First Horizon (FHN) 10-Q 7 Nov 17 2017 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information	9 Months Ended
	Sep. 30, 2017shares
Document And Entity Information [Abstract]
Entity Registrant Name	FIRST HORIZON NATIONAL CORP
Entity Central Index Key	36,966
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding	234,230,515
Trading Symbol	FHN

Consolidated Condensed Statemen

Consolidated Condensed Statements Of Condition - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Assets:
Cash and due from banks		$ 347,802	$ 373,274
Federal funds sold		76,316	50,838
Securities purchased under agreements to resell		663,637	613,682
Total cash and cash equivalents		1,087,755	1,037,794
Interest-bearing cash		604,326	1,060,034
Trading securities		1,469,402	897,071
Loans held-for-sale	[1]	339,780	111,248
Securities available-for-sale		3,963,138	3,943,499
Securities held-to-maturity		10,000	14,347
Loans, net of unearned income	[2]	20,166,091	19,589,520
Less: Allowance for loan losses		194,867	202,068
Total net loans		19,971,224	19,387,452
Goodwill		236,335	191,371
Other intangible assets, net		43,157	21,017
Fixed income receivables		68,750	57,411
Premises and equipment, net (September 30, 2017 and December 31, 2016 include $4.3 million and $5.8 million, respectively, classified as held-for-sale)		293,393	289,385
Other real estate owned (“OREO”)	[3]	12,522	16,237
Derivative assets		80,976	121,654
Other assets		1,441,878	1,406,711
Total assets		29,622,636	28,555,231
Deposits:
Savings		8,592,315	9,428,197
Time deposits		1,112,098	1,355,133
Other interest-bearing deposits		5,909,596	5,948,439
Interest-bearing		15,614,009	16,731,769
Noninterest-bearing		6,485,245	5,940,594
Total deposits		22,099,254	22,672,363
Federal funds purchased		292,650	414,207
Securities sold under agreements to repurchase		516,867	453,053
Trading liabilities		579,028	561,848
Other short-term borrowings		1,637,419	83,177
Term borrowings		1,059,507	1,040,656
Fixed income payables		44,304	21,002
Derivative liabilities		83,146	135,897
Other liabilities		426,910	467,944
Total liabilities		26,739,085	25,850,147
First Horizon National Corporation Shareholders’ Equity:
Preferred stock - Series A, non-cumulative perpetual, no par value, liquidation preference of $100,000 per share - (shares authorized - 1,000; shares issued - 1,000 on September 30, 2017 and December 31, 2016)		95,624	95,624
Common stock - $.625 par value (shares authorized - 400,000,000; shares issued - 234,230,515 on September 30, 2017 and 233,623,686 on December 31, 2016)		146,395	146,015
Capital surplus		1,401,359	1,386,636
Undivided profits		1,177,126	1,029,032
Accumulated other comprehensive loss, net		(232,384)	(247,654)
Total First Horizon National Corporation Shareholders’ Equity		2,588,120	2,409,653
Noncontrolling interest		295,431	295,431
Total equity		2,883,551	2,705,084
Total liabilities and equity		$ 29,622,636	$ 28,555,231
[1]	September 30, 2017 and December 31, 2016 include $12.8 million and $19.3 million, respectively, of held-for-sale consumer mortgage loans secured by residential real estate in process of foreclosure.
[2]	September 30, 2017 and December 31, 2016 include $24.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.
[3]	September 30, 2017 and December 31, 2016 include $7.1 million and $8.1 million, respectively, of foreclosed residential real estate.

Consolidated Condensed Stateme3

Consolidated Condensed Statements Of Condition (Parenthetical) - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Other real estate owned (“OREO”)	[1]	$ 12,522	$ 16,237
Premises and Equipment classified as held-for-sale		$ 4,300	$ 5,800
Preferred stock, no par value		$ 0	$ 0
Preferred Stock Liquidation Preference Value		$ 100,000	$ 100,000
Preferred stock, shares authorized		1,000	1,000
Preferred stock, shares issued		1,000	1,000
Common stock, par value		$ 0.625	$ 0.625
Common stock, shares authorized		400,000,000	400,000,000
Common stock, shares issued		234,230,515	233,623,686
Residential Real Estate [Member]
Mortgage Loans in Process of Foreclosure, Amount		$ 24,800	$ 28,500
Other real estate owned (“OREO”)		7,100	8,100
Residential Real Estate [Member] | Loans Held For Sale
Mortgage Loans in Process of Foreclosure, Amount		$ 12,800	$ 19,300
[1]	September 30, 2017 and December 31, 2016 include $7.1 million and $8.1 million, respectively, of foreclosed residential real estate.

Consolidated Condensed Stateme4

Consolidated Condensed Statements Of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Interest income:
Interest and fees on loans	$ 205,220	$ 174,039	$ 578,264	$ 495,516
Interest on investment securities available-for-sale	25,575	23,655	76,867	72,082
Interest on investment securities held-to-maturity	131	197	460	592
Interest on loans held-for-sale	6,123	1,445	10,916	3,904
Interest on trading securities	8,262	6,793	24,033	22,564
Interest on other earning assets	2,834	843	11,757	3,354
Total interest income	248,145	206,972	702,297	598,012
Interest on deposits:
Savings	10,920	4,939	31,324	13,275
Time deposits	2,591	2,496	8,342	7,293
Other interest-bearing deposits	6,759	2,592	15,976	7,422
Interest on trading liabilities	3,298	3,331	11,282	11,152
Interest on short-term borrowings	4,998	1,254	9,293	3,585
Interest on term borrowings	9,762	7,165	25,854	21,752
Total interest expense	38,328	21,777	102,071	64,479
Net interest income	209,817	185,195	600,226	533,533
Provision/(provision credit) for loan losses	0	4,000	(3,000)	11,000
Net interest income after provision/(provision credit) for loan losses	209,817	181,195	603,226	522,533
Noninterest income:
Fixed income	55,758	71,748	161,546	216,638
Deposit transactions and cash management	28,011	27,221	80,434	81,049
Brokerage, management fees and commissions	11,937	10,828	35,872	31,908
Trust services and investment management	6,953	6,885	21,304	20,674
Bankcard income	6,170	6,260	17,230	18,077
Bank-owned life insurance	3,539	3,997	11,137	11,129
Debt securities gains/(losses), net	1	0	450	1,654
Equity securities gains/(losses), net	5	(200)	5	(181)
All other income and commissions	43	21,806	29,051	47,416
Total noninterest income	112,417	148,545	357,029	428,364
Adjusted gross income after provision/(provision credit) for loan losses	322,234	329,740	960,255	950,897
Noninterest expense:
Employee compensation, incentives, and benefits	137,798	145,103	411,818	425,624
Occupancy	13,619	12,722	38,759	38,062
Computer software	11,993	10,400	35,077	33,213
Operations services	10,805	10,518	33,204	30,939
Equipment rentals, depreciation, and maintenance	6,626	6,085	20,013	19,426
Professional fees	6,566	4,859	20,971	14,342
FDIC premium expense	6,062	5,721	17,728	15,490
Advertising and public relations	5,205	6,065	13,901	15,519
Communications and courier	4,328	3,883	12,245	10,672
Contract employment and outsourcing	2,762	2,443	8,975	7,365
Legal fees	2,052	4,750	10,831	15,520
Amortization of intangible assets	1,964	1,299	5,160	3,898
Repurchase and foreclosure provision/(provision credit)	(609)	(218)	(22,580)	(31,618)
All other expense	27,698	19,928	70,889	88,855
Total noninterest expense	236,869	233,558	676,991	687,307
Income/(loss) before income taxes	85,365	96,182	283,264	263,590
Provision/(benefit) for income taxes	13,596	28,547	57,903	82,802
Net income/(loss)	71,769	67,635	225,361	180,788
Net income attributable to noncontrolling interest	2,883	2,883	8,555	8,586
Net income/(loss) attributable to controlling interest	68,886	64,752	216,806	172,202
Preferred stock dividends	1,550	1,550	4,650	4,650
Net income/(loss) available to common shareholders	$ 67,336	$ 63,202	$ 212,156	$ 167,552
Basic earnings/(loss) per share (in dollars per share)	$ 0.29	$ 0.27	$ 0.91	$ 0.72
Diluted earnings/(loss) per share (in dollars per share)	$ 0.28	$ 0.27	$ 0.90	$ 0.71
Weighted average common shares (shares)	233,749	231,856	233,438	232,690
Diluted average common shares (shares)	236,340	234,092	236,372	234,775
Cash dividends declared per common share (in dollars per share)	$ 0.09	$ 0.07	$ 0.27	$ 0.21

Consolidated Condensed Stateme5

Consolidated Condensed Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017		Sep. 30, 2016
Statements of Comprehensive Income/(loss)
Net income/(loss)	$ 71,769	$ 67,635	$ 225,361		$ 180,788
Other comprehensive income/(loss), net of tax:
Net unrealized gains/(losses) on securities available-for-sale	3,917	(7,887)	11,292		47,310
Net unrealized gains/(losses) on cash flow hedges	(734)	(1,570)	(493)		3,121
Net unrealized gains/(losses) on pension and other postretirement plans	1,895	963	4,471		2,933
Other comprehensive income/(loss)	5,078	(8,494)	15,270	[1]	53,364	[1]
Comprehensive income/(loss)	76,847	59,141	240,631		234,152
Comprehensive income attributable to noncontrolling interest	2,883	2,883	8,555		8,586
Comprehensive income attributable to controlling interest	73,964	56,258	232,076		225,566
Income tax expense/(benefit) of items included in Other comprehensive income:
Net unrealized gains/(losses) on securities available-for-sale	2,430	(4,902)	7,002		29,402
Net unrealized gains/(losses) on cash flow hedges	(455)	(975)	(306)		1,940
Net unrealized gains/(losses) on pension and other postretirement plans	$ 1,175	$ 598	$ 2,772		$ 1,823
[1]	Due to the nature of the preferred stock issued by FHN and its subsidiaries, all components of Other comprehensive income/(loss) have been attributed solely to FHN as the controlling interest holder.

Consolidated Condensed Stateme6

Consolidated Condensed Statements of Equity - USD ($) $ in Thousands		Total	Controlling Member	Noncontrolling Interest
Balance, January 1 at Dec. 31, 2015		$ 2,639,586	$ 2,344,155	$ 295,431
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income/(loss)		180,788	172,202	8,586
Other comprehensive income/(loss)	[1]	53,364	53,364	0
Comprehensive income/(loss)		234,152	225,566	8,586
Cash dividends declared:
Preferred stock ($4,650 per share for the nine months ended September 30, 2017 and 2016)		(4,650)	(4,650)	0
Common stock ($.27 and $.21 per share for the nine months ended September 30, 2017 and 2016, respectively)		(49,578)	(49,578)	0
Common stock repurchased	[2]	(96,801)	(96,801)	0
Common stock issued for:
Stock options and restricted stock - equity awards		18,710	18,710	0
Stock-based compensation expense		12,378	12,378	0
Dividends declared - noncontrolling interest of subsidiary preferred stock		(8,586)	0	(8,586)
Tax benefit/(benefit reversal) - stock based compensation expense		(629)	(629)	0
Balance, September 30 at Sep. 30, 2016		2,744,582	2,449,151	295,431
Balance, January 1 at Dec. 31, 2016		2,705,084	2,409,653	295,431
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income/(loss)		225,361	216,806	8,555
Other comprehensive income/(loss)	[1]	15,270	15,270	0
Comprehensive income/(loss)		240,631	232,076	8,555
Cash dividends declared:
Preferred stock ($4,650 per share for the nine months ended September 30, 2017 and 2016)		(4,650)	(4,650)	0
Common stock ($.27 and $.21 per share for the nine months ended September 30, 2017 and 2016, respectively)		(63,777)	(63,777)	0
Common stock repurchased	[2]	(5,285)	(5,285)	0
Common stock issued for:
Stock options and restricted stock - equity awards		5,132	5,132	0
Stock-based compensation expense		14,971	14,971	0
Dividends declared - noncontrolling interest of subsidiary preferred stock		(8,555)	0	(8,555)
Tax benefit/(benefit reversal) - stock based compensation expense		0	0	0
Balance, September 30 at Sep. 30, 2017		$ 2,883,551	$ 2,588,120	$ 295,431
[1]	Due to the nature of the preferred stock issued by FHN and its subsidiaries, all components of Other comprehensive income/(loss) have been attributed solely to FHN as the controlling interest holder.
[2]	2016 includes $93.5 million repurchased under share repurchase programs.

Consolidated Condensed Stateme7

Consolidated Condensed Statements of Equity (Parenthetical) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2017	Sep. 30, 2016
Equity, Class of Treasury Stock [Line Items]
Preferred stock - cash dividends declared per share (in dollars per share)		$ 4,650	$ 4,650
Common stock - cash dividends declared per share (in dollars per share)		$ 0.27	$ 0.21
Common stock repurchased under share repurchase program	[1]	$ 5,285	$ 96,801
Stock Repurchase Authorization
Equity, Class of Treasury Stock [Line Items]
Common stock repurchased under share repurchase program			$ 93,500
[1]	2016 includes $93.5 million repurchased under share repurchase programs.

Consolidated Condensed Stateme8

Consolidated Condensed Statements Of Cash Flow - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating Activities
Net income/(loss)	$ 225,361,000	$ 180,788,000
Adjustments to reconcile net income/(loss) to net cash provided/(used) by operating activities:
Provision/(provision credit) for loan losses	(3,000,000)	11,000,000
Provision/(benefit) for deferred income taxes	(547,000)	68,100,000
Depreciation and amortization of premises and equipment	25,052,000	24,032,000
Amortization of intangible assets	5,160,000	3,898,000
Net other amortization and accretion	22,921,000	19,536,000
Net (increase)/decrease in derivatives	(14,670,000)	1,330,000
Fair value adjustment on interest-only strips	(107,000)	0
Repurchase and foreclosure provision/(provision credit)	(20,000,000)	(31,618,000)
(Gains)/losses and write-downs on OREO, net	44,000	(543,000)
Litigation and regulatory matters	7,409,000	25,285,000
Stock-based compensation expense	14,971,000	12,378,000
Equity securities (gains)/losses, net	(5,000)	181,000
Debt securities (gains)/losses, net	(450,000)	(1,654,000)
(Gain)/loss on extinguishment of debt	14,329,000	0
Net (gains)/losses on sale/disposal of fixed assets	(13,000)	2,519,000
Loans held-for-sale:
Purchases and originations	(1,252,300,000)	(73,404,000)
Gross proceeds from settlements and sales	1,252,477,000	43,653,000
(Gain)/loss due to fair value adjustments and other	2,485,000	878,000
Qualified pension plan contribution	0	(165,000,000)
Net (increase)/decrease in:
Trading securities	(433,897,000)	(441,205,000)
Fixed income receivables	(11,339,000)	(28,337,000)
Interest receivable	(7,171,000)	(2,014,000)
Other assets	(49,225,000)	(69,855,000)
Net increase/(decrease) in:
Trading liabilities	17,180,000	136,207,000
Fixed income payables	(73,187,000)	45,825,000
Interest payable	8,869,000	505,000
Other liabilities	(35,770,000)	(24,795,000)
Total adjustments	(530,784,000)	(443,098,000)
Net cash provided/(used) by operating activities	(305,423,000)	(262,310,000)
Available-for-sale securities:
Sales	3,360,000	1,543,000
Maturities	420,136,000	526,112,000
Purchases	(426,129,000)	(557,216,000)
Held-to-maturity securities:
Prepayments and maturities	4,740,000	0
Premises and equipment:
Sales	2,577,000	9,636,000
Purchases	(30,395,000)	(41,304,000)
Proceeds from sales of OREO	9,235,000	22,887,000
Net (increase)/decrease in:
Loans	(586,426,000)	(1,895,345,000)	[1]
Interests retained from securitizations classified as trading securities	648,000	2,120,000
Interest-bearing cash	459,840,000	383,002,000
Cash (paid)/received for acquisition, net	(123,971,000)	0
Net cash provided/(used) by investing activities	(266,385,000)	(1,548,565,000)
Common stock:
Stock options exercised	5,173,000	18,710,000
Cash dividends paid	(58,850,000)	(47,144,000)
Repurchase of shares	(5,285,000)	(96,801,000)	[2]
Cash dividends paid - preferred stock - noncontrolling interest	(8,523,000)	(8,523,000)
Cash dividends paid - Series A preferred stock	(4,650,000)	(4,650,000)
Term borrowings:
Issuance	121,184,000	100,000
Payments/maturities	(145,285,000)	(264,599,000)
Increases In Restricted Term Borrowings	29,231,000	0
Net increase/(decrease) in:
Deposits	(572,621,000)	1,607,412,000
Short-term borrowings	1,261,395,000	732,858,000
Net cash provided/(used) by financing activities	621,769,000	1,937,363,000
Net increase/(decrease) in cash and cash equivalents	49,961,000	126,488,000
Cash and cash equivalents at beginning of period	1,037,794,000	1,031,063,000
Cash and cash equivalents at end of period	1,087,755,000	1,157,551,000
Supplemental Disclosures
Total interest paid	92,405,000	63,337,000
Total taxes paid	38,151,000	11,580,000
Total taxes refunded	8,201,000	3,854,000
Transfer from loans to OREO	$ 5,564,000	$ 8,226,000
[1]	2016 includes $537.4 million UPB of loans acquired from GE Capital.
[2]	2016 includes $93.5 million repurchased under share repurchase programs.

Consolidated Statements Of Cash

Consolidated Statements Of Cash Flow (Parenthetical) $ in Thousands	9 Months Ended
	Sep. 30, 2016USD ($)
Loans acquired	$ 1,895,345	[1]
Shares repurchased under the share repurchase program, value	96,801	[2]
Stock Repurchase Authorization
Shares repurchased under the share repurchase program, value	93,500
GE Capital
Loans acquired	$ 537,400
[1]	2016 includes $537.4 million UPB of loans acquired from GE Capital.
[2]	2016 includes $93.5 million repurchased under share repurchase programs.

Financial Information

Financial Information	9 Months Ended
	Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Financial Information	Financial Information Basis of Accounting. The unaudited interim consolidated condensed financial statements of First Horizon National Corporation (“FHN”), including its subsidiaries, have been prepared in conformity with accounting principles generally accepted in the United States of America and follow general practices within the industries in which it operates. This preparation requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. These estimates and assumptions are based on information available as of the date of the financial statements and could differ from actual results. In the opinion of management, all necessary adjustments have been made for a fair presentation of financial position and results of operations for the periods presented. These adjustments are of a normal recurring nature unless otherwise disclosed in this Quarterly Report on Form 10-Q. The operating results for the interim 2017 period are not necessarily indicative of the results that may be expected going forward. For further information, refer to the audited consolidated financial statements in Exhibit 13 to FHN’s Annual Report on Form 10-K for the year ended December 31, 2016. Summary of Accounting Changes. Effective January 1, 2017, FHN adopted the provisions of Accounting Standards Update (“ASU”) 2016-09, “Improvements to Employee Share-Based Payment Accounting,” which makes several revisions to equity compensation accounting. Under the new guidance all excess tax benefits and deficiencies that occur when an award vests, is exercised, or expires are recognized in income tax expense as discrete period items. Previously, these transactions were typically recorded directly within equity. Consistent with this change, excess tax benefits and deficiencies are no longer included within estimated proceeds when performing the treasury stock method for calculation of diluted earnings per share. Excess tax benefits are also recognized at the time an award is exercised or vests compared to the previous requirement to delay recognition until the deduction reduces taxes payable. The presentation of excess tax benefits in the statement of cash flows shifted to an operating activity from the prior classification as a financing activity. ASU 2016-09 also provides an accounting policy election to recognize forfeitures of awards as they occur when estimating stock-based compensation expense rather than the previous requirement to estimate forfeitures from inception. Further, ASU 2016-09 permits employers to use a net-settlement feature to withhold taxes on equity compensation awards up to the maximum statutory tax rate without affecting the equity classification of the award. Under previous guidance, withholding of equity awards in excess of the minimum statutory requirement resulted in liability classification for the entire award. The related cash remittance by the employer for employee taxes is treated as a financing activity in the statement of cash flows. Transition to the new guidance was accomplished through a combination of retrospective (cash flows), cumulative-effect adjustment to equity (forfeitures) and prospective methodologies (tax windfalls and shortfalls). The effects of adopting ASU 2016-09 have not been significant. Effective January 1, 2017, FHN early adopted the provisions of ASU 2016-16, “Intra-Entity Transfers of Assets Other Than Inventory” which requires recognition of the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. Therefore, ASU 2016-16 reverses the previous requirement to delay recognition of the tax consequences of these transactions until the associated assets are sold to an outside party. Adoption of ASU 2016-16 did not have a significant effect on FHN. Accounting Changes Issued but Not Currently Effective In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers.” ASU 2014-09 does not change revenue recognition for financial assets. The core principle of ASU 2014-09 is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This is accomplished through a five-step recognition framework involving 1) the identification of contracts with customers, 2) identification of performance obligations, 3) determination of the transaction price, 4) allocation of the transaction price to the performance obligations and 5) recognition of revenue as performance obligations are satisfied. Additionally, qualitative and quantitative information is required for disclosure regarding the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers. In February 2016, the FASB issued ASU 2016-08, “Principal versus Agent Considerations,” which provides additional guidance on whether an entity should recognize revenue on a gross or net basis, based on which party controls the specified good or service before that good or service is transferred to a customer. In April 2016, the FASB issued ASU 2016-10, “Identifying Performance Obligations and Licensing,” which clarifies the original guidance included in ASU 2014-09 for identification of the goods or services provided to customers and enhances the implementation guidance for licensing arrangements. ASU 2016-12, “Narrow-Scope Improvements and Practical Expedients,” was issued in May 2016 to provide additional guidance for the implementation and application of ASU 2014-09. “Technical Corrections and Improvements” ASU 2016-20 was issued in December 2016 and provides further guidance on certain issues. These ASUs are effective in annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period. Transition to the new requirements may be made by retroactively revising prior financial statements (with certain practical expedients permitted) or by a cumulative effect through retained earnings. If the latter option is selected, additional disclosures are required for comparability. FHN is evaluating their effects on its revenue recognition practices. Currently, FHN anticipates that it will elect to adopt the provisions of the revenue recognition standards through a cumulative effect to retained earnings with comparability disclosures provided throughout 2018. Based on reviews of its various revenues that are within the scope of ASU 2014-09, FHN has not identified a significant change in it's revenue recognition practices. However, FHN's implementation efforts are ongoing and additional information may change this assessment. In February 2017, the FASB issued ASU 2017-05, “Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets” which clarifies the meaning and application of the term in substance nonfinancial asset in transactions involving both financial and nonfinancial assets. If substantially all of the fair value of the assets that are promised to the counterparty in a contract are concentrated in nonfinancial assets, then all of the financial assets promised to the counterparty are in substance nonfinancial assets within the scope of revenue recognition guidance for nonfinancial assets. ASU 2017-05 also clarifies that an entity should identify each distinct nonfinancial asset or in substance nonfinancial asset promised to a counterparty and derecognize each asset when a counterparty obtains control of it with the amount of revenue recognized based on the allocation guidance provided in ASU 2014-09. ASU 2017-05 also requires an entity to derecognize a distinct nonfinancial asset or distinct in substance nonfinancial asset in a partial sale transaction when it 1) does not have (or ceases to have) a controlling financial interest in the legal entity that holds the asset in accordance with Topic 810 and 2) transfers control of the asset in accordance with the provisions of ASU 2014-09. Once an entity transfers control of a distinct nonfinancial asset or distinct in substance nonfinancial asset, it is required to measure any noncontrolling interest it receives (or retains) at fair value. ASU 2017-05 has the same effective date and transition provisions as ASU 2014-09 and the two standards must be adopted simultaneously although the transition methods may be different. FHN is evaluating the effects of ASU 2017-05 on its revenue recognition practices. Currently, FHN anticipates that it will elect to adopt the provisions of ASU 2017-05 through a cumulative effect to retained earnings with comparability disclosures provided throughout 2018. In January 2016, the FASB issued ASU 2016-01, “Recognition and Measurement of Financial Assets and Financial Liabilities.” ASU 2016-01 makes several revisions to the accounting, presentation and disclosure for financial instruments. Equity investments (except those accounted for under the equity method, those that result in consolidation of the investee, and those held by entities subject to specialized industry accounting which already apply fair value through earnings) are required to be measured at fair value with changes in fair value recognized in net income. This excludes FRB and FHLB stock holdings which are specifically exempted from the provisions of ASU 2016-01. An entity may elect to measure equity investments that do not have readily determinable market values at cost minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or similar instruments from the same issuer. ASU 2016-01 also requires a qualitative impairment review for equity investments without readily determinable fair values, with measurement at fair value required if impairment is determined to exist. For liabilities for which fair value has been elected, ASU 2016-01 revises current accounting to record the portion of fair value changes resulting from instrument-specific credit risk within other comprehensive income rather than earnings. FHN has not elected fair value accounting for any existing financial liabilities. Additionally, ASU 2016-01 clarifies that the need for a valuation allowance on a deferred tax asset related to available-for-sale securities should be assessed in combination with all other deferred tax assets rather than being assessed in isolation. ASU 2016-01 also makes several changes to existing fair value presentation and disclosure requirements, including a provision that all disclosures must use an exit price concept in the determination of fair value. ASU 2016-01 is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Transition will be through a cumulative effect adjustment to retained earnings for equity investments with readily determinable fair values. Equity investments without readily determinable fair values, for which the accounting election is made, will have any initial fair value marks recorded through earnings prospectively after adoption. Upon adoption, FHN will reclassify all equity investments out of available-for-sale securities, leaving only debt securities within this classification. FHN has evaluated the nature of its current equity investments and determined that substantially all qualify for the election available to assets without readily determinable fair values, including its holdings of Visa Class B shares. Accordingly, FHN intends to apply this election and any fair value marks for these investments will be recognized through earnings on a prospective basis subsequent to adoption. FHN continues to evaluate the appropriate characteristics of “similar” instruments as well as related valuation inputs and methodologies for its equity investments without readily determinable fair values. The requirements of ASU 2016-01 related to assessment of deferred tax assets and disclosure of the fair value of financial instruments will not have a significant effect on FHN because its current accounting and disclosure practices conform to the requirements of ASU 2016-01. FHN also continues to evaluate the impact of ASU 2016-01 on other aspects of its current accounting and disclosure practices. In February 2016, the FASB issued ASU 2016-02, “Leases,” which requires a lessee to recognize in its statement of condition a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term. ASU 2016-02 leaves lessor accounting largely unchanged from prior standards. For leases with a term of 12 months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize lease assets and lease liabilities. If a lessee makes this election, it should recognize lease expense for such leases generally on a straight-line basis over the lease term. All other leases must be classified as financing or operating leases which depends on the relationship of the lessee’s rights to the economic value of the leased asset. For finance leases, interest on the lease liability is recognized separately from amortization of the right-of-use asset in earnings, resulting in higher expense in the earlier portion of the lease term. For operating leases, a single lease cost is calculated so that the cost of the lease is allocated over the lease term on a generally straight-line basis. In transition to ASU 2016-02, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. The modified retrospective approach includes a number of optional practical expedients that entities may elect to apply, which would result in continuing to account for leases that commence before the effective date in accordance with previous requirements (unless the lease is modified) except that lessees are required to recognize a right-of-use asset and a lease liability for all operating leases at each reporting date based on the present value of the remaining minimum rental payments that were tracked and disclosed under previous requirements. ASU 2016-02 also requires expanded qualitative and quantitative disclosures to assess the amount, timing, and uncertainty of cash flows arising from lease arrangements. ASU 2016-02 is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. FHN is evaluating the impact of ASU 2016-02 on its current accounting and disclosure practices. In March 2016, the FASB issued ASU 2016-04, “Recognition of Breakage of Certain Prepaid Stored-Value Products,” which indicates that liabilities related to the sale of prepaid stored-value products are considered financial liabilities and should have a breakage estimate applied for estimated unused funds. ASU 2016-04 does not apply to stored-value products that can only be redeemed for cash, are subject to escheatment or are linked to a segregated bank account. ASU 2016-04 is effective for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. FHN is evaluating the impact of ASU 2016-04 on its current accounting and disclosure practices. In June 2016, the FASB issued ASU 2016-13, “Measurement of Credit Losses on Financial Instruments,” which revises the measurement and recognition of credit losses for assets measured at amortized cost (e.g., held-to-maturity (“HTM”) loans and debt securities) and available-for-sale (“AFS”) debt securities. Under ASU 2016-13, for assets measured at amortized cost, the current expected credit loss (“CECL”) is measured as the difference between amortized cost and the net amount expected to be collected. This represents a departure from existing GAAP as the “incurred loss” methodology for recognizing credit losses delays recognition until it is probable a loss has been incurred. The measurement of current expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. Additionally, current disclosures of credit quality indicators in relation to the amortized cost of financing receivables will be further disaggregated by year of origination. ASU 2016-13 leaves the methodology for measuring credit losses on AFS debt securities largely unchanged, with the maximum credit loss representing the difference between amortized cost and fair value. However, such credit losses will be recognized through an allowance for credit losses, which permits recovery of previously recognized credit losses if circumstances change. ASU 2016-13 also revises the recognition of credit losses for purchased financial assets with a more-than insignificant amount of credit deterioration since origination (“PCD assets”). For PCD assets, the initial allowance for credit losses is added to the purchase price. Only subsequent changes in the allowance for credit losses are recorded as a credit loss expense for PCD assets. Interest income for PCD assets will be recognized based on the effective interest rate, excluding the discount embedded in the purchase price that is attributable to the acquirer’s assessment of credit losses at acquisition. Currently, credit losses for purchased credit-impaired assets are included in the initial basis of the assets with subsequent declines in credit resulting in expense while subsequent improvements in credit are reflected as an increase in the future yield from the assets. The provisions of ASU 2016-13 will be generally adopted through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in the year of adoption. Prospective implementation is required for debt securities for which an other-than-temporary-impairment (“OTTI”) had been previously recognized. Amounts previously recognized in accumulated other comprehensive income (“AOCI”) as of the date of adoption that relate to improvements in cash flows expected to be collected will continue to be accreted into income over the remaining life of the asset. Recoveries of amounts previously written off relating to improvements in cash flows after the date of adoption will be recorded in earnings when received. A prospective transition approach will be used for existing PCD assets where, upon adoption, the amortized cost basis will be adjusted to reflect the addition of the allowance for credit losses. Thus, an entity will not be required to reassess its purchased financial assets that exist as of the date of adoption to determine whether they would have met at acquisition the new criteria of more-than-insignificant credit deterioration since origination. An entity will accrete the remaining noncredit discount (based on the revised amortized cost basis) into interest income at the effective interest rate at the adoption date. ASU 2016-13 is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted in fiscal years beginning after December 15, 2018. FHN continues to evaluate the impact of ASU 2016-13. FHN has met with industry experts, initiated training for key employees associated with the new standard, and defined an initial approach that it is currently testing. Once testing is completed, FHN will then begin to develop the formal models and processes that will be required in the implementation of the new standard. In August 2016, the FASB issued ASU 2016-15, “Classification of Certain Cash Receipts and Cash Payments,” which clarifies multiple cash flow presentation issues including providing guidance as to classification on the cash flow statement for certain cash receipts and cash payments where diversity in practice exists. ASU 2016-15 is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The provisions of ASU 2016-15 will be applied retroactively and will result in proceeds from bank-owned life insurance (“BOLI”) being classified as an investing activity rather than their prior classification as an operating activity. In March 2017, the FASB issued ASU 2017-07, “Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost” which requires the disaggregation of the service cost component from the other components of net benefit cost for pension and postretirement plans. Service cost must be included in the same income statement line item as other compensation-related expenses. All other components of net benefit cost are required to be presented in the income statement separately from the service cost component, with disclosure of the line items where these amounts are recorded. The presentation requirements of ASU 2017-07 must be applied retrospectively and adoption is required for annual periods beginning after December 15, 2017, including interim periods within those annual periods. FHN’s disclosures for pension and postretirement costs provide details of the service cost and all other components for expenses recognized for its applicable benefit plans. These amounts are currently included in Employee compensation, incentives, and benefits expense in the Consolidated Condensed Statements of Income. Upon adoption of ASU 2017-07 FHN will reclassify the expense components other than service cost into All other expense and revise its disclosures accordingly. The amounts to be reclassified are presented in Note 11—Pension, Savings, and Other Employee Benefits in this Quarterly Report on Form 10-Q for the quarter ended September 30, 2017 and in Note 18—Pension, Savings, and Other Employee Benefits in Exhibit 13 to FHN’s Annual Report on Form 10-K for the year ended December 31, 2016. In March 2017, the FASB issued ASU 2017-08, “Premium Amortization on Purchased Callable Debt Securities” which shortens the amortization period for securities that have explicit, noncontingent call features that are callable at fixed prices and on preset dates. In contrast to the current requirement for premium amortization to extend to the contractual maturity date, ASU 2017-08 requires the premium to be amortized to the earliest call date. ASU 2017-08 does not change the amortization of discounts, which will continue to be amortized to maturity. The new guidance does not apply to debt securities where the prepayment date is not preset or the price is not known in advance, which includes debt securities that qualify for amortization based on estimated prepayment rates. ASU 2017-08 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018 with early adoption permitted. Transition is accomplished through a cumulative-effect adjustment directly to retained earnings as of the beginning of the year of adoption. Based upon the current composition of its debt securities portfolios, FHN does not anticipate a significant effect upon adoption. In August 2017, the FASB issued ASU 2017-12, “Targeted Improvements to Accounting for Hedging Activities” which revises the financial reporting for hedging relationships through changes to both the designation and measurement requirements for qualifying hedge relationships and the presentation of hedge results. ASU 2017-12 expands permissible risk component hedging strategies, including the designation of a contractually specified interest rate (e.g., a bank’s prime rate) in hedges of cash flows from variable rate financial instruments. Additionally, ASU 2017-12 makes significant revisions to fair value hedging activities, including the ability to measure the fair value changes for a hedged item solely for changes in the benchmark interest rate, permitting partial-term hedges, limiting consideration of prepayment risk for hedged debt instruments solely to the effects of changes in the benchmark interest rate and allowing for certain hedging strategies to be applied to closed portfolios of prepayable debt instruments. ASU 2017-12 also provides elections for the exclusion of certain portions of a hedging instrument’s change in fair value from the assessment of hedge effectiveness. If elected, the fair value changes of these excluded components may be recognized immediately or recorded into other comprehensive income with recycling into earnings using a rational and systematic methodology over the life of the hedging instrument. Under ASU 2017-12 some of the documentation requirements for hedge accounting relationships are relaxed, but the highly effective threshold has been retained. Hedge designation documentation and a prospective qualitative assessment are still required at hedge inception, but the initial quantitative analysis may be delayed until the end of the quarter the hedge is commenced. If certain criteria are met, an election can be made to perform future effectiveness assessments using a purely qualitative methodology. ASU 2017-12 also revises the income statement presentation requirements for hedging activities. For fair value hedges, the entire change in the fair value of the hedging instrument included in the assessment of effectiveness is recorded to the same income statement line item used to present the earnings effect of the hedged item. For cash flow hedges, the entire fair value change of the hedging instrument that is included in the assessment of hedge effectiveness is initially recorded in other comprehensive income and later recycled into earnings as the hedged transaction(s) affect net income with the income statement effects recorded in the same financial statement line item used to present the earnings effect of the hedged item. ASU 2017-12 also makes revisions to the current disclosure requirements for hedging activities to reflect the presentation of hedging results consistent with the changes to income statement classification and to improve the disclosure of the hedging results on the balance sheet. ASU 2017-12 is effective for fiscal years beginning after December 15, 2018 with early adoption permitted in any period after issuance. Adoption for all existing hedging relationships is performed through a cumulative effect adjustment to the applicable balance sheet accounts with an offset to retained earnings as of the beginning of the fiscal year. FHN is evaluating the effects of adopting ASU 2017-12 on its current and potential future hedging relationships. Currently, FHN anticipates early adoption in the first quarter of 2018. Upon adoption of ASU 2017-12, FHN will prospectively record components of hedging results for its fair value and cash flow hedges previously recognized in other expense within either interest income or interest expense. Additionally, FHN will make cumulative effect adjustments to the hedged items, accumulated other comprehensive income and retained earnings as of the beginning of 2018. The magnitude of the cumulative effect adjustments and prospective effects are expected to be insignificant for FHN’s existing hedge relationships.

Acquisitions and Divestitures

Acquisitions and Divestitures	9 Months Ended
	Sep. 30, 2017
Business Combinations [Abstract]
Acquisitions and Divestitures	Acquisitions and Divestitures On May 4, 2017, FHN and Capital Bank Financial Corp. (“Capital Bank” or "CBF") announced that they had entered into an agreement and plan of merger. Under the agreement FHN will acquire Capital Bank, which is headquartered in Charlotte, North Carolina, and reported approximately $10 billion of assets at June 30, 2017. At the time of announcement Capital Bank operated 193 branches in North and South Carolina, Tennessee, Florida and Virginia. Collectively, Capital Bank shareholders will receive approximately $411 million in cash plus FHN common shares which are expected to represent approximately 29 percent of FHN’s outstanding common shares immediately after consummation of the merger. The total transaction value, measured at the time of announcement, was approximately $2.2 billion . The agreement calls for two members of Capital Bank’s board of directors to join FHN’s board after closing. The transaction is expected to close in fourth quarter 2017, subject to regulatory approval of the sale of two branches and customary conditions. On April 3, 2017, FTN Financial acquired substantially all of the assets and assumed substantially all of the liabilities of Coastal Securities, Inc. (“Coastal”), a national leader in the trading, securiti zation, and analysis of Small Business Administration (“SBA”) loans, for appro ximately $131 million in cash. Coastal, which was based in Houston, TX, also traded United States Department of Agriculture (“USDA”) loans and fixed income products and provided municipal underwriting and advisory services to its clients. Coastal’s government-guaranteed loan products, combined with FTN Financial’s existing SBA trading activities, have established an additional major product sector for FTN Financial. The following schedule details acquired assets and liabilities and consideration paid, as well as adjustments to record the assets and liabilities at their estimated fair values as of April 3, 2017: Coastal Securities, Inc. Purchase Accounting/ As Fair Value As recorded (Dollars in thousands) Acquired Adjustments by FHN Assets: Cash and due from banks $ 7,502 $ — $ 7,502 Interest-bearing cash 4,132 — 4,132 Trading securities 423,662 (284,580 ) 139,082 Loans held-for-sale — 236,088 236,088 Investment securities — 1,413 1,413 Other intangible assets, net — 27,300 27,300 Premises and equipment, net 1,229 — 1,229 Other assets 1,658 14 1,672 Total assets acquired $ 438,183 $ (19,765 ) $ 418,418 Liabilities: Securities sold under agreements to repurchase $ 201,595 $ — $ 201,595 Other short-term borrowings 33,509 — 33,509 Fixed income payables 143,647 (47,158 ) 96,489 Other liabilities 958 (642 ) 316 Total liabilities assumed 379,709 (47,800 ) 331,909 Net Assets Acquired $ 58,474 $ 28,035 86,509 Consideration paid: Cash (131,473 ) Goodwill $ 44,964 In relation to the acquisition, FHN has recorded $45.0 million in goodwill, representing the excess of acquisition consideration over the estimated fair value of net assets acquired (refer to Note 6 - Intangible Assets for additional information), and all of which is expected to be deductible for tax purposes. The goodwill is the result of adding an experienced workforce, establishing an additional major product sector for FTN Financial, expected synergies, and other factors. FHN's operating results for 2017 include the operating results of the acquired assets and assumed liabilities of Coastal subsequent to the acquisition on April 3, 2017. For the three and nine months ended September 30, 2017 , FHN recognized $8.2 million and $14.6 million , respectively, of acquisition and integration-related expenses primarily associated with the CBF and Coastal acquisitions. These expenses were primarily included in Professional fees, Legal fees, Employee compensation, incentives and benefits, and All other expense on the Consolidated Condensed Statements of Income. On September 16, 2016, FTBNA acquired $537.4 million in unpaid principal balance (“UPB”) of restaurant franchise loans from GE Capital’s Southeast and Southwest regional portfolios. Subsequent to the acquisition the acquired loans were combined with existing FTBNA relationships to establish a franchise finance specialty banking business. In addition to the transactions mentioned above, FHN acquires or divests assets from time to time in transactions that are considered business combinations or divestitures but are not material to FHN individually or in the aggregate. The most recent transaction of that type closed in October 2017, when FTBNA acquired the operations and certain assets of Professional Mortgage Company, Inc. ("PMC"). PMC is a provider of institutional debt capital and commercial mortgage loan servicing. Eleven professionals joined FTBNA's commercial real estate ("CRE") team as a result of the transaction, expanding the capabilities of its CRE platform.

Investment Securities

Investment Securities	9 Months Ended
	Sep. 30, 2017
Marketable Securities [Abstract]
Investment Securities	The following tables summarize FHN’s investment securities on September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value Securities available-for-sale: U.S. treasuries $ 100 $ — $ — $ 100 Government agency issued mortgage-backed securities (“MBS”) 2,081,677 15,993 (10,165 ) 2,087,505 Government agency issued collateralized mortgage obligations (“CMO”) 1,701,467 4,295 (19,767 ) 1,685,995 Equity and other (a) 186,413 2 — 186,415 $ 3,969,657 $ 20,290 $ (29,932 ) 3,960,015 AFS debt securities recorded at fair value through earnings: SBA-interest only strips (b) 3,123 Total securities available-for-sale (c) $ 3,963,138 Securities held-to-maturity: Corporate bonds $ 10,000 $ — $ (15 ) $ 9,985 Total securities held-to-maturity $ 10,000 $ — $ (15 ) $ 9,985 (a) Includes restricted investments in FHLB-Cincinnati stock of $87.9 million and FRB stock of $68.6 million . The remainder is money market, mutual funds, and cost method investments. (b) SBA-interest only strips are recorded at elected fair value. See Note 16 - Fair Value for additional information. (c) Includes $3.3 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes. December 31, 2016 (Dollars in thousands) Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value Securities available-for-sale: U.S. treasuries $ 100 $ — $ — $ 100 Government agency issued MBS 2,217,593 14,960 (23,866 ) 2,208,687 Government agency issued CMO 1,566,986 4,909 (23,937 ) 1,547,958 Equity and other (a) 186,756 — (2 ) 186,754 Total securities available-for-sale (b) $ 3,971,435 $ 19,869 $ (47,805 ) $ 3,943,499 Securities held-to-maturity: States and municipalities $ 4,347 $ 393 $ — $ 4,740 Corporate bonds 10,000 33 — 10,033 Total securities held-to-maturity $ 14,347 $ 426 $ — $ 14,773 (a) Includes restricted investments in FHLB-Cincinnati stock of $87.9 million and FRB stock of $68.6 million . The remainder is money market, mutual funds, and cost method investments. (b) Includes $3.3 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes. The amortized cost and fair value by contractual maturity for the available-for-sale and held-to-maturity securities portfolios on September 30, 2017 are provided below: Held-to-Maturity Available-for-Sale (Dollars in thousands) Amortized Cost Fair Value Amortized Cost Fair Value Within 1 year $ — $ — $ — $ — After 1 year; within 5 years — — 100 120 After 5 years; within 10 years 10,000 9,985 — 1,464 After 10 years — — — 1,639 Subtotal 10,000 9,985 100 3,223 Government agency issued MBS and CMO (a) — — 3,783,144 3,773,500 Equity and other — — 186,413 186,415 Total $ 10,000 $ 9,985 $ 3,969,657 $ 3,963,138 (a) Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. The table below provides information on gross gains and gross losses from investment securities for the three and nine months ended September 30 : Three Months Ended Nine Months Ended (Dollars in thousands) 2017 2016 2017 2016 Gross gains on sales of securities $ 6 $ — $ 455 $ 3,999 Gross (losses) on sales of securities — — — (2,326 ) Net gain/(loss) on sales of securities (a) (b) 6 — 455 1,673 Net OTTI recorded (c) — (200 ) — (200 ) Total securities gain/(loss) $ 6 $ (200 ) $ 455 $ 1,473 (a) Cash proceeds from the sale of available-for-sale securities for the three and nine months ended September 30, 2017 were not material. There were no cash proceeds from the sale of available-for-sale securities for the three months ended September 30, 2016 . Cash proceeds from the sale of available-for-sale securities for the nine months ended September 30, 2016 were $1.5 million and included a $1.7 million gain from an exchange of approximately $294 million of AFS debt securities. (b) Nine months ended September 30, 2017 includes a $.4 million gain associated with the call of a $4.4 million held-to-maturity municipal bond. (c) OTTI recorded is related to equity securities. The following tables provide information on investments within the available-for-sale portfolio that had unrealized losses as of September 30, 2017 and December 31, 2016 : As of September 30, 2017 Less than 12 months 12 months or longer Total (Dollars in thousands) Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Government agency issued CMO $ 885,926 $ (10,936 ) $ 311,471 $ (8,831 ) $ 1,197,397 $ (19,767 ) Government agency issued MBS 875,307 (8,770 ) 34,184 (1,395 ) 909,491 (10,165 ) Total temporarily impaired securities 1,761,233 (19,706 ) 345,655 (10,226 ) 2,106,888 (29,932 ) As of December 31, 2016 Less than 12 months 12 months or longer Total (Dollars in thousands) Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Government agency issued CMO $ 1,059,471 $ (19,052 ) $ 116,527 $ (4,885 ) $ 1,175,998 $ (23,937 ) Government agency issued MBS 1,912,126 (23,866 ) — — 1,912,126 (23,866 ) Total debt securities 2,971,597 (42,918 ) 116,527 (4,885 ) 3,088,124 (47,803 ) Equity 7 (2 ) — — 7 (2 ) Total temporarily impaired securities $ 2,971,604 $ (42,920 ) $ 116,527 $ (4,885 ) $ 3,088,131 $ (47,805 ) FHN has reviewed investment securities that were in unrealized loss positions in accordance with its accounting policy for OTTI and does not consider them other-than-temporarily impaired. For debt securities with unrealized losses, FHN does not intend to sell them and it is more-likely-than-not that FHN will not be required to sell them prior to recovery. The decline in value is primarily attributable to changes in interest rates and not credit losses. For equity securities, FHN has both the ability and intent to hold these securities for the time necessary to recover the amortized cost.

Loans

Loans	9 Months Ended
	Sep. 30, 2017
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Loans	Loans The following table provides the balance of loans, net of unearned income, by portfolio segment as of September 30, 2017 and December 31, 2016 : September 30 December 31 (Dollars in thousands) 2017 2016 Commercial: Commercial, financial, and industrial $ 12,791,844 $ 12,148,087 Commercial real estate 2,251,015 2,135,523 Consumer: Consumer real estate (a) 4,369,717 4,523,752 Permanent mortgage 403,082 423,125 Credit card & other 350,433 359,033 Loans, net of unearned income $ 20,166,091 $ 19,589,520 Allowance for loan losses 194,867 202,068 Total net loans $ 19,971,224 $ 19,387,452 (a) Balances as of September 30, 2017 and December 31, 2016 , include $26.2 million and $35.9 million of restricted real estate loans, respectively. See Note 13—Variable Interest Entities for additional information. COMPONENTS OF THE LOAN PORTFOLIO The loan portfolio is disaggregated into segments and then further disaggregated into classes for certain disclosures. GAAP defines a portfolio segment as the level at which an entity develops and documents a systematic method for determining its allowance for credit losses. A class is generally determined based on the initial measurement attribute (i.e., amortized cost or purchased credit-impaired), risk characteristics of the loan, and FHN’s method for monitoring and assessing credit risk. Commercial loan portfolio segments include commercial, financial and industrial (“C&I”) and commercial real estate. Commercial classes within C&I include general C&I, loans to mortgage companies, the trust preferred loans (“TRUPS”) (i.e. long-term unsecured loans to bank and insurance-related businesses) portfolio and purchased credit-impaired (“PCI”) loans. Loans to mortgage companies include commercial lines of credit to qualified mortgage companies primarily for the temporary warehousing of eligible mortgage loans prior to the borrower’s sale of those mortgage loans to third party investors. Commercial classes within CRE include income CRE, residential CRE and PCI loans. Consumer loan portfolio segments include consumer real estate, permanent mortgage, and the credit card and other portfolio. Consumer classes include home equity lines of credit (“HELOCs”), real estate (“R/E”) installment and PCI loans within the consumer real estate segment, permanent mortgage (which is both a segment and a class), and credit card and other. Concentrations FHN has a concentration of residential real estate loans ( 24 percent of total loans), the majority of which is in the consumer real estate segment ( 22 percent of total loans). Loans to finance and insurance companies total $2.8 billion ( 22 percent of the C&I portfolio, or 14 percent of the total loans). FHN had loans to mortgage companies totaling $2.0 billion ( 15 percent of the C&I segment, or 10 percent of total loans) as of September 30, 2017 . As a result, 37 percent of the C&I segment is sensitive to impacts on the financial services industry. Purchased Credit-Impaired Loans The following table presents a rollforward of the accretable yield for the three and nine months ended September 30, 2017 and 2016 : Three Months Ended Nine months ended (Dollars in thousands) 2017 2016 2017 2016 Balance, beginning of period $ 4,045 $ 6,171 $ 6,871 $ 8,542 Addition — 2,883 — 2,883 Accretion (642 ) (837 ) (2,412 ) (2,984 ) Adjustment for payoffs (198 ) (179 ) (1,232 ) (4,408 ) Adjustment for charge-offs — — — (674 ) Adjustment for pool excess recovery (a) — — (222 ) — Increase/(decrease) in accretable yield (b) (2 ) 686 112 5,398 Other — — 86 (33 ) Balance, end of period $ 3,203 $ 8,724 $ 3,203 $ 8,724 (a) Represents the removal of accretable difference for the remaining loans in a pool which is now in a recovery state. (b) Includes changes in the accretable yield due to both transfers from the nonaccretable difference and the impact of changes in the expected timing of the cash flows. At September 30, 2017 , the ALLL related to PCI loans was $3.1 million compared to $.7 million at December 31, 2016 . A loan loss provision expense related to PCI loans of $2.6 million was recognized during the three months ended September 30, 2017 , as compared to $.3 million recognized during the three months ended September 30, 2016 . The loan loss provision expense related to PCI loans of $2.4 million was recognized during the nine months ended September 30, 2017 . The loan loss provision related to PCI loans was not material during the nine months ended September 30, 2016 . The following table reflects the outstanding principal balance and carrying amounts of the acquired PCI loans as of September 30, 2017 and December 31, 2016 : September 30, 2017 December 31, 2016 (Dollars in thousands) Carrying value Unpaid balance Carrying value Unpaid balance Commercial, financial and industrial $ 17,903 $ 21,239 $ 40,368 $ 41,608 Commercial real estate 3,842 4,933 4,763 6,514 Consumer real estate 940 1,259 1,172 1,677 Credit card and other — — 52 64 Total $ 22,685 $ 27,431 $ 46,355 $ 49,863 Impaired Loans The following tables provide information at September 30, 2017 and December 31, 2016 , by class related to individually impaired loans and consumer TDRs, regardless of accrual status. Recorded investment is defined as the amount of the investment in a loan, excluding any valuation allowance but including any direct write-down of the investment. For purposes of this disclosure, PCI loans and the TRUPs valuation allowance have been excluded. September 30, 2017 December 31, 2016 (Dollars in thousands) Recorded Unpaid Related Recorded Unpaid Related Impaired loans with no related allowance recorded: Commercial: General C&I $ 2,055 $ 10,769 $ — $ 10,419 $ 16,636 $ — Income CRE — — — — — — Total $ 2,055 $ 10,769 $ — $ 10,419 $ 16,636 $ — Consumer: HELOC (a) $ 10,513 $ 20,372 $ — $ 11,383 $ 21,662 $ — R/E installment loans (a) 4,431 5,135 — 3,957 4,992 — Permanent mortgage (a) 5,481 7,604 — 5,311 7,899 — Total $ 20,425 $ 33,111 $ — $ 20,651 $ 34,553 $ — Impaired loans with related allowance recorded: Commercial: General C&I $ 26,876 $ 27,345 $ 5,970 $ 34,334 $ 34,470 $ 3,294 TRUPS 3,097 3,700 925 3,209 3,700 925 Income CRE 1,525 1,525 43 1,831 2,209 62 Residential CRE 795 1,263 83 1,293 1,761 132 Total $ 32,293 $ 33,833 $ 7,021 $ 40,667 $ 42,140 $ 4,413 Consumer: HELOC $ 74,009 $ 76,587 $ 14,174 $ 84,711 $ 87,126 $ 15,927 R/E installment loans 46,905 47,708 9,762 53,409 54,559 12,875 Permanent mortgage 78,600 90,003 12,601 88,615 100,983 12,470 Credit card & other 544 544 246 306 306 133 Total $ 200,058 $ 214,842 $ 36,783 $ 227,041 $ 242,974 $ 41,405 Total commercial $ 34,348 $ 44,602 $ 7,021 $ 51,086 $ 58,776 $ 4,413 Total consumer $ 220,483 $ 247,953 $ 36,783 $ 247,692 $ 277,527 $ 41,405 Total impaired loans $ 254,831 $ 292,555 $ 43,804 $ 298,778 $ 336,303 $ 45,818 (a) All discharged bankruptcy loans are charged down to an estimate of net realizable value and do not carry any allowance. Three Months Ended September 30 Nine months ended September 30 2017 2016 2017 2016 (Dollars in thousands) Average Interest Average Interest Average Interest Average Interest Impaired loans with no related allowance recorded: Commercial: General C&I $ 5,771 $ — $ 13,708 $ — $ 8,706 $ — $ 12,088 $ — Income CRE — — 1,234 — — — 2,057 — Total $ 5,771 $ — $ 14,942 $ — $ 8,706 $ — $ 14,145 $ — Consumer: HELOC (a) $ 10,225 $ — $ 11,273 $ — $ 10,536 $ — $ 11,100 $ — R/E installment loans (a) 4,182 — 4,158 — 4,014 — 4,333 — Permanent mortgage (a) 5,693 — 4,280 — 5,701 — 4,292 — Total $ 20,100 $ — $ 19,711 $ — $ 20,251 $ — $ 19,725 $ — Impaired loans with related allowance recorded: Commercial: General C&I $ 26,144 $ 193 $ 33,433 $ 289 $ 29,136 $ 597 $ 29,896 $ 668 TRUPS 3,117 — 3,258 — 3,157 — 3,291 — Income CRE 1,628 11 3,211 15 1,737 39 4,376 55 Residential CRE 1,044 — 1,355 5 1,210 10 1,376 17 Total $ 31,933 $ 204 $ 41,257 $ 309 $ 35,240 $ 646 $ 38,939 $ 740 Consumer: HELOC $ 74,894 $ 554 $ 87,919 $ 546 $ 78,859 $ 1,695 $ 88,266 $ 1,527 R/E installment loans 47,628 315 57,775 357 49,634 950 58,890 1,019 Permanent mortgage 79,305 616 90,697 544 82,186 1,805 92,716 1,602 Credit card & other 452 3 348 4 351 8 353 10 Total $ 202,279 $ 1,488 $ 236,739 $ 1,451 $ 211,030 $ 4,458 $ 240,225 $ 4,158 Total commercial $ 37,704 $ 204 $ 56,199 $ 309 $ 43,946 $ 646 $ 53,084 $ 740 Total consumer $ 222,379 $ 1,488 $ 256,450 $ 1,451 $ 231,281 $ 4,458 $ 259,950 $ 4,158 Total impaired loans $ 260,083 $ 1,692 $ 312,649 $ 1,760 $ 275,227 $ 5,104 $ 313,034 $ 4,898 (a) All discharged bankruptcy loans are charged down to an estimate of net realizable value and do not carry any allowance. Asset Quality Indicators FHN employs a dual grade commercial risk grading methodology to assign an estimate for the probability of default (“PD”) and the loss given default (“LGD”) for each commercial loan using factors specific to various industry, portfolio, or product segments that result in a rank ordering of risk and the assignment of grades PD 1 to PD 16 . This credit grading system is intended to identify and measure the credit quality of the loan portfolio by analyzing the migration of loans between grading categories. It is also integral to the estimation methodology utilized in determining the allowance for loan losses since an allowance is established for pools of commercial loans based on the credit grade assigned. Each PD grade corresponds to an estimated one-year default probability percentage; a PD 1 has the lowest expected default probability, and probabilities increase as grades progress down the scale. PD 1 through PD 12 are “pass” grades. PD grades 13 - 16 correspond to the regulatory-defined categories of special mention ( 13 ), substandard ( 14 ), doubtful ( 15 ), and loss ( 16 ). Pass loan grades are required to be reassessed annually or earlier whenever there has been a material change in the financial condition of the borrower or risk characteristics of the relationship. All commercial loans over $1 million and certain commercial loans over $500,000 that are graded 13 or worse are reassessed on a quarterly basis. Loan grading discipline is regularly reviewed internally by Credit Assurance Services to determine if the process continues to result in accurate loan grading across the portfolio. FHN may utilize availability of guarantors/sponsors to support lending decisions during the credit underwriting process and when determining the assignment of internal loan grades. LGD grades are assigned based on a scale of 1 - 12 and represent FHN’s expected recovery based on collateral type in the event a loan defaults. See Note 5 – Allowance for Loan Losses for further discussion on the credit grading system. The following tables provide the balances of commercial loan portfolio classes with associated allowance, disaggregated by PD grade as of September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) General C&I Loans to Mortgage Companies TRUPS (a) Income CRE Residential CRE Total Percentage of Total Allowance for Loan Losses PD Grade: 1 $ 583,818 $ — $ — $ 1,832 $ — $ 585,650 4 % $ 81 2 905,992 — — 3,777 112 909,881 6 385 3 500,056 643,772 — 156,694 — 1,300,522 9 277 4 1,026,592 578,566 — 295,781 212 1,901,151 13 955 5 1,460,107 211,846 — 443,751 2,053 2,117,757 14 7,697 6 1,519,911 362,685 — 413,342 6,114 2,302,052 14 9,857 7 1,705,394 60,135 — 446,493 8,372 2,220,394 14 13,297 8 1,042,209 34,623 — 259,813 4,908 1,341,553 9 20,963 9 556,662 60,954 — 66,082 4,276 687,974 5 11,376 10 395,187 — — 31,570 6,558 433,315 3 8,502 11 217,190 13,548 — 24,878 4,819 260,435 2 6,730 12 185,929 — — 10,798 2,709 199,436 1 7,065 13 142,729 — 304,236 38,979 91 486,035 3 6,927 14,15,16 226,924 26 — 10,062 819 237,831 2 23,974 Collectively evaluated for impairment 10,468,700 1,966,155 304,236 2,203,852 41,043 14,983,986 99 118,086 Individually evaluated for impairment 28,931 — 3,097 1,525 795 34,348 1 7,021 Purchased credit-impaired loans 20,725 — — 3,792 8 24,525 — 2,781 Total commercial loans $ 10,518,356 $ 1,966,155 $ 307,333 $ 2,209,169 $ 41,846 $ 15,042,859 100 % $ 127,888 December 31, 2016 (Dollars in thousands) General C&I Loans to Mortgage Companies TRUPS (a) Income CRE Residential CRE Total Percentage of Total Allowance for Loan Losses PD Grade: 1 $ 465,179 $ — $ — $ 1,078 $ — $ 466,257 3 % $ 77 2 791,183 — — 11,742 87 803,012 6 403 3 491,386 462,486 — 153,670 — 1,107,542 8 304 4 978,282 332,107 — 222,422 — 1,532,811 11 953 5 1,232,401 275,209 — 365,653 702 1,873,965 13 6,670 6 1,540,519 614,109 — 338,344 9,338 2,502,310 17 10,403 7 1,556,117 317,283 — 352,390 2,579 2,228,369 16 14,010 8 963,359 30,974 — 425,503 2,950 1,422,786 10 25,986 9 611,774 4,299 — 105,277 4,417 725,767 5 13,857 10 355,359 8,663 — 50,484 9,110 423,616 3 8,400 11 238,230 — — 20,600 6,541 265,371 2 6,556 12 170,531 — — 15,395 4,168 190,094 1 6,377 13 121,276 — 304,236 6,748 311 432,571 3 4,225 14,15,16 194,572 59 — 16,313 1,659 212,603 1 20,297 Collectively evaluated for impairment 9,710,168 2,045,189 304,236 2,085,619 41,862 14,187,074 99 118,518 Individually evaluated for impairment 44,753 — 3,209 1,831 1,293 51,086 1 4,413 Purchased credit-impaired loans 40,532 — — 4,583 335 45,450 — 319 Total commercial loans $ 9,795,453 $ 2,045,189 $ 307,445 $ 2,092,033 $ 43,490 $ 14,283,610 100 % $ 123,250 (a) Balances as of September 30, 2017 and December 31, 2016 , presented net of a $25.5 million valuation allowance. Based on the underlying structure of the notes, the highest possible internal grade is “ 13 ”. The consumer portfolio is comprised primarily of smaller-balance loans which are very similar in nature in that most are standard products and are backed by residential real estate. Because of the similarities of consumer loan-types, FHN is able to utilize the Fair Isaac Corporation (“FICO”) score, among other attributes, to assess the credit quality of consumer borrowers. FICO scores are refreshed on a quarterly basis in an attempt to reflect the recent risk profile of the borrowers. Accruing delinquency amounts are indicators of asset quality within the credit card and other consumer portfolio. The following table reflects the percentage of balances outstanding by average, refreshed FICO scores for the HELOC, real estate installment, and permanent mortgage classes of loans as of September 30, 2017 and December 31, 2016 : September 30, 2017 December 31, 2016 HELOC R/E Installment Loans Permanent Mortgage HELOC R/E Installment Loans Permanent Mortgage FICO score 740 or greater 58.5 % 71.8 % 45.1 % 56.9 % 70.3 % 45.0 % FICO score 720-739 8.8 8.1 12.8 8.8 8.3 9.5 FICO score 700-719 8.2 6.6 11.0 8.6 6.8 9.2 FICO score 660-699 12.1 8.4 15.3 13.2 8.4 17.1 FICO score 620-659 5.6 2.7 7.0 5.6 3.5 9.1 FICO score less than 620 (a) 6.8 2.4 8.8 6.9 2.7 10.1 Total 100.0 % 100.0 % 100.0 % 100.0 % 100.0 % 100.0 % (a) For this group, a majority of the loan balances had FICO scores at the time of the origination that exceeded 620 but have since deteriorated as the loans have seasoned. Nonaccrual and Past Due Loans The following table reflects accruing and non-accruing loans by class on September 30, 2017 : Accruing Non-Accruing (Dollars in thousands) Current 30-89 Days Past Due 90+ Days Past Due Total Accruing Current 30-89 Days Past Due 90+ Days Past Due Total Non- Accruing Total Loans Commercial (C&I): General C&I $ 10,462,376 $ 19,324 $ 129 $ 10,481,829 $ 5,260 $ 1,252 $ 9,290 $ 15,802 $ 10,497,631 Loans to mortgage companies 1,966,129 — — 1,966,129 — — 26 26 1,966,155 TRUPS (a) 304,236 — — 304,236 — — 3,097 3,097 307,333 Purchased credit-impaired loans 6,080 70 14,575 20,725 — — — — 20,725 Total commercial (C&I) 12,738,821 19,394 14,704 12,772,919 5,260 1,252 12,413 18,925 12,791,844 Commercial real estate: Income CRE 2,204,042 490 — 2,204,532 105 — 740 845 2,205,377 Residential CRE 41,043 — — 41,043 — — 795 795 41,838 Purchased credit-impaired loans 3,800 — — 3,800 — — — — 3,800 Total commercial real estate 2,248,885 490 — 2,249,375 105 — 1,535 1,640 2,251,015 Consumer real estate: HELOC 1,375,690 14,312 8,518 1,398,520 43,188 3,217 9,020 55,425 1,453,945 R/E installment loans 2,883,593 5,855 3,609 2,893,057 15,510 2,875 3,035 21,420 2,914,477 Purchased credit-impaired loans 1,198 — 97 1,295 — — — — 1,295 Total consumer real estate 4,260,481 20,167 12,224 4,292,872 58,698 6,092 12,055 76,845 4,369,717 Permanent mortgage 369,546 3,333 2,753 375,632 12,557 577 14,316 27,450 403,082 Credit card & other: Credit card 191,714 1,254 1,081 194,049 — — — — 194,049 Other 155,460 610 188 156,258 — — 126 126 156,384 Purchased credit-impaired loans — — — — — — — — — Total credit card & other 347,174 1,864 1,269 350,307 — — 126 126 350,433 Total loans, net of unearned income $ 19,964,907 $ 45,248 $ 30,950 $ 20,041,105 $ 76,620 $ 7,921 $ 40,445 $ 124,986 $ 20,166,091 (a) TRUPS is presented net of the valuation allowance of $25.5 million . The following table reflects accruing and non-accruing loans by class on December 31, 2016 : Accruing Non-Accruing (Dollars in thousands) Current 30-89 Days Past Due 90+ Days Past Due Total Accruing Current 30-89 Days Past Due 90+ Days Past Due Total Non- Accruing Total Loans Commercial (C&I): General C&I $ 9,720,231 $ 5,199 $ 23 $ 9,725,453 $ 16,106 $ 374 $ 12,988 $ 29,468 $ 9,754,921 Loans to mortgage companies 2,041,408 3,722 — 2,045,130 — — 59 59 2,045,189 TRUPS (a) 304,236 — — 304,236 — — 3,209 3,209 307,445 Purchased credit-impaired loans 40,113 185 234 40,532 — — — — 40,532 Total commercial (C&I) 12,105,988 9,106 257 12,115,351 16,106 374 16,256 32,736 12,148,087 Commercial real estate: Income CRE 2,085,455 14 — 2,085,469 232 460 1,289 1,981 2,087,450 Residential CRE 42,182 178 — 42,360 — — 795 795 43,155 Purchased credit-impaired loans 4,809 109 — 4,918 — — — — 4,918 Total commercial real estate 2,132,446 301 — 2,132,747 232 460 2,084 2,776 2,135,523 Consumer real estate: HELOC 1,602,640 17,997 10,859 1,631,496 46,964 4,201 8,922 60,087 1,691,583 R/E installment loans 2,794,866 7,844 5,158 2,807,868 17,989 2,383 2,353 22,725 2,830,593 Purchased credit-impaired loans 1,319 164 93 1,576 — — — — 1,576 Total consumer real estate 4,398,825 26,005 16,110 4,440,940 64,953 6,584 11,275 82,812 4,523,752 Permanent mortgage 385,972 4,544 5,428 395,944 11,867 2,194 13,120 27,181 423,125 Credit card & other: Credit card 188,573 1,622 1,456 191,651 — — — — 191,651 Other 166,062 992 134 167,188 — — 142 142 167,330 Purchased credit-impaired loans 52 — — 52 — — — — 52 Total credit card & other 354,687 2,614 1,590 358,891 — — 142 142 359,033 Total loans, net of unearned income $ 19,377,918 $ 42,570 $ 23,385 $ 19,443,873 $ 93,158 $ 9,612 $ 42,877 $ 145,647 $ 19,589,520 (a) TRUPS is presented net of the valuation allowance of $25.5 million . Troubled Debt Restructurings As part of FHN’s ongoing risk management practices, FHN attempts to work with borrowers when necessary to extend or modify loan terms to better align with their current ability to repay. Extensions and modifications to loans are made in accordance with internal policies and guidelines which conform to regulatory guidance. Each occurrence is unique to the borrower and is evaluated separately. A modification is classified as a TDR if the borrower is experiencing financial difficulty and it is determined that FHN has granted a concession to the borrower. FHN may determine that a borrower is experiencing financial difficulty if the borrower is currently in default on any of its debt, or if it is probable that a borrower may default in the foreseeable future. Many aspects of a borrower’s financial situation are assessed when determining whether they are experiencing financial difficulty. Concessions could include extension of the maturity date, reductions of the interest rate (which may make the rate lower than current market for a new loan with similar risk), reduction or forgiveness of accrued interest, or principal forgiveness. The assessments of whether a borrower is experiencing (or is likely to experience) financial difficulty, and whether a concession has been granted, are subjective in nature and management’s judgment is required when determining whether a modification is classified as a TDR. For all classes within the commercial portfolio segment, TDRs are typically modified through forbearance agreements (generally 6 to 12 months ). Forbearance agreements could include reduced interest rates, reduced payments, release of guarantor, or entering into short sale agreements. FHN’s proprietary modification programs for consumer loans are generally structured using parameters of U.S. government-sponsored programs such as the former Home Affordable Modification Program (“HAMP”). Within the HELOC and R/E installment loans classes of the consumer portfolio segment, TDRs are typically modified by reducing the interest rate (in increments of 25 basis points to a minimum of 1 percent for up to 5 years ) and a possible maturity date extension to reach an affordable housing debt-to-income ratio. After 5 years , the interest rate generally returns to the original interest rate prior to modification; for certain modifications, the modified interest rate increases 2 percent per year until the original interest rate prior to modification is achieved. Permanent mortgage TDRs are typically modified by reducing the interest rate (in increments of 25 basis points to a minimum of 2 percent for up to 5 years ) and a possible maturity date extension to reach an affordable housing debt-to-income ratio. After 5 years , the interest rate steps up 1 percent every year until it reaches the Federal Home Loan Mortgage Corporation Weekly Survey Rate cap. Contractual maturities may be extended to 40 years on permanent mortgages and to 30 years for consumer real estate loans. Within the credit card class of the consumer portfolio segment, TDRs are typically modified through either a short-term credit card hardship program or a longer-term credit card workout program. In the credit card hardship program, borrowers may be granted rate and payment reductions for 6 months to 1 year . In the credit card workout program, customers are granted a rate reduction to 0 percent and term extensions for up to 5 years to pay off the remaining balance. Despite the absence of a loan modification, the discharge of personal liability through bankruptcy proceedings is considered a concession. As a result, FHN classifies all non-reaffirmed residential real estate loans discharged in Chapter 7 bankruptcy as nonaccruing TDRs. On September 30, 2017 and December 31, 2016 , FHN had $241.6 million and $285.2 million of portfolio loans classified as TDRs, respectively. For TDRs in the loan portfolio, FHN had loan loss reserves of $38.6 million , or 16 percent as of September 30, 2017 , and $44.9 million , or 16 percent as of December 31, 2016 . Additionally, $63.2 million and $69.3 million of loans held-for-sale as of September 30, 2017 and December 31, 2016 , respectively, were classified as TDRs. The following tables reflect portfolio loans that were classified as TDRs during the three and nine months ended September 30, 2017 and 2016 : Three Months Ended September 30, 2017 Nine Months Ended September 30, 2017 (Dollars in thousands) Number Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Number Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Commercial (C&I): General C&I — $ — $ — 2 $ 842 $ 836 Total commercial (C&I) — — — 2 842 836 Consumer real estate: HELOC 45 4,451 4,396 107 9,333 9,139 R/E installment loans 15 1,630 1,622 43 3,386 3,306 Total consumer real estate 60 6,081 6,018 150 12,719 12,445 Permanent mortgage 2 34 32 11 2,043 2,028 Credit card & other 37 261 251 66 426 411 Total troubled debt restructurings 99 $ 6,376 $ 6,301 229 $ 16,030 $ 15,720 Three Months Ended September 30, 2016 Nine Months Ended September 30, 2016 (Dollars in thousands) Number Pre-Modification Post-Modification Number Pre-Modification Post-Modification Commercial (C&I): General C&I 2 $ 419 $ 419 7 $ 20,302 $ 19,194 Total commercial (C&I) 2 419 419 7 20,302 19,194 Commercial real estate: Income CRE 1 100 99 1 100 99 Total commercial real estate 1 100 99 1 100 99 Consumer real estate: HELOC 48 5,720 5,573 200 18,418 18,189 R/E installment loans 10 345 337 44 4,569 4,846 Total consumer real estate 58 6,065 5,910 244 22,987 23,035 Permanent mortgage 2 710 704 6 1,551 1,544 Credit card & other 10 45 44 15 66 64 Total troubled debt restructurings 73 $ 7,339 $ 7,176 273 $ 45,006 $ 43,936 The following tables present TDRs which re-defaulted during the three and nine months ended September 30, 2017 and 2016 , and as to which the modification occurred 12 months or less prior to the re-default. For purposes of this disclosure, FHN generally defines payment default as 30 or more days past due. Three Months Ended Nine Months Ended (Dollars in thousands) Number Recorded Investment Number Recorded Investment Commercial (C&I): General C&I 1 $ 1,763 4 $ 9,770 Total commercial (C&I) 1 1,763 4 9,770 Commercial real estate: Income CRE 1 88 1 88 Total commercial real estate 1 88 1 88 Consumer real estate: HELOC — — 4 685 Total consumer real estate — — 4 685 Permanent mortgage 1 89 2 627 Credit card & other 2 12 5 30 Total troubled debt restructurings 5 $ 1,952 16 $ 11,200 Three Months Ended Nine Months Ended (Dollars in thousands) Number Recorded Number Recorded Consumer real estate: HELOC — $ — 2 $ 138 R/E installment loans — — 1 180 Total consumer real estate — — 3 318 Total troubled debt restructurings — $ — 3 $ 318

Allowance for Loan Losses

Allowance for Loan Losses	9 Months Ended
	Sep. 30, 2017
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Allowance	Allowance for Loan Losses The ALLL includes the following components: reserves for commercial loans evaluated based on pools of credit graded loans and reserves for pools of smaller-balance homogeneous consumer loans, both determined in accordance with ASC 450-20-50. The reserve factors applied to these pools are an estimate of probable incurred losses based on management’s evaluation of historical net losses from loans with similar characteristics and are subject to qualitative adjustments by management to reflect current events, trends, and conditions (including economic considerations and trends). The current economic conditions and trends, performance of the housing market, unemployment levels, labor participation rate, regulatory guidance, and both positive and negative portfolio segment-specific trends, are examples of additional factors considered by management in determining the ALLL. Additionally, management considers the inherent uncertainty of quantitative models that are driven by historical loss data. Management evaluates the periods of historical losses that are the basis for the loss rates used in the quantitative models and selects historical loss periods that are believed to be the most reflective of losses inherent in the loan portfolio as of the balance sheet date. Management also periodically reviews analysis of the loss emergence period which is the amount of time it takes for a loss to be confirmed (initial charge-off) after a loss event has occurred. FHN performs extensive studies as it relates to the historical loss periods used in the model and the loss emergence period and model assumptions are adjusted accordingly. The ALLL also includes reserves determined in accordance with ASC 310-10-35 for loans determined by management to be individually impaired and an allowance associated with PCI loans. See Note 1 – Summary of Significant Accounting Policies and Note 5 - Allowance for Loan Losses in the Notes to Consolidated Financial Statements on FHN’s Form 10-K for the year ended December 31, 2016 , for additional information about the policies and methodologies used in the aforementioned components of the ALLL. The following table provides a rollforward of the allowance for loan losses by portfolio segment for the three and nine months ended September 30, 2017 and 2016 : (Dollars in thousands) C&I Commercial Real Estate Consumer Real Estate Permanent Mortgage Credit Card and Other Total Balance as of July 1, 2017 $ 92,379 $ 30,470 $ 46,069 $ 16,398 $ 11,941 $ 197,257 Charge-offs (3,723 ) — (3,601 ) (173 ) (3,173 ) (10,670 ) Recoveries 601 278 6,188 542 671 8,280 Provision/(provision credit) for loan losses 8,948 (1,065 ) (7,717 ) (1,048 ) 882 — Balance as of September 30, 2017 98,205 29,683 40,939 15,719 10,321 194,867 Balance as of January 1, 2017 $ 89,398 $ 33,852 $ 50,357 $ 16,289 $ 12,172 $ 202,068 Charge-offs (6,188 ) (20 ) (11,401 ) (1,499 ) (9,805 ) (28,913 ) Recoveries 2,877 639 17,007 1,933 2,256 24,712 Provision/(provision credit) for loan losses 12,118 (4,788 ) (15,024 ) (1,004 ) 5,698 (3,000 ) Balance as of September 30, 2017 98,205 29,683 40,939 15,719 10,321 194,867 Allowance - individually evaluated for impairment 6,895 126 23,936 12,601 246 43,804 Allowance - collectively evaluated for impairment 88,529 29,557 16,649 3,118 10,075 147,928 Allowance - purchased credit-impaired loans 2,781 — 354 — — 3,135 Loans, net of unearned as of September 30, 2017: Individually evaluated for impairment 32,028 2,320 135,858 84,081 544 254,831 Collectively evaluated for impairment 12,739,091 2,244,895 4,232,564 319,001 349,889 19,885,440 Purchased credit-impaired loans 20,725 3,800 1,295 — — 25,820 Total loans, net of unearned income $ 12,791,844 $ 2,251,015 $ 4,369,717 $ 403,082 $ 350,433 $ 20,166,091 Balance as of July 1, 2016 $ 80,972 $ 30,264 $ 59,081 $ 17,600 $ 11,890 $ 199,807 Charge-offs (1,992 ) (49 ) (4,359 ) (373 ) (3,589 ) (10,362 ) Recoveries 725 651 5,591 239 906 8,112 Provision/(provision credit) for loan losses 7,161 1,554 (7,078 ) (877 ) 3,240 4,000 Balance as of September 30, 2016 86,866 32,420 53,235 16,589 12,447 201,557 Balance as of January 1, 2016 $ 73,637 $ 25,159 $ 80,614 $ 18,947 $ 11,885 $ 210,242 Charge-offs (16,386 ) (742 ) (17,867 ) (834 ) (10,441 ) (46,270 ) Recoveries 3,107 1,782 17,408 1,502 2,786 26,585 Provision/(provision credit) for loan losses 26,508 6,221 (26,920 ) (3,026 ) 8,217 11,000 Balance as of September 30, 2016 86,866 32,420 53,235 16,589 12,447 201,557 Allowance - individually evaluated for impairment 5,187 216 29,461 14,611 139 49,614 Allowance - collectively evaluated for impairment 81,376 31,674 23,441 1,978 12,308 150,777 Allowance - purchased credit-impaired loans 303 530 333 — — 1,166 Loans, net of unearned as of September 30, 2016: Individually evaluated for impairment 49,351 3,302 158,909 94,071 340 305,973 Collectively evaluated for impairment 12,022,457 2,053,101 4,417,896 342,029 357,032 19,192,515 Purchased credit-impaired loans 46,490 9,192 1,566 — 51 57,299 Total loans, net of unearned income $ 12,118,298 $ 2,065,595 $ 4,578,371 $ 436,100 $ 357,423 $ 19,555,787

Intangible Assets

Intangible Assets	9 Months Ended
	Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible Assets	Intangible Assets The following is a summary of other intangible assets included in the Consolidated Condensed Statements of Condition: September 30, 2017 December 31, 2016 (Dollars in thousands) Gross Carrying Amount Accumulated Amortization Net Carrying Value Gross Carrying Amount Accumulated Amortization Net Carrying Value Core deposit intangibles $ 16,850 $ (6,154 ) $ 10,696 $ 16,850 $ (4,721 ) $ 12,129 Customer relationships (a) 76,865 (49,496 ) 27,369 54,865 (46,302 ) 8,563 Other (a) (b) 5,622 (530 ) 5,092 555 (230 ) 325 Total $ 99,337 $ (56,180 ) $ 43,157 $ 72,270 $ (51,253 ) $ 21,017 (a) 2017 increase associated with the Coastal acquisition. (b) Balance primarily includes noncompete covenants, as well as $ .3 million related to state banking licenses not subject to amortization. Amortization expense was $2.0 million and $1.3 million for the three months ended September 30, 2017 and 2016 , respectively, and $ 5.2 million and $ 3.9 million for the nine months ended September 30, 2017 and 2016, respectively. As of September 30, 2017 the estimated aggregated amortization expense is expected to be: (Dollars in thousands) Year Amortization Remainder of 2017 $ 1,964 2018 7,483 2019 7,179 2020 4,303 2021 4,123 2022 3,356 Gross goodwill, accumulated impairments, and accumulated divestiture related write-offs were determined beginning January 1, 2012, when a change in accounting requirements resulted in goodwill being assessed for impairment rather than being amortized. Gross goodwill of $200.0 million with accumulated impairments and accumulated divestiture-related write-offs of $114.1 million and $85.9 million , respectively, were previously allocated to the non-strategic segment, resulting in $0 net goodwill allocated to the non-strategic segment as of September 30, 2017 and December 31, 2016 . The regional banking and fixed income segments do not have any accumulated impairments or divestiture related write-offs. The following is a summary of goodwill by reportable segment included in the Consolidated Condensed Statements of Condition as of September 30, 2017 and December 31, 2016 . (Dollars in thousands) Regional Banking Fixed Income Total December 31, 2015 $ 93,303 $ 98,004 $ 191,307 Additions 64 — 64 September 30, 2016 $ 93,367 $ 98,004 $ 191,371 December 31, 2016 $ 93,367 $ 98,004 $ 191,371 Additions (a) — 44,964 44,964 September 30, 2017 $ 93,367 $ 142,968 $ 236,335 (a) See Note 2 - Acquisitions and Divestitures for further details regarding goodwill related to acquisitions.

Other Income And Other Expense

Other Income And Other Expense	9 Months Ended
	Sep. 30, 2017
Other Nonoperating Income (Expense) [Abstract]
Other Income And Other Expense	Other Income and Other Expense Following is detail of All other income and commissions and All other expense as presented in the Consolidated Condensed Statements of Income: Three Months Ended Nine Months Ended (Dollars in thousands) 2017 2016 2017 2016 All other income and commissions: ATM interchange fees $ 3,137 $ 3,081 $ 8,998 $ 8,918 Other service charges 2,954 3,004 9,047 8,713 Mortgage banking 1,354 5,524 3,883 7,395 Electronic banking fees 1,282 1,398 3,911 4,176 Letter of credit fees 1,211 981 3,369 3,157 Deferred compensation 1,128 1,038 4,446 2,162 Insurance commissions 567 1,262 2,042 2,301 Gain/(loss) on extinguishment of debt (a) (14,329 ) — (14,329 ) — Other 2,739 5,518 7,684 10,594 Total $ 43 $ 21,806 $ 29,051 $ 47,416 All other expense: Litigation and regulatory matters $ 8,162 $ 260 $ 8,403 $ 25,785 Travel and entertainment 2,798 2,478 8,308 7,035 Other insurance and taxes 2,396 2,625 7,229 8,952 Customer relations 1,361 1,442 4,240 4,804 Employee training and dues 1,198 1,360 4,194 4,088 Supplies 928 1,158 2,884 3,114 Tax credit investments 762 788 2,646 2,325 Miscellaneous loan costs 757 676 2,078 1,958 OREO 303 815 953 125 Other 9,033 8,326 29,954 30,669 Total $ 27,698 $ 19,928 $ 70,889 $ 88,855 (a) Loss on extinguishment of debt for the three and nine months ended September 30, 2017 relates to the repurchase of equity securities previously included in a financing transaction.

Components of Other Comprehensi

Components of Other Comprehensive Income/(Loss)	9 Months Ended
	Sep. 30, 2017
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Components of Other Comprehensive Income/(Loss)	Components of Other Comprehensive Income/(loss) The following table provides the changes in accumulated other comprehensive income/(loss) by component, net of tax, for the three and nine months ended September 30, 2017 and 2016 : (Dollars in thousands) Securities AFS Cash Flow Pension and Total Balance as of July 1, 2017 $ (9,857 ) $ (1,024 ) $ (226,581 ) $ (237,462 ) Net unrealized gains/(losses) 3,918 (91 ) 490 4,317 Amounts reclassified from AOCI (1 ) (643 ) 1,405 761 Other comprehensive income/(loss) 3,917 (734 ) 1,895 5,078 Balance as of September 30, 2017 $ (5,940 ) $ (1,758 ) $ (224,686 ) $ (232,384 ) Balance as of January 1, 2017 $ (17,232 ) $ (1,265 ) $ (229,157 ) $ (247,654 ) Net unrealized gains/(losses) 11,570 1,906 490 13,966 Amounts reclassified from AOCI (278 ) (2,399 ) 3,981 1,304 Other comprehensive income/(loss) 11,292 (493 ) 4,471 15,270 Balance as of September 30, 2017 $ (5,940 ) $ (1,758 ) $ (224,686 ) $ (232,384 ) (Dollars in thousands) Securities AFS Cash Flow Pension and Total Balance as of July 1, 2016 $ 58,591 $ 4,691 $ (215,616 ) $ (152,334 ) Net unrealized gains/(losses) (7,887 ) (1,211 ) — (9,098 ) Amounts reclassified from AOCI — (359 ) 963 604 Other comprehensive income/(loss) (7,887 ) (1,570 ) 963 (8,494 ) Balance as of September 30, 2016 $ 50,704 $ 3,121 $ (214,653 ) $ (160,828 ) Balance as of January 1, 2016 $ 3,394 $ — $ (217,586 ) $ (214,192 ) Net unrealized gains/(losses) 48,330 4,228 — 52,558 Amounts reclassified from AOCI (1,020 ) (1,107 ) 2,933 806 Other comprehensive income/(loss) 47,310 3,121 2,933 53,364 Balance as of September 30, 2016 $ 50,704 $ 3,121 $ (214,653 ) $ (160,828 ) Reclassifications from AOCI, and related tax effects, were as follows: (Dollars in thousands) Three Months Ended Nine Months Ended Details about AOCI 2017 2016 2017 2016 Affected line item in the statement where net income is presented Securities AFS: Realized (gains)/losses on securities AFS $ (1 ) $ — $ (450 ) $ (1,654 ) Debt securities gains/(losses), net Tax expense/(benefit) — — 172 634 Provision/(benefit) for income taxes (1 ) — (278 ) (1,020 ) Cash flow hedges: Realized (gains)/losses on cash flow hedges (1,041 ) (582 ) (3,886 ) (1,795 ) Interest and fees on loans Tax expense/(benefit) 398 223 1,487 688 Provision/(benefit) for income taxes (643 ) (359 ) (2,399 ) (1,107 ) Pension and Postretirement Plans: Amortization of prior service cost and net actuarial gain/(loss) 2,277 1,561 6,450 4,756 Employee compensation, incentives, and benefits Tax expense/(benefit) (872 ) (598 ) (2,469 ) (1,823 ) Provision/(benefit) for income taxes 1,405 963 3,981 2,933 Total reclassification from AOCI $ 761 $ 604 $ 1,304 $ 806

Earnings Per Share

Earnings Per Share	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Earnings Per Share	Earnings Per Share The following table provides reconciliations of net income to net income available to common shareholders and the difference between average basic common shares outstanding and average diluted common shares outstanding: Three Months Ended Nine Months Ended (Dollars and shares in thousands, except per share data) 2017 2016 2017 2016 Net income/(loss) $ 71,769 $ 67,635 $ 225,361 $ 180,788 Net income attributable to noncontrolling interest 2,883 2,883 8,555 8,586 Net income/(loss) attributable to controlling interest 68,886 64,752 216,806 172,202 Preferred stock dividends 1,550 1,550 4,650 4,650 Net income/(loss) available to common shareholders $ 67,336 $ 63,202 $ 212,156 $ 167,552 Weighted average common shares outstanding—basic 233,749 231,856 233,438 232,690 Effect of dilutive securities 2,591 2,236 2,934 2,085 Weighted average common shares outstanding—diluted 236,340 234,092 236,372 234,775 Net income/(loss) per share available to common shareholders $ 0.29 $ 0.27 $ 0.91 $ 0.72 Diluted income/(loss) per share available to common shareholders $ 0.28 $ 0.27 $ 0.90 $ 0.71 The following table presents outstanding options and other equity awards that were excluded from the calculation of diluted earnings per share because they were either anti-dilutive (the exercise price was higher than the weighted-average market price for the period) or the performance conditions have not been met: Three Months Ended Nine Months Ended (Shares in thousands) 2017 2016 2017 2016 Stock options excluded from the calculation of diluted EPS 2,595 2,793 2,490 2,996 Weighted average exercise price of stock options excluded from the calculation of diluted EPS $ 25.00 $ 24.95 $ 25.70 $ 25.21 Other equity awards excluded from the calculation of diluted EPS 1,002 371 325 51

Contingencies And Other Disclos

Contingencies And Other Disclosures	9 Months Ended
	Sep. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Contingencies And Other Disclosures	Contingencies and Other Disclosures CONTINGENCIES Contingent Liabilities Overview Contingent liabilities arise in the ordinary course of business. Often they are related to lawsuits, arbitration, mediation, and other forms of litigation. Various litigation matters are threatened or pending against FHN and its subsidiaries. Also, FHN at times receives requests for information, subpoenas, or other inquiries from federal, state, and local regulators, from other government authorities, and from other parties concerning various matters relating to FHN’s current or former lines of business. Certain matters of that sort are pending at this time, and FHN is cooperating in those matters. Pending and threatened litigation matters sometimes are resolved in court or before an arbitrator, and sometimes are settled by the parties. Regardless of the manner of resolution, frequently the most significant changes in status of a matter occur over a short time period, often following a lengthy period of little substantive activity. In view of the inherent difficulty of predicting the outcome of these matters, particularly where the claimants seek very large or indeterminate damages, or where the cases present novel legal theories or involve a large number of parties, or where claims or other actions may be possible but have not been brought, FHN cannot reasonably determine what the eventual outcome of the matters will be, what the timing of the ultimate resolution of these matters may be, or what the eventual loss or impact related to each matter may be. FHN establishes a loss contingency liability for a litigation matter when loss is both probable and reasonably estimable as prescribed by applicable financial accounting guidance. If loss for a matter is probable and a range of possible loss outcomes is the best estimate available, accounting guidance requires a liability to be established at the low end of the range. Based on current knowledge, and after consultation with counsel, management is of the opinion that loss contingencies related to threatened or pending litigation matters should not have a material adverse effect on the consolidated financial condition of FHN, but may be material to FHN’s operating results for any particular reporting period depending, in part, on the results from that period. Material Loss Contingency Matters Summary As used in this Note, “material loss contingency matters” generally fall into at least one of the following categories: (i) FHN has determined material loss to be probable and has established a material loss liability in accordance with applicable financial accounting guidance, other than certain matters reported as having been substantially settled or otherwise substantially resolved; (ii) FHN has determined material loss to be probable but is not reasonably able to estimate an amount or range of material loss liability; or (iii) FHN has determined that material loss is not probable but is reasonably possible, and that the amount or range of that reasonably possible material loss is estimable. As defined in applicable accounting guidance, loss is reasonably possible if there is more than a remote chance of a material loss outcome for FHN. Set forth below are disclosures for certain pending or threatened litigation matters, including all matters mentioned in (i) or (ii) and certain matters mentioned in (iii). In addition, certain other matters, or groups of matters, are discussed relating to FHN’s former mortgage origination and servicing businesses. In all litigation matters discussed, unless settled or otherwise resolved, FHN believes it has meritorious defenses and intends to pursue those defenses vigorously. FHN reassesses the liability for litigation matters each quarter as the matters progress. At September 30, 2017 , the aggregate amount of liabilities established for all such loss contingency matters was $8.8 million . These liabilities are separate from those discussed under the heading “Repurchase and Foreclosure Liability” below. In each material loss contingency matter, except as otherwise noted, there is more than a remote chance that any of the following outcomes will occur: the plaintiff will substantially prevail; the defense will substantially prevail; the plaintiff will prevail in part; or the matter will be settled by the parties. At September 30, 2017 , FHN estimates that for all material loss contingency matters, estimable reasonably possible losses in future periods in excess of currently established liabilities could aggregate in a range from zero to approximately $52 million . As a result of the general uncertainties discussed above and the specific uncertainties discussed for each matter mentioned below, it is possible that the ultimate future loss experienced by FHN for any particular matter may materially exceed the amount, if any, of currently established liability for that matter. That possibility exists both for matters included in the estimated reasonably possible loss (“RPL”) range mentioned above and for matters not included in that range. Material Matters FHN, along with multiple co-defendants, is defending lawsuits brought by investors which claim that the offering documents under which certificates relating to First Horizon branded securitizations were sold to them were materially deficient. One of those matters is viewed as material currently: Federal Deposit Insurance Corporation (“FDIC”) as receiver for Colonial Bank, in the U.S. District Court for the Southern District of New York (Case No. 12 Civ. 6166 (LLS)(MHD)). The plaintiff in that suit claims to have purchased (and later sold) certificates totaling $83.4 million , relating to a number of separate securitizations. Plaintiff demands damages and prejudgment interest, among several remedies sought. The current RPL estimate for this matter is subject to significant uncertainties regarding: the dollar amounts claimed; the potential remedies that might be available or awarded; the outcome of any settlement discussions; the availability of significantly dispositive defenses; and the incomplete status of the discovery process. Additional information concerning FHN’s former mortgage businesses is provided below in “Obligations from Legacy Mortgage Businesses.” Underwriters are co-defendants in the FDIC-New York matter and have demanded, under provisions in the applicable underwriting agreements, that FHN indemnify them for their expenses and any losses they may incur. In addition, FHN has received indemnity demands from underwriters in certain other suits as to which investors claim to have purchased certificates in FH proprietary securitizations but as to which FHN has not been named a defendant. For most pending indemnity claims involving FH proprietary securitizations FHN is unable to estimate an RPL range due to significant uncertainties regarding: claims as to which the claimant specifies no dollar amount; the potential remedies that might be available or awarded; the availability of significantly dispositive defenses such as statutes of limitations or repose; the outcome of potentially dispositive early-stage motions such as motions to dismiss; the incomplete status of the discovery process; the lack of a precise statement of damages; and lack of precedent claims. The alleged purchase prices of the certificates subject to pending indemnification claims, excluding the FDIC-New York matter, total $409.9 million . In late October, 2017, FHN received a notice of indemnification claims from Nationstar Mortgage LLC, currently doing business as “Mr. Cooper.” Nationstar was the purchaser of FHN’s mortgage servicing obligations and assets in 2013 and 2014 and, starting in 2011, FHN’s subservicer. The notice asserts several categories of indemnity obligations by FHN to Nationstar in connection with mortgage loans under the subservicing arrangement and under the purchase transaction. This matter currently is not in formal litigation, but litigation in the future is possible. FHN is unable to estimate an RPL range for this matter due to significant uncertainties regarding: the exact nature of each of Nationstar’s claims and its position in respect of each; the number of, and the facts underlying, the claimed instances of indemnifiable events; the applicability of FHN’s contractual indemnity covenants to those facts and events; and, in those cases where the facts and events might support an indemnity claim, whether any legal defenses, counterclaims, other counter-positions, or third-party claims might eliminate or reduce claims against FHN or their impact on FHN. FHN has additional potential exposures related to its former mortgage businesses. A few of those matters have become litigation which FHN currently estimates are immaterial, some are non-litigation claims or threats, some are mere subpoenas or other requests for information, and in some areas FHN has no indication of any active or threatened dispute. Some of those matters might eventually result in loan repurchases or make-whole payments and could be included in the repurchase liability discussed below, and some might eventually result in damages or other litigation-oriented liability, including indemnity payments, but none are included in the material loss contingency liabilities mentioned above or in the RPL range mentioned above. Additional information concerning such exposures is provided below in “Obligations from Legacy Mortgage Businesses.” Matters Related to Capital Bank Financial Transaction Settled As mentioned in Note 10 within Item 1 of FHN’s Quarterly Report on Form 10-Q for the period ended June 30, 2017, (1) on July 14, 2017, a complaint captioned Robert Garfield v. First Horizon National Corporation, et al., No. CH-17-1022, was filed on behalf of a putative class of FHN shareholders against FHN, its directors, and Capital Bank Financial Corp. (“Capital Bank Financial”) in the Court of Chancery of Shelby County, Tennessee (30th Judicial District), in connection with FHN’s agreement to acquire Capital Bank Financial by merger. In addition, Capital Bank Financial and the individual members of the Capital Bank Financial board of directors were named as defendants in three substantially similar putative derivative and class action lawsuits filed by alleged shareholders of Capital Bank Financial; (2) Bushansky v. Capital Bank Financial Corp., et al., No. 3:17-cv-00422 (W.D. North Carolina filed July 17, 2017); (3) Parshall v. Capital Bank Financial Corp., et al., No. 3:17-cv-00428 (W.D. North Carolina filed July 19, 2017); and (4) McNamara v. Capital Bank Financial Corp., et al., No. 3:17-cv-00439 (W.D. North Carolina filed July 25, 2017). The Parshall complaint also named FHN as a defendant. During the third quarter of 2017, those four matters were settled and dismissed. Amounts expended by FHN were not material. Material Gain Contingency Matter In second quarter 2015 FHN reached an agreement with DOJ and HUD to settle potential claims related to FHN’s underwriting and origination of loans insured by FHA. Under that agreement FHN paid $212.5 million . FHN believes that certain insurance policies, having an aggregate policy limit of $75 million , provide coverage for FHN’s losses and related costs. The insurers have denied and/or reserved rights to deny coverage. FHN sued the insurers to enforce the policies under Tennessee law. The trial court granted summary judgment to the defendants, and FHN has appealed. In connection with this litigation FHN seeks to partly recoup previously recognized expenses associated with the settled matter. Under applicable financial accounting guidance FHN has determined that although material gain from this litigation is not probable, there is a reasonably possible (more than remote) chance of a material gain outcome for FHN. FHN cannot determine a probable outcome that may result from this matter because of the uncertainty of the potential outcomes of the legal proceedings and also due to significant uncertainties regarding: legal interpretation of the relevant contracts; potential remedies that might be available or awarded; and the ultimate effect of counterclaims asserted by the defendants. Additional information concerning FHN’s former mortgage businesses is provided below in “Obligations from Legacy Mortgage Businesses.” Obligations from Legacy Mortgage Businesses Loss contingencies mentioned above under “Material Matters” stem from FHN’s former mortgage origination and servicing businesses. FHN retains potential for further exposure, in addition to the matters mentioned, from those former businesses. The following discussion provides context and other information to enhance an understanding of those matters and exposures. Overview Prior to September 2008 FHN originated loans through its legacy mortgage business, primarily first lien home loans, with the intention of selling them. Sales typically were effected either as non-recourse whole-loan sales or through non-recourse proprietary securitizations. Conventional conforming single-family residential mortgage loans were sold predominately to two GSEs: Fannie Mae and Freddie Mac. Also, federally insured or guaranteed whole loans were pooled, and payments to investors were guaranteed through Ginnie Mae. Many mortgage loan originations, especially nonconforming mortgage loans, were sold to investors, or certificate-holders, predominantly through FH proprietary securitizations but also, to a lesser extent, through other whole loans sold to private non-Agency purchasers. FHN used only one trustee for all of its FH proprietary securitizations. FHN also originated mortgage loans eligible for FHA insurance or VA guaranty. In addition, FHN originated and sold HELOCs and second lien mortgages through other whole loans sold to private purchasers and, to a lesser extent, through FH proprietary securitizations. Currently, only one FH securitization of HELOCs remains outstanding. For non-recourse loan sales, FHN has exposure for repurchase of loans, make-whole damages, or other related damages, arising from claims that FHN breached its representations and warranties made at closing to the purchasers, including GSEs, other whole loan purchasers, and the trustee of FH proprietary securitizations. During the time these legacy activities were conducted, FHN frequently sold mortgage loans “with servicing retained.” As a result, FHN accumulated substantial amounts of MSR on its consolidated balance sheet, as well as contractual servicing obligations and related deposits and receivables. FHN conducted a significant servicing business under its First Horizon Home Loans brand. MI was required by GSE rules for certain of the loans sold to GSEs and was also provided for certain of the loans that were securitized. MI generally was provided for first lien loans sold or securitized having an LTV ratio at origination of greater than 80 percent . In 2007, market conditions deteriorated to the point where mortgage-backed securitizations no longer could be sold economically; FHN’s last securitization occurred that year. FHN continued selling mortgage loans to GSEs until August 31, 2008, when FHN sold its national mortgage origination and servicing platforms along with a portion of its servicing assets and obligations. FHN contracted to have its remaining servicing obligations sub-serviced. Since the platform sale FHN has sold substantially all remaining servicing assets and obligations. Certain mortgage-related terms used in this “Contingencies” section are defined in “Mortgage-Related Glossary” at the end of this Overview. Repurchase and Make-Whole Obligations Starting in 2009, FHN received a high number of claims either to repurchase loans from the purchaser or to pay the purchaser to “make them whole” for economic losses incurred. These claims have been driven primarily by loan delinquencies. In repurchase or make-whole claims a loan purchaser typically asserts that specified loans violated representations and warranties FHN made when the loans were sold. A significant majority of claims received overall have come from GSEs, and the remainder are from purchasers of other whole loan sales. FHN has not received a loan repurchase or make-whole claim from the FH proprietary securitization trustee. Generally, FHN reviews each claim and MI cancellation notice individually. FHN’s responses include appeal, provide additional information, deny the claim (rescission), repurchase the loan or remit a make-whole payment, or reflect cancellation of MI. After several years resolving repurchase and make-whole claims with each GSE on a loan-by-loan basis, in 2013 and 2014 FHN entered into DRAs with the GSEs, resolving a large fraction of potential claims. Starting in 2014, the overall number of such claims diminished substantially, primarily as a result of the DRAs. Each DRA resolved obligations associated with loans originated from 2000 to 2008, but certain obligations and loans were excluded. Under each DRA, FHN remains responsible for repurchase obligations related to certain excluded defects (such as title defects and violations of the GSE’s Charter Act) and FHN continues to have loan repurchase or monetary compensation obligations under the DRAs related to private mortgage insurance rescissions, cancellations, and denials (with certain exceptions). FHN also has exposure related to loans where there has been a prior bulk sale of servicing, as well as certain other whole-loan sales. With respect to loans where there has been a prior bulk sale of servicing, FHN is not responsible for MI cancellations and denials to the extent attributable to the acts of the current servicer. While large portions of repurchase claims from the GSEs were settled with the DRAs, comprehensive settlement of repurchase, make-whole, and indemnity claims with non-Agency claimants is not practical. Such claims that are not resolved by the parties can, and sometimes have, become litigation. FH Proprietary Securitization Actions FHN has potential financial exposure from FH proprietary securitizations outside of the repurchase/make-whole process. Several investors in certificates sued FHN and others starting in 2009, and several underwriters or other counterparties have demanded that FHN indemnify and defend them in securitization lawsuits. The pending suits generally assert that disclosures made to investors in the offering and sale of certificates were legally deficient. Servicing Obligations FHN’s national servicing business was sold as part of the platform sale in 2008. A significant amount of MSR was sold at that time, and a significant amount was retained. The related servicing activities, including foreclosure and loss mitigation practices, not sold in 2008 were outsourced through a three-year subservicing arrangement (the “2008 subservicing agreement”) with the platform buyer (the “2008 subservicer”). The 2008 subservicing agreement expired in 2011 when FHN entered into a replacement agreement with a new subservicer (the “2011 subservicer”). In fourth quarter 2013, FHN contracted to sell a substantial majority of its remaining servicing obligations and servicing assets (including advances) to the 2011 subservicer. The servicing was transferred to the buyer in stages, and was substantially completed in first quarter 2014. The servicing still retained by FHN continues to be subserviced. As servicer, FHN had contractual obligations to the owners of the loans (primarily GSEs) and securitization trustees, to handle billing, custodial, and other tasks related to each loan. Each subservicer undertook to perform those obligations on FHN’s behalf during the applicable subservicing period, although FHN legally remained the servicer of record for those loans that were subserviced. The 2008 subservicer has been subject to a consent decree, and entered into a settlement agreement with regulators related to alleged deficiencies in servicing and foreclosure practices. The 2008 subservicer has made demands of FHN, under the 2008 subservicing agreement, to pay certain resulting costs and damages totaling $43.5 million . FHN disagrees with those demands and has made no payments. This disagreement has the potential to result in litigation and, in any such future litigation, the claim against FHN may be substantial. A certificate holder has contacted FHN, claiming that it has been damaged from alleged deficiencies in servicing loans held in certain FH proprietary securitization trusts. The holder has sued the FH securitization trustee on related grounds, but has not yet sued FHN. FHN cannot predict how this matter will proceed nor can FHN predict whether this matter ultimately will be material to FHN. Origination Data From 2005 through 2008, FHN originated and sold $69.5 billion of mortgage loans to the Agencies. This includes $57.6 billion of loans sold to GSEs and $11.9 billion of loans guaranteed by Ginnie Mae. Although FHN conducted these businesses before 2005, GSE loans originated in 2005 through 2008 account for a substantial majority of all repurchase requests/make-whole claims received since the 2008 platform sale. From 2005 through 2007, $26.7 billion of mortgage loans were included in FH proprietary securitizations. The last FH securitization occurred in 2007. Mortgage-Related Glossary Agencies the two GSEs and Ginnie Mae HELOC home equity line of credit certificates securities sold to investors representing interests in mortgage loan securitizations HUD Dept. of Housing and Urban Development DOJ U.S. Department of Justice LTV loan-to-value, a ratio of the loan amount divided by the home value DRA definitive resolution agreement with a GSE MI private mortgage insurance, insuring against borrower payment default Fannie Mae, Fannie, FNMA Federal National Mortgage Association MSR mortgage servicing rights FH proprietary securitization securitization of mortgages sponsored by FHN under its First Horizon brand nonconforming loans loans that did not conform to Agency program requirements FHA Federal Housing Administration other whole loans sold mortgage loans sold to private, non-Agency purchasers Freddie Mac, Freddie, FHLMC Federal Home Loan Mortgage Corporation 2008 platform sale, 2008 sale, platform sale FHN’s sale of its national mortgage origination and servicing platforms in 2008 Ginnie Mae, Ginnie, GNMA Government National Mortgage Association pipeline or active pipeline pipeline of mortgage repurchase, make-whole, & certain related claims against FHN GSEs Fannie Mae and Freddie Mac VA Veterans Administration Repurchase and Foreclosure Liability The repurchase and foreclosure liability is comprised of reserves to cover estimated loss content in the active pipeline, estimated future inflows, as well as estimated loss content related to certain known claims not currently included in the active pipeline. FHN compares the estimated probable incurred losses determined under the applicable loss estimation approaches for the respective periods with current reserve levels. Changes in the estimated required liability levels are recorded as necessary through the repurchase and foreclosure provision. Based on currently available information and experience to date, FHN has evaluated its loan repurchase, make-whole, and certain related exposures and has accrued for losses of $34.6 million and $66.0 million as of September 30, 2017 and December 31, 2016 , respectively, including a smaller amount related to equity-lending junior lien loan sales. Accrued liabilities for FHN’s estimate of these obligations are reflected in Other liabilities on the Consolidated Condensed Statements of Condition. Charges/expense reversals to increase/decrease the liability are included within Repurchase and foreclosure provision/(provision credit) on the Consolidated Condensed Statements of Income. The decline in the repurchase and foreclosure liability since year-end is the result of the settlement of certain repurchase claims. The estimates are based upon currently available information and fact patterns that exist as of the balance sheet dates and could be subject to future changes. Changes to any one of these factors could significantly impact the estimate of FHN’s liability. Other FHN Mortgage Exposures FHN’s FHA and VA program lending was substantial prior to the 2008 platform sale, and has continued at a much lower level since then. As lender, FHN made certain representations and warranties as to the compliance of the loans with program requirements. Over the past several years, most recently in first quarter 2015, FHN occasionally has recognized significant losses associated with settling claims and potential claims by government agencies, and by private parties asserting claims on behalf of agencies, related to these origination activities. At September 30, 2017 , FHN had not accrued a liability for any matter related to these government lending programs, and no pending or known threatened matter related to these programs represented a material loss contingency described above. At September 30, 2017 , FHN had not accrued a liability for exposure for repurchase of first-lien loans related to FH proprietary securitizations arising from claims from the trustee that FHN breached its representations and warranties in FH proprietary securitizations at closing. FHN’s trustee is a defendant in lawsuits in which the plaintiffs have asserted that the trustee has duties to review loans and otherwise to act against FHN outside of the duties specified in the applicable trust documents; FHN is not a defendant and is not able to assess what, if any, exposure FHN may have as a result of them. FHN is defending, directly or as indemnitor, certain pending lawsuits brought by purchasers of certificates in FH proprietary securitizations or their assignees. FHN believes a new lawsuit based on federal securities claims that offering disclosures were deficient cannot be brought at this time due to the running of applicable limitation periods, but other investor claims, based on other legal theories, might still be possible. Due to sales of MSR starting in 2008, FHN has limited visibility into current loan information such as principal payoffs, refinance activity, delinquency trends, and loan modification activity. Many non-GSE purchasers of whole loans from FHN included those loans in their own securitizations. Regarding such other whole loans sold, FHN made representations and warranties concerning the loans and provided indemnity covenants to the purchaser/securitizer. Typically the purchaser/securitizer assigned key contractual rights against FHN to the securitization trustee. As mentioned above, repurchase, make-whole, indemnity, and other monetary claims related to specific loans are included in the active pipeline and repurchase reserve. In addition, currently the following categories of actions are pending which involve FHN and other whole loans sold: (i) FHN has received indemnification requests from purchasers of loans or their assignees in cases where FHN is not a defendant; (ii) FHN has received subpoenas seeking loan reviews in cases where FHN is not a defendant; (iii) FHN has received repurchase, indemnity, and other demands from purchasers or their assignees; and (iv) FHN is a defendant in legal actions involving FHN-originated other whole loans sold, including one of the material matters mentioned above. At September 30, 2017 , FHN’s repurchase and foreclosure liability considered certain known exposures from other whole loans sold. Certain government entities have subpoenaed information from FHN and others. These entities include the FDIC (on behalf of certain failed banks) and the FHLBs of San Francisco, Atlanta, and Seattle, among others. These entities purport to act on behalf of several purchasers of FH proprietary securitizations, and of non-FH securitizations which included other whole loans sold. Collectively, the subpoenas seek information concerning: a number of FH proprietary securitizations and/or underlying loan originations; and originations of certain other whole loans sold which, in many cases, were included by the purchaser in its own securitizations. Some subpoenas fail to identify the specific investments made or loans at issue. Moreover, FHN has limited information regarding at least some of the loans under review. Unless and until a review (if related to specific loans) becomes an identifiable repurchase claim, the associated loans are not considered part of the active pipeline. OTHER DISCLOSURES Visa Matters FHN is a member of the Visa USA network. In October 2007, the Visa organization of affiliated entities completed a series of global restructuring transactions to combine its affiliated operating companies, including Visa USA, under a single holding company, Visa Inc. (“Visa”). Upon completion of the reorganization, the members of the Visa USA network remained contingently liable for certain Visa litigation matters (the “Covered Litigation”). Based on its proportionate membership share of Visa USA, FHN recognized a contingent liability in fourth quarter 2007 related to this contingent obligation. In March 2008, Visa completed its initial public offering (“IPO”) and funded an escrow account from its IPO proceeds to be used to make payments related to the Visa litigation matters. FHN received approximately 2.4 million Class B shares in conjunction with Visa’s IPO. Conversion of these shares into Class A shares of Visa is prohibited until the final resolution of the covered litigation. In conjunction with the prior sales of Visa Class B shares in December 2010 and September 2011, FHN and the purchasers entered into derivative transactions whereby FHN will make, or receive, cash payments whenever the conversion ratio of the Visa Class B shares into Visa Class A shares is adjusted. The conversion ratio is adjusted when Visa deposits funds into the escrow account to cover certain litigation. As of September 30, 2017 and December 31, 2016 , the derivative liabilities were $5.5 million and $6.2 million , respectively. In July 2012, Visa and MasterCard announced a joint settlement (the “Settlement”) related to the Payment Card Interchange matter, one of the Covered Litigation matters. Based on the amount of the Settlement attributable to Visa and an assessment of FHN’s contingent liability accrued for Visa litigation matters, the Settlement did not have a material impact on FHN. The Settlement was vacated upon appeal in June 2016 and the Supreme Court declined to hear the case in March 2017. Accordingly, the outcome of this matter remains uncertain. Additionally, other Covered Litigation matters are also pending judicial resolution. So long as any Covered Litigation matter remains pending, FHN’s ability to transfer its Visa holdings is restricted, with limited exceptions. FHN holds approximately 1.1 million Visa Class B shares. FHN’s Visa shares are not considered to be marketable and therefore are included in the Consolidated Condensed Statements of Condition at their historical cost of $0 . As of September 30, 2017 , the conversion ratio is 165 percent reflecting a Visa stock split in March 2015, and the contingent liability is $.8 million . Future funding of the escrow would dilute this conversion ratio by an amount that is not determinable at present. Based on the closing price on September 30, 2017 , assuming conversion into Class A shares at the current conversion ratio, FHN’s Visa holdings would have a value of approximately $193 million . Recognition of this value is dependent upon the final resolution of the remainder of Visa’s Covered Litigation matters without further reduction of the conversion ratio. Indemnification Agreements and Guarantees In the ordinary course of business, FHN enters into indemnification agreements for legal proceedings against its directors and officers and standard representations and warranties for underwriting agreements, merger and acquisition agreements, loan sales, contractual commitments, and various other business transactions or arrangements. The extent of FHN’s obligations under these agreements depends upon the occurrence of future events; therefore, it is not possible to estimate a maximum potential amount of payouts that could be required by such agreements.

Pension, Savings, And Other Emp

Pension, Savings, And Other Employee Benefits	9 Months Ended
	Sep. 30, 2017
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Pension, Savings, And Other Employee Benefits	Pension, Savings, and Other Employee Benefits Pension plan. FHN sponsors a noncontributory, qualified defined benefit pension plan to employees hired or re-hired on or before September 1, 2007. Pension benefits are based on years of service, average compensation near retirement or other termination, and estimated social security benefits at age 65 . Benefits under the plan are “frozen” so that years of service and compensation changes after 2012 do not affect the benefit owed. Minimum contributions are based upon actuarially determined amounts necessary to fund the total benefit obligation. Decisions to contribute to the plan are based upon pension funding requirements under the Pension Protection Act, the maximum amount deductible under the Internal Revenue Code, the actual performance of plan assets, and trends in the regulatory environment. FHN contributed $165 million to the qualified pension plan in third quarter 2016. The contribution had no effect on FHN’s 2016 Consolidated Statements of Income. FHN did not make any contributions to the qualified pension plan in the nine months ended September 30, 2017. Management does not currently anticipate that FHN will make a contribution to the qualified pension plan for the remainde r of 2017. FHN also maintains non-qualified plans including a supplemental retirement plan that covers certain employees whose benefits under the qualified pension plan have been limited by tax rules. These other non-qualified plans are unfunded, and contributions to these plans cover all benefits paid under the non-qualified plans. Payments made under the non-qualified plans were $5.1 million for 2016 . FHN anticipates making benefit payments under the non-qualified plans of $5.0 million in 2017 . Savings plan. FHN provides all qualifying full-time employees with the opportunity to participate in FHN's tax qualifi ed 401(k) savings plan. The qualified plan allows employees to defer receipt of earned salary, up to tax law limits, on a tax- advantaged basis. Accounts, which are held in trust, may be invested in a wide range of mutual funds and in FHN common stock. Up to tax law limits, FHN provides a 100 percent match for the first 6 percent of salary deferred, with company matching contributions invested according to a participant’s current investment elections. Through a non-qualified savings restoration plan, FHN provides a restorative benefit to certain highly-compensated employees who participate in the savings plan and whose contribution elections are capped by tax limitations. Other employee benefits. FHN provides postretirement life insurance benefits to certain employees and also provides postretirement medical insurance benefits to retirement-eligible employees. The postretirement medical plan is contributory with FHN contributing a fixed amount for certain participants. FHN’s postretirement benefits include certain prescription drug benefits. The components of net periodic benefit cost for the three months ended September 30 are as follows: Pension Benefits Other Benefits (Dollars in thousands) 2017 2016 2017 2016 Components of net periodic benefit cost Service cost $ 9 $ 10 $ 26 $ 28 Interest cost 7,276 7,648 328 335 Expected return on plan assets (9,230 ) (9,797 ) (236 ) (227 ) Amortization of unrecognized: Prior service cost/(credit) 13 48 23 43 Actuarial (gain)/loss 2,380 1,971 (140 ) (143 ) Net periodic benefit cost/(credit) $ 448 $ (120 ) $ 1 $ 36 The components of net periodic benefit cost for the nine months ended September 30 are as follows: Pension Benefits Other Benefits (Dollars in thousands) 2017 2016 2017 2016 Components of net periodic benefit cost Service cost $ 28 $ 30 $ 80 $ 83 Interest cost 22,035 23,412 979 969 Expected return on plan assets (27,011 ) (29,342 ) (710 ) (685 ) Amortization of unrecognized: Prior service cost/(credit) 39 147 71 128 Actuarial (gain)/loss 7,140 6,106 (425 ) (608 ) Net periodic benefit cost/(credit) $ 2,231 $ 353 $ (5 ) $ (113 )

Business Segment Information

Business Segment Information	9 Months Ended
	Sep. 30, 2017
Segment Reporting, Measurement Disclosures [Abstract]
Business Segment Information	Business Segment Information FHN has four business segments: regional banking, fixed income, corporate, and non-strategic. The regional banking segment offers financial products and services, including traditional lending and deposit taking, to consumer and commercial customers in Tennessee and other selected markets. Regional banking also provides investments, financial planning, trust services and asset management, credit card, and cash management. Additionally, the regional banking segment includes correspondent banking which provides credit, depository, and other banking related services to other financial institutions nationally. The fixed income segment consists of fixed income securities sales, trading, and strategies for institutional clients in the U.S. and abroad, as well as loan sales, portfolio advisory services, and derivative sales. The corporate segment consists of unallocated corporate expenses, expense on subordinated debt issuances, bank-owned life insurance, unallocated interest income associated with excess equity, net impact of raising incremental capital, revenue and expense associated with deferred compensation plans, funds management, tax credit investment activities, derivative valuation adjustments related to prior sales of Visa Class B shares, loss on extinguishment of debt, and acquisition- and integration-related costs. The non-strategic segment consists of the wind-down national consumer lending activities, legacy mortgage banking elements including servicing fees, and the associated ancillary revenues and expenses related to these businesses. Non-strategic also includes the wind-down trust preferred loan portfolio and exited businesses. Periodically, FHN adapts its segments to reflect managerial or strategic changes. FHN may also modify its methodology of allocating expenses and equity among segments which could change historical segment results. Business segment revenue, expense, asset, and equity levels reflect those which are specifically identifiable or which are allocated based on an internal allocation method. Because the allocations are based on internally developed assignments and allocations, to an extent they are subjective. Generally, all assignments and allocations have been consistently applied for all periods presented. The following table reflects the amounts of consolidated revenue, expense, tax, and average assets for each segment for the three and nine months ended September 30 : Three Months Ended Nine Months Ended (Dollars in thousands) 2017 2016 2017 2016 Consolidated Net interest income $ 209,817 $ 185,195 $ 600,226 $ 533,533 Provision/(provision credit) for loan losses — 4,000 (3,000 ) 11,000 Noninterest income 112,417 148,545 357,029 428,364 Noninterest expense 236,869 233,558 676,991 687,307 Income/(loss) before income taxes 85,365 96,182 283,264 263,590 Provision/(benefit) for income taxes (a) 13,596 28,547 57,903 82,802 Net income/(loss) $ 71,769 $ 67,635 $ 225,361 $ 180,788 Average assets $ 28,874,827 $ 27,609,702 $ 28,852,679 $ 27,021,137 Three Months Ended Nine Months Ended (Dollars in thousands) 2017 2016 2017 2016 Regional Banking Net interest income $ 209,319 $ 190,508 $ 604,680 $ 541,135 Provision/(provision credit) for loan losses 8,552 8,544 11,910 34,195 Noninterest income 64,369 65,128 188,082 185,679 Noninterest expense 150,464 145,050 451,175 454,970 Income/(loss) before income taxes 114,672 102,042 329,677 237,649 Provision/(benefit) for income taxes 41,267 37,027 118,986 84,736 Net income/(loss) $ 73,405 $ 65,015 $ 210,691 $ 152,913 Average assets $ 19,158,458 $ 17,582,899 $ 18,519,584 $ 16,704,462 Fixed Income Net interest income $ 5,979 $ 2,411 $ 12,109 $ 8,224 Noninterest income 55,802 72,073 161,829 217,278 Noninterest expense 53,105 59,423 155,791 180,850 Income/(loss) before income taxes 8,676 15,061 18,147 44,652 Provision/(benefit) for income taxes 2,979 5,518 5,949 16,195 Net income/(loss) $ 5,697 $ 9,543 $ 12,198 $ 28,457 Average assets $ 2,586,997 $ 2,305,986 $ 2,388,984 $ 2,348,640 Corporate Net interest income/(expense) $ (13,990 ) $ (18,193 ) $ (43,060 ) $ (48,401 ) Noninterest income (b) (9,477 ) 5,134 2,217 15,766 Noninterest expense 23,935 14,929 65,390 44,320 Income/(loss) before income taxes (47,402 ) (27,988 ) (106,233 ) (76,955 ) Provision/(benefit) for income taxes (a) (34,255 ) (16,736 ) (83,019 ) (40,695 ) Net income/(loss) $ (13,147 ) $ (11,252 ) $ (23,214 ) $ (36,260 ) Average assets $ 5,698,161 $ 5,880,268 $ 6,421,890 $ 6,024,736 Non-Strategic Net interest income $ 8,509 $ 10,469 $ 26,497 $ 32,575 Provision/(provision credit) for loan losses (8,552 ) (4,544 ) (14,910 ) (23,195 ) Noninterest income 1,723 6,210 4,901 9,641 Noninterest expense 9,365 14,156 4,635 7,167 Income/(loss) before income taxes 9,419 7,067 41,673 58,244 Provision/(benefit) for income taxes 3,605 2,738 15,987 22,566 Net income/(loss) $ 5,814 $ 4,329 $ 25,686 $ 35,678 Average assets $ 1,431,211 $ 1,840,549 $ 1,522,221 $ 1,943,299 Certain previously reported amounts have been reclassified to agree with current presentation. (a) Provision/(benefit) for income taxes for consolidated results and the Corporate segment for the three and nine months ended September 30, 2017, relative to the prior year periods, was affected by a decline in the effective tax rate in 2017 primarily related to the reversal of the valuation allowance for the deferred tax asset related to its 2012 federal capital loss carryforward based on capital gain transactions initiated in second quarter 2017. See Note 15 – Income Taxes in the Notes to Consolidated Financial Statements on FHN’s Form 10-K for the year ended December 31, 2016, for additional information related to FHN's valuation allowance related to its capital loss carryforward. (b) Three and nine months ended September 30, 2017 includes a $ 14.3 million pre-tax loss from the repurchase of equity securities previously included in a financing transaction.

Variable Interest Entities

Variable Interest Entities	9 Months Ended
	Sep. 30, 2017
Variable Interest Entities [Abstract]
Variable Interest Entities	Variable Interest Entities ASC 810 defines a VIE as a legal entity where (a) the equity investors, as a group, lack sufficient equity at risk for the entity to finance its activities without additional subordinated financial support, (b) the equity investors, as a group, lack either, (1) the power through voting rights, or similar rights, to direct the activities of an entity that most significantly impact the entity’s economic performance, (2) the obligation to absorb the expected losses of the entity, or (3) the right to receive the expected residual returns of the entity, or (c) the entity is structured with non-substantive voting rights. A variable interest is a contractual ownership or other interest that fluctuates with changes in the fair value of the VIE’s net assets exclusive of variable interests. Under ASC 810, as amended, a primary beneficiary is required to consolidate a VIE when it has a variable interest in a VIE that provides it with a controlling financial interest. For such purposes, the determination of whether a controlling financial interest exists is based on whether a single party has both the power to direct the activities of the VIE that most significantly impact the VIE’s economic performance and the obligation to absorb losses of the VIE or the right to receive benefits from the VIE that could potentially be significant. Consolidated Variable Interest Entities FHN holds variable interests in a proprietary HELOC securitization trust it established as a source of liquidity for consumer lending operations. Based on its restrictive nature, the trust is considered a VIE as the holders of equity at risk do not have the power through voting rights or similar rights to direct the activities that most significantly impact the trust’s economic performance. The retention of mortgage service rights ("MSR") and a residual interest results in FHN potentially absorbing losses or receiving benefits that are significant to the trust. FHN is considered the primary beneficiary, as it is assumed to have the power, as Master Servicer, to most significantly impact the activities of the VIE. Consolidation of the trust results in the recognition of the trust proceeds as restricted borrowings since the cash flows on the securitized loans can only be used to settle the obligations due to the holders of trust securities. Through first quarter 2016 the trust experienced a rapid amortization period and FHN was obligated to provide subordinated funding. During the period, cash payments from borrowers were accumulated to repay outstanding debt securities while FHN continued to make advances to borrowers when they drew on their lines of credit. FHN then transferred the newly generated receivables into the securitization trust. FHN is reimbursed for these advances only after other parties in the securitization have received all of the cash flows to which they are entitled. If loan losses requiring draws on the related monoline insurers’ policies (which protect bondholders in the securitization) exceed a certain level, FHN may not receive reimbursement for all of the funds advanced to borrowers, as the senior bondholders and the monoline insurers typically have priority for repayment. Amounts funded from monoline insurance policies are considered restricted term borrowings in FHN’s Consolidated Condensed Statements of Condition. Except for recourse due to breaches of representations and warranties made by FHN in connection with the sale of the loans to the trust, the creditors of the trust hold no recourse to the assets of FHN. FHN has established certain rabbi trusts related to deferred compensation plans offered to its employees. FHN contributes employee cash compensation deferrals to the trusts and directs the underlying investments made by the trusts. The assets of these trusts are available to FHN’s creditors only in the event that FHN becomes insolvent. These trusts are considered VIEs as there is no equity at risk in the trusts since FHN provided the equity interest to its employees in exchange for services rendered. FHN is considered the primary beneficiary of the rabbi trusts as it has the power to direct the activities that most significantly impact the economic performance of the rabbi trusts through its ability to direct the underlying investments made by the trusts. Additionally, FHN could potentially receive benefits or absorb losses that are significant to the trusts due to its right to receive any asset values in excess of liability payoffs and its obligation to fund any liabilities to employees that are in excess of a rabbi trust’s assets. The following table summarizes VIEs consolidated by FHN as of September 30, 2017 and December 31, 2016 : September 30, 2017 December 31, 2016 On-Balance Sheet Consumer Loan Securitization Rabbi Trusts Used for Deferred Compensation Plans On-Balance Sheet Consumer Loan Securitization Rabbi Trusts Used for Deferred Compensation Plans ( Dollars in thousands ) Carrying Value Carrying Value Carrying Value Carrying Value Assets: Cash and due from banks $ — N/A $ — N/A Loans, net of unearned income 26,210 N/A 35,873 N/A Less: Allowance for loan losses — N/A 587 N/A Total net loans 26,210 N/A 35,286 N/A Other assets 47 $ 77,997 283 $ 74,160 Total assets $ 26,257 $ 77,997 $ 35,569 $ 74,160 Liabilities: Term borrowings $ 13,354 N/A $ 23,126 N/A Other liabilities 3 $ 58,785 3 $ 54,746 Total liabilities $ 13,357 $ 58,785 $ 23,129 $ 54,746 Nonconsolidated Variable Interest Entities Low Income Housing Partnerships. First Tennessee Housing Corporation (“FTHC”), a wholly-owned subsidiary of FTBNA, makes equity investments as a limited partner in various partnerships that sponsor affordable housing projects utilizing the Low Income Housing Tax Credit (“LIHTC”) pursuant to Section 42 of the Internal Revenue Code. The purpose of these investments is to achieve a satisfactory return on capital and to support FHN’s community reinvestment initiatives. The activities of the limited partnerships include the identification, development, and operation of multi-family housing units that are leased to qualifying residential tenants generally within FHN’s primary geographic region. LIHTC partnerships are considered VIEs as FTHC, the holder of the equity investment at risk, does not have the ability to direct the activities that most significantly affect the performance of the entity through voting rights or similar rights. FTHC could absorb losses that are significant to the LIHTC partnerships as it has a risk of loss for its capital contributions and funding commitments to each partnership. The general partners are considered the primary beneficiaries as managerial functions give them the power to direct the activities that most significantly impact the entities’ economic performance and the managing members are exposed to all losses beyond FTHC’s initial capital contributions and funding commitments. FHN accounts for all qualifying LIHTC investments under the proportional amortization method. Under this method an entity amortizes the initial cost of the investment in proportion to the tax credits and other tax benefits received and recognizes the net investment performance in the income statement as a component of income tax expense/(benefit). LIHTC investments that do not qualify for the proportional amortization method are accounted for using the equity method. Expenses associated with these investments were not significant for the three and nine months ended September 30, 2017 and 2016 . The following table summarizes the impact to the Provision/(benefit) for income taxes on the Consolidated Condensed Statements of Income for the three and nine months ended September 30, 2017 , and 2016 for LIHTC investments accounted for under the proportional amortization method. Three Months Ended Nine Months Ended ( Dollars in thousands ) 2017 2016 2017 2016 Provision/(benefit) for income taxes: Amortization of qualifying LIHTC investments $ 3,774 $ 5,445 $ 8,414 $ 10,073 Low income housing tax credits (3,103 ) (2,615 ) (8,101 ) (7,672 ) Other tax benefits related to qualifying LIHTC investments (2,478 ) (6,131 ) (4,307 ) (8,310 ) Other Tax Credit Investments. First Tennessee New Markets Corporation (“FTNMC”), a wholly-owned subsidiary of FTBNA, makes equity investments through wholly-owned subsidiaries as a non-managing member in various limited liability companies (“LLCs”) that sponsor community development projects utilizing the New Market Tax Credit (“NMTC”) pursuant to Section 45 of the Internal Revenue Code. The purpose of these investments is to achieve a satisfactory return on capital and to support FHN’s community reinvestment initiatives. The activities of the LLCs include providing investment capital for low-income communities within FHN’s primary geographic region. A portion of the funding of FTNMC’s investment in a NMTC LLC is obtained via a loan from an unrelated third-party that is typically a community development enterprise. The NMTC LLCs are considered VIEs as FTNMC, the holder of the equity investment at risk, does not have the ability to direct the activities that most significantly affect the performance of the entity through voting rights or similar rights. While FTNMC could absorb losses that are significant to the NMTC LLCs as it has a risk of loss for its initial capital contributions, the managing members are considered the primary beneficiaries as managerial functions give them the power to direct the activities that most significantly impact the NMTC LLCs’ economic performance and the managing members are exposed to all losses beyond FTNMC’s initial capital contributions. FTHC also makes equity investments as a limited partner or non-managing member in entities that receive Historic Tax Credits pursuant to Section 47 of the Internal Revenue Code. The purpose of these entities is the rehabilitation of historic buildings with the tax credits provided to incent private investment in the historic cores of cities and towns. These entities are considered VIEs as FTHC, the holder of the equity investment at risk, does not have the ability to direct the activities that most significantly affect the performance of the entity through voting rights or similar rights. FTHC could absorb losses that are significant to the entities as it has a risk of loss for its capital contributions and funding commitments to each partnership. The managing members are considered the primary beneficiaries as managerial functions give them the power to direct the activities that most significantly impact the entities’ economic performance and the managing members are exposed to all losses beyond FTHC’s initial capital contributions and funding commitments. Small Issuer Trust Preferred Holdings . FTBNA holds variable interests in trusts which have issued mandatorily redeemable preferred capital securities (“trust preferreds”) for smaller banking and insurance enterprises. FTBNA has no voting rights for the trusts’ activities. The trusts’ only assets are junior subordinated debentures of the issuing enterprises. The creditors of the trusts hold no recourse to the assets of FTBNA. These trusts meet the definition of a VIE as the holders of the equity investment at risk do not have the power through voting rights, or similar rights, to direct the activities that most significantly impact the trusts’ economic performance. Based on the nature of the trusts’ activities and the size of FTBNA’s holdings, FTBNA could potentially receive benefits or absorb losses that are significant to the trusts regardless of whether a majority of a trust’s securities are held by FTBNA. However, since FTBNA is solely a holder of the trusts’ securities, it has no rights which would give it the power to direct the activities that most significantly impact the trusts’ economic performance and thus it is not considered the primary beneficiary of the trusts. FTBNA has no contractual requirements to provide financial support to the trusts. On-Balance Sheet Trust Preferred Securitization. In 2007, FTBNA executed a securitization of certain small issuer trust preferreds for which the underlying trust meets the definition of a VIE as the holders of the equity investment at risk do not have the power through voting rights, or similar rights, to direct the activities that most significantly impact the entity’s economic performance. FTBNA could potentially receive benefits or absorb losses that are significant to the trust based on the size and priority of the interests it retained in the securities issued by the trust. However, since FTBNA did not retain servicing or other decision making rights, FTBNA is not the primary beneficiary as it does not have the power to direct the activities that most significantly impact the trust’s economic performance. Accordingly, FTBNA has accounted for the funds received through the securitization as a term borrowing in its Consolidated Condensed Statements of Condition. FTBNA has no contractual requirements to provide financial support to the trust. Proprietary Residential Mortgage Securitizations. FHN holds variable interests (primarily principal-only strips) in proprietary residential mortgage securitization trusts it established prior to 2008 as a source of liquidity for its mortgage banking operations. Prior to fourth quarter 2016 these interests included MSR and interest-only strips. Except for recourse due to breaches of representations and warranties made by FHN in connection with the sale of the loans to the trusts, the creditors of the trusts hold no recourse to the assets of FHN. Additionally, FHN has no contractual requirements to provide financial support to the trusts. Based on their restrictive nature, the trusts are considered VIEs as the holders of equity at risk do not have the power through voting rights, or similar rights, to direct the activities that most significantly impact the trusts’ economic performance. While it held MSR, FHN was assumed to have the power as servicer to most significantly impact the activities of such VIEs. However, in situations where FHN did not have the ability to participate in significant portions of a securitization trust’s cash flows, FHN was not considered the primary beneficiary of the trust. Therefore, these trusts were not consolidated by FHN. Holdings in Agency Mortgage-Backed Securities. FHN holds securities issued by various Agency securitization trusts. Based on their restrictive nature, the trusts meet the definition of a VIE since the holders of the equity investments at risk do not have the power through voting rights, or similar rights, to direct the activities that most significantly impact the entities’ economic performance. FHN could potentially receive benefits or absorb losses that are significant to the trusts based on the nature of the trusts’ activities and the size of FHN’s holdings. However, FHN is solely a holder of the trusts’ securities and does not have the power to direct the activities that most significantly impact the trusts’ economic performance, and is not considered the primary beneficiary of the trusts. FHN has no contractual requirements to provide financial support to the trusts. Commercial Loan Troubled Debt Restructurings. For certain troubled commercial loans, FTBNA restructures the terms of the borrower’s debt in an effort to increase the probability of receipt of amounts contractually due. Following a troubled debt restructuring, the borrower entity typically meets the definition of a VIE as the initial determination of whether an entity is a VIE must be reconsidered as events have proven that the entity’s equity is not sufficient to permit it to finance its activities without additional subordinated financial support or a restructuring of the terms of its financing. As FTBNA does not have the power to direct the activities that most significantly impact such troubled commercial borrowers’ operations, it is not considered the primary beneficiary even in situations where, based on the size of the financing provided, FTBNA is exposed to potentially significant benefits and losses of the borrowing entity. FTBNA has no contractual requirements to provide financial support to the borrowing entities beyond certain funding commitments established upon restructuring of the terms of the debt that allows for preparation of the underlying collateral for sale. Sale Leaseback Transaction . FTB has entered into an agreement with a single asset leasing entity for the sale and leaseback of an office building. In conjunction with this transaction, FTB loaned funds to a related party of the buyer that were used for the purchase price of the building. FTB also entered into a construction loan agreement with the single asset entity for renovation of the building. Since this transaction did not qualify as a sale, it is being accounted for using the deposit method which creates a net asset or liability for all cash flows between FTB and the buyer. The buyer-lessor in this transaction meets the definition of a VIE as it does not have sufficient equity at risk since FTB is providing the funding for the purchase and renovation. A related party of the buyer-lessor has the power to direct the activities that most significantly impact the operations and could potentially receive benefits or absorb losses that are significant to the transactions, making it the primary beneficiary. Therefore, FTB does not consolidate the leasing entity. The following table summarizes FHN’s nonconsolidated VIEs as of September 30, 2017 : (Dollars in thousands) Maximum Loss Exposure Liability Recognized Classification Type Low income housing partnerships $ 96,007 $ 34,236 (a) Other tax credit investments (b) (c) 20,444 — Other assets Small issuer trust preferred holdings (d) 332,873 — Loans, net of unearned income On-balance sheet trust preferred securitization 48,902 65,272 (e) Proprietary residential mortgage securitizations 2,300 — Trading securities Holdings of agency mortgage-backed securities (d) 4,173,080 — (f) Commercial loan troubled debt restructurings (g) 21,763 — Loans, net of unearned income Sale-leaseback transaction 14,827 — (h) (a) Maximum loss exposure represents $61.8 million of current investments and $34.2 million of accrued contractual funding commitments. Accrued funding commitments represent unconditional contractual obligations for future funding events, and are also recognized in Other liabilities. FHN currently expects to be required to fund these accrued commitments by the end of 2020. (b) A liability is not recognized as investments are written down over the life of the related tax credit. (c) Maximum loss exposure represents current investment balance. Of the initial investment, $18.0 million was funded through loans from community development enterprises. (d) Maximum loss exposure represents the value of current investments. A liability is not recognized as FHN is solely a holder of the trusts’ securities. (e) Includes $112.5 million classified as Loans, net of unearned income, and $1.7 million classified as Trading securities which are offset by $65.3 million classified as Term borrowings. (f) Includes $.4 billion classified as Trading securities and $3.8 billion classified as Securities available-for-sale. (g) Maximum loss exposure represents $21.1 million of current receivables and $.6 million of contractual funding commitments on loans related to commercial borrowers involved in a troubled debt restructuring. (h) Maximum loss exposure represents the current loan balance plus additional funding commitments less amounts received from the buyer-lessor. The following table summarizes FHN’s nonconsolidated VIEs as of December 31, 2016 : (Dollars in thousands) Maximum Loss Exposure Liability Recognized Classification Type Low income housing partnerships $ 73,582 $ 17,398 (a) Other tax credit investments (b) (c) 21,898 — Other assets Small issuer trust preferred holdings (d) 332,985 — Loans, net of unearned income On-balance sheet trust preferred securitization 49,361 64,812 (e) Proprietary residential mortgage securitizations 2,568 — Trading securities Holdings of agency mortgage-backed securities (d) 4,163,313 — (f) Commercial loan troubled debt restructurings (g) 42,696 — Loans, net of unearned income Sale-leaseback transaction 11,827 — (h) (a) Maximum loss exposure represents $56.2 million of current investments and $17.4 million of accrued contractual funding commitments. Accrued funding commitments represent unconditional contractual obligations for future funding events, and are also recognized in Other liabilities. FHN currently expects to be required to fund these accrued commitments by the end of 2017. (b) A liability is not recognized as investments are written down over the life of the related tax credit. (c) Maximum loss exposure represents current investment balance. Of the initial investment, $18.0 million was funded through loans from community development enterprises. (d) Maximum loss exposure represents the value of current investments. A liability is not recognized as FHN is solely a holder of the trusts’ securities. (e) Includes $112.5 million classified as Loans, net of unearned income, and $1.7 million classified as Trading securities which are offset by $64.8 million classified as Term borrowings. (f) Includes $.4 billion classified as Trading securities and $3.8 billion classified as Securities available-for-sale. (g) Maximum loss exposure represents $37.5 million of current receivables and $5.2 million of contractual funding commitments on loans related to commercial borrowers involved in a troubled debt restructuring. (h) Maximum loss exposure represents the current loan balance plus additional funding commitments less amounts received from the buyer-lessor.

Derivatives

Derivatives	9 Months Ended
	Sep. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives	Derivatives In the normal course of business, FHN utilizes various financial instruments (including derivative contracts and credit-related agreements) through its fixed income and risk management operations, as part of its risk management strategy and as a means to meet customers’ needs. Derivative instruments are subject to credit and market risks in excess of the amount recorded on the balance sheet as required by GAAP. The contractual or notional amounts of these financial instruments do not necessarily represent the amount of credit or market risk. However, they can be used to measure the extent of involvement in various types of financial instruments. Controls and monitoring procedures for these instruments have been established and are routinely reevaluated. The Asset/Liability Committee (“ALCO”) controls, coordinates, and monitors the usage and effectiveness of these financial instruments. Credit risk represents the potential loss that may occur if a party to a transaction fails to perform according to the terms of the contract. The measure of credit exposure is the replacement cost of contracts with a positive fair value. FHN manages credit risk by entering into financial instrument transactions through national exchanges, primary dealers or approved counterparties, and by using mutual margining and master netting agreements whenever possible to limit potential exposure. FHN also maintains collateral posting requirements with certain counterparties to limit credit risk. Commencing in first quarter 2017, a central clearinghouse revised the treatment of daily margin posted or received from collateral to legal settlements of the related derivative contracts. This change resulted in a reduction in derivative assets and liabilities and corresponding reductions in collateral posted and received as these amounts are now presented net by contract in the Consolidated Condensed Statements of Condition. This change has no effect on hedge accounting or gains/losses for the applicable derivative contracts. On September 30, 2017 and December 31, 2016 , respectively, FHN had $34.5 million and $47.8 million of cash receivables and $28.2 million and $32.8 million of cash payables related to collateral posting under master netting arrangements, inclusive of collateral posted related to contracts with adjustable collateral posting thresholds and over-collateralized positions, with derivative counterparties. With exchange-traded contracts, the credit risk is limited to the clearinghouse used. For non-exchange traded instruments, credit risk may occur when there is a gain in the fair value of the financial instrument and the counterparty fails to perform according to the terms of the contract and/or when the collateral proves to be of insufficient value. See additional discussion regarding master netting agreements and collateral posting requirements later in this note under the heading “Master Netting and Similar Agreements.” Market risk represents the potential loss due to the decrease in the value of a financial instrument caused primarily by changes in interest rates or the prices of debt instruments. FHN manages market risk by establishing and monitoring limits on the types and degree of risk that may be undertaken. FHN continually measures this risk through the use of models that measure value-at-risk and earnings-at-risk. Derivative Instruments. FHN enters into various derivative contracts both in a dealer capacity to facilitate customer transactions and as a risk management tool. Where contracts have been created for customers, FHN enters into upstream transactions with dealers to offset its risk exposure. Contracts with dealers that require central clearing are novated to a clearing agent who becomes FHN’s counterparty. Derivatives are also used as a risk management tool to hedge FHN’s exposure to changes in interest rates or other defined market risks. Forward contracts are over-the-counter contracts where two parties agree to purchase and sell a specific quantity of a financial instrument at a specified price, with delivery or settlement at a specified date. Futures contracts are exchange-traded contracts where two parties agree to purchase and sell a specific quantity of a financial instrument at a specified price, with delivery or settlement at a specified date. Interest rate option contracts give the purchaser the right, but not the obligation, to buy or sell a specified quantity of a financial instrument, at a specified price, during a specified period of time. Caps and floors are options that are linked to a notional principal amount and an underlying indexed interest rate. Interest rate swaps involve the exchange of interest payments at specified intervals between two parties without the exchange of any underlying principal. Swaptions are options on interest rate swaps that give the purchaser the right, but not the obligation, to enter into an interest rate swap agreement during a specified period of time. Trading Activities FHN’s fixed income segment trades U.S. Treasury, U.S. Agency, government-guaranteed loan, mortgage-backed, corporate and municipal fixed income securities, and other securities for distribution to customers. When these securities settle on a delayed basis, they are considered forward contracts. Fixed income also enters into interest rate contracts, including caps, swaps, and floors, for its customers. In addition, fixed income enters into futures and option contracts to economically hedge interest rate risk associated with a portion of its securities inventory. These transactions are measured at fair value, with changes in fair value recognized currently in fixed income noninterest income. Related assets and liabilities are recorded on the Consolidated Condensed Statements of Condition as Derivative assets and Derivative liabilities. The FTN Financial Risk Committee and the Credit Risk Management Committee collaborate to mitigate credit risk related to these transactions. Credit risk is controlled through credit approvals, risk control limits, and ongoing monitoring procedures. Total trading revenues were $45.0 million and $59.0 million for the three months ended September 30, 2017 and 2016 , respectively, and $133.3 million and $185.9 million for the nine months ended September 30, 2017 and 2016 , respectively. Trading revenues are inclusive of both derivative and non-derivative financial instruments, and are included in fixed income noninterest income. The following tables summarize FHN’s derivatives associated with fixed income trading activities as of September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) Notional Assets Liabilities Customer Interest Rate Contracts $ 1,954,439 $ 30,564 $ 12,256 Offsetting Upstream Interest Rate Contracts 1,954,439 12,119 28,012 Option Contracts Purchased 40,000 69 — Forwards and Futures Purchased 4,506,883 3,648 5,296 Forwards and Futures Sold 4,499,160 6,355 2,331 December 31, 2016 (Dollars in thousands) Notional Assets Liabilities Customer Interest Rate Contracts $ 1,697,992 $ 39,495 $ 14,996 Offsetting Upstream Interest Rate Contracts 1,697,992 14,996 39,495 Option Contracts Purchased 17,500 63 — Option Contracts Written 5,000 — 8 Forwards and Futures Purchased 2,916,750 6,257 26,659 Forwards and Futures Sold 3,085,396 27,330 6,615 Interest Rate Risk Management FHN’s ALCO focuses on managing market risk by controlling and limiting earnings volatility attributable to changes in interest rates. Interest rate risk exists to the extent that interest-earning assets and interest-bearing liabilities have different maturity or repricing characteristics. FHN uses derivatives, primarily swaps, that are designed to moderate the impact on earnings as interest rates change. Interest paid or received for swaps utilized by FHN to hedge the fair value of long term debt is recognized as an adjustment of the interest expense of the liabilities whose risk is being managed. FHN’s interest rate risk management policy is to use derivatives to hedge interest rate risk or market value of assets or liabilities, not to speculate. In addition, FHN has entered into certain interest rate swaps and caps as a part of a product offering to commercial customers that includes customer derivatives paired with upstream offsetting market instruments that, when completed, are designed to mitigate interest rate risk. These contracts do not qualify for hedge accounting and are measured at fair value with gains or losses included in current earnings in Noninterest expense on the Consolidated Condensed Statements of Income. FHN has designated a derivative transaction in a hedging strategy to manage interest rate risk on $400.0 million of senior debt issued by FTBNA which matures in December 2019. This qualifies for hedge accounting under ASC 815-20 using the long-haul method. FHN entered into a pay floating, receive fixed interest rate swap to hedge the interest rate risk of the senior debt. The balance sheet impact of this swap was $.2 million in Derivative liabilities as of September 30, 2017 and $1.6 million in Derivative assets as of December 31, 2016 . There was an insignificant level of ineffectiveness related to this hedge. FHN has designated a derivative transaction in a hedging strategy to manage interest rate risk on $500.0 million of senior debt which matures in December 2020. This qualifies for hedge accounting under ASC 815-20 using the long-haul method. FHN entered into a pay floating, receive fixed interest rate swap to hedge the interest rate risk of the senior debt. The balance sheet impact of this swap was $.6 million and $7.3 million in Derivative liabilities as of September 30, 2017 and December 31, 2016 , respectively. There was an insignificant level of ineffectiveness related to this hedge. The following tables summarize FHN’s derivatives associated with interest rate risk management activities as of September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) Notional Assets Liabilities Customer Interest Rate Contracts Hedging Hedging Instruments and Hedged Items: Customer Interest Rate Contracts $ 1,540,036 $ 16,607 $ 12,675 Offsetting Upstream Interest Rate Contracts 1,540,036 11,612 15,350 Debt Hedging Hedging Instruments: Interest Rate Swaps $ 900,000 N/A $ 779 Hedged Items: Term Borrowings N/A N/A $ 900,000 (a) December 31, 2016 (Dollars in thousands) Notional Assets Liabilities Customer Interest Rate Contracts Hedging Hedging Instruments and Hedged Items: Customer Interest Rate Contracts $ 1,357,920 $ 17,566 $ 14,277 Offsetting Upstream Interest Rate Contracts 1,357,920 14,277 18,066 Debt Hedging Hedging Instruments: Interest Rate Swaps $ 900,000 $ 1,628 $ 7,276 Hedged Items: Term Borrowings N/A N/A $ 900,000 (a) (a) Represents par value of term borrowings being hedged. The following table summarizes gains/(losses) on FHN’s derivatives associated with interest rate risk management activities for the three and nine months ended September 30, 2017 and 2016 : Three Months Ended Nine Months Ended 2017 2016 2017 2016 (Dollars in thousands) Gains/(Losses) Gains/(Losses) Gains/(Losses) Gains/(Losses) Customer Interest Rate Contracts Hedging Hedging Instruments and Hedged Items: Customer Interest Rate Contracts (a) $ (180 ) $ (1,964 ) 643 18,749 Offsetting Upstream Interest Rate Contracts (a) 180 1,964 (643 ) (18,749 ) Debt Hedging Hedging Instruments: Interest Rate Swaps (a) $ (966 ) $ (7,254 ) $ (1,958 ) $ 19,352 Hedged Items: Term Borrowings (a) (b) 941 7,152 1,870 (19,059 ) (a) Gains/losses included in the All other expense section of the Consolidated Condensed Statements of Income. (b) Represents gains and losses attributable to changes in fair value due to interest rate risk as designated in ASC 815-20 hedging relationships. In first quarter 2016, FHN entered into a pay floating, receive fixed interest rate swap in a hedging strategy to manage its exposure to the variability in cash flows related to the interest payments for the following five years on $250 million principal of debt instruments, which primarily consist of held-to-maturity trust preferred loans that have variable interest payments based on 3-month LIBOR. In first quarter 2017, FHN initiated cash flow hedges of $650 million notional amount that have durations between three and seven years. The debt instruments primarily consist of held-to-maturity commercial loans that have variable interest payments based on 1-month LIBOR. These qualify for hedge accounting as cash flow hedges under ASC 815-20. Changes in the fair value of these derivatives are recorded as a component of AOCI, to the extent that the hedging relationships are effective. Amounts are reclassified from AOCI to earnings as the hedged cash flows affect earnings. FTB measures the ineffectiveness using the Hypothetical Derivative Method. AOCI is adjusted to an amount that reflects the lesser of either the cumulative change in fair value of the swaps or the cumulative change in the fair value of the hypothetical derivative instruments. To the extent that any ineffectiveness exists in the hedge relationships, the amounts are recorded in current period earnings. Interest paid or received for these swaps is recognized as an adjustment to interest income of the assets whose cash flows are being hedged. The following tables summarize FHN’s derivative activities associated with cash flow hedges as of September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) Notional Assets Liabilities Cash Flow Hedges Hedging Instruments: Interest Rate Swaps $ 900,000 N/A $ 916 Hedged Items: Variability in Cash Flows Related to Debt Instruments (Primarily Loans) N/A $ 900,000 N/A December 31, 2016 (Dollars in thousands) Notional Assets Liabilities Cash Flow Hedges Hedging Instruments: Interest Rate Swaps $ 250,000 N/A $ 2,045 Hedged Items: Variability in Cash Flows Related to Debt Instruments (Primarily Loans) N/A $ 250,000 N/A The following table summarizes gains/(losses) on FHN’s derivatives associated with cash flow hedges for the three and nine months ended September 30, 2017 and 2016 : Three Months Ended Nine Months Ended 2017 2016 2017 2016 (Dollars in thousands) Gains/(Losses) Gains/(Losses) Gains/(Losses) Gains/(Losses) Cash Flow Hedges Hedging Instruments: Interest Rate Swaps (a) (b) $ (1,190 ) $ (2,545 ) $ (800 ) $ 5,061 Hedged Items: Variability in Cash Flows Related to Debt Instruments (Primarily Loans) N/A N/A N/A N/A (a) Amount represents the pre-tax gains/(losses) included within AOCI. (b) Includes approximately $1.2 million of losses expected to be reclassified into earnings in the next twelve months. Prior to third quarter 2017, FHN hedged held-to-maturity trust preferred loans which had an initial fixed rate term before conversion to a floating rate. FHN had entered into pay fixed, receive floating interest rate swaps to hedge the interest rate risk associated with the initial term. Interest paid or received for these swaps was recognized as an adjustment of the interest income of the assets whose risk was being hedged. Basis adjustments remaining at the end of the hedge term were amortized as an adjustment to interest income over the remaining life of the loans.Gains or losses were included in Other income and commissions on the Consolidated Condensed Statements of Income. These hedges expired in third quarter 2017. The following table summarizes FHN’s derivative activities associated with held-to-maturity trust preferred loans as of December 31, 2016 : December 31, 2016 (Dollars in thousands) Notional Assets Liabilities Loan Portfolio Hedging Hedging Instruments: Interest Rate Swaps $ 6,500 N/A $ 208 Hedged Items: Trust Preferred Loans (a) N/A $ 6,500 (b) N/A (a) Assets included in the Loans, net of unearned income section of the Consolidated Condensed Statements of Condition. (b) Represents principal balance being hedged. The following table summarizes gains/(losses) on FHN’s derivatives associated with held-to-maturity trust preferred loans for the three and nine months ended September 30, 2016 : September 30, 2016 Three Months Ended Nine Months Ended (Dollars in thousands) Gains/(Losses) Gains/(Losses) Loan Portfolio Hedging Hedging Instruments: Interest Rate Swaps $ 93 $ 201 Hedged Items: Trust Preferred Loans (a) $ (92 ) $ (199 ) (a) Represents gains and losses attributable to changes in fair value due to interest rate risk as designated in ASC 815-20 hedging relationships. Other Derivatives In conjunction with the sales of a portion of its Visa Class B shares, FHN and the purchaser entered into derivative transactions whereby FHN will make or receive cash payments whenever the conversion ratio of the Visa Class B shares into Visa Class A shares is adjusted. As of September 30, 2017 and December 31, 2016 , the derivative liabilities associated with the sales of Visa Class B shares were $5.5 million and $6.2 million , respectively. See the Visa Matters section of Note 10 – Contingencies and Other Disclosures for more information regarding FHN’s Visa shares. FHN utilizes cross currency swaps and cross currency interest rate swaps to economically hedge its exposure to foreign currency risk and interest rate risk associated with non-U.S. dollar denominated loans. As of September 30, 2017 and December 31, 2016 , these loans were valued at $1.3 million and $3.8 million , respectively. The balance sheet amount and the gains/losses associated with these derivatives were not significant. Master Netting and Similar Agreements As previously discussed, FHN uses master netting agreements, mutual margining agreements and collateral posting requirements to minimize credit risk on derivative contracts. Master netting and similar agreements are used when counterparties have multiple derivatives contracts that allow for a “right of setoff,” meaning that a counterparty may net offsetting positions and collateral with the same counterparty under the contract to determine a net receivable or payable. The following discussion provides an overview of these arrangements which may vary due to the derivative type and market in which a derivative transaction is executed. Interest rate derivatives are subject to agreements consistent with standard agreement forms of the International Swap and Derivatives Association (“ISDA”). Currently, all interest rate derivative contracts are entered into as over-the-counter transactions and collateral posting requirements are based on the net asset or liability position with each respective counterparty. For contracts that require central clearing, novation to a counterparty with access to a clearinghouse occurs and margin is posted. Cash margin received (posted) that is considered settlements for the derivative contracts is included in the respective derivative asset (liability) value. Cash margin that is considered collateral received (posted) for interest rate derivatives is recognized as a liability (asset) on FHN’s Consolidated Condensed Statements of Condition. Interest rate derivatives with customers that are smaller financial institutions typically require posting of collateral by the counterparty to FHN. This collateral is subject to a threshold with daily adjustments based upon changes in the level or fair value of the derivative position. Positions and related collateral can be netted in the event of default. Collateral pledged by a counterparty is typically cash or securities. The securities pledged as collateral are not recognized within FHN’s Consolidated Condensed Statements of Condition. Interest rate derivatives associated with lending arrangements share the collateral with the related loan(s). The derivative and loan positions may be netted in the event of default. For disclosure purposes, the entire collateral amount is allocated to the loan. Interest rate derivatives with larger financial institutions entered into prior to required central clearing typically contain provisions whereby the collateral posting thresholds under the agreements adjust based on the credit ratings of both counterparties. If the credit rating of FHN and/or FTBNA is lowered, FHN could be required to post additional collateral with the counterparties. Conversely, if the credit rating of FHN and/or FTBNA is increased, FHN could have collateral released and be required to post less collateral in the future. Also, if a counterparty’s credit ratings were to decrease, FHN and/or FTBNA could require the posting of additional collateral; whereas if a counterparty’s credit ratings were to increase, the counterparty could require the release of excess collateral. Collateral for these arrangements is adjusted daily based on changes in the net fair value position with each counterparty. The net fair value, determined by individual counterparty, of all derivative instruments with adjustable collateral posting thresholds was $27.4 million of assets and $34.6 million of liabilities on September 30, 2017 , and $35.9 million of assets and $49.0 million of liabilities on December 31, 2016 . As of September 30, 2017 and December 31, 2016 , FHN had received collateral of $113.6 million and $137.6 million and posted collateral of $26.2 million and $39.3 million , respectively, in the normal course of business related to these agreements. Certain agreements entered into prior to required central clearing also contain accelerated termination provisions, inclusive of the right of offset, if a counterparty’s credit rating falls below a specified level. If a counterparty’s debt rating (including FHN’s and FTBNA’s) were to fall below these minimums, these provisions would be triggered, and the counterparties could terminate the agreements and require immediate settlement of all derivative contracts under the agreements. The net fair value, determined by individual counterparty, of all derivative instruments with credit-risk-related contingent accelerated termination provisions was $27.4 million of assets and $14.9 million of liabilities on September 30, 2017 , and $35.9 million of assets and $19.6 million of liabilities on December 31, 2016 . As of September 30, 2017 and December 31, 2016 , FHN had received collateral of $113.6 million and $137.5 million and posted collateral of $9.0 million and $12.9 million , respectively, in the normal course of business related to these contracts. FHN’s fixed income segment buys and sells various types of securities for its customers. When these securities settle on a delayed basis, they are considered forward contracts, and are generally not subject to master netting agreements. For futures and options, FHN transacts through a third party, and the transactions are subject to margin and collateral maintenance requirements. In the event of default, open positions can be offset along with the associated collateral. For this disclosure, FHN considers the impact of master netting and other similar agreements which allow FHN to settle all contracts with a single counterparty on a net basis and to offset the net derivative asset or liability position with the related securities and cash collateral. The application of the collateral cannot reduce the net derivative asset or liability position below zero, and therefore any excess collateral is not reflected in the following tables. The following table provides details of derivative assets and collateral received as presented on the Consolidated Condensed Statements of Condition as of September 30, 2017 and December 31, 2016 : Gross amounts not offset in the Statements of Condition (Dollars in thousands) Gross amounts of recognized assets Gross amounts offset in the Statements of Condition Net amounts of assets presented in the Statements of Condition (a) Derivative liabilities available for offset Collateral Received Net amount Derivative assets: September 30, 2017 (b) $ 70,902 $ — $ 70,902 $ (23,283 ) $ (43,379 ) $ 4,240 December 31, 2016 (b) 87,962 — 87,962 (25,953 ) (52,888 ) 9,121 (a) Included in Derivative assets on the Consolidated Condensed Statements of Condition. As of September 30, 2017 and December 31, 2016 , $10.1 million and $33.7 million , respectively, of derivative assets (primarily fixed income forward contracts) have been excluded from these tables because they are generally not subject to master netting or similar agreements. (b) Amounts are comprised entirely of interest rate derivative contracts. The following table provides details of derivative liabilities and collateral pledged as presented on the Consolidated Condensed Statements of Condition as of September 30, 2017 and December 31, 2016 : Gross amounts not offset in the Statements of Condition (Dollars in thousands) Gross amounts of recognized liabilities Gross amounts offset in the Statements of Condition Net amounts of liabilities presented in the Statements of Condition (a) Derivative assets available for offset Collateral pledged Net amount Derivative liabilities: September 30, 2017 (b) $ 69,988 $ — $ 69,988 $ (23,283 ) $ (42,686 ) $ 4,019 December 31, 2016 (b) 96,363 — 96,363 (25,953 ) (60,746 ) 9,664 (a) Included in Derivative liabilities on the Consolidated Condensed Statements of Condition. As of September 30, 2017 and December 31, 2016 , $13.2 million and $39.5 million , respectively, of derivative liabilities (primarily fixed income forward contracts) have been excluded from these tables because they are generally not subject to master netting or similar agreements. (b) Amounts are comprised entirely of interest rate derivative contracts.

Master Netting And Similar Agre

Master Netting And Similar Agreements	9 Months Ended
	Sep. 30, 2017
Offsetting [Abstract]
Master Netting Agreements And Similar Arrangements	Master Netting and Similar Agreements—Repurchase, Reverse Repurchase, and Securities Borrowing Transactions For repurchase, reverse repurchase and securities borrowing transactions, FHN and each counterparty have the ability to offset all open positions and related collateral in the event of default. Due to the nature of these transactions, the value of the collateral for each transaction approximates the value of the corresponding receivable or payable. For repurchase agreements through FHN’s fixed income business (Securities purchased under agreements to resell and Securities sold under agreements to repurchase), transactions are collateralized by securities and/or government guaranteed loans which are delivered on the settlement date and are maintained throughout the term of the transaction. For FHN’s repurchase agreements through banking activities (Securities sold under agreements to repurchase), securities are typically pledged at settlement and not released until maturity. For asset positions, the collateral is not included on FHN’s Consolidated Condensed Statements of Condition. For liability positions, securities collateral pledged by FHN is generally represented within FHN’s trading or available-for-sale securities portfolios. For this disclosure, FHN considers the impact of master netting and other similar agreements that allow FHN to settle all contracts with a single counterparty on a net basis and to offset the net asset or liability position with the related securities collateral. The application of the collateral cannot reduce the net asset or liability position below zero, and therefore any excess collateral is not reflected in the tables below. The following table provides details of Securities purchased under agreements to resell as presented on the Consolidated Condensed Statements of Condition and collateral pledged by counterparties as of September 30, 2017 and December 31, 2016 : Gross amounts not offset in the Statements of Condition (Dollars in thousands) Gross amounts of recognized assets Gross amounts offset in the Statements of Condition Net amounts of assets presented in the Statements of Condition Offsetting securities sold under agreements to repurchase Securities collateral (not recognized on FHN’s Statements of Condition) Net amount Securities purchased under agreements to resell: September 30, 2017 $ 663,637 $ — $ 663,637 $ (1,044 ) $ (655,136 ) $ 7,457 December 31, 2016 613,682 — 613,682 (1,628 ) (603,813 ) 8,241 The following table provides details of Securities sold under agreements to repurchase as presented on the Consolidated Condensed Statements of Condition and collateral pledged by FHN as of September 30, 2017 and December 31, 2016 : Gross amounts not offset in the Statements of Condition (Dollars in thousands) Gross amounts of recognized liabilities Gross amounts offset in the Statements of Condition Net amounts of liabilities presented in the Statements of Condition Offsetting securities purchased under agreements to resell Securities/ government guaranteed loans collateral Net amount Securities sold under agreements to repurchase: September 30, 2017 $ 516,867 $ — $ 516,867 $ (1,044 ) $ (515,673 ) $ 150 December 31, 2016 453,053 — 453,053 (1,628 ) (451,414 ) 11 Due to the short duration of Securities sold under agreements to repurchase and the nature of collateral involved, the risks associated with these transactions are considered minimal. The following tables provide details, by collateral type, of the remaining contractual maturity of Securities sold under agreements to repurchase as of September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) Overnight and Continuous Up to 30 Days Total Securities sold under agreements to repurchase: U.S. treasuries $ 18,970 $ — $ 18,970 Government agency issued MBS 276,903 5,521 282,424 Government agency issued CMO 50,554 5,749 56,303 Government guaranteed loans (SBA and USDA) 159,170 — 159,170 Total Securities sold under agreements to repurchase $ 505,597 $ 11,270 $ 516,867 December 31, 2016 (Dollars in thousands) Overnight and Continuous Up to 30 Days Total Securities sold under agreements to repurchase: U.S. treasuries $ 14,864 $ — $ 14,864 Government agency issued MBS 421,771 — 421,771 Government agency issued CMO — 16,418 16,418 Total Securities sold under agreements to repurchase $ 436,635 $ 16,418 $ 453,053

Fair Value Of Assets And Liabil

Fair Value Of Assets And Liabilities	9 Months Ended
	Sep. 30, 2017
Fair Value Disclosures [Abstract]
Fair Value Of Assets And Liabilities	Fair Value of Assets & Liabilities FHN groups its assets and liabilities measured at fair value in three levels, based on the markets in which the assets and liabilities are traded and the reliability of the assumptions used to determine fair value. This hierarchy requires FHN to maximize the use of observable market data, when available, and to minimize the use of unobservable inputs when determining fair value. Each fair value measurement is placed into the proper level based on the lowest level of significant input. These levels are: • Level 1—Valuation is based upon quoted prices for identical instruments traded in active markets. • Level 2—Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market. • Level 3—Valuation is generated from model-based techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect management’s estimates of assumptions that market participants would use in pricing the asset or liability. Valuation techniques include use of option pricing models, discounted cash flow models, and similar techniques. Transfers between fair value levels are recognized at the end of the fiscal quarter in which the associated change in inputs occurs. Recurring Fair Value Measurements The following table presents the balance of assets and liabilities measured at fair value on a recurring basis as of September 30, 2017 : September 30, 2017 (Dollars in thousands) Level 1 Level 2 Level 3 Total Trading securities—fixed income: U.S. treasuries $ — $ 157,483 $ — $ 157,483 Government agency issued MBS — 155,260 — 155,260 Government agency issued CMO — 244,321 — 244,321 Other U.S. government agencies — 186,573 — 186,573 States and municipalities — 61,290 — 61,290 Corporate and other debt — 655,976 5 655,981 Equity, mutual funds, and other — 6,194 — 6,194 Total trading securities—fixed income — 1,467,097 5 1,467,102 Trading securities—mortgage banking — — 2,300 2,300 Loans held-for-sale — 1,727 20,081 21,808 Securities available-for-sale: U.S. treasuries — 100 — 100 Government agency issued MBS — 2,087,505 — 2,087,505 Government agency issued CMO — 1,685,995 — 1,685,995 Interest-only strips — — 3,123 3,123 Equity, mutual funds, and other 24,756 — — 24,756 Total securities available-for-sale 24,756 3,773,600 3,123 3,801,479 Other assets: Deferred compensation assets 34,951 — — 34,951 Derivatives, forwards and futures 10,003 — — 10,003 Derivatives, interest rate contracts — 70,971 — 70,971 Derivatives, other — 2 — 2 Total other assets 44,954 70,973 — 115,927 Total assets $ 69,710 $ 5,313,397 $ 25,509 $ 5,408,616 Trading liabilities—fixed income: U.S. treasuries $ — $ 424,461 $ — $ 424,461 Government agency issued CMO — 1,372 — 1,372 Other U.S. government agencies — 998 — 998 Corporate and other debt — 152,197 — 152,197 Total trading liabilities—fixed income — 579,028 — 579,028 Other liabilities: Derivatives, forwards and futures 7,627 — — 7,627 Derivatives, interest rate contracts — 69,988 — 69,988 Derivatives, other — 1 5,530 5,531 Total other liabilities 7,627 69,989 5,530 83,146 Total liabilities $ 7,627 $ 649,017 $ 5,530 $ 662,174 The following table presents the balance of assets and liabilities measured at fair value on a recurring basis as of December 31, 2016 : December 31, 2016 (Dollars in thousands) Level 1 Level 2 Level 3 Total Trading securities—fixed income: U.S. treasuries $ — $ 146,988 $ — $ 146,988 Government agency issued MBS — 256,611 — 256,611 Government agency issued CMO — 150,058 — 150,058 Other U.S. government agencies — 52,314 — 52,314 States and municipalities — 60,351 — 60,351 Corporate and other debt — 227,934 5 227,939 Equity, mutual funds, and other — 242 — 242 Total trading securities—fixed income — 894,498 5 894,503 Trading securities—mortgage banking — — 2,568 2,568 Loans held-for-sale — 2,345 21,924 24,269 Securities available-for-sale: U.S. treasuries — 100 — 100 Government agency issued MBS — 2,208,687 — 2,208,687 Government agency issued CMO — 1,547,958 — 1,547,958 Equity, mutual funds, and other 25,249 — — 25,249 Total securities available-for-sale 25,249 3,756,745 — 3,781,994 Other assets: Mortgage servicing rights — — 985 985 Deferred compensation assets 32,840 — — 32,840 Derivatives, forwards and futures 33,587 — — 33,587 Derivatives, interest rate contracts — 88,025 — 88,025 Derivatives, other — 42 — 42 Total other assets 66,427 88,067 985 155,479 Total assets $ 91,676 $ 4,741,655 $ 25,482 $ 4,858,813 Trading liabilities—fixed income: U.S. treasuries $ — $ 381,229 $ — $ 381,229 Other U.S. government agencies — 844 — 844 Corporate and other debt — 179,775 — 179,775 Total trading liabilities—fixed income — 561,848 — 561,848 Other liabilities: Derivatives, forwards and futures 33,274 — — 33,274 Derivatives, interest rate contracts — 96,371 — 96,371 Derivatives, other — 7 6,245 6,252 Total other liabilities 33,274 96,378 6,245 135,897 Total liabilities $ 33,274 $ 658,226 $ 6,245 $ 697,745 Changes in Recurring Level 3 Fair Value Measurements The changes in Level 3 assets and liabilities measured at fair value for the three months ended September 30, 2017 and 2016 , on a recurring basis are summarized as follows: Three Months Ended September 30, 2017 (Dollars in thousands) Trading securities Interest- only strips- AFS Loans held- for-sale Net derivative liabilities Balance on July 1, 2017 $ 2,464 $ 1,163 $ 20,587 $ (5,700 ) Total net gains/(losses) included in: Net income 92 (160 ) 390 (129 ) Purchases — — 43 — Settlements (251 ) — (939 ) 299 Net transfers into/(out of) Level 3 — 2,120 (b) — (d) — Balance on September 30, 2017 $ 2,305 $ 3,123 $ 20,081 $ (5,530 ) Net unrealized gains/(losses) included in net income $ 62 (a) $ (72 ) (c) $ 390 (a) $ (129 ) (e) Three Months Ended September 30, 2016 (Dollars in thousands) Trading securities Loans held-for-sale Securities available- for-sale Mortgage servicing rights, net Net derivative liabilities Balance on July 1, 2016 $ 2,826 $ 25,738 $ 1,500 $ 1,406 $ (6,835 ) Total net gains/(losses) included in: Net income 304 1,604 — — (4 ) Purchases — 198 — — — Settlements (346 ) (2,146 ) (1,500 ) (160 ) 299 Net transfers into/(out of) Level 3 — (2,858 ) (d) — — — Balance on September 30, 2016 $ 2,784 $ 22,536 $ — $ 1,246 $ (6,540 ) Net unrealized gains/(losses) included in net income $ 244 (a) $ 1,604 (a) $ — $ — $ (4 ) (e) (a) Primarily included in mortgage banking income on the Consolidated Condensed Statements of Income. (b) Transfers into interest-only strips - AFS level 3 measured on a recurring basis reflect movements from loans held-for-sale (Level 2 nonrecurring). (c) Primarily included in fixed income on the Consolidated Condensed Statements of Income. (d) Transfers out of loans held-for-sale level 3 measured on a recurring basis generally reflect movements into OREO (level 3 nonrecurring). (e) Included in Other expense. Changes in Recurring Level 3 Fair Value Measurements The changes in Level 3 assets and liabilities measured at fair value for the nine months ended September 30, 2017 and 2016 , on a recurring basis are summarized as follows: Nine Months Ended September 30, 2017 (Dollars in thousands) Trading securities Interest-only strips- AFS Loans held- for-sale Net derivative liabilities Balance on January 1, 2017 $ 2,573 $ — $ 21,924 $ (6,245 ) Total net gains/(losses) included in: Net income 380 107 1,722 (179 ) Purchases — 1,413 118 — Sales — (3,291 ) — — Settlements (648 ) — (3,340 ) 894 Net transfers into/(out of) Level 3 — 4,894 (b) (343 ) (d) — Balance on September 30, 2017 $ 2,305 $ 3,123 $ 20,081 $ (5,530 ) Net unrealized gains/(losses) included in net income $ 264 (a) $ (122 ) (c) $ 1,722 (a) $ (179 ) (e) Nine Months Ended September 30, 2016 (Dollars in thousands) Trading securities Loans held-for-sale Securities available- for-sale Mortgage servicing rights, net Net derivative liabilities Balance on January 1, 2016 $ 4,377 $ 27,418 $ 1,500 $ 1,841 $ (4,810 ) Total net gains/(losses) included in: Net income 506 2,375 — 31 (2,627 ) Purchases — 673 — — — Sales — — — (205 ) — Settlements (2,099 ) (4,643 ) (1,500 ) (421 ) 897 Net transfers into/(out of) Level 3 — (3,287 ) (d) — — — Balance on September 30, 2016 $ 2,784 $ 22,536 $ — $ 1,246 $ (6,540 ) Net unrealized gains/(losses) included in net income $ 324 (a) $ 2,375 (a) $ — $ — $ (2,627 ) (e) (a) Primarily included in mortgage banking income on the Consolidated Condensed Statements of Income. (b) Transfers into interest-only strips - AFS level 3 measured on a recurring basis reflect movements from loans held-for-sale (Level 2 nonrecurring). (c) Primarily included in fixed income on the Consolidated Condensed Statements of Income. (d) Transfers out of loans held-for-sale level 3 measured on a recurring basis generally reflect movements into OREO (level 3 nonrecurring). (e) Included in Other expense. Nonrecurring Fair Value Measurements From time to time, FHN may be required to measure certain other financial assets at fair value on a nonrecurring basis in accordance with GAAP. These adjustments to fair value usually result from the application of lower of cost or market (“LOCOM”) accounting or write-downs of individual assets. For assets measured at fair value on a nonrecurring basis which were still held on the balance sheet at September 30, 2017 , and December 31, 2016 , respectively, the following tables provide the level of valuation assumptions used to determine each adjustment and the related carrying value. Carrying value at September 30, 2017 (Dollars in thousands) Level 1 Level 2 Level 3 Total Loans held-for-sale—SBAs and USDA $ — $ 244,089 $ 1,484 $ 245,573 Loans held-for-sale—first mortgages — — 611 611 Loans, net of unearned income (a) — — 23,210 23,210 OREO (b) — — 7,877 7,877 Other assets (c) — — 27,394 27,394 Carrying value at December 31, 2016 (Dollars in thousands) Level 1 Level 2 Level 3 Total Loans held-for-sale—SBAs $ — $ 4,286 $ — $ 4,286 Loans held-for-sale—first mortgages — — 638 638 Loans, net of unearned income (a) — — 31,070 31,070 OREO (b) — — 11,235 11,235 Other assets (c) — — 29,609 29,609 (a) Represents carrying value of loans for which adjustments are required to be based on the appraised value of the collateral less estimated costs to sell. (b) Represents the fair value of foreclosed properties that were measured subsequent to their initial classification as OREO. Balance excludes OREO related to government insured mortgages. (c) Represents tax credit investments accounted for under the equity method. For assets measured on a nonrecurring basis which were still held on the consolidated balance sheet at period end, the following table provides information about the fair value adjustments recorded during the three and nine months ended September 30, 2017 and 2016 : Net gains/(losses) Net gains/(losses) (Dollars in thousands) 2017 2016 2017 2016 Loans held-for-sale—SBAs and USDA $ (86 ) $ — $ (1,259 ) $ — Loans held-for-sale—first mortgages 6 10 22 17 Loans, net of unearned income (a) (2,388 ) 461 (1,456 ) (3,249 ) OREO (b) (41 ) (711 ) (662 ) (1,561 ) Other assets (c) (762 ) (788 ) (2,646 ) (2,325 ) $ (3,271 ) $ (1,028 ) $ (6,001 ) $ (7,118 ) (a) Write-downs on these loans are recognized as part of provision for loan losses. (b) Represents losses of foreclosed properties that were measured subsequent to their initial classification as OREO. Balance excludes OREO related to government insured mortgages. (c) Represents tax credit investments accounted for under the equity method. In third quarter 2017, FHN’s Corporate segment recognized $ 2.0 million of impairments on long-lived technology assets associated with an expansion of processing capacity that will be required upon completion of the merger with CBF. The fair values of the assets impaired were determined using a discounted cash flow approach which reflected short estimated remaining lives and considered estimated salvage values. The measurement methodologies are considered Level 3 valuations. In first quarter 2016, FHN’s Regional Banking segment recognized $3.7 million of impairments on long-lived assets associated with efforts to more efficiently utilize its bank branch locations. The affected branch locations represented a mixture of owned and leased sites. The fair values of owned sites were determined using estimated sales prices from appraisals less estimated costs to sell. The fair values of leased sites were determined using a discounted cash flow approach, based on the revised estimated useful lives of the related assets. Both measurement methodologies are considered Level 3 valuations. Level 3 Measurements The following tables provide information regarding the unobservable inputs utilized in determining the fair value of level 3 recurring and non-recurring measurements as of September 30, 2017 and December 31, 2016 : (Dollars in thousands) Level 3 Class Fair Value at Valuation Techniques Unobservable Input Values Utilized Available-for-sale- securities SBA-interest only strips $ 3,123 Discounted cash flow Constant prepayment rate 9% - 10% Bond equivalent yield 14%- 19% Loans held-for-sale - residential real estate 20,692 Discounted cash flow Prepayment speeds - First mortgage 2% - 12% Prepayment speeds - HELOC 3% - 12% Foreclosure losses 50% - 70% Loss severity trends - First mortgage 5% - 50% of UPB Loss severity trends - HELOC 15% - 100% of UPB Loans held-for-sale- unguaranteed interest in SBA loans 1,484 Discounted cash flow Constant prepayment rate 8% - 12% Bond equivalent yield 9% - 10% Derivative liabilities, other 5,530 Discounted cash flow Visa covered litigation resolution amount $4.4 billion - $5.2 billion Probability of resolution scenarios 10% - 30% Time until resolution 18 - 48 months Loans, net of unearned income (a) 23,210 Appraisals from comparable properties Marketability adjustments for specific properties 0% - 10% of appraisal Other collateral valuations Borrowing base certificates adjustment 20% - 50% of gross value Financial Statements/Auction values adjustment 0% - 25% of reported value OREO (b) 7,877 Appraisals from comparable properties Adjustment for value changes since appraisal 0% - 10% of appraisal Other assets (c) 27,394 Discounted cash flow Adjustments to current sales yields for specific properties 0% - 15% adjustment to yield Appraisals from comparable properties Marketability adjustments for specific properties 0% - 25% of appraisal (a) Represents carrying value of loans for which adjustments are required to be based on the appraised value of the collateral less estimated costs to sell. Write-downs on these loans are recognized as part of provision for loan losses. (b) Represents the fair value of foreclosed properties that were measured subsequent to their initial classification as OREO. Balance excludes OREO related to government insured mortgages. (c) Represents tax credit investments accounted for under the equity method. (Dollars in thousands) Level 3 Class Fair Value at Valuation Techniques Unobservable Input Values Utilized Loans held-for-sale - residential real estate $ 22,562 Discounted cash flow Prepayment speeds - First mortgage 2% - 13% Prepayment speeds - HELOC 3% - 15% Foreclosure Losses 50% - 70% Loss severity trends - First mortgage 5% - 50% of UPB Loss severity trends - HELOC 15% - 100% of UPB Derivative liabilities, other 6,245 Discounted cash flow Visa covered litigation resolution amount $4.4 billion - $5.2 billion Probability of resolution scenarios 10% - 30% Time until resolution 24 - 54 months Loans, net of unearned income (a) 31,070 Appraisals from comparable properties Marketability adjustments for specific properties 0% - 10% of appraisal Other collateral valuations Borrowing base certificates adjustment 20% - 50% of gross value Financial Statements/Auction values adjustment 0% - 25% of reported value OREO (b) 11,235 Appraisals from comparable properties Adjustment for value changes since appraisal 0% - 10% of appraisal Other assets (c) 29,609 Discounted cash flow Adjustments to current sales yields for specific properties 0% - 15% adjustment to yield Appraisals from comparable properties Marketability adjustments for specific properties 0% - 25% of appraisal (a) Represents carrying value of loans for which adjustments are required to be based on the appraised value of the collateral less estimated costs to sell. Write-downs on these loans are recognized as part of provision for loan losses. (b) Represents the fair value of foreclosed properties that were measured subsequent to their initial classification as OREO. Balance excludes OREO related to government insured mortgages. (c) Represents tax credit investments accounted for under the equity method. Securities AFS . Increases (decreases) in estimated prepayment rates and bond equivalent yields negatively (positively) affect the value of SBA interest only strips. Management additionally considers whether the loans underlying related SBA-interest only strips are delinquent, in default or prepaying, and adjusts the fair value down 20 - 100% depending on the length of time in default. Loans held-for-sale. Foreclosure losses and prepayment rates are significant unobservable inputs used in the fair value measurement of FHN’s residential real estate loans held-for-sale. Loss severity trends are also assessed to evaluate the reasonableness of fair value estimates resulting from discounted cash flows methodologies as well as to estimate fair value for newly repurchased loans and loans that are near foreclosure. Significant increases (decreases) in any of these inputs in isolation would result in significantly lower (higher) fair value measurements. All observable and unobservable inputs are re-assessed quarterly. Fair value measurements are reviewed at least quarterly by FHN’s Corporate Accounting Department. Increases (decreases) in estimated prepayment rates and bond equivalent yields negatively (positively) affect the value of unguaranteed interests in SBA loans. Unguaranteed interest in SBA loans held-for-sale are carried at less than the outstanding balance due to credit risk estimates. Credit risk adjustments may be reduced if prepayment is likely or as consistent payment history is realized. Management also considers other factors such as delinquency or default and adjusts the fair value accordingly. Derivative liabilities. In conjunction with the sales of portions of its Visa Class B shares, FHN and the purchaser entered into derivative transactions whereby FHN will make, or receive, cash payments whenever the conversion ratio of the Visa Class B shares into Visa Class A shares is adjusted. FHN uses a discounted cash flow methodology in order to estimate the fair value of FHN’s derivative liabilities associated with its prior sales of Visa Class B shares. The methodology includes estimation of both the resolution amount for Visa’s Covered Litigation matters as well as the length of time until the resolution occurs. Significant increases (decreases) in either of these inputs in isolation would result in significantly higher (lower) fair value measurements for the derivative liabilities. Additionally, FHN performs a probability weighted multiple resolution scenario to calculate the estimated fair value of these derivative liabilities. Assignment of higher (lower) probabilities to the larger potential resolution scenarios would result in an increase (decrease) in the estimated fair value of the derivative liabilities. Since this estimation process requires application of judgment in developing significant unobservable inputs used to determine the possible outcomes and the probability weighting assigned to each scenario, these derivatives have been classified within Level 3 in fair value measurements disclosures. The valuation inputs and process are discussed with senior and executive management when significant events affecting the estimate of fair value occur. Inputs are compared to information obtained from the public issuances and filings of Visa, Inc. as well as public information released by other participants in the applicable litigation matters. Loans, net of unearned income and Other Real Estate Owned. Collateral-dependent loans and OREO are primarily valued using appraisals based on sales of comparable properties in the same or similar markets. Multiple appraisal firms are utilized to ensure that estimated values are consistent between firms. This process occurs within FHN’s Credit Risk Management (commercial) and Default Servicing functions (primarily consumer). The Credit Risk Management Committee reviews dispositions and additions of OREO annually. Back testing is performed during the year through comparison to ultimate disposition values. Other collateral (receivables, inventory, equipment, etc.) is valued through borrowing base certificates, financial statements and/or auction valuations. These valuations are discounted based on the quality of reporting, knowledge of the marketability/collectability of the collateral and historical disposition rates. Other assets – tax credit investments. The estimated fair value of tax credit investments accounted for under the equity method is generally determined in relation to the yield (i.e., future tax credits to be received) an acquirer of these investments would expect in relation to the yields experienced on current new issue and/or secondary market transactions. Thus, as tax credits are recognized, the future yield to a market participant is reduced, resulting in consistent impairment of the individual investments. Individual investments are reviewed for impairment quarterly, which may include the consideration of additional marketability discounts related to specific investments which typically includes consideration of the underlying property’s appraised value. Unusual valuation adjustments and the associated triggering events are discussed with senior and executive management when appropriate. A portfolio review is conducted annually, with the assistance of a third party, to assess the reasonableness of current valuations. Fair Value Option FHN has elected the fair value option on a prospective basis for almost all types of mortgage loans originated for sale purposes under the Financial Instruments Topic (“ASC 825”). FHN determined that the election reduces certain timing differences and better matches changes in the value of such loans with changes in the value of derivatives and forward delivery commitments used as economic hedges for these assets at the time of election. Repurchased loans are recognized within loans held-for-sale at fair value at the time of repurchase, which includes consideration of the credit status of the loans and the estimated liquidation value. FHN has elected to continue recognition of these loans at fair value in periods subsequent to reacquisition. Due to the credit-distressed nature of the vast majority of repurchased loans and the related loss severities experienced upon repurchase, FHN believes that the fair value election provides a more timely recognition of changes in value for these loans that occur subsequent to repurchase. Absent the fair value election, these loans would be subject to valuation at the LOCOM value, which would prevent subsequent values from exceeding the initial fair value, determined at the time of repurchase, but would require recognition of subsequent declines in value. Thus, the fair value election provides for a more timely recognition of any potential future recoveries in asset values while not affecting the requirement to recognize subsequent declines in value. The following tables reflect the differences between the fair value carrying amount of residential real estate loans held-for-sale measured at fair value in accordance with management’s election and the aggregate unpaid principal amount FHN is contractually entitled to receive at maturity. September 30, 2017 (Dollars in thousands) Fair value carrying amount Aggregate unpaid principal Fair value carrying amount less aggregate unpaid principal Residential real estate loans held-for-sale reported at fair value: Total loans $ 21,808 $ 30,686 $ (8,878 ) Nonaccrual loans 6,428 11,551 (5,123 ) Loans 90 days or more past due and still accruing 44 175 (131 ) December 31, 2016 (Dollars in thousands) Fair value carrying amount Aggregate unpaid principal Fair value carrying amount less aggregate unpaid principal Residential real estate loans held-for-sale reported at fair value: Total loans $ 24,269 $ 35,262 $ (10,993 ) Nonaccrual loans 6,775 12,910 (6,135 ) Loans 90 days or more past due and still accruing 211 331 (120 ) Assets and liabilities accounted for under the fair value election are initially measured at fair value with subsequent changes in fair value recognized in earnings. Such changes in the fair value of assets and liabilities for which FHN elected the fair value option are included in current period earnings with classification in the income statement line item reflected in the following table: Three Months Ended Nine Months Ended (Dollars in thousands) 2017 2016 2017 2016 Changes in fair value included in net income: Mortgage banking noninterest income Loans held-for-sale $ 390 $ 1,604 $ 1,722 $ 2,375 For the three months ended September 30, 2017 , and 2016 , the amounts for residential real estate loans held-for-sale include gains of $.1 million and $.5 million , respectively, in pretax earnings that are attributable to changes in instruments-specific credit risk. For the nine months ended September 30, 2017, and 2016, the amounts for residential real estate loans held-for-sale included gains of $.5 million and $.7 million , respectively, in pretax earnings that are attributable to changes in instrument-specific credit risk. The portion of the fair value adjustments related to credit risk was determined based on estimated default rates and estimated loss severities. Interest income on residential real estate loans held-for-sale measured at fair value is calculated based on the note rate of the loan and is recorded in the interest income section of the Consolidated Condensed Statements of Income as interest on loans held-for-sale. FHN has elected to account for retained interest-only strips from guaranteed SBA loans recorded in available-for-sale securities at fair value through earnings. Since these securities are subject to the risk that prepayments may result in FHN not recovering all or a portion of its recorded investment, the fair value election results in a more timely recognition of the effects of estimated prepayments through earnings rather than being recognized through other comprehensive income with periodic review for other-than-temporary impairment. Gains or losses are recognized through fixed income revenues and are presented in the recurring measurements table. Determination of Fair Value In accordance with ASC 820-10-35, fair values are based on the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The following describes the assumptions and methodologies used to estimate the fair value of financial instruments recorded at fair value in the Consolidated Condensed Statements of Condition and for estimating the fair value of financial instruments for which fair value is disclosed under ASC 825-10-50. Short-term financial assets. Federal funds sold, securities purchased under agreements to resell, and interest bearing deposits with other financial institutions and the Federal Reserve are carried at historical cost. The carrying amount is a reasonable estimate of fair value because of the relatively short time between the origination of the instrument and its expected realization. Trading securities and trading liabilities. Trading securities and trading liabilities are recognized at fair value through current earnings. Trading inventory held for broker-dealer operations is included in trading securities and trading liabilities. Broker-dealer long positions are valued at bid price in the bid-ask spread. Short positions are valued at the ask price. Inventory positions are valued using observable inputs including current market transactions, LIBOR and U.S. treasury curves, credit spreads, and consensus prepayment speeds. Trading loans are valued using observable inputs including current market transactions, swap rates, mortgage rates, and consensus prepayment speeds. Trading securities also include retained interests in prior mortgage securitizations that qualify as financial assets, which include primarily principal-only strips. FHN uses inputs including yield curves, credit spreads, and prepayment speeds to determine the fair value of principal-only strips. Securities available-for-sale. Securities available-for-sale includes the investment portfolio accounted for as available-for-sale under ASC 320-10-25, federal bank stock holdings, and short-term investments in mutual funds. Valuations of available-for-sale securities are performed using observable inputs obtained from market transactions in similar securities. Typical inputs include LIBOR and U.S. treasury curves, consensus prepayment estimates, and credit spreads. When available, broker quotes are used to support these valuations. Investments in the stock of the Federal Reserve Bank and Federal Home Loan Banks are recognized at historical cost in the Consolidated Condensed Statements of Condition which is considered to approximate fair value. Short-term investments in mutual funds are measured at the funds’ reported closing net asset values. Investments in equity securities are valued using quoted market prices when available. Cost method investments are valued at historical cost less any recorded impairment due to the illiquid nature of these investments. Interest only strips are valued at elected fair value based on an income approach using an internal valuation model. The internal valuation model includes assumptions regarding projections of future cash flows, prepayment rates, default rates and interest only strip terms. These securities bear the risk of loan prepayment or default that may result in the Company not recovering all or a portion of its recorded investment. When appropriate, valuations are adjusted for various factors including default or prepayment status of the underlying SBA loans. Because of the inherent uncertainty of valuation, those estimated values may be higher or lower than the values that would have been used had a ready market for the securities existed, and may change in the near term. Securities held-to-maturity. Securities held-to-maturity reflects debt securities for which management has the positive intent and ability to hold to maturity. To the extent possible, valuations of held-to-maturity securities are performed using observable inputs obtained from market transactions in similar securities. Typical inputs include LIBOR and U.S. treasury curves and credit spreads. Debt securities with limited trading activity are valued using a discounted cash flow model that incorporates a combination of observable and unobservable inputs. Primary observable inputs include contractual cash flows, the treasury curve and credit spreads from similar instruments. Significant unobservable inputs include estimated credit spreads for individual issuers and instruments as well as prepayment speeds, as applicable. Loans held-for-sale. Residential real estate loans held-for-sale are valued using current transaction prices and/or values on similar assets when available, including committed bids for specific loans or loan portfolios. Uncommitted bids may be adjusted based on other available market information. For all other loans FHN determines the fair value of residential real estate loans held-for-sale using a discounted cash flow model which incorporates both observable and unobservable inputs. Inputs include current mortgage rates for similar products, estimated prepayment rates, foreclosure losses, and various loan performance measures (delinquency, LTV, credit score). Adjustments for delinquency and other differences in loan characteristics are typically reflected in the model’s discount rates. Loss severity trends and the value of underlying collateral are also considered in assessing the appropriate fair value for severely delinquent loans and loans in foreclosure. The valuation of HELOCs also incorporates estimated cancellation rates for loans expected to be

Financial Information (Policy)

Financial Information (Policy)	9 Months Ended
	Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis Of Accounting	Basis of Accounting. The unaudited interim consolidated condensed financial statements of First Horizon National Corporation (“FHN”), including its subsidiaries, have been prepared in conformity with accounting principles generally accepted in the United States of America and follow general practices within the industries in which it operates. This preparation requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. These estimates and assumptions are based on information available as of the date of the financial statements and could differ from actual results. In the opinion of management, all necessary adjustments have been made for a fair presentation of financial position and results of operations for the periods presented. These adjustments are of a normal recurring nature unless otherwise disclosed in this Quarterly Report on Form 10-Q. The operating results for the interim 2017 period are not necessarily indicative of the results that may be expected going forward. For further information, refer to the audited consolidated financial statements in Exhibit 13 to FHN’s Annual Report on Form 10-K for the year ended December 31, 2016.
Summary of Accounting Changes and Accounting Changes Issued But Not Currently Effective	Summary of Accounting Changes. Effective January 1, 2017, FHN adopted the provisions of Accounting Standards Update (“ASU”) 2016-09, “Improvements to Employee Share-Based Payment Accounting,” which makes several revisions to equity compensation accounting. Under the new guidance all excess tax benefits and deficiencies that occur when an award vests, is exercised, or expires are recognized in income tax expense as discrete period items. Previously, these transactions were typically recorded directly within equity. Consistent with this change, excess tax benefits and deficiencies are no longer included within estimated proceeds when performing the treasury stock method for calculation of diluted earnings per share. Excess tax benefits are also recognized at the time an award is exercised or vests compared to the previous requirement to delay recognition until the deduction reduces taxes payable. The presentation of excess tax benefits in the statement of cash flows shifted to an operating activity from the prior classification as a financing activity. ASU 2016-09 also provides an accounting policy election to recognize forfeitures of awards as they occur when estimating stock-based compensation expense rather than the previous requirement to estimate forfeitures from inception. Further, ASU 2016-09 permits employers to use a net-settlement feature to withhold taxes on equity compensation awards up to the maximum statutory tax rate without affecting the equity classification of the award. Under previous guidance, withholding of equity awards in excess of the minimum statutory requirement resulted in liability classification for the entire award. The related cash remittance by the employer for employee taxes is treated as a financing activity in the statement of cash flows. Transition to the new guidance was accomplished through a combination of retrospective (cash flows), cumulative-effect adjustment to equity (forfeitures) and prospective methodologies (tax windfalls and shortfalls). The effects of adopting ASU 2016-09 have not been significant. Effective January 1, 2017, FHN early adopted the provisions of ASU 2016-16, “Intra-Entity Transfers of Assets Other Than Inventory” which requires recognition of the income tax consequences of an intra-entity transfer of an asset other than inventory when the transfer occurs. Therefore, ASU 2016-16 reverses the previous requirement to delay recognition of the tax consequences of these transactions until the associated assets are sold to an outside party. Adoption of ASU 2016-16 did not have a significant effect on FHN. Accounting Changes Issued but Not Currently Effective In May 2014, the FASB issued ASU 2014-09, “Revenue from Contracts with Customers.” ASU 2014-09 does not change revenue recognition for financial assets. The core principle of ASU 2014-09 is that an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This is accomplished through a five-step recognition framework involving 1) the identification of contracts with customers, 2) identification of performance obligations, 3) determination of the transaction price, 4) allocation of the transaction price to the performance obligations and 5) recognition of revenue as performance obligations are satisfied. Additionally, qualitative and quantitative information is required for disclosure regarding the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers. In February 2016, the FASB issued ASU 2016-08, “Principal versus Agent Considerations,” which provides additional guidance on whether an entity should recognize revenue on a gross or net basis, based on which party controls the specified good or service before that good or service is transferred to a customer. In April 2016, the FASB issued ASU 2016-10, “Identifying Performance Obligations and Licensing,” which clarifies the original guidance included in ASU 2014-09 for identification of the goods or services provided to customers and enhances the implementation guidance for licensing arrangements. ASU 2016-12, “Narrow-Scope Improvements and Practical Expedients,” was issued in May 2016 to provide additional guidance for the implementation and application of ASU 2014-09. “Technical Corrections and Improvements” ASU 2016-20 was issued in December 2016 and provides further guidance on certain issues. These ASUs are effective in annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period. Transition to the new requirements may be made by retroactively revising prior financial statements (with certain practical expedients permitted) or by a cumulative effect through retained earnings. If the latter option is selected, additional disclosures are required for comparability. FHN is evaluating their effects on its revenue recognition practices. Currently, FHN anticipates that it will elect to adopt the provisions of the revenue recognition standards through a cumulative effect to retained earnings with comparability disclosures provided throughout 2018. Based on reviews of its various revenues that are within the scope of ASU 2014-09, FHN has not identified a significant change in it's revenue recognition practices. However, FHN's implementation efforts are ongoing and additional information may change this assessment. In February 2017, the FASB issued ASU 2017-05, “Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets” which clarifies the meaning and application of the term in substance nonfinancial asset in transactions involving both financial and nonfinancial assets. If substantially all of the fair value of the assets that are promised to the counterparty in a contract are concentrated in nonfinancial assets, then all of the financial assets promised to the counterparty are in substance nonfinancial assets within the scope of revenue recognition guidance for nonfinancial assets. ASU 2017-05 also clarifies that an entity should identify each distinct nonfinancial asset or in substance nonfinancial asset promised to a counterparty and derecognize each asset when a counterparty obtains control of it with the amount of revenue recognized based on the allocation guidance provided in ASU 2014-09. ASU 2017-05 also requires an entity to derecognize a distinct nonfinancial asset or distinct in substance nonfinancial asset in a partial sale transaction when it 1) does not have (or ceases to have) a controlling financial interest in the legal entity that holds the asset in accordance with Topic 810 and 2) transfers control of the asset in accordance with the provisions of ASU 2014-09. Once an entity transfers control of a distinct nonfinancial asset or distinct in substance nonfinancial asset, it is required to measure any noncontrolling interest it receives (or retains) at fair value. ASU 2017-05 has the same effective date and transition provisions as ASU 2014-09 and the two standards must be adopted simultaneously although the transition methods may be different. FHN is evaluating the effects of ASU 2017-05 on its revenue recognition practices. Currently, FHN anticipates that it will elect to adopt the provisions of ASU 2017-05 through a cumulative effect to retained earnings with comparability disclosures provided throughout 2018. In January 2016, the FASB issued ASU 2016-01, “Recognition and Measurement of Financial Assets and Financial Liabilities.” ASU 2016-01 makes several revisions to the accounting, presentation and disclosure for financial instruments. Equity investments (except those accounted for under the equity method, those that result in consolidation of the investee, and those held by entities subject to specialized industry accounting which already apply fair value through earnings) are required to be measured at fair value with changes in fair value recognized in net income. This excludes FRB and FHLB stock holdings which are specifically exempted from the provisions of ASU 2016-01. An entity may elect to measure equity investments that do not have readily determinable market values at cost minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or similar instruments from the same issuer. ASU 2016-01 also requires a qualitative impairment review for equity investments without readily determinable fair values, with measurement at fair value required if impairment is determined to exist. For liabilities for which fair value has been elected, ASU 2016-01 revises current accounting to record the portion of fair value changes resulting from instrument-specific credit risk within other comprehensive income rather than earnings. FHN has not elected fair value accounting for any existing financial liabilities. Additionally, ASU 2016-01 clarifies that the need for a valuation allowance on a deferred tax asset related to available-for-sale securities should be assessed in combination with all other deferred tax assets rather than being assessed in isolation. ASU 2016-01 also makes several changes to existing fair value presentation and disclosure requirements, including a provision that all disclosures must use an exit price concept in the determination of fair value. ASU 2016-01 is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. Transition will be through a cumulative effect adjustment to retained earnings for equity investments with readily determinable fair values. Equity investments without readily determinable fair values, for which the accounting election is made, will have any initial fair value marks recorded through earnings prospectively after adoption. Upon adoption, FHN will reclassify all equity investments out of available-for-sale securities, leaving only debt securities within this classification. FHN has evaluated the nature of its current equity investments and determined that substantially all qualify for the election available to assets without readily determinable fair values, including its holdings of Visa Class B shares. Accordingly, FHN intends to apply this election and any fair value marks for these investments will be recognized through earnings on a prospective basis subsequent to adoption. FHN continues to evaluate the appropriate characteristics of “similar” instruments as well as related valuation inputs and methodologies for its equity investments without readily determinable fair values. The requirements of ASU 2016-01 related to assessment of deferred tax assets and disclosure of the fair value of financial instruments will not have a significant effect on FHN because its current accounting and disclosure practices conform to the requirements of ASU 2016-01. FHN also continues to evaluate the impact of ASU 2016-01 on other aspects of its current accounting and disclosure practices. In February 2016, the FASB issued ASU 2016-02, “Leases,” which requires a lessee to recognize in its statement of condition a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term. ASU 2016-02 leaves lessor accounting largely unchanged from prior standards. For leases with a term of 12 months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize lease assets and lease liabilities. If a lessee makes this election, it should recognize lease expense for such leases generally on a straight-line basis over the lease term. All other leases must be classified as financing or operating leases which depends on the relationship of the lessee’s rights to the economic value of the leased asset. For finance leases, interest on the lease liability is recognized separately from amortization of the right-of-use asset in earnings, resulting in higher expense in the earlier portion of the lease term. For operating leases, a single lease cost is calculated so that the cost of the lease is allocated over the lease term on a generally straight-line basis. In transition to ASU 2016-02, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. The modified retrospective approach includes a number of optional practical expedients that entities may elect to apply, which would result in continuing to account for leases that commence before the effective date in accordance with previous requirements (unless the lease is modified) except that lessees are required to recognize a right-of-use asset and a lease liability for all operating leases at each reporting date based on the present value of the remaining minimum rental payments that were tracked and disclosed under previous requirements. ASU 2016-02 also requires expanded qualitative and quantitative disclosures to assess the amount, timing, and uncertainty of cash flows arising from lease arrangements. ASU 2016-02 is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. FHN is evaluating the impact of ASU 2016-02 on its current accounting and disclosure practices. In March 2016, the FASB issued ASU 2016-04, “Recognition of Breakage of Certain Prepaid Stored-Value Products,” which indicates that liabilities related to the sale of prepaid stored-value products are considered financial liabilities and should have a breakage estimate applied for estimated unused funds. ASU 2016-04 does not apply to stored-value products that can only be redeemed for cash, are subject to escheatment or are linked to a segregated bank account. ASU 2016-04 is effective for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. FHN is evaluating the impact of ASU 2016-04 on its current accounting and disclosure practices. In June 2016, the FASB issued ASU 2016-13, “Measurement of Credit Losses on Financial Instruments,” which revises the measurement and recognition of credit losses for assets measured at amortized cost (e.g., held-to-maturity (“HTM”) loans and debt securities) and available-for-sale (“AFS”) debt securities. Under ASU 2016-13, for assets measured at amortized cost, the current expected credit loss (“CECL”) is measured as the difference between amortized cost and the net amount expected to be collected. This represents a departure from existing GAAP as the “incurred loss” methodology for recognizing credit losses delays recognition until it is probable a loss has been incurred. The measurement of current expected credit losses is based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. Additionally, current disclosures of credit quality indicators in relation to the amortized cost of financing receivables will be further disaggregated by year of origination. ASU 2016-13 leaves the methodology for measuring credit losses on AFS debt securities largely unchanged, with the maximum credit loss representing the difference between amortized cost and fair value. However, such credit losses will be recognized through an allowance for credit losses, which permits recovery of previously recognized credit losses if circumstances change. ASU 2016-13 also revises the recognition of credit losses for purchased financial assets with a more-than insignificant amount of credit deterioration since origination (“PCD assets”). For PCD assets, the initial allowance for credit losses is added to the purchase price. Only subsequent changes in the allowance for credit losses are recorded as a credit loss expense for PCD assets. Interest income for PCD assets will be recognized based on the effective interest rate, excluding the discount embedded in the purchase price that is attributable to the acquirer’s assessment of credit losses at acquisition. Currently, credit losses for purchased credit-impaired assets are included in the initial basis of the assets with subsequent declines in credit resulting in expense while subsequent improvements in credit are reflected as an increase in the future yield from the assets. The provisions of ASU 2016-13 will be generally adopted through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in the year of adoption. Prospective implementation is required for debt securities for which an other-than-temporary-impairment (“OTTI”) had been previously recognized. Amounts previously recognized in accumulated other comprehensive income (“AOCI”) as of the date of adoption that relate to improvements in cash flows expected to be collected will continue to be accreted into income over the remaining life of the asset. Recoveries of amounts previously written off relating to improvements in cash flows after the date of adoption will be recorded in earnings when received. A prospective transition approach will be used for existing PCD assets where, upon adoption, the amortized cost basis will be adjusted to reflect the addition of the allowance for credit losses. Thus, an entity will not be required to reassess its purchased financial assets that exist as of the date of adoption to determine whether they would have met at acquisition the new criteria of more-than-insignificant credit deterioration since origination. An entity will accrete the remaining noncredit discount (based on the revised amortized cost basis) into interest income at the effective interest rate at the adoption date. ASU 2016-13 is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted in fiscal years beginning after December 15, 2018. FHN continues to evaluate the impact of ASU 2016-13. FHN has met with industry experts, initiated training for key employees associated with the new standard, and defined an initial approach that it is currently testing. Once testing is completed, FHN will then begin to develop the formal models and processes that will be required in the implementation of the new standard. In August 2016, the FASB issued ASU 2016-15, “Classification of Certain Cash Receipts and Cash Payments,” which clarifies multiple cash flow presentation issues including providing guidance as to classification on the cash flow statement for certain cash receipts and cash payments where diversity in practice exists. ASU 2016-15 is effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The provisions of ASU 2016-15 will be applied retroactively and will result in proceeds from bank-owned life insurance (“BOLI”) being classified as an investing activity rather than their prior classification as an operating activity. In March 2017, the FASB issued ASU 2017-07, “Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost” which requires the disaggregation of the service cost component from the other components of net benefit cost for pension and postretirement plans. Service cost must be included in the same income statement line item as other compensation-related expenses. All other components of net benefit cost are required to be presented in the income statement separately from the service cost component, with disclosure of the line items where these amounts are recorded. The presentation requirements of ASU 2017-07 must be applied retrospectively and adoption is required for annual periods beginning after December 15, 2017, including interim periods within those annual periods. FHN’s disclosures for pension and postretirement costs provide details of the service cost and all other components for expenses recognized for its applicable benefit plans. These amounts are currently included in Employee compensation, incentives, and benefits expense in the Consolidated Condensed Statements of Income. Upon adoption of ASU 2017-07 FHN will reclassify the expense components other than service cost into All other expense and revise its disclosures accordingly. The amounts to be reclassified are presented in Note 11—Pension, Savings, and Other Employee Benefits in this Quarterly Report on Form 10-Q for the quarter ended September 30, 2017 and in Note 18—Pension, Savings, and Other Employee Benefits in Exhibit 13 to FHN’s Annual Report on Form 10-K for the year ended December 31, 2016. In March 2017, the FASB issued ASU 2017-08, “Premium Amortization on Purchased Callable Debt Securities” which shortens the amortization period for securities that have explicit, noncontingent call features that are callable at fixed prices and on preset dates. In contrast to the current requirement for premium amortization to extend to the contractual maturity date, ASU 2017-08 requires the premium to be amortized to the earliest call date. ASU 2017-08 does not change the amortization of discounts, which will continue to be amortized to maturity. The new guidance does not apply to debt securities where the prepayment date is not preset or the price is not known in advance, which includes debt securities that qualify for amortization based on estimated prepayment rates. ASU 2017-08 is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018 with early adoption permitted. Transition is accomplished through a cumulative-effect adjustment directly to retained earnings as of the beginning of the year of adoption. Based upon the current composition of its debt securities portfolios, FHN does not anticipate a significant effect upon adoption. In August 2017, the FASB issued ASU 2017-12, “Targeted Improvements to Accounting for Hedging Activities” which revises the financial reporting for hedging relationships through changes to both the designation and measurement requirements for qualifying hedge relationships and the presentation of hedge results. ASU 2017-12 expands permissible risk component hedging strategies, including the designation of a contractually specified interest rate (e.g., a bank’s prime rate) in hedges of cash flows from variable rate financial instruments. Additionally, ASU 2017-12 makes significant revisions to fair value hedging activities, including the ability to measure the fair value changes for a hedged item solely for changes in the benchmark interest rate, permitting partial-term hedges, limiting consideration of prepayment risk for hedged debt instruments solely to the effects of changes in the benchmark interest rate and allowing for certain hedging strategies to be applied to closed portfolios of prepayable debt instruments. ASU 2017-12 also provides elections for the exclusion of certain portions of a hedging instrument’s change in fair value from the assessment of hedge effectiveness. If elected, the fair value changes of these excluded components may be recognized immediately or recorded into other comprehensive income with recycling into earnings using a rational and systematic methodology over the life of the hedging instrument. Under ASU 2017-12 some of the documentation requirements for hedge accounting relationships are relaxed, but the highly effective threshold has been retained. Hedge designation documentation and a prospective qualitative assessment are still required at hedge inception, but the initial quantitative analysis may be delayed until the end of the quarter the hedge is commenced. If certain criteria are met, an election can be made to perform future effectiveness assessments using a purely qualitative methodology. ASU 2017-12 also revises the income statement presentation requirements for hedging activities. For fair value hedges, the entire change in the fair value of the hedging instrument included in the assessment of effectiveness is recorded to the same income statement line item used to present the earnings effect of the hedged item. For cash flow hedges, the entire fair value change of the hedging instrument that is included in the assessment of hedge effectiveness is initially recorded in other comprehensive income and later recycled into earnings as the hedged transaction(s) affect net income with the income statement effects recorded in the same financial statement line item used to present the earnings effect of the hedged item. ASU 2017-12 also makes revisions to the current disclosure requirements for hedging activities to reflect the presentation of hedging results consistent with the changes to income statement classification and to improve the disclosure of the hedging results on the balance sheet. ASU 2017-12 is effective for fiscal years beginning after December 15, 2018 with early adoption permitted in any period after issuance. Adoption for all existing hedging relationships is performed through a cumulative effect adjustment to the applicable balance sheet accounts with an offset to retained earnings as of the beginning of the fiscal year. FHN is evaluating the effects of adopting ASU 2017-12 on its current and potential future hedging relationships. Currently, FHN anticipates early adoption in the first quarter of 2018. Upon adoption of ASU 2017-12, FHN will prospectively record components of hedging results for its fair value and cash flow hedges previously recognized in other expense within either interest income or interest expense. Additionally, FHN will make cumulative effect adjustments to the hedged items, accumulated other comprehensive income and retained earnings as of the beginning of 2018. The magnitude of the cumulative effect adjustments and prospective effects are expected to be insignificant for FHN’s existing hedge relationships.

Acquisitions and Divestitures A

Acquisitions and Divestitures Acquisitions and Divestitures (Tables)	9 Months Ended
	Sep. 30, 2017
Business Combinations [Abstract]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]	The following schedule details acquired assets and liabilities and consideration paid, as well as adjustments to record the assets and liabilities at their estimated fair values as of April 3, 2017: Coastal Securities, Inc. Purchase Accounting/ As Fair Value As recorded (Dollars in thousands) Acquired Adjustments by FHN Assets: Cash and due from banks $ 7,502 $ — $ 7,502 Interest-bearing cash 4,132 — 4,132 Trading securities 423,662 (284,580 ) 139,082 Loans held-for-sale — 236,088 236,088 Investment securities — 1,413 1,413 Other intangible assets, net — 27,300 27,300 Premises and equipment, net 1,229 — 1,229 Other assets 1,658 14 1,672 Total assets acquired $ 438,183 $ (19,765 ) $ 418,418 Liabilities: Securities sold under agreements to repurchase $ 201,595 $ — $ 201,595 Other short-term borrowings 33,509 — 33,509 Fixed income payables 143,647 (47,158 ) 96,489 Other liabilities 958 (642 ) 316 Total liabilities assumed 379,709 (47,800 ) 331,909 Net Assets Acquired $ 58,474 $ 28,035 86,509 Consideration paid: Cash (131,473 ) Goodwill $ 44,964

Investment Securities (Tables)

Investment Securities (Tables)	9 Months Ended
	Sep. 30, 2017
Marketable Securities [Abstract]
Schedule Of FHN's Investment Securities	The following tables summarize FHN’s investment securities on September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value Securities available-for-sale: U.S. treasuries $ 100 $ — $ — $ 100 Government agency issued mortgage-backed securities (“MBS”) 2,081,677 15,993 (10,165 ) 2,087,505 Government agency issued collateralized mortgage obligations (“CMO”) 1,701,467 4,295 (19,767 ) 1,685,995 Equity and other (a) 186,413 2 — 186,415 $ 3,969,657 $ 20,290 $ (29,932 ) 3,960,015 AFS debt securities recorded at fair value through earnings: SBA-interest only strips (b) 3,123 Total securities available-for-sale (c) $ 3,963,138 Securities held-to-maturity: Corporate bonds $ 10,000 $ — $ (15 ) $ 9,985 Total securities held-to-maturity $ 10,000 $ — $ (15 ) $ 9,985 (a) Includes restricted investments in FHLB-Cincinnati stock of $87.9 million and FRB stock of $68.6 million . The remainder is money market, mutual funds, and cost method investments. (b) SBA-interest only strips are recorded at elected fair value. See Note 16 - Fair Value for additional information. (c) Includes $3.3 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes. December 31, 2016 (Dollars in thousands) Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value Securities available-for-sale: U.S. treasuries $ 100 $ — $ — $ 100 Government agency issued MBS 2,217,593 14,960 (23,866 ) 2,208,687 Government agency issued CMO 1,566,986 4,909 (23,937 ) 1,547,958 Equity and other (a) 186,756 — (2 ) 186,754 Total securities available-for-sale (b) $ 3,971,435 $ 19,869 $ (47,805 ) $ 3,943,499 Securities held-to-maturity: States and municipalities $ 4,347 $ 393 $ — $ 4,740 Corporate bonds 10,000 33 — 10,033 Total securities held-to-maturity $ 14,347 $ 426 $ — $ 14,773 (a) Includes restricted investments in FHLB-Cincinnati stock of $87.9 million and FRB stock of $68.6 million . The remainder is money market, mutual funds, and cost method investments. (b) Includes $3.3 billion of securities pledged to secure public deposits, securities sold under agreements to repurchase, and for other purposes.
Schedule Of Amortized Cost And Fair Value By Contractual Maturity	The amortized cost and fair value by contractual maturity for the available-for-sale and held-to-maturity securities portfolios on September 30, 2017 are provided below: Held-to-Maturity Available-for-Sale (Dollars in thousands) Amortized Cost Fair Value Amortized Cost Fair Value Within 1 year $ — $ — $ — $ — After 1 year; within 5 years — — 100 120 After 5 years; within 10 years 10,000 9,985 — 1,464 After 10 years — — — 1,639 Subtotal 10,000 9,985 100 3,223 Government agency issued MBS and CMO (a) — — 3,783,144 3,773,500 Equity and other — — 186,413 186,415 Total $ 10,000 $ 9,985 $ 3,969,657 $ 3,963,138 (a) Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
Schedule Of Gross Gains And Losses On Sale From Available For Sale Portfolio	The table below provides information on gross gains and gross losses from investment securities for the three and nine months ended September 30 : Three Months Ended Nine Months Ended (Dollars in thousands) 2017 2016 2017 2016 Gross gains on sales of securities $ 6 $ — $ 455 $ 3,999 Gross (losses) on sales of securities — — — (2,326 ) Net gain/(loss) on sales of securities (a) (b) 6 — 455 1,673 Net OTTI recorded (c) — (200 ) — (200 ) Total securities gain/(loss) $ 6 $ (200 ) $ 455 $ 1,473 (a) Cash proceeds from the sale of available-for-sale securities for the three and nine months ended September 30, 2017 were not material. There were no cash proceeds from the sale of available-for-sale securities for the three months ended September 30, 2016 . Cash proceeds from the sale of available-for-sale securities for the nine months ended September 30, 2016 were $1.5 million and included a $1.7 million gain from an exchange of approximately $294 million of AFS debt securities. (b) Nine months ended September 30, 2017 includes a $.4 million gain associated with the call of a $4.4 million held-to-maturity municipal bond. (c) OTTI recorded is related to equity securities.
Schedule Of Investments Within The Available For Sale Portfolio That Had Unrealized Losses	The following tables provide information on investments within the available-for-sale portfolio that had unrealized losses as of September 30, 2017 and December 31, 2016 : As of September 30, 2017 Less than 12 months 12 months or longer Total (Dollars in thousands) Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Government agency issued CMO $ 885,926 $ (10,936 ) $ 311,471 $ (8,831 ) $ 1,197,397 $ (19,767 ) Government agency issued MBS 875,307 (8,770 ) 34,184 (1,395 ) 909,491 (10,165 ) Total temporarily impaired securities 1,761,233 (19,706 ) 345,655 (10,226 ) 2,106,888 (29,932 ) As of December 31, 2016 Less than 12 months 12 months or longer Total (Dollars in thousands) Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Government agency issued CMO $ 1,059,471 $ (19,052 ) $ 116,527 $ (4,885 ) $ 1,175,998 $ (23,937 ) Government agency issued MBS 1,912,126 (23,866 ) — — 1,912,126 (23,866 ) Total debt securities 2,971,597 (42,918 ) 116,527 (4,885 ) 3,088,124 (47,803 ) Equity 7 (2 ) — — 7 (2 ) Total temporarily impaired securities $ 2,971,604 $ (42,920 ) $ 116,527 $ (4,885 ) $ 3,088,131 $ (47,805 )

Loans (Tables)

Loans (Tables)	9 Months Ended
	Sep. 30, 2017
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Schedule Of Loans By Portfolio Segment	The following table provides the balance of loans, net of unearned income, by portfolio segment as of September 30, 2017 and December 31, 2016 : September 30 December 31 (Dollars in thousands) 2017 2016 Commercial: Commercial, financial, and industrial $ 12,791,844 $ 12,148,087 Commercial real estate 2,251,015 2,135,523 Consumer: Consumer real estate (a) 4,369,717 4,523,752 Permanent mortgage 403,082 423,125 Credit card & other 350,433 359,033 Loans, net of unearned income $ 20,166,091 $ 19,589,520 Allowance for loan losses 194,867 202,068 Total net loans $ 19,971,224 $ 19,387,452 (a) Balances as of September 30, 2017 and December 31, 2016 , include $26.2 million and $35.9 million of restricted real estate loans, respectively. See Note 13—Variable Interest Entities for additional information.
Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Movement Schedule Rollforward [Table Text Block]	The following table presents a rollforward of the accretable yield for the three and nine months ended September 30, 2017 and 2016 : Three Months Ended Nine months ended (Dollars in thousands) 2017 2016 2017 2016 Balance, beginning of period $ 4,045 $ 6,171 $ 6,871 $ 8,542 Addition — 2,883 — 2,883 Accretion (642 ) (837 ) (2,412 ) (2,984 ) Adjustment for payoffs (198 ) (179 ) (1,232 ) (4,408 ) Adjustment for charge-offs — — — (674 ) Adjustment for pool excess recovery (a) — — (222 ) — Increase/(decrease) in accretable yield (b) (2 ) 686 112 5,398 Other — — 86 (33 ) Balance, end of period $ 3,203 $ 8,724 $ 3,203 $ 8,724 (a) Represents the removal of accretable difference for the remaining loans in a pool which is now in a recovery state. (b) Includes changes in the accretable yield due to both transfers from the nonaccretable difference and the impact of changes in the expected timing of the cash flows.
Schedule Of Acquired Purchase Credit Impaired Loans By Portfolio Segment	The following table reflects the outstanding principal balance and carrying amounts of the acquired PCI loans as of September 30, 2017 and December 31, 2016 : September 30, 2017 December 31, 2016 (Dollars in thousands) Carrying value Unpaid balance Carrying value Unpaid balance Commercial, financial and industrial $ 17,903 $ 21,239 $ 40,368 $ 41,608 Commercial real estate 3,842 4,933 4,763 6,514 Consumer real estate 940 1,259 1,172 1,677 Credit card and other — — 52 64 Total $ 22,685 $ 27,431 $ 46,355 $ 49,863
Information By Class Related To Individually Impaired Loans	The following tables provide information at September 30, 2017 and December 31, 2016 , by class related to individually impaired loans and consumer TDRs, regardless of accrual status. Recorded investment is defined as the amount of the investment in a loan, excluding any valuation allowance but including any direct write-down of the investment. For purposes of this disclosure, PCI loans and the TRUPs valuation allowance have been excluded. September 30, 2017 December 31, 2016 (Dollars in thousands) Recorded Unpaid Related Recorded Unpaid Related Impaired loans with no related allowance recorded: Commercial: General C&I $ 2,055 $ 10,769 $ — $ 10,419 $ 16,636 $ — Income CRE — — — — — — Total $ 2,055 $ 10,769 $ — $ 10,419 $ 16,636 $ — Consumer: HELOC (a) $ 10,513 $ 20,372 $ — $ 11,383 $ 21,662 $ — R/E installment loans (a) 4,431 5,135 — 3,957 4,992 — Permanent mortgage (a) 5,481 7,604 — 5,311 7,899 — Total $ 20,425 $ 33,111 $ — $ 20,651 $ 34,553 $ — Impaired loans with related allowance recorded: Commercial: General C&I $ 26,876 $ 27,345 $ 5,970 $ 34,334 $ 34,470 $ 3,294 TRUPS 3,097 3,700 925 3,209 3,700 925 Income CRE 1,525 1,525 43 1,831 2,209 62 Residential CRE 795 1,263 83 1,293 1,761 132 Total $ 32,293 $ 33,833 $ 7,021 $ 40,667 $ 42,140 $ 4,413 Consumer: HELOC $ 74,009 $ 76,587 $ 14,174 $ 84,711 $ 87,126 $ 15,927 R/E installment loans 46,905 47,708 9,762 53,409 54,559 12,875 Permanent mortgage 78,600 90,003 12,601 88,615 100,983 12,470 Credit card & other 544 544 246 306 306 133 Total $ 200,058 $ 214,842 $ 36,783 $ 227,041 $ 242,974 $ 41,405 Total commercial $ 34,348 $ 44,602 $ 7,021 $ 51,086 $ 58,776 $ 4,413 Total consumer $ 220,483 $ 247,953 $ 36,783 $ 247,692 $ 277,527 $ 41,405 Total impaired loans $ 254,831 $ 292,555 $ 43,804 $ 298,778 $ 336,303 $ 45,818 (a) All discharged bankruptcy loans are charged down to an estimate of net realizable value and do not carry any allowance. Three Months Ended September 30 Nine months ended September 30 2017 2016 2017 2016 (Dollars in thousands) Average Interest Average Interest Average Interest Average Interest Impaired loans with no related allowance recorded: Commercial: General C&I $ 5,771 $ — $ 13,708 $ — $ 8,706 $ — $ 12,088 $ — Income CRE — — 1,234 — — — 2,057 — Total $ 5,771 $ — $ 14,942 $ — $ 8,706 $ — $ 14,145 $ — Consumer: HELOC (a) $ 10,225 $ — $ 11,273 $ — $ 10,536 $ — $ 11,100 $ — R/E installment loans (a) 4,182 — 4,158 — 4,014 — 4,333 — Permanent mortgage (a) 5,693 — 4,280 — 5,701 — 4,292 — Total $ 20,100 $ — $ 19,711 $ — $ 20,251 $ — $ 19,725 $ — Impaired loans with related allowance recorded: Commercial: General C&I $ 26,144 $ 193 $ 33,433 $ 289 $ 29,136 $ 597 $ 29,896 $ 668 TRUPS 3,117 — 3,258 — 3,157 — 3,291 — Income CRE 1,628 11 3,211 15 1,737 39 4,376 55 Residential CRE 1,044 — 1,355 5 1,210 10 1,376 17 Total $ 31,933 $ 204 $ 41,257 $ 309 $ 35,240 $ 646 $ 38,939 $ 740 Consumer: HELOC $ 74,894 $ 554 $ 87,919 $ 546 $ 78,859 $ 1,695 $ 88,266 $ 1,527 R/E installment loans 47,628 315 57,775 357 49,634 950 58,890 1,019 Permanent mortgage 79,305 616 90,697 544 82,186 1,805 92,716 1,602 Credit card & other 452 3 348 4 351 8 353 10 Total $ 202,279 $ 1,488 $ 236,739 $ 1,451 $ 211,030 $ 4,458 $ 240,225 $ 4,158 Total commercial $ 37,704 $ 204 $ 56,199 $ 309 $ 43,946 $ 646 $ 53,084 $ 740 Total consumer $ 222,379 $ 1,488 $ 256,450 $ 1,451 $ 231,281 $ 4,458 $ 259,950 $ 4,158 Total impaired loans $ 260,083 $ 1,692 $ 312,649 $ 1,760 $ 275,227 $ 5,104 $ 313,034 $ 4,898 (a) All discharged bankruptcy loans are charged down to an estimate of net realizable value and do not carry any allowance.
Balances Of Commercial Loan Portfolio Classes, Disaggregated By PD Grade	The following tables provide the balances of commercial loan portfolio classes with associated allowance, disaggregated by PD grade as of September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) General C&I Loans to Mortgage Companies TRUPS (a) Income CRE Residential CRE Total Percentage of Total Allowance for Loan Losses PD Grade: 1 $ 583,818 $ — $ — $ 1,832 $ — $ 585,650 4 % $ 81 2 905,992 — — 3,777 112 909,881 6 385 3 500,056 643,772 — 156,694 — 1,300,522 9 277 4 1,026,592 578,566 — 295,781 212 1,901,151 13 955 5 1,460,107 211,846 — 443,751 2,053 2,117,757 14 7,697 6 1,519,911 362,685 — 413,342 6,114 2,302,052 14 9,857 7 1,705,394 60,135 — 446,493 8,372 2,220,394 14 13,297 8 1,042,209 34,623 — 259,813 4,908 1,341,553 9 20,963 9 556,662 60,954 — 66,082 4,276 687,974 5 11,376 10 395,187 — — 31,570 6,558 433,315 3 8,502 11 217,190 13,548 — 24,878 4,819 260,435 2 6,730 12 185,929 — — 10,798 2,709 199,436 1 7,065 13 142,729 — 304,236 38,979 91 486,035 3 6,927 14,15,16 226,924 26 — 10,062 819 237,831 2 23,974 Collectively evaluated for impairment 10,468,700 1,966,155 304,236 2,203,852 41,043 14,983,986 99 118,086 Individually evaluated for impairment 28,931 — 3,097 1,525 795 34,348 1 7,021 Purchased credit-impaired loans 20,725 — — 3,792 8 24,525 — 2,781 Total commercial loans $ 10,518,356 $ 1,966,155 $ 307,333 $ 2,209,169 $ 41,846 $ 15,042,859 100 % $ 127,888 December 31, 2016 (Dollars in thousands) General C&I Loans to Mortgage Companies TRUPS (a) Income CRE Residential CRE Total Percentage of Total Allowance for Loan Losses PD Grade: 1 $ 465,179 $ — $ — $ 1,078 $ — $ 466,257 3 % $ 77 2 791,183 — — 11,742 87 803,012 6 403 3 491,386 462,486 — 153,670 — 1,107,542 8 304 4 978,282 332,107 — 222,422 — 1,532,811 11 953 5 1,232,401 275,209 — 365,653 702 1,873,965 13 6,670 6 1,540,519 614,109 — 338,344 9,338 2,502,310 17 10,403 7 1,556,117 317,283 — 352,390 2,579 2,228,369 16 14,010 8 963,359 30,974 — 425,503 2,950 1,422,786 10 25,986 9 611,774 4,299 — 105,277 4,417 725,767 5 13,857 10 355,359 8,663 — 50,484 9,110 423,616 3 8,400 11 238,230 — — 20,600 6,541 265,371 2 6,556 12 170,531 — — 15,395 4,168 190,094 1 6,377 13 121,276 — 304,236 6,748 311 432,571 3 4,225 14,15,16 194,572 59 — 16,313 1,659 212,603 1 20,297 Collectively evaluated for impairment 9,710,168 2,045,189 304,236 2,085,619 41,862 14,187,074 99 118,518 Individually evaluated for impairment 44,753 — 3,209 1,831 1,293 51,086 1 4,413 Purchased credit-impaired loans 40,532 — — 4,583 335 45,450 — 319 Total commercial loans $ 9,795,453 $ 2,045,189 $ 307,445 $ 2,092,033 $ 43,490 $ 14,283,610 100 % $ 123,250 (a) Balances as of September 30, 2017 and December 31, 2016 , presented net of a $25.5 million valuation allowance. Based on the underlying structure of the notes, the highest possible internal grade is “ 13 ”.
Loans by FICO Score, Consumer	The following table reflects the percentage of balances outstanding by average, refreshed FICO scores for the HELOC, real estate installment, and permanent mortgage classes of loans as of September 30, 2017 and December 31, 2016 : September 30, 2017 December 31, 2016 HELOC R/E Installment Loans Permanent Mortgage HELOC R/E Installment Loans Permanent Mortgage FICO score 740 or greater 58.5 % 71.8 % 45.1 % 56.9 % 70.3 % 45.0 % FICO score 720-739 8.8 8.1 12.8 8.8 8.3 9.5 FICO score 700-719 8.2 6.6 11.0 8.6 6.8 9.2 FICO score 660-699 12.1 8.4 15.3 13.2 8.4 17.1 FICO score 620-659 5.6 2.7 7.0 5.6 3.5 9.1 FICO score less than 620 (a) 6.8 2.4 8.8 6.9 2.7 10.1 Total 100.0 % 100.0 % 100.0 % 100.0 % 100.0 % 100.0 % (a) For this group, a majority of the loan balances had FICO scores at the time of the origination that exceeded 620 but have since deteriorated as the loans have seasoned.
Accruing And Non-Accruing Loans By Class	The following table reflects accruing and non-accruing loans by class on September 30, 2017 : Accruing Non-Accruing (Dollars in thousands) Current 30-89 Days Past Due 90+ Days Past Due Total Accruing Current 30-89 Days Past Due 90+ Days Past Due Total Non- Accruing Total Loans Commercial (C&I): General C&I $ 10,462,376 $ 19,324 $ 129 $ 10,481,829 $ 5,260 $ 1,252 $ 9,290 $ 15,802 $ 10,497,631 Loans to mortgage companies 1,966,129 — — 1,966,129 — — 26 26 1,966,155 TRUPS (a) 304,236 — — 304,236 — — 3,097 3,097 307,333 Purchased credit-impaired loans 6,080 70 14,575 20,725 — — — — 20,725 Total commercial (C&I) 12,738,821 19,394 14,704 12,772,919 5,260 1,252 12,413 18,925 12,791,844 Commercial real estate: Income CRE 2,204,042 490 — 2,204,532 105 — 740 845 2,205,377 Residential CRE 41,043 — — 41,043 — — 795 795 41,838 Purchased credit-impaired loans 3,800 — — 3,800 — — — — 3,800 Total commercial real estate 2,248,885 490 — 2,249,375 105 — 1,535 1,640 2,251,015 Consumer real estate: HELOC 1,375,690 14,312 8,518 1,398,520 43,188 3,217 9,020 55,425 1,453,945 R/E installment loans 2,883,593 5,855 3,609 2,893,057 15,510 2,875 3,035 21,420 2,914,477 Purchased credit-impaired loans 1,198 — 97 1,295 — — — — 1,295 Total consumer real estate 4,260,481 20,167 12,224 4,292,872 58,698 6,092 12,055 76,845 4,369,717 Permanent mortgage 369,546 3,333 2,753 375,632 12,557 577 14,316 27,450 403,082 Credit card & other: Credit card 191,714 1,254 1,081 194,049 — — — — 194,049 Other 155,460 610 188 156,258 — — 126 126 156,384 Purchased credit-impaired loans — — — — — — — — — Total credit card & other 347,174 1,864 1,269 350,307 — — 126 126 350,433 Total loans, net of unearned income $ 19,964,907 $ 45,248 $ 30,950 $ 20,041,105 $ 76,620 $ 7,921 $ 40,445 $ 124,986 $ 20,166,091 (a) TRUPS is presented net of the valuation allowance of $25.5 million . The following table reflects accruing and non-accruing loans by class on December 31, 2016 : Accruing Non-Accruing (Dollars in thousands) Current 30-89 Days Past Due 90+ Days Past Due Total Accruing Current 30-89 Days Past Due 90+ Days Past Due Total Non- Accruing Total Loans Commercial (C&I): General C&I $ 9,720,231 $ 5,199 $ 23 $ 9,725,453 $ 16,106 $ 374 $ 12,988 $ 29,468 $ 9,754,921 Loans to mortgage companies 2,041,408 3,722 — 2,045,130 — — 59 59 2,045,189 TRUPS (a) 304,236 — — 304,236 — — 3,209 3,209 307,445 Purchased credit-impaired loans 40,113 185 234 40,532 — — — — 40,532 Total commercial (C&I) 12,105,988 9,106 257 12,115,351 16,106 374 16,256 32,736 12,148,087 Commercial real estate: Income CRE 2,085,455 14 — 2,085,469 232 460 1,289 1,981 2,087,450 Residential CRE 42,182 178 — 42,360 — — 795 795 43,155 Purchased credit-impaired loans 4,809 109 — 4,918 — — — — 4,918 Total commercial real estate 2,132,446 301 — 2,132,747 232 460 2,084 2,776 2,135,523 Consumer real estate: HELOC 1,602,640 17,997 10,859 1,631,496 46,964 4,201 8,922 60,087 1,691,583 R/E installment loans 2,794,866 7,844 5,158 2,807,868 17,989 2,383 2,353 22,725 2,830,593 Purchased credit-impaired loans 1,319 164 93 1,576 — — — — 1,576 Total consumer real estate 4,398,825 26,005 16,110 4,440,940 64,953 6,584 11,275 82,812 4,523,752 Permanent mortgage 385,972 4,544 5,428 395,944 11,867 2,194 13,120 27,181 423,125 Credit card & other: Credit card 188,573 1,622 1,456 191,651 — — — — 191,651 Other 166,062 992 134 167,188 — — 142 142 167,330 Purchased credit-impaired loans 52 — — 52 — — — — 52 Total credit card & other 354,687 2,614 1,590 358,891 — — 142 142 359,033 Total loans, net of unearned income $ 19,377,918 $ 42,570 $ 23,385 $ 19,443,873 $ 93,158 $ 9,612 $ 42,877 $ 145,647 $ 19,589,520 (a) TRUPS is presented net of the valuation allowance of $25.5 million .
Schedule Of Troubled Debt Restructurings Occurring During The Year	The following tables reflect portfolio loans that were classified as TDRs during the three and nine months ended September 30, 2017 and 2016 : Three Months Ended September 30, 2017 Nine Months Ended September 30, 2017 (Dollars in thousands) Number Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Number Pre-Modification Outstanding Recorded Investment Post-Modification Outstanding Recorded Investment Commercial (C&I): General C&I — $ — $ — 2 $ 842 $ 836 Total commercial (C&I) — — — 2 842 836 Consumer real estate: HELOC 45 4,451 4,396 107 9,333 9,139 R/E installment loans 15 1,630 1,622 43 3,386 3,306 Total consumer real estate 60 6,081 6,018 150 12,719 12,445 Permanent mortgage 2 34 32 11 2,043 2,028 Credit card & other 37 261 251 66 426 411 Total troubled debt restructurings 99 $ 6,376 $ 6,301 229 $ 16,030 $ 15,720 Three Months Ended September 30, 2016 Nine Months Ended September 30, 2016 (Dollars in thousands) Number Pre-Modification Post-Modification Number Pre-Modification Post-Modification Commercial (C&I): General C&I 2 $ 419 $ 419 7 $ 20,302 $ 19,194 Total commercial (C&I) 2 419 419 7 20,302 19,194 Commercial real estate: Income CRE 1 100 99 1 100 99 Total commercial real estate 1 100 99 1 100 99 Consumer real estate: HELOC 48 5,720 5,573 200 18,418 18,189 R/E installment loans 10 345 337 44 4,569 4,846 Total consumer real estate 58 6,065 5,910 244 22,987 23,035 Permanent mortgage 2 710 704 6 1,551 1,544 Credit card & other 10 45 44 15 66 64 Total troubled debt restructurings 73 $ 7,339 $ 7,176 273 $ 45,006 $ 43,936
Schedule Of Troubled Debt Restructurings Within The Previous 12 Months	The following tables present TDRs which re-defaulted during the three and nine months ended September 30, 2017 and 2016 , and as to which the modification occurred 12 months or less prior to the re-default. For purposes of this disclosure, FHN generally defines payment default as 30 or more days past due. Three Months Ended Nine Months Ended (Dollars in thousands) Number Recorded Investment Number Recorded Investment Commercial (C&I): General C&I 1 $ 1,763 4 $ 9,770 Total commercial (C&I) 1 1,763 4 9,770 Commercial real estate: Income CRE 1 88 1 88 Total commercial real estate 1 88 1 88 Consumer real estate: HELOC — — 4 685 Total consumer real estate — — 4 685 Permanent mortgage 1 89 2 627 Credit card & other 2 12 5 30 Total troubled debt restructurings 5 $ 1,952 16 $ 11,200 Three Months Ended Nine Months Ended (Dollars in thousands) Number Recorded Number Recorded Consumer real estate: HELOC — $ — 2 $ 138 R/E installment loans — — 1 180 Total consumer real estate — — 3 318 Total troubled debt restructurings — $ — 3 $ 318

Allowance for Loan Losses (Tabl

Allowance for Loan Losses (Tables)	9 Months Ended
	Sep. 30, 2017
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Rollforward Of The Allowance For Loan Losses By Portfolio Segment	The following table provides a rollforward of the allowance for loan losses by portfolio segment for the three and nine months ended September 30, 2017 and 2016 : (Dollars in thousands) C&I Commercial Real Estate Consumer Real Estate Permanent Mortgage Credit Card and Other Total Balance as of July 1, 2017 $ 92,379 $ 30,470 $ 46,069 $ 16,398 $ 11,941 $ 197,257 Charge-offs (3,723 ) — (3,601 ) (173 ) (3,173 ) (10,670 ) Recoveries 601 278 6,188 542 671 8,280 Provision/(provision credit) for loan losses 8,948 (1,065 ) (7,717 ) (1,048 ) 882 — Balance as of September 30, 2017 98,205 29,683 40,939 15,719 10,321 194,867 Balance as of January 1, 2017 $ 89,398 $ 33,852 $ 50,357 $ 16,289 $ 12,172 $ 202,068 Charge-offs (6,188 ) (20 ) (11,401 ) (1,499 ) (9,805 ) (28,913 ) Recoveries 2,877 639 17,007 1,933 2,256 24,712 Provision/(provision credit) for loan losses 12,118 (4,788 ) (15,024 ) (1,004 ) 5,698 (3,000 ) Balance as of September 30, 2017 98,205 29,683 40,939 15,719 10,321 194,867 Allowance - individually evaluated for impairment 6,895 126 23,936 12,601 246 43,804 Allowance - collectively evaluated for impairment 88,529 29,557 16,649 3,118 10,075 147,928 Allowance - purchased credit-impaired loans 2,781 — 354 — — 3,135 Loans, net of unearned as of September 30, 2017: Individually evaluated for impairment 32,028 2,320 135,858 84,081 544 254,831 Collectively evaluated for impairment 12,739,091 2,244,895 4,232,564 319,001 349,889 19,885,440 Purchased credit-impaired loans 20,725 3,800 1,295 — — 25,820 Total loans, net of unearned income $ 12,791,844 $ 2,251,015 $ 4,369,717 $ 403,082 $ 350,433 $ 20,166,091 Balance as of July 1, 2016 $ 80,972 $ 30,264 $ 59,081 $ 17,600 $ 11,890 $ 199,807 Charge-offs (1,992 ) (49 ) (4,359 ) (373 ) (3,589 ) (10,362 ) Recoveries 725 651 5,591 239 906 8,112 Provision/(provision credit) for loan losses 7,161 1,554 (7,078 ) (877 ) 3,240 4,000 Balance as of September 30, 2016 86,866 32,420 53,235 16,589 12,447 201,557 Balance as of January 1, 2016 $ 73,637 $ 25,159 $ 80,614 $ 18,947 $ 11,885 $ 210,242 Charge-offs (16,386 ) (742 ) (17,867 ) (834 ) (10,441 ) (46,270 ) Recoveries 3,107 1,782 17,408 1,502 2,786 26,585 Provision/(provision credit) for loan losses 26,508 6,221 (26,920 ) (3,026 ) 8,217 11,000 Balance as of September 30, 2016 86,866 32,420 53,235 16,589 12,447 201,557 Allowance - individually evaluated for impairment 5,187 216 29,461 14,611 139 49,614 Allowance - collectively evaluated for impairment 81,376 31,674 23,441 1,978 12,308 150,777 Allowance - purchased credit-impaired loans 303 530 333 — — 1,166 Loans, net of unearned as of September 30, 2016: Individually evaluated for impairment 49,351 3,302 158,909 94,071 340 305,973 Collectively evaluated for impairment 12,022,457 2,053,101 4,417,896 342,029 357,032 19,192,515 Purchased credit-impaired loans 46,490 9,192 1,566 — 51 57,299 Total loans, net of unearned income $ 12,118,298 $ 2,065,595 $ 4,578,371 $ 436,100 $ 357,423 $ 19,555,787

Intangible Assets (Tables)

Intangible Assets (Tables)	9 Months Ended
	Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Summary Of Intangible Assets and Accumulated Amortization Included In The Consolidated Statements of Condition	The following is a summary of other intangible assets included in the Consolidated Condensed Statements of Condition: September 30, 2017 December 31, 2016 (Dollars in thousands) Gross Carrying Amount Accumulated Amortization Net Carrying Value Gross Carrying Amount Accumulated Amortization Net Carrying Value Core deposit intangibles $ 16,850 $ (6,154 ) $ 10,696 $ 16,850 $ (4,721 ) $ 12,129 Customer relationships (a) 76,865 (49,496 ) 27,369 54,865 (46,302 ) 8,563 Other (a) (b) 5,622 (530 ) 5,092 555 (230 ) 325 Total $ 99,337 $ (56,180 ) $ 43,157 $ 72,270 $ (51,253 ) $ 21,017 (a) 2017 increase associated with the Coastal acquisition. (b) Balance primarily includes noncompete covenants, as well as $ .3 million related to state banking licenses not subject to amortization.
Schedule of Estimated Aggregate Amortization Expense for Intangible Assets	As of September 30, 2017 the estimated aggregated amortization expense is expected to be: (Dollars in thousands) Year Amortization Remainder of 2017 $ 1,964 2018 7,483 2019 7,179 2020 4,303 2021 4,123 2022 3,356
Summary Of Gross Goodwill And Accumulated Impairment Losses And Write-Offs Detailed By Reportable Segments	The following is a summary of goodwill by reportable segment included in the Consolidated Condensed Statements of Condition as of September 30, 2017 and December 31, 2016 . (Dollars in thousands) Regional Banking Fixed Income Total December 31, 2015 $ 93,303 $ 98,004 $ 191,307 Additions 64 — 64 September 30, 2016 $ 93,367 $ 98,004 $ 191,371 December 31, 2016 $ 93,367 $ 98,004 $ 191,371 Additions (a) — 44,964 44,964 September 30, 2017 $ 93,367 $ 142,968 $ 236,335 (a) See Note 2 - Acquisitions and Divestitures for further details regarding goodwill related to acquisitions.

Other Income And Other Expense

Other Income And Other Expense (Tables)	9 Months Ended
	Sep. 30, 2017
Other Nonoperating Income (Expense) [Abstract]
Other Income And Other Expense	Following is detail of All other income and commissions and All other expense as presented in the Consolidated Condensed Statements of Income: Three Months Ended Nine Months Ended (Dollars in thousands) 2017 2016 2017 2016 All other income and commissions: ATM interchange fees $ 3,137 $ 3,081 $ 8,998 $ 8,918 Other service charges 2,954 3,004 9,047 8,713 Mortgage banking 1,354 5,524 3,883 7,395 Electronic banking fees 1,282 1,398 3,911 4,176 Letter of credit fees 1,211 981 3,369 3,157 Deferred compensation 1,128 1,038 4,446 2,162 Insurance commissions 567 1,262 2,042 2,301 Gain/(loss) on extinguishment of debt (a) (14,329 ) — (14,329 ) — Other 2,739 5,518 7,684 10,594 Total $ 43 $ 21,806 $ 29,051 $ 47,416 All other expense: Litigation and regulatory matters $ 8,162 $ 260 $ 8,403 $ 25,785 Travel and entertainment 2,798 2,478 8,308 7,035 Other insurance and taxes 2,396 2,625 7,229 8,952 Customer relations 1,361 1,442 4,240 4,804 Employee training and dues 1,198 1,360 4,194 4,088 Supplies 928 1,158 2,884 3,114 Tax credit investments 762 788 2,646 2,325 Miscellaneous loan costs 757 676 2,078 1,958 OREO 303 815 953 125 Other 9,033 8,326 29,954 30,669 Total $ 27,698 $ 19,928 $ 70,889 $ 88,855

Components of Other Comprehen33

Components of Other Comprehensive Income/(Loss) (Tables)	9 Months Ended
	Sep. 30, 2017
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income/(Loss)	The following table provides the changes in accumulated other comprehensive income/(loss) by component, net of tax, for the three and nine months ended September 30, 2017 and 2016 : (Dollars in thousands) Securities AFS Cash Flow Pension and Total Balance as of July 1, 2017 $ (9,857 ) $ (1,024 ) $ (226,581 ) $ (237,462 ) Net unrealized gains/(losses) 3,918 (91 ) 490 4,317 Amounts reclassified from AOCI (1 ) (643 ) 1,405 761 Other comprehensive income/(loss) 3,917 (734 ) 1,895 5,078 Balance as of September 30, 2017 $ (5,940 ) $ (1,758 ) $ (224,686 ) $ (232,384 ) Balance as of January 1, 2017 $ (17,232 ) $ (1,265 ) $ (229,157 ) $ (247,654 ) Net unrealized gains/(losses) 11,570 1,906 490 13,966 Amounts reclassified from AOCI (278 ) (2,399 ) 3,981 1,304 Other comprehensive income/(loss) 11,292 (493 ) 4,471 15,270 Balance as of September 30, 2017 $ (5,940 ) $ (1,758 ) $ (224,686 ) $ (232,384 ) (Dollars in thousands) Securities AFS Cash Flow Pension and Total Balance as of July 1, 2016 $ 58,591 $ 4,691 $ (215,616 ) $ (152,334 ) Net unrealized gains/(losses) (7,887 ) (1,211 ) — (9,098 ) Amounts reclassified from AOCI — (359 ) 963 604 Other comprehensive income/(loss) (7,887 ) (1,570 ) 963 (8,494 ) Balance as of September 30, 2016 $ 50,704 $ 3,121 $ (214,653 ) $ (160,828 ) Balance as of January 1, 2016 $ 3,394 $ — $ (217,586 ) $ (214,192 ) Net unrealized gains/(losses) 48,330 4,228 — 52,558 Amounts reclassified from AOCI (1,020 ) (1,107 ) 2,933 806 Other comprehensive income/(loss) 47,310 3,121 2,933 53,364 Balance as of September 30, 2016 $ 50,704 $ 3,121 $ (214,653 ) $ (160,828 )
Reclassification Out Of Accumulated Other Comprehensive Income	Reclassifications from AOCI, and related tax effects, were as follows: (Dollars in thousands) Three Months Ended Nine Months Ended Details about AOCI 2017 2016 2017 2016 Affected line item in the statement where net income is presented Securities AFS: Realized (gains)/losses on securities AFS $ (1 ) $ — $ (450 ) $ (1,654 ) Debt securities gains/(losses), net Tax expense/(benefit) — — 172 634 Provision/(benefit) for income taxes (1 ) — (278 ) (1,020 ) Cash flow hedges: Realized (gains)/losses on cash flow hedges (1,041 ) (582 ) (3,886 ) (1,795 ) Interest and fees on loans Tax expense/(benefit) 398 223 1,487 688 Provision/(benefit) for income taxes (643 ) (359 ) (2,399 ) (1,107 ) Pension and Postretirement Plans: Amortization of prior service cost and net actuarial gain/(loss) 2,277 1,561 6,450 4,756 Employee compensation, incentives, and benefits Tax expense/(benefit) (872 ) (598 ) (2,469 ) (1,823 ) Provision/(benefit) for income taxes 1,405 963 3,981 2,933 Total reclassification from AOCI $ 761 $ 604 $ 1,304 $ 806

Earnings Per Share (Tables)

Earnings Per Share (Tables)	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Schedule Of Reconciliation Of Earnings/(Loss) Per Common And Diluted Share	The following table provides reconciliations of net income to net income available to common shareholders and the difference between average basic common shares outstanding and average diluted common shares outstanding: Three Months Ended Nine Months Ended (Dollars and shares in thousands, except per share data) 2017 2016 2017 2016 Net income/(loss) $ 71,769 $ 67,635 $ 225,361 $ 180,788 Net income attributable to noncontrolling interest 2,883 2,883 8,555 8,586 Net income/(loss) attributable to controlling interest 68,886 64,752 216,806 172,202 Preferred stock dividends 1,550 1,550 4,650 4,650 Net income/(loss) available to common shareholders $ 67,336 $ 63,202 $ 212,156 $ 167,552 Weighted average common shares outstanding—basic 233,749 231,856 233,438 232,690 Effect of dilutive securities 2,591 2,236 2,934 2,085 Weighted average common shares outstanding—diluted 236,340 234,092 236,372 234,775 Net income/(loss) per share available to common shareholders $ 0.29 $ 0.27 $ 0.91 $ 0.72 Diluted income/(loss) per share available to common shareholders $ 0.28 $ 0.27 $ 0.90 $ 0.71
Schedule Of Anti-Dilutive Options and Awards	The following table presents outstanding options and other equity awards that were excluded from the calculation of diluted earnings per share because they were either anti-dilutive (the exercise price was higher than the weighted-average market price for the period) or the performance conditions have not been met: Three Months Ended Nine Months Ended (Shares in thousands) 2017 2016 2017 2016 Stock options excluded from the calculation of diluted EPS 2,595 2,793 2,490 2,996 Weighted average exercise price of stock options excluded from the calculation of diluted EPS $ 25.00 $ 24.95 $ 25.70 $ 25.21 Other equity awards excluded from the calculation of diluted EPS 1,002 371 325 51

Pension, Savings, And Other E35

Pension, Savings, And Other Employee Benefits (Tables)	9 Months Ended
	Sep. 30, 2017
General Discussion of Pension and Other Postretirement Benefits [Abstract]
Schedule Of Components Of Net Periodic Benefit Cost	The components of net periodic benefit cost for the three months ended September 30 are as follows: Pension Benefits Other Benefits (Dollars in thousands) 2017 2016 2017 2016 Components of net periodic benefit cost Service cost $ 9 $ 10 $ 26 $ 28 Interest cost 7,276 7,648 328 335 Expected return on plan assets (9,230 ) (9,797 ) (236 ) (227 ) Amortization of unrecognized: Prior service cost/(credit) 13 48 23 43 Actuarial (gain)/loss 2,380 1,971 (140 ) (143 ) Net periodic benefit cost/(credit) $ 448 $ (120 ) $ 1 $ 36 The components of net periodic benefit cost for the nine months ended September 30 are as follows: Pension Benefits Other Benefits (Dollars in thousands) 2017 2016 2017 2016 Components of net periodic benefit cost Service cost $ 28 $ 30 $ 80 $ 83 Interest cost 22,035 23,412 979 969 Expected return on plan assets (27,011 ) (29,342 ) (710 ) (685 ) Amortization of unrecognized: Prior service cost/(credit) 39 147 71 128 Actuarial (gain)/loss 7,140 6,106 (425 ) (608 ) Net periodic benefit cost/(credit) $ 2,231 $ 353 $ (5 ) $ (113 )

Business Segment Information (T

Business Segment Information (Tables)	9 Months Ended
	Sep. 30, 2017
Segment Reporting, Measurement Disclosures [Abstract]
Amounts Of Consolidated Revenue, Expense, Tax And Assets	The following table reflects the amounts of consolidated revenue, expense, tax, and average assets for each segment for the three and nine months ended September 30 : Three Months Ended Nine Months Ended (Dollars in thousands) 2017 2016 2017 2016 Consolidated Net interest income $ 209,817 $ 185,195 $ 600,226 $ 533,533 Provision/(provision credit) for loan losses — 4,000 (3,000 ) 11,000 Noninterest income 112,417 148,545 357,029 428,364 Noninterest expense 236,869 233,558 676,991 687,307 Income/(loss) before income taxes 85,365 96,182 283,264 263,590 Provision/(benefit) for income taxes (a) 13,596 28,547 57,903 82,802 Net income/(loss) $ 71,769 $ 67,635 $ 225,361 $ 180,788 Average assets $ 28,874,827 $ 27,609,702 $ 28,852,679 $ 27,021,137 Three Months Ended Nine Months Ended (Dollars in thousands) 2017 2016 2017 2016 Regional Banking Net interest income $ 209,319 $ 190,508 $ 604,680 $ 541,135 Provision/(provision credit) for loan losses 8,552 8,544 11,910 34,195 Noninterest income 64,369 65,128 188,082 185,679 Noninterest expense 150,464 145,050 451,175 454,970 Income/(loss) before income taxes 114,672 102,042 329,677 237,649 Provision/(benefit) for income taxes 41,267 37,027 118,986 84,736 Net income/(loss) $ 73,405 $ 65,015 $ 210,691 $ 152,913 Average assets $ 19,158,458 $ 17,582,899 $ 18,519,584 $ 16,704,462 Fixed Income Net interest income $ 5,979 $ 2,411 $ 12,109 $ 8,224 Noninterest income 55,802 72,073 161,829 217,278 Noninterest expense 53,105 59,423 155,791 180,850 Income/(loss) before income taxes 8,676 15,061 18,147 44,652 Provision/(benefit) for income taxes 2,979 5,518 5,949 16,195 Net income/(loss) $ 5,697 $ 9,543 $ 12,198 $ 28,457 Average assets $ 2,586,997 $ 2,305,986 $ 2,388,984 $ 2,348,640 Corporate Net interest income/(expense) $ (13,990 ) $ (18,193 ) $ (43,060 ) $ (48,401 ) Noninterest income (b) (9,477 ) 5,134 2,217 15,766 Noninterest expense 23,935 14,929 65,390 44,320 Income/(loss) before income taxes (47,402 ) (27,988 ) (106,233 ) (76,955 ) Provision/(benefit) for income taxes (a) (34,255 ) (16,736 ) (83,019 ) (40,695 ) Net income/(loss) $ (13,147 ) $ (11,252 ) $ (23,214 ) $ (36,260 ) Average assets $ 5,698,161 $ 5,880,268 $ 6,421,890 $ 6,024,736 Non-Strategic Net interest income $ 8,509 $ 10,469 $ 26,497 $ 32,575 Provision/(provision credit) for loan losses (8,552 ) (4,544 ) (14,910 ) (23,195 ) Noninterest income 1,723 6,210 4,901 9,641 Noninterest expense 9,365 14,156 4,635 7,167 Income/(loss) before income taxes 9,419 7,067 41,673 58,244 Provision/(benefit) for income taxes 3,605 2,738 15,987 22,566 Net income/(loss) $ 5,814 $ 4,329 $ 25,686 $ 35,678 Average assets $ 1,431,211 $ 1,840,549 $ 1,522,221 $ 1,943,299 Certain previously reported amounts have been reclassified to agree with current presentation. (a) Provision/(benefit) for income taxes for consolidated results and the Corporate segment for the three and nine months ended September 30, 2017, relative to the prior year periods, was affected by a decline in the effective tax rate in 2017 primarily related to the reversal of the valuation allowance for the deferred tax asset related to its 2012 federal capital loss carryforward based on capital gain transactions initiated in second quarter 2017. See Note 15 – Income Taxes in the Notes to Consolidated Financial Statements on FHN’s Form 10-K for the year ended December 31, 2016, for additional information related to FHN's valuation allowance related to its capital loss carryforward. (b) Three and nine months ended September 30, 2017 includes a $ 14.3 million pre-tax loss from the repurchase of equity securities previously included in a financing transaction.

Variable Interest Entities (Tab

Variable Interest Entities (Tables)	9 Months Ended
	Sep. 30, 2017
Variable Interest Entities [Abstract]
Summary Of VIEs Consolidated By FHN	The following table summarizes VIEs consolidated by FHN as of September 30, 2017 and December 31, 2016 : September 30, 2017 December 31, 2016 On-Balance Sheet Consumer Loan Securitization Rabbi Trusts Used for Deferred Compensation Plans On-Balance Sheet Consumer Loan Securitization Rabbi Trusts Used for Deferred Compensation Plans ( Dollars in thousands ) Carrying Value Carrying Value Carrying Value Carrying Value Assets: Cash and due from banks $ — N/A $ — N/A Loans, net of unearned income 26,210 N/A 35,873 N/A Less: Allowance for loan losses — N/A 587 N/A Total net loans 26,210 N/A 35,286 N/A Other assets 47 $ 77,997 283 $ 74,160 Total assets $ 26,257 $ 77,997 $ 35,569 $ 74,160 Liabilities: Term borrowings $ 13,354 N/A $ 23,126 N/A Other liabilities 3 $ 58,785 3 $ 54,746 Total liabilities $ 13,357 $ 58,785 $ 23,129 $ 54,746
Summary of the Impact of Qualifying LIHTC Investments	The following table summarizes the impact to the Provision/(benefit) for income taxes on the Consolidated Condensed Statements of Income for the three and nine months ended September 30, 2017 , and 2016 for LIHTC investments accounted for under the proportional amortization method. Three Months Ended Nine Months Ended ( Dollars in thousands ) 2017 2016 2017 2016 Provision/(benefit) for income taxes: Amortization of qualifying LIHTC investments $ 3,774 $ 5,445 $ 8,414 $ 10,073 Low income housing tax credits (3,103 ) (2,615 ) (8,101 ) (7,672 ) Other tax benefits related to qualifying LIHTC investments (2,478 ) (6,131 ) (4,307 ) (8,310 )
Summary Of VIEs Not Consolidated By FHN	The following table summarizes FHN’s nonconsolidated VIEs as of September 30, 2017 : (Dollars in thousands) Maximum Loss Exposure Liability Recognized Classification Type Low income housing partnerships $ 96,007 $ 34,236 (a) Other tax credit investments (b) (c) 20,444 — Other assets Small issuer trust preferred holdings (d) 332,873 — Loans, net of unearned income On-balance sheet trust preferred securitization 48,902 65,272 (e) Proprietary residential mortgage securitizations 2,300 — Trading securities Holdings of agency mortgage-backed securities (d) 4,173,080 — (f) Commercial loan troubled debt restructurings (g) 21,763 — Loans, net of unearned income Sale-leaseback transaction 14,827 — (h) (a) Maximum loss exposure represents $61.8 million of current investments and $34.2 million of accrued contractual funding commitments. Accrued funding commitments represent unconditional contractual obligations for future funding events, and are also recognized in Other liabilities. FHN currently expects to be required to fund these accrued commitments by the end of 2020. (b) A liability is not recognized as investments are written down over the life of the related tax credit. (c) Maximum loss exposure represents current investment balance. Of the initial investment, $18.0 million was funded through loans from community development enterprises. (d) Maximum loss exposure represents the value of current investments. A liability is not recognized as FHN is solely a holder of the trusts’ securities. (e) Includes $112.5 million classified as Loans, net of unearned income, and $1.7 million classified as Trading securities which are offset by $65.3 million classified as Term borrowings. (f) Includes $.4 billion classified as Trading securities and $3.8 billion classified as Securities available-for-sale. (g) Maximum loss exposure represents $21.1 million of current receivables and $.6 million of contractual funding commitments on loans related to commercial borrowers involved in a troubled debt restructuring. (h) Maximum loss exposure represents the current loan balance plus additional funding commitments less amounts received from the buyer-lessor. The following table summarizes FHN’s nonconsolidated VIEs as of December 31, 2016 : (Dollars in thousands) Maximum Loss Exposure Liability Recognized Classification Type Low income housing partnerships $ 73,582 $ 17,398 (a) Other tax credit investments (b) (c) 21,898 — Other assets Small issuer trust preferred holdings (d) 332,985 — Loans, net of unearned income On-balance sheet trust preferred securitization 49,361 64,812 (e) Proprietary residential mortgage securitizations 2,568 — Trading securities Holdings of agency mortgage-backed securities (d) 4,163,313 — (f) Commercial loan troubled debt restructurings (g) 42,696 — Loans, net of unearned income Sale-leaseback transaction 11,827 — (h) (a) Maximum loss exposure represents $56.2 million of current investments and $17.4 million of accrued contractual funding commitments. Accrued funding commitments represent unconditional contractual obligations for future funding events, and are also recognized in Other liabilities. FHN currently expects to be required to fund these accrued commitments by the end of 2017. (b) A liability is not recognized as investments are written down over the life of the related tax credit. (c) Maximum loss exposure represents current investment balance. Of the initial investment, $18.0 million was funded through loans from community development enterprises. (d) Maximum loss exposure represents the value of current investments. A liability is not recognized as FHN is solely a holder of the trusts’ securities. (e) Includes $112.5 million classified as Loans, net of unearned income, and $1.7 million classified as Trading securities which are offset by $64.8 million classified as Term borrowings. (f) Includes $.4 billion classified as Trading securities and $3.8 billion classified as Securities available-for-sale. (g) Maximum loss exposure represents $37.5 million of current receivables and $5.2 million of contractual funding commitments on loans related to commercial borrowers involved in a troubled debt restructuring. (h) Maximum loss exposure represents the current loan balance plus additional funding commitments less amounts received from the buyer-lessor.

Derivatives (Tables)

Derivatives (Tables)	9 Months Ended
	Sep. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives Associated With Fixed Income Trading Activities	The following tables summarize FHN’s derivatives associated with fixed income trading activities as of September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) Notional Assets Liabilities Customer Interest Rate Contracts $ 1,954,439 $ 30,564 $ 12,256 Offsetting Upstream Interest Rate Contracts 1,954,439 12,119 28,012 Option Contracts Purchased 40,000 69 — Forwards and Futures Purchased 4,506,883 3,648 5,296 Forwards and Futures Sold 4,499,160 6,355 2,331 December 31, 2016 (Dollars in thousands) Notional Assets Liabilities Customer Interest Rate Contracts $ 1,697,992 $ 39,495 $ 14,996 Offsetting Upstream Interest Rate Contracts 1,697,992 14,996 39,495 Option Contracts Purchased 17,500 63 — Option Contracts Written 5,000 — 8 Forwards and Futures Purchased 2,916,750 6,257 26,659 Forwards and Futures Sold 3,085,396 27,330 6,615
Derivatives Associated With Interest Rate Risk Management Activities	The following tables summarize FHN’s derivatives associated with interest rate risk management activities as of September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) Notional Assets Liabilities Customer Interest Rate Contracts Hedging Hedging Instruments and Hedged Items: Customer Interest Rate Contracts $ 1,540,036 $ 16,607 $ 12,675 Offsetting Upstream Interest Rate Contracts 1,540,036 11,612 15,350 Debt Hedging Hedging Instruments: Interest Rate Swaps $ 900,000 N/A $ 779 Hedged Items: Term Borrowings N/A N/A $ 900,000 (a) December 31, 2016 (Dollars in thousands) Notional Assets Liabilities Customer Interest Rate Contracts Hedging Hedging Instruments and Hedged Items: Customer Interest Rate Contracts $ 1,357,920 $ 17,566 $ 14,277 Offsetting Upstream Interest Rate Contracts 1,357,920 14,277 18,066 Debt Hedging Hedging Instruments: Interest Rate Swaps $ 900,000 $ 1,628 $ 7,276 Hedged Items: Term Borrowings N/A N/A $ 900,000 (a) (a) Represents par value of term borrowings being hedged.
Gains/(Losses) on Derivatives Associated with Interest Rate Risk Management Activities	The following table summarizes gains/(losses) on FHN’s derivatives associated with interest rate risk management activities for the three and nine months ended September 30, 2017 and 2016 : Three Months Ended Nine Months Ended 2017 2016 2017 2016 (Dollars in thousands) Gains/(Losses) Gains/(Losses) Gains/(Losses) Gains/(Losses) Customer Interest Rate Contracts Hedging Hedging Instruments and Hedged Items: Customer Interest Rate Contracts (a) $ (180 ) $ (1,964 ) 643 18,749 Offsetting Upstream Interest Rate Contracts (a) 180 1,964 (643 ) (18,749 ) Debt Hedging Hedging Instruments: Interest Rate Swaps (a) $ (966 ) $ (7,254 ) $ (1,958 ) $ 19,352 Hedged Items: Term Borrowings (a) (b) 941 7,152 1,870 (19,059 ) (a) Gains/losses included in the All other expense section of the Consolidated Condensed Statements of Income. (b) Represents gains and losses attributable to changes in fair value due to interest rate risk as designated in ASC 815-20 hedging relationships.
Derivative Associated With Cash Flow Hedges	The following tables summarize FHN’s derivative activities associated with cash flow hedges as of September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) Notional Assets Liabilities Cash Flow Hedges Hedging Instruments: Interest Rate Swaps $ 900,000 N/A $ 916 Hedged Items: Variability in Cash Flows Related to Debt Instruments (Primarily Loans) N/A $ 900,000 N/A December 31, 2016 (Dollars in thousands) Notional Assets Liabilities Cash Flow Hedges Hedging Instruments: Interest Rate Swaps $ 250,000 N/A $ 2,045 Hedged Items: Variability in Cash Flows Related to Debt Instruments (Primarily Loans) N/A $ 250,000 N/A
Gains/(Losses) on Derivatives Associated with Cash Flow Hedges	The following table summarizes gains/(losses) on FHN’s derivatives associated with cash flow hedges for the three and nine months ended September 30, 2017 and 2016 : Three Months Ended Nine Months Ended 2017 2016 2017 2016 (Dollars in thousands) Gains/(Losses) Gains/(Losses) Gains/(Losses) Gains/(Losses) Cash Flow Hedges Hedging Instruments: Interest Rate Swaps (a) (b) $ (1,190 ) $ (2,545 ) $ (800 ) $ 5,061 Hedged Items: Variability in Cash Flows Related to Debt Instruments (Primarily Loans) N/A N/A N/A N/A (a) Amount represents the pre-tax gains/(losses) included within AOCI. (b) Includes approximately $1.2 million of losses expected to be reclassified into earnings in the next twelve months.
Schedule Of Derivative Activities Associated With Trust Preferred Loans	The following table summarizes FHN’s derivative activities associated with held-to-maturity trust preferred loans as of December 31, 2016 : December 31, 2016 (Dollars in thousands) Notional Assets Liabilities Loan Portfolio Hedging Hedging Instruments: Interest Rate Swaps $ 6,500 N/A $ 208 Hedged Items: Trust Preferred Loans (a) N/A $ 6,500 (b) N/A (a) Assets included in the Loans, net of unearned income section of the Consolidated Condensed Statements of Condition. (b) Represents principal balance being hedged.
Gains/(Losses) on Derivatives Associated with Trust Preferred Loans	The following table summarizes gains/(losses) on FHN’s derivatives associated with held-to-maturity trust preferred loans for the three and nine months ended September 30, 2016 : September 30, 2016 Three Months Ended Nine Months Ended (Dollars in thousands) Gains/(Losses) Gains/(Losses) Loan Portfolio Hedging Hedging Instruments: Interest Rate Swaps $ 93 $ 201 Hedged Items: Trust Preferred Loans (a) $ (92 ) $ (199 ) (a) Represents gains and losses attributable to changes in fair value due to interest rate risk as designated in ASC 815-20 hedging relationships.
Derivative Assets And Collateral Received	The following table provides details of derivative assets and collateral received as presented on the Consolidated Condensed Statements of Condition as of September 30, 2017 and December 31, 2016 : Gross amounts not offset in the Statements of Condition (Dollars in thousands) Gross amounts of recognized assets Gross amounts offset in the Statements of Condition Net amounts of assets presented in the Statements of Condition (a) Derivative liabilities available for offset Collateral Received Net amount Derivative assets: September 30, 2017 (b) $ 70,902 $ — $ 70,902 $ (23,283 ) $ (43,379 ) $ 4,240 December 31, 2016 (b) 87,962 — 87,962 (25,953 ) (52,888 ) 9,121 (a) Included in Derivative assets on the Consolidated Condensed Statements of Condition. As of September 30, 2017 and December 31, 2016 , $10.1 million and $33.7 million , respectively, of derivative assets (primarily fixed income forward contracts) have been excluded from these tables because they are generally not subject to master netting or similar agreements. (b) Amounts are comprised entirely of interest rate derivative contracts.
Derivative Liabilities and Collateral Pledged	The following table provides details of derivative liabilities and collateral pledged as presented on the Consolidated Condensed Statements of Condition as of September 30, 2017 and December 31, 2016 : Gross amounts not offset in the Statements of Condition (Dollars in thousands) Gross amounts of recognized liabilities Gross amounts offset in the Statements of Condition Net amounts of liabilities presented in the Statements of Condition (a) Derivative assets available for offset Collateral pledged Net amount Derivative liabilities: September 30, 2017 (b) $ 69,988 $ — $ 69,988 $ (23,283 ) $ (42,686 ) $ 4,019 December 31, 2016 (b) 96,363 — 96,363 (25,953 ) (60,746 ) 9,664 (a) Included in Derivative liabilities on the Consolidated Condensed Statements of Condition. As of September 30, 2017 and December 31, 2016 , $13.2 million and $39.5 million , respectively, of derivative liabilities (primarily fixed income forward contracts) have been excluded from these tables because they are generally not subject to master netting or similar agreements. (b) Amounts are comprised entirely of interest rate derivative contracts.

Master Netting And Similar Ag39

Master Netting And Similar Agreements (Tables)	9 Months Ended
	Sep. 30, 2017
Offsetting [Abstract]
Securities Purchased Under Agreements To Resell And Collateral Pledged By Counterparties [Table Text Block]	The following table provides details of Securities purchased under agreements to resell as presented on the Consolidated Condensed Statements of Condition and collateral pledged by counterparties as of September 30, 2017 and December 31, 2016 : Gross amounts not offset in the Statements of Condition (Dollars in thousands) Gross amounts of recognized assets Gross amounts offset in the Statements of Condition Net amounts of assets presented in the Statements of Condition Offsetting securities sold under agreements to repurchase Securities collateral (not recognized on FHN’s Statements of Condition) Net amount Securities purchased under agreements to resell: September 30, 2017 $ 663,637 $ — $ 663,637 $ (1,044 ) $ (655,136 ) $ 7,457 December 31, 2016 613,682 — 613,682 (1,628 ) (603,813 ) 8,241
Securities Sold Under Agreements To Repurchase And Collateral Pledged By Company [Table Text Block]	The following table provides details of Securities sold under agreements to repurchase as presented on the Consolidated Condensed Statements of Condition and collateral pledged by FHN as of September 30, 2017 and December 31, 2016 : Gross amounts not offset in the Statements of Condition (Dollars in thousands) Gross amounts of recognized liabilities Gross amounts offset in the Statements of Condition Net amounts of liabilities presented in the Statements of Condition Offsetting securities purchased under agreements to resell Securities/ government guaranteed loans collateral Net amount Securities sold under agreements to repurchase: September 30, 2017 $ 516,867 $ — $ 516,867 $ (1,044 ) $ (515,673 ) $ 150 December 31, 2016 453,053 — 453,053 (1,628 ) (451,414 ) 11
Schedule of the Remaining Contractual Maturity by Collateral Type of Securities Sold Under Agreements To Repurchase	The following tables provide details, by collateral type, of the remaining contractual maturity of Securities sold under agreements to repurchase as of September 30, 2017 and December 31, 2016 : September 30, 2017 (Dollars in thousands) Overnight and Continuous Up to 30 Days Total Securities sold under agreements to repurchase: U.S. treasuries $ 18,970 $ — $ 18,970 Government agency issued MBS 276,903 5,521 282,424 Government agency issued CMO 50,554 5,749 56,303 Government guaranteed loans (SBA and USDA) 159,170 — 159,170 Total Securities sold under agreements to repurchase $ 505,597 $ 11,270 $ 516,867 December 31, 2016 (Dollars in thousands) Overnight and Continuous Up to 30 Days Total Securities sold under agreements to repurchase: U.S. treasuries $ 14,864 $ — $ 14,864 Government agency issued MBS 421,771 — 421,771 Government agency issued CMO — 16,418 16,418 Total Securities sold under agreements to repurchase $ 436,635 $ 16,418 $ 453,053

Fair Value Of Assets And Liab40

Fair Value Of Assets And Liabilities (Tables)	9 Months Ended
	Sep. 30, 2017
Fair Value Disclosures [Abstract]
Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis	The following table presents the balance of assets and liabilities measured at fair value on a recurring basis as of September 30, 2017 : September 30, 2017 (Dollars in thousands) Level 1 Level 2 Level 3 Total Trading securities—fixed income: U.S. treasuries $ — $ 157,483 $ — $ 157,483 Government agency issued MBS — 155,260 — 155,260 Government agency issued CMO — 244,321 — 244,321 Other U.S. government agencies — 186,573 — 186,573 States and municipalities — 61,290 — 61,290 Corporate and other debt — 655,976 5 655,981 Equity, mutual funds, and other — 6,194 — 6,194 Total trading securities—fixed income — 1,467,097 5 1,467,102 Trading securities—mortgage banking — — 2,300 2,300 Loans held-for-sale — 1,727 20,081 21,808 Securities available-for-sale: U.S. treasuries — 100 — 100 Government agency issued MBS — 2,087,505 — 2,087,505 Government agency issued CMO — 1,685,995 — 1,685,995 Interest-only strips — — 3,123 3,123 Equity, mutual funds, and other 24,756 — — 24,756 Total securities available-for-sale 24,756 3,773,600 3,123 3,801,479 Other assets: Deferred compensation assets 34,951 — — 34,951 Derivatives, forwards and futures 10,003 — — 10,003 Derivatives, interest rate contracts — 70,971 — 70,971 Derivatives, other — 2 — 2 Total other assets 44,954 70,973 — 115,927 Total assets $ 69,710 $ 5,313,397 $ 25,509 $ 5,408,616 Trading liabilities—fixed income: U.S. treasuries $ — $ 424,461 $ — $ 424,461 Government agency issued CMO — 1,372 — 1,372 Other U.S. government agencies — 998 — 998 Corporate and other debt — 152,197 — 152,197 Total trading liabilities—fixed income — 579,028 — 579,028 Other liabilities: Derivatives, forwards and futures 7,627 — — 7,627 Derivatives, interest rate contracts — 69,988 — 69,988 Derivatives, other — 1 5,530 5,531 Total other liabilities 7,627 69,989 5,530 83,146 Total liabilities $ 7,627 $ 649,017 $ 5,530 $ 662,174 The following table presents the balance of assets and liabilities measured at fair value on a recurring basis as of December 31, 2016 : December 31, 2016 (Dollars in thousands) Level 1 Level 2 Level 3 Total Trading securities—fixed income: U.S. treasuries $ — $ 146,988 $ — $ 146,988 Government agency issued MBS — 256,611 — 256,611 Government agency issued CMO — 150,058 — 150,058 Other U.S. government agencies — 52,314 — 52,314 States and municipalities — 60,351 — 60,351 Corporate and other debt — 227,934 5 227,939 Equity, mutual funds, and other — 242 — 242 Total trading securities—fixed income — 894,498 5 894,503 Trading securities—mortgage banking — — 2,568 2,568 Loans held-for-sale — 2,345 21,924 24,269 Securities available-for-sale: U.S. treasuries — 100 — 100 Government agency issued MBS — 2,208,687 — 2,208,687 Government agency issued CMO — 1,547,958 — 1,547,958 Equity, mutual funds, and other 25,249 — — 25,249 Total securities available-for-sale 25,249 3,756,745 — 3,781,994 Other assets: Mortgage servicing rights — — 985 985 Deferred compensation assets 32,840 — — 32,840 Derivatives, forwards and futures 33,587 — — 33,587 Derivatives, interest rate contracts — 88,025 — 88,025 Derivatives, other — 42 — 42 Total other assets 66,427 88,067 985 155,479 Total assets $ 91,676 $ 4,741,655 $ 25,482 $ 4,858,813 Trading liabilities—fixed income: U.S. treasuries $ — $ 381,229 $ — $ 381,229 Other U.S. government agencies — 844 — 844 Corporate and other debt — 179,775 — 179,775 Total trading liabilities—fixed income — 561,848 — 561,848 Other liabilities: Derivatives, forwards and futures 33,274 — — 33,274 Derivatives, interest rate contracts — 96,371 — 96,371 Derivatives, other — 7 6,245 6,252 Total other liabilities 33,274 96,378 6,245 135,897 Total liabilities $ 33,274 $ 658,226 $ 6,245 $ 697,745
Summary Of Changes In Level 3 Assets And Liabilities Measured At Fair Value	The changes in Level 3 assets and liabilities measured at fair value for the three months ended September 30, 2017 and 2016 , on a recurring basis are summarized as follows: Three Months Ended September 30, 2017 (Dollars in thousands) Trading securities Interest- only strips- AFS Loans held- for-sale Net derivative liabilities Balance on July 1, 2017 $ 2,464 $ 1,163 $ 20,587 $ (5,700 ) Total net gains/(losses) included in: Net income 92 (160 ) 390 (129 ) Purchases — — 43 — Settlements (251 ) — (939 ) 299 Net transfers into/(out of) Level 3 — 2,120 (b) — (d) — Balance on September 30, 2017 $ 2,305 $ 3,123 $ 20,081 $ (5,530 ) Net unrealized gains/(losses) included in net income $ 62 (a) $ (72 ) (c) $ 390 (a) $ (129 ) (e) Three Months Ended September 30, 2016 (Dollars in thousands) Trading securities Loans held-for-sale Securities available- for-sale Mortgage servicing rights, net Net derivative liabilities Balance on July 1, 2016 $ 2,826 $ 25,738 $ 1,500 $ 1,406 $ (6,835 ) Total net gains/(losses) included in: Net income 304 1,604 — — (4 ) Purchases — 198 — — — Settlements (346 ) (2,146 ) (1,500 ) (160 ) 299 Net transfers into/(out of) Level 3 — (2,858 ) (d) — — — Balance on September 30, 2016 $ 2,784 $ 22,536 $ — $ 1,246 $ (6,540 ) Net unrealized gains/(losses) included in net income $ 244 (a) $ 1,604 (a) $ — $ — $ (4 ) (e) (a) Primarily included in mortgage banking income on the Consolidated Condensed Statements of Income. (b) Transfers into interest-only strips - AFS level 3 measured on a recurring basis reflect movements from loans held-for-sale (Level 2 nonrecurring). (c) Primarily included in fixed income on the Consolidated Condensed Statements of Income. (d) Transfers out of loans held-for-sale level 3 measured on a recurring basis generally reflect movements into OREO (level 3 nonrecurring). (e) Included in Other expense. Changes in Recurring Level 3 Fair Value Measurements The changes in Level 3 assets and liabilities measured at fair value for the nine months ended September 30, 2017 and 2016 , on a recurring basis are summarized as follows: Nine Months Ended September 30, 2017 (Dollars in thousands) Trading securities Interest-only strips- AFS Loans held- for-sale Net derivative liabilities Balance on January 1, 2017 $ 2,573 $ — $ 21,924 $ (6,245 ) Total net gains/(losses) included in: Net income 380 107 1,722 (179 ) Purchases — 1,413 118 — Sales — (3,291 ) — — Settlements (648 ) — (3,340 ) 894 Net transfers into/(out of) Level 3 — 4,894 (b) (343 ) (d) — Balance on September 30, 2017 $ 2,305 $ 3,123 $ 20,081 $ (5,530 ) Net unrealized gains/(losses) included in net income $ 264 (a) $ (122 ) (c) $ 1,722 (a) $ (179 ) (e) Nine Months Ended September 30, 2016 (Dollars in thousands) Trading securities Loans held-for-sale Securities available- for-sale Mortgage servicing rights, net Net derivative liabilities Balance on January 1, 2016 $ 4,377 $ 27,418 $ 1,500 $ 1,841 $ (4,810 ) Total net gains/(losses) included in: Net income 506 2,375 — 31 (2,627 ) Purchases — 673 — — — Sales — — — (205 ) — Settlements (2,099 ) (4,643 ) (1,500 ) (421 ) 897 Net transfers into/(out of) Level 3 — (3,287 ) (d) — — — Balance on September 30, 2016 $ 2,784 $ 22,536 $ — $ 1,246 $ (6,540 ) Net unrealized gains/(losses) included in net income $ 324 (a) $ 2,375 (a) $ — $ — $ (2,627 ) (e) (a) Primarily included in mortgage banking income on the Consolidated Condensed Statements of Income. (b) Transfers into interest-only strips - AFS level 3 measured on a recurring basis reflect movements from loans held-for-sale (Level 2 nonrecurring). (c) Primarily included in fixed income on the Consolidated Condensed Statements of Income. (d) Transfers out of loans held-for-sale level 3 measured on a recurring basis generally reflect movements into OREO (level 3 nonrecurring). (e) Included in Other expense.
Nonrecurring Fair Value Measurements	For assets measured at fair value on a nonrecurring basis which were still held on the balance sheet at September 30, 2017 , and December 31, 2016 , respectively, the following tables provide the level of valuation assumptions used to determine each adjustment and the related carrying value. Carrying value at September 30, 2017 (Dollars in thousands) Level 1 Level 2 Level 3 Total Loans held-for-sale—SBAs and USDA $ — $ 244,089 $ 1,484 $ 245,573 Loans held-for-sale—first mortgages — — 611 611 Loans, net of unearned income (a) — — 23,210 23,210 OREO (b) — — 7,877 7,877 Other assets (c) — — 27,394 27,394 Carrying value at December 31, 2016 (Dollars in thousands) Level 1 Level 2 Level 3 Total Loans held-for-sale—SBAs $ — $ 4,286 $ — $ 4,286 Loans held-for-sale—first mortgages — — 638 638 Loans, net of unearned income (a) — — 31,070 31,070 OREO (b) — — 11,235 11,235 Other assets (c) — — 29,609 29,609 (a) Represents carrying value of loans for which adjustments are required to be based on the appraised value of the collateral less estimated costs to sell. (b) Represents the fair value of foreclosed properties that were measured subsequent to their initial classification as OREO. Balance excludes OREO related to government insured mortgages. (c) Represents tax credit investments accounted for under the equity method.
Gains/(losses) on Noncurring Fair Value Measurements	For assets measured on a nonrecurring basis which were still held on the consolidated balance sheet at period end, the following table provides information about the fair value adjustments recorded during the three and nine months ended September 30, 2017 and 2016 : Net gains/(losses) Net gains/(losses) (Dollars in thousands) 2017 2016 2017 2016 Loans held-for-sale—SBAs and USDA $ (86 ) $ — $ (1,259 ) $ — Loans held-for-sale—first mortgages 6 10 22 17 Loans, net of unearned income (a) (2,388 ) 461 (1,456 ) (3,249 ) OREO (b) (41 ) (711 ) (662 ) (1,561 ) Other assets (c) (762 ) (788 ) (2,646 ) (2,325 ) $ (3,271 ) $ (1,028 ) $ (6,001 ) $ (7,118 ) (a) Write-downs on these loans are recognized as part of provision for loan losses. (b) Represents losses of foreclosed properties that were measured subsequent to their initial classification as OREO. Balance excludes OREO related to government insured mortgages. (c) Represents tax credit investments accounted for under the equity method.
Schedule Of Unobservable Inputs Utilized In Determining The Fair Value Of Level 3 Recurring And Non-Recurring Measurements	The following tables provide information regarding the unobservable inputs utilized in determining the fair value of level 3 recurring and non-recurring measurements as of September 30, 2017 and December 31, 2016 : (Dollars in thousands) Level 3 Class Fair Value at Valuation Techniques Unobservable Input Values Utilized Available-for-sale- securities SBA-interest only strips $ 3,123 Discounted cash flow Constant prepayment rate 9% - 10% Bond equivalent yield 14%- 19% Loans held-for-sale - residential real estate 20,692 Discounted cash flow Prepayment speeds - First mortgage 2% - 12% Prepayment speeds - HELOC 3% - 12% Foreclosure losses 50% - 70% Loss severity trends - First mortgage 5% - 50% of UPB Loss severity trends - HELOC 15% - 100% of UPB Loans held-for-sale- unguaranteed interest in SBA loans 1,484 Discounted cash flow Constant prepayment rate 8% - 12% Bond equivalent yield 9% - 10% Derivative liabilities, other 5,530 Discounted cash flow Visa covered litigation resolution amount $4.4 billion - $5.2 billion Probability of resolution scenarios 10% - 30% Time until resolution 18 - 48 months Loans, net of unearned income (a) 23,210 Appraisals from comparable properties Marketability adjustments for specific properties 0% - 10% of appraisal Other collateral valuations Borrowing base certificates adjustment 20% - 50% of gross value Financial Statements/Auction values adjustment 0% - 25% of reported value OREO (b) 7,877 Appraisals from comparable properties Adjustment for value changes since appraisal 0% - 10% of appraisal Other assets (c) 27,394 Discounted cash flow Adjustments to current sales yields for specific properties 0% - 15% adjustment to yield Appraisals from comparable properties Marketability adjustments for specific properties 0% - 25% of appraisal (a) Represents carrying value of loans for which adjustments are required to be based on the appraised value of the collateral less estimated costs to sell. Write-downs on these loans are recognized as part of provision for loan losses. (b) Represents the fair value of foreclosed properties that were measured subsequent to their initial classification as OREO. Balance excludes OREO related to government insured mortgages. (c) Represents tax credit investments accounted for under the equity method. (Dollars in thousands) Level 3 Class Fair Value at Valuation Techniques Unobservable Input Values Utilized Loans held-for-sale - residential real estate $ 22,562 Discounted cash flow Prepayment speeds - First mortgage 2% - 13% Prepayment speeds - HELOC 3% - 15% Foreclosure Losses 50% - 70% Loss severity trends - First mortgage 5% - 50% of UPB Loss severity trends - HELOC 15% - 100% of UPB Derivative liabilities, other 6,245 Discounted cash flow Visa covered litigation resolution amount $4.4 billion - $5.2 billion Probability of resolution scenarios 10% - 30% Time until resolution 24 - 54 months Loans, net of unearned income (a) 31,070 Appraisals from comparable properties Marketability adjustments for specific properties 0% - 10% of appraisal Other collateral valuations Borrowing base certificates adjustment 20% - 50% of gross value Financial Statements/Auction values adjustment 0% - 25% of reported value OREO (b) 11,235 Appraisals from comparable properties Adjustment for value changes since appraisal 0% - 10% of appraisal Other assets (c) 29,609 Discounted cash flow Adjustments to current sales yields for specific properties 0% - 15% adjustment to yield Appraisals from comparable properties Marketability adjustments for specific properties 0% - 25% of appraisal (a) Represents carrying value of loans for which adjustments are required to be based on the appraised value of the collateral less estimated costs to sell. Write-downs on these loans are recognized as part of provision for loan losses. (b) Represents the fair value of foreclosed properties that were measured subsequent to their initial classification as OREO. Balance excludes OREO related to government insured mortgages. (c) Represents tax credit investments accounted for under the equity method.
Summary Of Differences Between The Fair Value Carrying Amount Of Mortgages Held-For-Sale And Aggregate Unpaid Principal Amount	The following tables reflect the differences between the fair value carrying amount of residential real estate loans held-for-sale measured at fair value in accordance with management’s election and the aggregate unpaid principal amount FHN is contractually entitled to receive at maturity. September 30, 2017 (Dollars in thousands) Fair value carrying amount Aggregate unpaid principal Fair value carrying amount less aggregate unpaid principal Residential real estate loans held-for-sale reported at fair value: Total loans $ 21,808 $ 30,686 $ (8,878 ) Nonaccrual loans 6,428 11,551 (5,123 ) Loans 90 days or more past due and still accruing 44 175 (131 ) December 31, 2016 (Dollars in thousands) Fair value carrying amount Aggregate unpaid principal Fair value carrying amount less aggregate unpaid principal Residential real estate loans held-for-sale reported at fair value: Total loans $ 24,269 $ 35,262 $ (10,993 ) Nonaccrual loans 6,775 12,910 (6,135 ) Loans 90 days or more past due and still accruing 211 331 (120 )
Changes In Fair Value Of Assets And Liabilities Which Fair Value Option Included In Current Period Earnings	Assets and liabilities accounted for under the fair value election are initially measured at fair value with subsequent changes in fair value recognized in earnings. Such changes in the fair value of assets and liabilities for which FHN elected the fair value option are included in current period earnings with classification in the income statement line item reflected in the following table: Three Months Ended Nine Months Ended (Dollars in thousands) 2017 2016 2017 2016 Changes in fair value included in net income: Mortgage banking noninterest income Loans held-for-sale $ 390 $ 1,604 $ 1,722 $ 2,375
Summary Of Book Value And Estimated Fair Value Of Financial Instruments	The following table summarizes the book value and estimated fair value of financial instruments recorded in the Consolidated Condensed Statements of Condition as of September 30, 2017 : September 30, 2017 Book Value Fair Value (Dollars in thousands) Level 1 Level 2 Level 3 Total Assets: Loans, net of unearned income and allowance for loan losses Commercial: Commercial, financial and industrial $ 12,693,639 $ — $ — $ 12,658,237 $ 12,658,237 Commercial real estate 2,221,332 — — 2,208,208 2,208,208 Consumer: Consumer real estate 4,328,778 — — 4,252,704 4,252,704 Permanent mortgage 387,363 — — 392,407 392,407 Credit card & other 340,112 — — 340,168 340,168 Total loans, net of unearned income and allowance for loan losses 19,971,224 — — 19,851,724 19,851,724 Short-term financial assets: Interest-bearing cash 604,326 604,326 — — 604,326 Federal funds sold 76,316 — 76,316 — 76,316 Securities purchased under agreements to resell 663,637 — 663,637 — 663,637 Total short-term financial assets 1,344,279 604,326 739,953 — 1,344,279 Trading securities (a) 1,469,402 — 1,467,097 2,305 1,469,402 Loans held-for-sale (a) 339,780 — 246,441 94,000 340,441 Securities available-for-sale (a) (b) 3,963,138 24,756 3,773,600 164,782 3,963,138 Securities held-to-maturity 10,000 — — 9,985 9,985 Derivative assets (a) 80,976 10,003 70,973 — 80,976 Other assets: Tax credit investments 120,701 — — 121,435 121,435 Deferred compensation assets 34,951 34,951 — — 34,951 Total other assets 155,652 34,951 — 121,435 156,386 Nonearning assets: Cash & due from banks 347,802 347,802 — — 347,802 Fixed income receivables 68,750 — 68,750 — 68,750 Accrued interest receivable 70,058 — 70,058 — 70,058 Total nonearning assets 486,610 347,802 138,808 — 486,610 Total assets $ 27,821,061 $ 1,021,838 $ 6,436,872 $ 20,244,231 $ 27,702,941 Liabilities: Deposits: Defined maturity $ 1,112,098 $ — $ 1,108,919 $ — $ 1,108,919 Undefined maturity 20,987,156 — 20,987,156 — 20,987,156 Total deposits 22,099,254 — 22,096,075 — 22,096,075 Trading liabilities (a) 579,028 — 579,028 — 579,028 Short-term financial liabilities: Federal funds purchased 292,650 — 292,650 — 292,650 Securities sold under agreements to repurchase 516,867 — 516,867 — 516,867 Other short-term borrowings 1,637,419 — 1,637,419 — 1,637,419 Total short-term financial liabilities 2,446,936 — 2,446,936 — 2,446,936 Term borrowings: Real estate investment trust-preferred 46,083 — — 49,350 49,350 Term borrowings—new market tax credit investment 18,000 — — 17,959 17,959 Secured borrowings 42,585 — — 42,184 42,184 Other long term borrowings 952,839 — 968,297 — 968,297 Total term borrowings 1,059,507 — 968,297 109,493 1,077,790 Derivative liabilities (a) 83,146 7,627 69,989 5,530 83,146 Other noninterest-bearing liabilities: Fixed income payables 44,304 — 44,304 — 44,304 Accrued interest payable 19,205 — 19,205 — 19,205 Total other noninterest-bearing liabilities 63,509 — 63,509 — 63,509 Total liabilities $ 26,331,380 $ 7,627 $ 26,223,834 $ 115,023 $ 26,346,484 (a) Classes are detailed in the recurring and nonrecurring measurement tables. (b) Level 3 includes restricted investments in FHLB-Cincinnati stock of $87.9 million and FRB stock of $68.6 million . The following table summarizes the book value and estimated fair value of financial instruments recorded in the Consolidated Statements of Condition as of December 31, 2016 : December 31, 2016 Book Value Fair Value (Dollars in thousands) Level 1 Level 2 Level 3 Total Assets: Loans, net of unearned income and allowance for loan losses Commercial: Commercial, financial and industrial $ 12,058,689 $ — $ — $ 11,918,374 $ 11,918,374 Commercial real estate 2,101,671 — — 2,078,306 2,078,306 Consumer: Consumer real estate 4,473,395 — — 4,385,669 4,385,669 Permanent mortgage 406,836 — — 404,930 404,930 Credit card & other 346,861 — — 347,577 347,577 Total loans, net of unearned income and allowance for loan losses 19,387,452 — — 19,134,856 19,134,856 Short-term financial assets: Interest-bearing cash 1,060,034 1,060,034 — — 1,060,034 Federal funds sold 50,838 — 50,838 — 50,838 Securities purchased under agreements to resell 613,682 — 613,682 — 613,682 Total short-term financial assets 1,724,554 1,060,034 664,520 — 1,724,554 Trading securities (a) 897,071 — 894,498 2,573 897,071 Loans held-for-sale (a) 111,248 — 6,631 104,617 111,248 Securities available-for-sale (a) (b) 3,943,499 25,249 3,756,745 161,505 3,943,499 Securities held-to-maturity 14,347 — — 14,773 14,773 Derivative assets (a) 121,654 33,587 88,067 — 121,654 Other assets: Tax credit investments 100,105 — — 98,400 98,400 Deferred compensation assets 32,840 32,840 — — 32,840 Total other assets 132,945 32,840 — 98,400 131,240 Nonearning assets: Cash & due from banks 373,274 373,274 — — 373,274 Fixed income receivables 57,411 — 57,411 — 57,411 Accrued interest receivable 62,887 — 62,887 — 62,887 Total nonearning assets 493,572 373,274 120,298 — 493,572 Total assets $ 26,826,342 $ 1,524,984 $ 5,530,759 $ 19,516,724 $ 26,572,467 Liabilities: Deposits: Defined maturity $ 1,355,133 $ — $ 1,361,104 $ — $ 1,361,104 Undefined maturity 21,317,230 — 21,317,230 — 21,317,230 Total deposits 22,672,363 — 22,678,334 — 22,678,334 Trading liabilities (a) 561,848 — 561,848 — 561,848 Short-term financial liabilities: Federal funds purchased 414,207 — 414,207 — 414,207 Securities sold under agreements to repurchase 453,053 — 453,053 — 453,053 Other short-term borrowings 83,177 — 83,177 — 83,177 Total short-term financial liabilities 950,437 — 950,437 — 950,437 Term borrowings: Real estate investment trust-preferred 46,032 — — 49,350 49,350 Term borrowings—new market tax credit investment 18,000 — — 17,918 17,918 Borrowings secured by residential real estate 23,126 — — 21,969 21,969 Other long term borrowings 953,498 — 965,066 — 965,066 Total term borrowings 1,040,656 — 965,066 89,237 1,054,303 Derivative liabilities (a) 135,897 33,274 96,378 6,245 135,897 Other noninterest-bearing liabilities: Fixed income payables 21,002 — 21,002 — 21,002 Accrued interest payable 10,336 — 10,336 — 10,336 Total other noninterest-bearing liabilities 31,338 — 31,338 — 31,338 Total liabilities $ 25,392,539 $ 33,274 $ 25,283,401 $ 95,482 $ 25,412,157 (a) Classes are detailed in the recurring and nonrecurring measurement tables. (b) Level 3 includes restricted investments in FHLB-Cincinnati stock of $87.9 million and FRB stock of $68.6 million . The following table presents the contractual amount and fair value of unfunded loan commitments and standby and other commitments as of September 30, 2017 and December 31, 2016 : Contractual Amount Fair Value (Dollars in thousands) September 30, 2017 December 31, 2016 September 30, 2017 December 31, 2016 Unfunded Commitments: Loan commitments $ 8,868,115 $ 8,744,649 $ 2,388 $ 2,924 Standby and other commitments 336,953 277,549 4,139 4,037

Acquisitions and Divestitures (

Acquisitions and Divestitures (Narrative) (Details) $ in Thousands	May 04, 2017USD ($)branch	Apr. 03, 2017USD ($)	Oct. 31, 2017professional	Sep. 30, 2017USD ($)	Sep. 30, 2017USD ($)	Jun. 30, 2017USD ($)	Dec. 31, 2016USD ($)	Sep. 16, 2016USD ($)
Business Acquisition [Line Items]
Total assets				$ 29,622,636	$ 29,622,636		$ 28,555,231
Capital Bank Financial Corp
Business Acquisition [Line Items]
Total assets						$ 10,000,000
Number of bank branches operated | branch	193
Expected cash payment to acquire business, gross	$ 411,000
Percentage of outstanding common shares (percent)	29.00%
Total transaction value	$ 2,200,000
GE Capital
Business Acquisition [Line Items]
Loans acquired								$ 537,400
Coastal Securities
Business Acquisition [Line Items]
Payments to acquire business		$ 131,473
Goodwill		$ 45,000
FHN and Coastal
Business Acquisition [Line Items]
Acquisition-related expenses				$ 8,200	$ 14,600
Subsequent Event | Professional Mortgage Company, Inc. (PMC) [Member]
Business Acquisition [Line Items]
Number of professionals that joined CRE team | professional			11

Acquisitions and Divestitures -

Acquisitions and Divestitures - Purchase Price Allocation (Details) - USD ($) $ in Thousands	Apr. 03, 2017	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill		$ 236,335	$ 191,371	$ 191,371	$ 191,307
Coastal Securities
Business Acquisition [Line Items]
Cash and due from banks	$ 7,502
Interest-bearing cash	4,132
Trading securities	139,082
Loans held-for-sale	236,088
Investment securities	1,413
Other intangible assets, net	27,300
Premises and equipment, net	1,229
Other assets	1,672
Total assets acquired	418,418
Securities sold under agreements to repurchase	201,595
Other short-term borrowings	33,509
Fixed income payables	96,489
Other liabilities	316
Total liabilities assumed	331,909
Net Assets Acquired	86,509
Cash	(131,473)
Goodwill	44,964
As Acquired | Coastal Securities
Business Acquisition [Line Items]
Cash and due from banks	7,502
Interest-bearing cash	4,132
Trading securities	423,662
Loans held-for-sale	0
Investment securities	0
Other intangible assets, net	0
Premises and equipment, net	1,229
Other assets	1,658
Total assets acquired	438,183
Securities sold under agreements to repurchase	201,595
Other short-term borrowings	33,509
Fixed income payables	143,647
Other liabilities	958
Total liabilities assumed	379,709
Net Assets Acquired	58,474
Adjustment | Coastal Securities
Fair Value Adjustments
Cash and due from banks	0
Interest-bearing cash	0
Trading securities	(284,580)
Loans held-for-sale	236,088
Investment securities	1,413
Other intangible assets, net	27,300
Premises and equipment, net	0
Other assets	14
Total assets acquired	(19,765)
Securities sold under agreements to repurchase	0
Other short-term borrowings	0
Fixed income payables	(47,158)
Other liabilities	(642)
Total liabilities assumed	(47,800)
Net Assets Acquired	$ 28,035

Investment Securities (Schedule

Investment Securities (Schedule Of FHN's Investment Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Securities available for sale, Amortized Cost	$ 3,969,657	$ 3,971,435
Securities available for sale, Gross Unrealized Gains		19,869
Securities available for sale, Gross Unrealized Losses		(47,805)
Securities available-for-sale	3,963,138	3,943,499
Pledged available for sale securities	3,300,000	3,300,000
Schedule of Held-to-maturity Securities [Line Items]
Securities held to maturity, Amortized cost	10,000	14,347
Securities held to maturity, Gross Unrealized Gains	0	426
Securities held to maturity, Gross Unrealized Losses	(15)	0
Held-to-maturity Securities, Fair Value	9,985	14,773
FRB
Schedule of Available-for-sale Securities [Line Items]
Restricted investments	68,600	68,600
FHLB-Cincinnati Stock
Schedule of Available-for-sale Securities [Line Items]
Restricted investments	87,900	87,900
SBA - Interest Only Strips
Schedule of Available-for-sale Securities [Line Items]
Securities available-for-sale	3,123
States And Municipalities
Schedule of Held-to-maturity Securities [Line Items]
Securities held to maturity, Amortized cost		4,347
Securities held to maturity, Gross Unrealized Gains		393
Securities held to maturity, Gross Unrealized Losses		0
Held-to-maturity Securities, Fair Value		4,740
Corporate Bonds
Schedule of Held-to-maturity Securities [Line Items]
Securities held to maturity, Amortized cost	10,000	10,000
Securities held to maturity, Gross Unrealized Gains	0	33
Securities held to maturity, Gross Unrealized Losses	(15)	0
Held-to-maturity Securities, Fair Value	9,985	10,033
U.S. treasuries
Schedule of Available-for-sale Securities [Line Items]
Securities available for sale, Amortized Cost	100	100
Securities available for sale, Gross Unrealized Gains	0	0
Securities available for sale, Gross Unrealized Losses	0	0
Securities available-for-sale	100	100
Government Agency Issued Mortgage-Backed Securities ("MBS")
Schedule of Available-for-sale Securities [Line Items]
Securities available for sale, Amortized Cost	2,081,677	2,217,593
Securities available for sale, Gross Unrealized Gains	15,993	14,960
Securities available for sale, Gross Unrealized Losses	(10,165)	(23,866)
Securities available-for-sale	2,087,505	2,208,687
Government Agency Issued Collateralized Mortgage Obligations ("CMO")
Schedule of Available-for-sale Securities [Line Items]
Securities available for sale, Amortized Cost	1,701,467	1,566,986
Securities available for sale, Gross Unrealized Gains	4,295	4,909
Securities available for sale, Gross Unrealized Losses	(19,767)	(23,937)
Securities available-for-sale	1,685,995	1,547,958
Equity and other
Schedule of Available-for-sale Securities [Line Items]
Securities available for sale, Amortized Cost	186,413	186,756
Securities available for sale, Gross Unrealized Gains	2	0
Securities available for sale, Gross Unrealized Losses	0	(2)
Securities available-for-sale	186,415	$ 186,754
Schedule of Held-to-maturity Securities [Line Items]
Securities held to maturity, Amortized cost	0
Held-to-maturity Securities, Fair Value	0
Securities available-for-sale, excluding interest only strip:
Schedule of Available-for-sale Securities [Line Items]
Securities available for sale, Amortized Cost	3,969,657
Securities available for sale, Gross Unrealized Gains	20,290
Securities available for sale, Gross Unrealized Losses	(29,932)
Securities available-for-sale	$ 3,960,015

Investment Securities (Schedu44

Investment Securities (Schedule Of Amortized Cost And Fair Value By Contractual Maturity) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Investments [Line Items]
Within 1 year, Amortized Cost	$ 0
After 1 year; within 5 years, Amortized Cost	100
After 5 years; within 10 years, Amortized Cost	0
After 10 years, Amortized Cost	0
Subtotal, Amortized Cost	100
Within 1 year, Fair Value	0
After 1 year; within 5 years, Fair Value	120
After 5 years; within 10 years, Fair Value	1,464
After 10 years, Fair Value	1,639
Subtotal, Fair Value	3,223
Securities available for sale, Amortized Cost	3,969,657	$ 3,971,435
Securities available-for-sale	3,963,138	3,943,499
Held-to-maturity Securities, Debt Maturities, within 1 Year, Amortized Cost	0
Held-to-maturity Securities, Debt Maturities, after 1 year; within 5 years, Amortized Cost	0
Held-to-maturity Securities, Debt Maturities, after 1 year; within 10 years, Amortized Cost	10,000
Held-to-maturity Securities, Debt Maturities, after 10 years, Amortized Cost	0
Held-to-maturity Securities, Debt Maturities, Subtotal, Amortized Cost	10,000
Held-to-maturity Securities, Debt Maturities, within 1 year, Fair Value	0
Held-to-maturity Securities, Debt Maturities, after 1 year; within 5 years, Fair Value	0
Held-to-maturity Securities, Debt Maturities, after 1 year; within 10 years, Fair Value	9,985
Held-to-maturity Securities, Debt Maturities, after 10 years, Fair Value	0
Held-to-maturity Securities, Debt Maturities, Subtotal, Fair Value	9,985
Securities held to maturity, Amortized cost	10,000	14,347
Held-to-maturity Securities, Fair Value	9,985	14,773
Government Agency Issued MBS And CMO
Schedule of Investments [Line Items]
Securities available for sale, Amortized Cost	3,783,144
Securities available-for-sale	3,773,500
Securities held to maturity, Amortized cost	0
Held-to-maturity Securities, Fair Value	0
Equity and other
Schedule of Investments [Line Items]
Securities available for sale, Amortized Cost	186,413	186,756
Securities available-for-sale	186,415	$ 186,754
Securities held to maturity, Amortized cost	0
Held-to-maturity Securities, Fair Value	$ 0

Investment Securities (Schedu45

Investment Securities (Schedule Of Realized Gross Gains And Losses On Sale From Available For Sale Portfolio) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Marketable Securities [Abstract]
Gross gains on sales of securities	$ 6	$ 0	$ 455	$ 3,999
Gross (losses) on sales of securities	0	0	0	(2,326)
Net gain/(loss) on sales of securities	6	0	455	1,673
Net OTTI recorded	0	(200)	0	(200)
Total securities gain/(loss)	$ 6	$ (200)	$ 455	$ 1,473

Investment Securities (Schedu46

Investment Securities (Schedule Of Investments Within The Available For Sale Portfolio That Had Unrealized Losses) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Investments [Line Items]
Less than 12 months, Fair Value		$ 2,971,604
Less than 12 months, Unrealized Losses		(42,920)
12 months or longer, Fair Value		116,527
12 months or longer, Unrealized Losses		(4,885)
Total Fair Value		3,088,131
Total Unrealized Losses		(47,805)
Government Agency Issued Collateralized Mortgage Obligations ("CMO")
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	$ 885,926	1,059,471
Less than 12 months, Unrealized Losses	(10,936)	(19,052)
12 months or longer, Fair Value	311,471	116,527
12 months or longer, Unrealized Losses	(8,831)	(4,885)
Total Fair Value	1,197,397	1,175,998
Total Unrealized Losses	(19,767)	(23,937)
Government Agency Issued Mortgage-Backed Securities ("MBS")
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	875,307	1,912,126
Less than 12 months, Unrealized Losses	(8,770)	(23,866)
12 months or longer, Fair Value	34,184	0
12 months or longer, Unrealized Losses	(1,395)	0
Total Fair Value	909,491	1,912,126
Total Unrealized Losses	(10,165)	(23,866)
Total debt securities
Schedule of Investments [Line Items]
Less than 12 months, Fair Value	1,761,233	2,971,597
Less than 12 months, Unrealized Losses	(19,706)	(42,918)
12 months or longer, Fair Value	345,655	116,527
12 months or longer, Unrealized Losses	(10,226)	(4,885)
Total Fair Value	2,106,888	3,088,124
Total Unrealized Losses	$ (29,932)	(47,803)
Equity
Schedule of Investments [Line Items]
Less than 12 months, Fair Value		7
Less than 12 months, Unrealized Losses		(2)
12 months or longer, Fair Value		0
12 months or longer, Unrealized Losses		0
Total Fair Value		7
Total Unrealized Losses		$ (2)

Investment Securities - Narrati

Investment Securities - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sale of available for sale securities		$ 0	$ 3,360,000	$ 1,543,000
Gross gains on sales of securities	$ 6,000	$ 0	455,000	3,999,000
Gain associated with call of held-to-maturity securities			400,000
Held-to-maturity security called	$ 4,400,000		$ 4,400,000
Debt securities
Schedule of Available-for-sale Securities [Line Items]
Gross gains on sales of securities				1,700,000
Available for sale debt securities exchanged				$ 294,000,000

Loans (Narrative) (Details)

Loans (Narrative) (Details)	3 Months Ended			9 Months Ended
	Sep. 30, 2017USD ($)grade		Sep. 30, 2016USD ($)	Sep. 30, 2017USD ($)grade		Sep. 30, 2016USD ($)	Jun. 30, 2017USD ($)	Dec. 31, 2016USD ($)		Jun. 30, 2016USD ($)	Dec. 31, 2015USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 20,166,091,000	[1]	$ 19,555,787,000	$ 20,166,091,000	[1]	$ 19,555,787,000		$ 19,589,520,000	[1]
Allowance - purchased credit impaired loans	3,135,000		1,166,000	3,135,000		1,166,000		700,000
Provision expense for Loan and Lease Losses	2,600,000		300,000	2,400,000
Troubled debt restructurings loans	241,600,000			241,600,000				285,200,000
Less: Allowance for loan losses	194,867,000		201,557,000	194,867,000		201,557,000	$ 197,257,000	202,068,000		$ 199,807,000	$ 210,242,000
Average balance of impaired loans	260,083,000		312,649,000	275,227,000		313,034,000
Interest income recognized on impaired loan	1,692,000		1,760,000	5,104,000		4,898,000
Provision for loan losses	0		4,000,000	(3,000,000)		11,000,000
Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loans	15,042,859,000			15,042,859,000				14,283,610,000
Allowance - purchased credit impaired loans	2,781,000			2,781,000				319,000
Less: Allowance for loan losses	127,888,000			127,888,000				123,250,000
Permanent Mortgage Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	403,082,000		436,100,000	403,082,000		436,100,000		423,125,000
Allowance - purchased credit impaired loans	0		0	0		0
Less: Allowance for loan losses	$ 15,719,000		16,589,000	$ 15,719,000		16,589,000	16,398,000	16,289,000		17,600,000	18,947,000
TDR, reduction of interest rate by increment, basis points	0.25%			0.25%
TDRS Maturities				40 years
Modified interest rate increase	1.00%			1.00%
Provision for loan losses	$ (1,048,000)		(877,000)	$ (1,004,000)		(3,026,000)
Loans Held-For-Sale
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled debt restructurings loans	63,200,000			$ 63,200,000				69,300,000
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage				24.00%
Consumer Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	4,369,717,000		4,578,371,000	$ 4,369,717,000		4,578,371,000		4,523,752,000
Concentration risk, percentage				22.00%
Allowance - purchased credit impaired loans	354,000		333,000	$ 354,000		333,000
Less: Allowance for loan losses	40,939,000		53,235,000	$ 40,939,000		53,235,000	46,069,000	50,357,000		59,081,000	80,614,000
TDRS Maturities				30 years
Provision for loan losses	(7,717,000)		(7,078,000)	$ (15,024,000)		(26,920,000)
Allowance For TDRs To Recorded Investment Of TDRs
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan loss reserves	$ 38,600,000			$ 38,600,000				$ 44,900,000
Ratio of the allowance for loan losses to loans	16.00%			16.00%				16.00%
Loans To Mortgage Companies
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 1,966,155,000			$ 1,966,155,000				$ 2,045,189,000
Loans To Mortgage Companies | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loans	$ 1,966,155,000			$ 1,966,155,000				2,045,189,000
Percentage of commercial & industrial loan portfolio	15.00%			15.00%
Percentage contributed in total loan	10.00%			10.00%
Credit Card And Other Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 350,433,000		357,423,000	$ 350,433,000		357,423,000		359,033,000
Allowance - purchased credit impaired loans	0		0	0		0
Less: Allowance for loan losses	10,321,000		12,447,000	10,321,000		12,447,000	$ 11,941,000	12,172,000		$ 11,890,000	$ 11,885,000
Provision for loan losses	882,000		$ 3,240,000	5,698,000		$ 8,217,000
Credit Card
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 194,049,000			$ 194,049,000				191,651,000
Credit card workout program, granted rate reduction	0.00%			0.00%
Heloc And Real Estate Installment Classes
Accounts, Notes, Loans and Financing Receivable [Line Items]
TDR, reduction of interest rate by increment, basis points	0.25%			0.25%
Modified interest rate increase	2.00%			2.00%
Restricted And Secured Consumer Real Estate Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 26,200,000			$ 26,200,000				35,900,000
Finance And Insurance Companies | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loans	$ 2,800,000,000			$ 2,800,000,000
Percentage of commercial & industrial loan portfolio	22.00%			22.00%
Percentage contributed in total loan	14.00%			14.00%
Finance Insurance And Loans To Mortgage Companies | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of commercial & industrial loan portfolio	37.00%			37.00%
TRUPs
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 307,333,000			$ 307,333,000				307,445,000	[2]
Loan loss reserves	25,500,000			25,500,000				25,500,000
TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loans	307,333,000			307,333,000				307,445,000	[3]
Loan loss reserves	$ 25,500,000			$ 25,500,000				25,500,000
Maximum | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forbearance agreements time period				12 months
Maximum | Permanent Mortgage Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Modified interest rate time period				5 years
Maximum | Credit Card
Accounts, Notes, Loans and Financing Receivable [Line Items]
Payment reductions, time period				1 year
Credit card workout program, term extension				5 years
Maximum | Heloc And Real Estate Installment Classes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Modified interest rate time period				5 years
Minimum | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Forbearance agreements time period				6 months
Minimum | Permanent Mortgage Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Modified interest rate	2.00%			2.00%
Modified interest rate time period				5 years
Minimum | Credit Card
Accounts, Notes, Loans and Financing Receivable [Line Items]
Payment reductions, time period				6 months
Minimum | Heloc And Real Estate Installment Classes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Modified interest rate	1.00%			1.00%
Modified interest rate time period				5 years
Pass | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades | grade	12			12
Pass | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades | grade	1			1
Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades | grade	13			13
Special Mention | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades | grade	13			13
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades | grade	14			14
Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades | grade	15			15
Loss
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades | grade	16			16
Loss | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades | grade	16			16
PD Grade 1
Accounts, Notes, Loans and Financing Receivable [Line Items]
Lowest expected default probability | grade	1			1
PD Grade 1 | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: Allowance for loan losses	$ 81,000			$ 81,000				77,000
PD Grade 12 | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: Allowance for loan losses	7,065,000			7,065,000				6,377,000
PD Grade 13 | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: Allowance for loan losses	6,927,000			6,927,000				$ 4,225,000
PD Grade 13 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loans	$ 500,000			$ 500,000
LGD Grade 1 | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades | grade	1			1
LGD Grade 12 | Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan grades | grade	12			12
Loan Reassessed | Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loans	$ 1,000,000			$ 1,000,000
[1]	September 30, 2017 and December 31, 2016 include $24.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.
[2]	TRUPS is presented net of the valuation allowance of $25.5 million.
[3]	Balances as of September 30, 2017 and December 31, 2016, presented net of a $25.5 million valuation allowance. Based on the underlying structure of the notes, the highest possible internal grade is “13”.

Loans (Schedule Of Loans By Por

Loans (Schedule Of Loans By Portfolio Segment) (Details) - USD ($) $ in Thousands	Sep. 30, 2017		Jun. 30, 2017	Dec. 31, 2016		Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 20,166,091	[1]		$ 19,589,520	[1]	$ 19,555,787
Allowance for loan losses	194,867		$ 197,257	202,068		201,557	$ 199,807	$ 210,242
Total net loans	19,971,224			19,387,452
Commercial Financial And Industrial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	12,791,844			12,148,087		12,118,298
Allowance for loan losses	98,205		92,379	89,398		86,866	80,972	73,637
Commercial Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	2,251,015			2,135,523		2,065,595
Allowance for loan losses	29,683		30,470	33,852		32,420	30,264	25,159
Consumer Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	4,369,717			4,523,752		4,578,371
Allowance for loan losses	40,939		46,069	50,357		53,235	59,081	80,614
Permanent Mortgage Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	403,082			423,125		436,100
Allowance for loan losses	15,719		16,398	16,289		16,589	17,600	18,947
Credit Card And Other Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	350,433			359,033		357,423
Allowance for loan losses	10,321		$ 11,941	12,172		$ 12,447	$ 11,890	$ 11,885
Restricted And Secured Consumer Real Estate Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of unearned income	$ 26,200			$ 35,900
[1]	September 30, 2017 and December 31, 2016 include $24.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.

Loans (Certain Loans Acquired I

Loans (Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Movement Schedule Rollforward) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Balance, beginning of period	$ 4,045	$ 6,171	$ 6,871	$ 8,542
Addition	0	2,883	0	2,883
Accretion	(642)	(837)	(2,412)	(2,984)
Adjustment for payoffs	(198)	(179)	(1,232)	(4,408)
Adjustment for charge-offs	0	0	0	(674)
Adjustment for pool excess recovery	0	0	(222)	0
Increase in accretable yield	(2)	686	112	5,398
Other	0	0	86	(33)
Balance, end of period	$ 3,203	$ 8,724	$ 3,203	$ 8,724

Loans (Schedule Of Acquired Pur

Loans (Schedule Of Acquired Purchase Credit Impaired Loans By Portfolio Segment) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	$ 22,685	$ 46,355
Unpaid balance	27,431	49,863
Commercial Financial And Industrial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	17,903	40,368
Unpaid balance	21,239	41,608
Commercial Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	3,842	4,763
Unpaid balance	4,933	6,514
Consumer Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	940	1,172
Unpaid balance	1,259	1,677
Credit Card And Other Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value	0	52
Unpaid balance	$ 0	$ 64

Loans (Information By Class Rel

Loans (Information By Class Related To Individually Impaired Loans) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	$ 254,831		$ 254,831		$ 298,778
Unpaid Principal Balance	292,555		292,555		336,303
Related Allowance	43,804		43,804		45,818
Average balance of impaired loans	260,083	$ 312,649	275,227	$ 313,034
Interest income recognized on impaired loan	1,692	1,760	5,104	4,898
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	34,348		34,348		51,086
Unpaid Principal Balance	44,602		44,602		58,776
Related Allowance	7,021		7,021		4,413
Average balance of impaired loans	37,704	56,199	43,946	53,084
Interest income recognized on impaired loan	204	309	646	740
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	220,483		220,483		247,692
Unpaid Principal Balance	247,953		247,953		277,527
Related Allowance	36,783		36,783		41,405
Average balance of impaired loans	222,379	256,450	231,281	259,950
Interest income recognized on impaired loan	1,488	1,451	4,458	4,158
Impaired Loans With No Related Allowance Recorded | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	2,055		2,055		10,419
Unpaid Principal Balance	10,769		10,769		16,636
Related Allowance	0		0		0
Average balance of impaired loans	5,771	14,942	8,706	14,145
Interest income recognized on impaired loan	0	0	0	0
Impaired Loans With No Related Allowance Recorded | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	20,425		20,425		20,651
Unpaid Principal Balance	33,111		33,111		34,553
Related Allowance	0		0		0
Average balance of impaired loans	20,100	19,711	20,251	19,725
Interest income recognized on impaired loan	0	0	0	0
Impaired Loans With Related Allowance Recorded | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	32,293		32,293		40,667
Unpaid Principal Balance	33,833		33,833		42,140
Related Allowance	7,021		7,021		4,413
Average balance of impaired loans	31,933	41,257	35,240	38,939
Interest income recognized on impaired loan	204	309	646	740
Impaired Loans With Related Allowance Recorded | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	200,058		200,058		227,041
Unpaid Principal Balance	214,842		214,842		242,974
Related Allowance	36,783		36,783		41,405
Average balance of impaired loans	202,279	236,739	211,030	240,225
Interest income recognized on impaired loan	1,488	1,451	4,458	4,158
General C I | Impaired Loans With No Related Allowance Recorded | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	2,055		2,055		10,419
Unpaid Principal Balance	10,769		10,769		16,636
Related Allowance	0		0		0
Average balance of impaired loans	5,771	13,708	8,706	12,088
Interest income recognized on impaired loan	0	0	0	0
General C I | Impaired Loans With Related Allowance Recorded | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	26,876		26,876		34,334
Unpaid Principal Balance	27,345		27,345		34,470
Related Allowance	5,970		5,970		3,294
Average balance of impaired loans	26,144	33,433	29,136	29,896
Interest income recognized on impaired loan	193	289	597	668
TRUPs | Impaired Loans With Related Allowance Recorded | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	3,097		3,097		3,209
Unpaid Principal Balance	3,700		3,700		3,700
Related Allowance	925		925		925
Average balance of impaired loans	3,117	3,258	3,157	3,291
Interest income recognized on impaired loan	0	0	0	0
Income C R E | Impaired Loans With No Related Allowance Recorded | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	0		0		0
Unpaid Principal Balance	0		0		0
Related Allowance	0		0		0
Average balance of impaired loans	0	1,234	0	2,057
Interest income recognized on impaired loan	0	0	0	0
Income C R E | Impaired Loans With Related Allowance Recorded | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	1,525		1,525		1,831
Unpaid Principal Balance	1,525		1,525		2,209
Related Allowance	43		43		62
Average balance of impaired loans	1,628	3,211	1,737	4,376
Interest income recognized on impaired loan	11	15	39	55
Residential C R E | Impaired Loans With Related Allowance Recorded | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	795		795		1,293
Unpaid Principal Balance	1,263		1,263		1,761
Related Allowance	83		83		132
Average balance of impaired loans	1,044	1,355	1,210	1,376
Interest income recognized on impaired loan	0	5	10	17
Home Equity Line of Credit | Impaired Loans With No Related Allowance Recorded | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	10,513		10,513		11,383
Unpaid Principal Balance	20,372		20,372		21,662
Related Allowance	0		0		0
Average balance of impaired loans	10,225	11,273	10,536	11,100
Interest income recognized on impaired loan	0	0	0	0
Home Equity Line of Credit | Impaired Loans With Related Allowance Recorded | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	74,009		74,009		84,711
Unpaid Principal Balance	76,587		76,587		87,126
Related Allowance	14,174		14,174		15,927
Average balance of impaired loans	74,894	87,919	78,859	88,266
Interest income recognized on impaired loan	554	546	1,695	1,527
R E Installment Loans | Impaired Loans With No Related Allowance Recorded | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	4,431		4,431		3,957
Unpaid Principal Balance	5,135		5,135		4,992
Related Allowance	0		0		0
Average balance of impaired loans	4,182	4,158	4,014	4,333
Interest income recognized on impaired loan	0	0	0	0
R E Installment Loans | Impaired Loans With Related Allowance Recorded | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	46,905		46,905		53,409
Unpaid Principal Balance	47,708		47,708		54,559
Related Allowance	9,762		9,762		12,875
Average balance of impaired loans	47,628	57,775	49,634	58,890
Interest income recognized on impaired loan	315	357	950	1,019
Permanent Mortgage Portfolio Segment | Impaired Loans With No Related Allowance Recorded | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	5,481		5,481		5,311
Unpaid Principal Balance	7,604		7,604		7,899
Related Allowance	0		0		0
Average balance of impaired loans	5,693	4,280	5,701	4,292
Interest income recognized on impaired loan	0	0	0	0
Permanent Mortgage Portfolio Segment | Impaired Loans With Related Allowance Recorded | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	78,600		78,600		88,615
Unpaid Principal Balance	90,003		90,003		100,983
Related Allowance	12,601		12,601		12,470
Average balance of impaired loans	79,305	90,697	82,186	92,716
Interest income recognized on impaired loan	616	544	1,805	1,602
Credit Card And Other Portfolio Segment | Impaired Loans With Related Allowance Recorded | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment	544		544		306
Unpaid Principal Balance	544		544		306
Related Allowance	246		246		$ 133
Average balance of impaired loans	452	348	351	353
Interest income recognized on impaired loan	$ 3	$ 4	$ 8	$ 10

Loans (Balances Of Commercial L

Loans (Balances Of Commercial Loan Portfolio Classes, Disaggregated By PD Grade) (Details) $ in Thousands	Sep. 30, 2017USD ($)grade	Jun. 30, 2017USD ($)	Dec. 31, 2016USD ($)grade		Sep. 30, 2016USD ($)	Jun. 30, 2016USD ($)	Dec. 31, 2015USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Allowance	$ 194,867	$ 197,257	$ 202,068		$ 201,557	$ 199,807	$ 210,242
Total loans collectively evaluated for impairment	19,885,440				19,192,515
Total loans individually evaluated for impairment	254,831				305,973
Purchase credit impaired loans - recorded investment	25,820				57,299
Allowance - collectively evaluated for impairment	147,928				150,777
Allowance - individually evaluated for impairment	43,804				49,614
Allowance - purchased credit impaired loans	$ 3,135		$ 700		$ 1,166
Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percent of total commercial loans (percent)	100.00%		100.00%
Loans and Leases Receivable, Allowance	$ 127,888		$ 123,250
Total loans collectively evaluated for impairment	14,983,986		14,187,074
Total loans individually evaluated for impairment	34,348		51,086
Purchase credit impaired loans - recorded investment	24,525		45,450
Total commercial loans	$ 15,042,859		$ 14,283,610
Percent of loan collectively evaluated for impairment (percent)	99.00%		99.00%
Percent of loan individually evaluated for impairment (percent)	1.00%		1.00%
Percent of loan purchased-credit impaired (percent)	0.00%		0.00%
Allowance - collectively evaluated for impairment	$ 118,086		$ 118,518
Allowance - individually evaluated for impairment	7,021		4,413
Allowance - purchased credit impaired loans	2,781		319
General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans collectively evaluated for impairment	10,468,700		9,710,168
Total loans individually evaluated for impairment	28,931		44,753
Purchase credit impaired loans - recorded investment	20,725		40,532
Total commercial loans	10,518,356		9,795,453
Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans collectively evaluated for impairment	1,966,155		2,045,189
Total loans individually evaluated for impairment	0		0
Purchase credit impaired loans - recorded investment	0		0
Total commercial loans	1,966,155		2,045,189
TRUPs
Accounts, Notes, Loans and Financing Receivable [Line Items]
Valuation allowance	25,500		25,500
TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans collectively evaluated for impairment	304,236		304,236	[1]
Total loans individually evaluated for impairment	3,097		3,209	[1]
Purchase credit impaired loans - recorded investment	0		0	[1]
Total commercial loans	307,333		307,445	[1]
Valuation allowance	$ 25,500		$ 25,500
Highest internal grade | grade	13		13
Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans collectively evaluated for impairment	$ 2,203,852		$ 2,085,619
Total loans individually evaluated for impairment	1,525		1,831
Purchase credit impaired loans - recorded investment	3,792		4,583
Total commercial loans	2,209,169		2,092,033
Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans collectively evaluated for impairment	41,043		41,862
Total loans individually evaluated for impairment	795		1,293
Purchase credit impaired loans - recorded investment	8		335
Total commercial loans	41,846		43,490
Commercial Loan P D Grade One | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 585,650		$ 466,257
Percent of total commercial loans (percent)	4.00%		3.00%
Loans and Leases Receivable, Allowance	$ 81		$ 77
Commercial Loan P D Grade One | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	583,818		465,179
Commercial Loan P D Grade One | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0
Commercial Loan P D Grade One | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade One | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	1,832		1,078
Commercial Loan P D Grade One | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0
Commercial Loan P D Grade Two | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 909,881		$ 803,012
Percent of total commercial loans (percent)	6.00%		6.00%
Loans and Leases Receivable, Allowance	$ 385		$ 403
Commercial Loan P D Grade Two | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	905,992		791,183
Commercial Loan P D Grade Two | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0
Commercial Loan P D Grade Two | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Two | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	3,777		11,742
Commercial Loan P D Grade Two | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	112		87
Commercial Loan P D Grade Three | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 1,300,522		$ 1,107,542
Percent of total commercial loans (percent)	9.00%		8.00%
Loans and Leases Receivable, Allowance	$ 277		$ 304
Commercial Loan P D Grade Three | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	500,056		491,386
Commercial Loan P D Grade Three | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	643,772		462,486
Commercial Loan P D Grade Three | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Three | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	156,694		153,670
Commercial Loan P D Grade Three | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0
Commercial Loan P D Grade Four | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 1,901,151		$ 1,532,811
Percent of total commercial loans (percent)	13.00%		11.00%
Loans and Leases Receivable, Allowance	$ 955		$ 953
Commercial Loan P D Grade Four | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	1,026,592		978,282
Commercial Loan P D Grade Four | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	578,566		332,107
Commercial Loan P D Grade Four | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Four | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	295,781		222,422
Commercial Loan P D Grade Four | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	212		0
Commercial Loan P D Grade Five | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 2,117,757		$ 1,873,965
Percent of total commercial loans (percent)	14.00%		13.00%
Loans and Leases Receivable, Allowance	$ 7,697		$ 6,670
Commercial Loan P D Grade Five | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	1,460,107		1,232,401
Commercial Loan P D Grade Five | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	211,846		275,209
Commercial Loan P D Grade Five | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Five | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	443,751		365,653
Commercial Loan P D Grade Five | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	2,053		702
Commercial Loan P D Grade Six | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 2,302,052		$ 2,502,310
Percent of total commercial loans (percent)	14.00%		17.00%
Loans and Leases Receivable, Allowance	$ 9,857		$ 10,403
Commercial Loan P D Grade Six | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	1,519,911		1,540,519
Commercial Loan P D Grade Six | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	362,685		614,109
Commercial Loan P D Grade Six | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Six | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	413,342		338,344
Commercial Loan P D Grade Six | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	6,114		9,338
Commercial Loan P D Grade Seven | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 2,220,394		$ 2,228,369
Percent of total commercial loans (percent)	14.00%		16.00%
Loans and Leases Receivable, Allowance	$ 13,297		$ 14,010
Commercial Loan P D Grade Seven | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	1,705,394		1,556,117
Commercial Loan P D Grade Seven | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	60,135		317,283
Commercial Loan P D Grade Seven | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Seven | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	446,493		352,390
Commercial Loan P D Grade Seven | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	8,372		2,579
Commercial Loan P D Grade Eight | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 1,341,553		$ 1,422,786
Percent of total commercial loans (percent)	9.00%		10.00%
Loans and Leases Receivable, Allowance	$ 20,963		$ 25,986
Commercial Loan P D Grade Eight | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	1,042,209		963,359
Commercial Loan P D Grade Eight | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	34,623		30,974
Commercial Loan P D Grade Eight | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Eight | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	259,813		425,503
Commercial Loan P D Grade Eight | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	4,908		2,950
Commercial Loan P D Grade Nine | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 687,974		$ 725,767
Percent of total commercial loans (percent)	5.00%		5.00%
Loans and Leases Receivable, Allowance	$ 11,376		$ 13,857
Commercial Loan P D Grade Nine | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	556,662		611,774
Commercial Loan P D Grade Nine | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	60,954		4,299
Commercial Loan P D Grade Nine | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Nine | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	66,082		105,277
Commercial Loan P D Grade Nine | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	4,276		4,417
Commercial Loan P D Grade Ten | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 433,315		$ 423,616
Percent of total commercial loans (percent)	3.00%		3.00%
Loans and Leases Receivable, Allowance	$ 8,502		$ 8,400
Commercial Loan P D Grade Ten | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	395,187		355,359
Commercial Loan P D Grade Ten | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		8,663
Commercial Loan P D Grade Ten | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Ten | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	31,570		50,484
Commercial Loan P D Grade Ten | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	6,558		9,110
Commercial Loan P D Grade Eleven | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 260,435		$ 265,371
Percent of total commercial loans (percent)	2.00%		2.00%
Loans and Leases Receivable, Allowance	$ 6,730		$ 6,556
Commercial Loan P D Grade Eleven | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	217,190		238,230
Commercial Loan P D Grade Eleven | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	13,548		0
Commercial Loan P D Grade Eleven | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Eleven | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	24,878		20,600
Commercial Loan P D Grade Eleven | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	4,819		6,541
Commercial Loan P D Grade Twelve | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 199,436		$ 190,094
Percent of total commercial loans (percent)	1.00%		1.00%
Loans and Leases Receivable, Allowance	$ 7,065		$ 6,377
Commercial Loan P D Grade Twelve | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	185,929		170,531
Commercial Loan P D Grade Twelve | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0
Commercial Loan P D Grade Twelve | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Twelve | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	10,798		15,395
Commercial Loan P D Grade Twelve | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	2,709		4,168
Commercial Loan P D Grade Thirteen | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 486,035		$ 432,571
Percent of total commercial loans (percent)	3.00%		3.00%
Loans and Leases Receivable, Allowance	$ 6,927		$ 4,225
Commercial Loan P D Grade Thirteen | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	142,729		121,276
Commercial Loan P D Grade Thirteen | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0
Commercial Loan P D Grade Thirteen | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	304,236		304,236	[1]
Commercial Loan P D Grade Thirteen | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	38,979		6,748
Commercial Loan P D Grade Thirteen | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	91		311
Commercial Loan P D Grade Fourteen Fifteen Sixteen | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 237,831		$ 212,603
Percent of total commercial loans (percent)	2.00%		1.00%
Loans and Leases Receivable, Allowance	$ 23,974		$ 20,297
Commercial Loan P D Grade Fourteen Fifteen Sixteen | General C I | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	226,924		194,572
Commercial Loan P D Grade Fourteen Fifteen Sixteen | Loans To Mortgage Companies [Member] | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	26		59
Commercial Loan P D Grade Fourteen Fifteen Sixteen | TRUPs | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	0		0	[1]
Commercial Loan P D Grade Fourteen Fifteen Sixteen | Income C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	10,062		16,313
Commercial Loan P D Grade Fourteen Fifteen Sixteen | Residential C R E | Commercial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial loan, Disaggregated by PD grade	$ 819		$ 1,659
[1]	Balances as of September 30, 2017 and December 31, 2016, presented net of a $25.5 million valuation allowance. Based on the underlying structure of the notes, the highest possible internal grade is “13”.

Loans (Loans by FICO Score, Con

Loans (Loans by FICO Score, Consumer) (Details)	Sep. 30, 2017	Dec. 31, 2016
HELOC | FICO score 740 or greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	58.50%	56.90%
HELOC | FICO score 720-739
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	8.80%	8.80%
HELOC | FICO score 700-719
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	8.20%	8.60%
HELOC | FICO score 660-699
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	12.10%	13.20%
HELOC | FICO score 620-659
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	5.60%	5.60%
HELOC | FICO score less than 620
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	6.80%	6.90%
HELOC | Total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	100.00%	100.00%
R E Installment Loans | FICO score 740 or greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	71.80%	70.30%
R E Installment Loans | FICO score 720-739
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	8.10%	8.30%
R E Installment Loans | FICO score 700-719
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	6.60%	6.80%
R E Installment Loans | FICO score 660-699
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	8.40%	8.40%
R E Installment Loans | FICO score 620-659
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	2.70%	3.50%
R E Installment Loans | FICO score less than 620
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	2.40%	2.70%
R E Installment Loans | Total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	100.00%	100.00%
Permanent Mortgage Portfolio Segment | FICO score 740 or greater
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	45.10%	45.00%
Permanent Mortgage Portfolio Segment | FICO score 720-739
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	12.80%	9.50%
Permanent Mortgage Portfolio Segment | FICO score 700-719
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	11.00%	9.20%
Permanent Mortgage Portfolio Segment | FICO score 660-699
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	15.30%	17.10%
Permanent Mortgage Portfolio Segment | FICO score 620-659
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	7.00%	9.10%
Permanent Mortgage Portfolio Segment | FICO score less than 620
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	8.80%	10.10%
Permanent Mortgage Portfolio Segment | Total
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average refreshed FICO score (percent)	100.00%	100.00%

Loans (Accruing And Non-Accruin

Loans (Accruing And Non-Accruing Loans By Class) (Details) - USD ($) $ in Thousands	Sep. 30, 2017		Dec. 31, 2016		Sep. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	$ 20,166,091	[1]	$ 19,589,520	[1]	$ 19,555,787
Commercial Financial And Industrial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	12,791,844		12,148,087		12,118,298
Consumer Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	4,369,717		4,523,752		4,578,371
Commercial Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,251,015		2,135,523		2,065,595
Permanent Mortgage Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	403,082		423,125		436,100
Credit Card And Other Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	350,433		359,033		$ 357,423
General C I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	10,497,631		9,754,921
Loans To Mortgage Companies [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,966,155		2,045,189
TRUPs
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	307,333		307,445	[2]
Valuation allowance	25,500		25,500
Income C R E
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,205,377		2,087,450
Residential C R E
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	41,838		43,155
Home Equity Line of Credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,453,945		1,691,583
R E Installment Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	2,914,477		2,830,593
Credit Card
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	194,049		191,651
Other Consumer Loans Class
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	156,384		167,330
C&I Purchase Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	20,725		40,532
CRE Purchase Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	3,800		4,918
RE Installment Purchase Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	1,295		1,576
Other Purchased Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans and Leases Receivable, Net of Deferred Income	0		52
Accruing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	19,964,907		19,377,918
Total Accruing	20,041,105		19,443,873
Accruing | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	45,248		42,570
Accruing | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	30,950		23,385
Accruing | Commercial Financial And Industrial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	12,738,821		12,105,988
Total Accruing	12,772,919		12,115,351
Accruing | Commercial Financial And Industrial Portfolio Segment | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	19,394		9,106
Accruing | Commercial Financial And Industrial Portfolio Segment | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	14,704		257
Accruing | Consumer Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	4,260,481		4,398,825
Total Accruing	4,292,872		4,440,940
Accruing | Consumer Real Estate Portfolio Segment [Member] | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	20,167		26,005
Accruing | Consumer Real Estate Portfolio Segment [Member] | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	12,224		16,110
Accruing | Commercial Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	2,248,885		2,132,446
Total Accruing	2,249,375		2,132,747
Accruing | Commercial Real Estate Portfolio Segment | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	490		301
Accruing | Commercial Real Estate Portfolio Segment | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Accruing | Permanent Mortgage Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	369,546		385,972
Total Accruing	375,632		395,944
Accruing | Permanent Mortgage Portfolio Segment | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	3,333		4,544
Accruing | Permanent Mortgage Portfolio Segment | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	2,753		5,428
Accruing | Credit Card And Other Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	347,174		354,687
Total Accruing	350,307		358,891
Accruing | Credit Card And Other Portfolio Segment | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	1,864		2,614
Accruing | Credit Card And Other Portfolio Segment | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	1,269		1,590
Accruing | General C I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	10,462,376		9,720,231
Total Accruing	10,481,829		9,725,453
Accruing | General C I | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	19,324		5,199
Accruing | General C I | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	129		23
Accruing | Loans To Mortgage Companies [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	1,966,129		2,041,408
Total Accruing	1,966,129		2,045,130
Accruing | Loans To Mortgage Companies [Member] | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		3,722
Accruing | Loans To Mortgage Companies [Member] | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Accruing | TRUPs
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	304,236		304,236	[2]
Total Accruing	304,236		304,236	[2]
Accruing | TRUPs | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0	[2]
Accruing | TRUPs | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0	[2]
Accruing | Income C R E
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	2,204,042		2,085,455
Total Accruing	2,204,532		2,085,469
Accruing | Income C R E | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	490		14
Accruing | Income C R E | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Accruing | Residential C R E
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	41,043		42,182
Total Accruing	41,043		42,360
Accruing | Residential C R E | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		178
Accruing | Residential C R E | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Accruing | Home Equity Line of Credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	1,375,690		1,602,640
Total Accruing	1,398,520		1,631,496
Accruing | Home Equity Line of Credit | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	14,312		17,997
Accruing | Home Equity Line of Credit | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	8,518		10,859
Accruing | R E Installment Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	2,883,593		2,794,866
Total Accruing	2,893,057		2,807,868
Accruing | R E Installment Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	5,855		7,844
Accruing | R E Installment Loans | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	3,609		5,158
Accruing | Credit Card
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	191,714		188,573
Total Accruing	194,049		191,651
Accruing | Credit Card | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	1,254		1,622
Accruing | Credit Card | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	1,081		1,456
Accruing | Other Consumer Loans Class
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	155,460		166,062
Total Accruing	156,258		167,188
Accruing | Other Consumer Loans Class | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	610		992
Accruing | Other Consumer Loans Class | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	188		134
Accruing | C&I Purchase Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	6,080		40,113
Total Accruing	20,725		40,532
Accruing | C&I Purchase Credit Impaired Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	70		185
Accruing | C&I Purchase Credit Impaired Loans | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	14,575		234
Accruing | CRE Purchase Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	3,800		4,809
Total Accruing	3,800		4,918
Accruing | CRE Purchase Credit Impaired Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		109
Accruing | CRE Purchase Credit Impaired Loans | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Accruing | RE Installment Purchase Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	1,198		1,319
Total Accruing	1,295		1,576
Accruing | RE Installment Purchase Credit Impaired Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		164
Accruing | RE Installment Purchase Credit Impaired Loans | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	97		93
Accruing | Other Purchased Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		52
Total Accruing	0		52
Accruing | Other Purchased Credit Impaired Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Accruing | Other Purchased Credit Impaired Loans | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	76,620		93,158
Total Non-Accruing	124,986		145,647
Non-Accruing | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	7,921		9,612
Non-Accruing | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	40,445		42,877
Non-Accruing | Commercial Financial And Industrial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	5,260		16,106
Total Non-Accruing	18,925		32,736
Non-Accruing | Commercial Financial And Industrial Portfolio Segment | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	1,252		374
Non-Accruing | Commercial Financial And Industrial Portfolio Segment | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	12,413		16,256
Non-Accruing | Consumer Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	58,698		64,953
Total Non-Accruing	76,845		82,812
Non-Accruing | Consumer Real Estate Portfolio Segment [Member] | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	6,092		6,584
Non-Accruing | Consumer Real Estate Portfolio Segment [Member] | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	12,055		11,275
Non-Accruing | Commercial Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	105		232
Total Non-Accruing	1,640		2,776
Non-Accruing | Commercial Real Estate Portfolio Segment | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		460
Non-Accruing | Commercial Real Estate Portfolio Segment | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	1,535		2,084
Non-Accruing | Permanent Mortgage Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	12,557		11,867
Total Non-Accruing	27,450		27,181
Non-Accruing | Permanent Mortgage Portfolio Segment | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	577		2,194
Non-Accruing | Permanent Mortgage Portfolio Segment | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	14,316		13,120
Non-Accruing | Credit Card And Other Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		0
Total Non-Accruing	126		142
Non-Accruing | Credit Card And Other Portfolio Segment | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | Credit Card And Other Portfolio Segment | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	126		142
Non-Accruing | General C I
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	5,260		16,106
Total Non-Accruing	15,802		29,468
Non-Accruing | General C I | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	1,252		374
Non-Accruing | General C I | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	9,290		12,988
Non-Accruing | Loans To Mortgage Companies [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		0
Total Non-Accruing	26		59
Non-Accruing | Loans To Mortgage Companies [Member] | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | Loans To Mortgage Companies [Member] | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	26		59
Non-Accruing | TRUPs
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		0	[2]
Total Non-Accruing	3,097		3,209	[2]
Non-Accruing | TRUPs | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0	[2]
Non-Accruing | TRUPs | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	3,097		3,209	[2]
Non-Accruing | Income C R E
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	105		232
Total Non-Accruing	845		1,981
Non-Accruing | Income C R E | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		460
Non-Accruing | Income C R E | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	740		1,289
Non-Accruing | Residential C R E
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		0
Total Non-Accruing	795		795
Non-Accruing | Residential C R E | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | Residential C R E | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	795		795
Non-Accruing | Home Equity Line of Credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	43,188		46,964
Total Non-Accruing	55,425		60,087
Non-Accruing | Home Equity Line of Credit | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	3,217		4,201
Non-Accruing | Home Equity Line of Credit | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	9,020		8,922
Non-Accruing | R E Installment Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	15,510		17,989
Total Non-Accruing	21,420		22,725
Non-Accruing | R E Installment Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	2,875		2,383
Non-Accruing | R E Installment Loans | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	3,035		2,353
Non-Accruing | Credit Card
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		0
Total Non-Accruing	0		0
Non-Accruing | Credit Card | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | Credit Card | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | Other Consumer Loans Class
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		0
Total Non-Accruing	126		142
Non-Accruing | Other Consumer Loans Class | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | Other Consumer Loans Class | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	126		142
Non-Accruing | C&I Purchase Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		0
Total Non-Accruing	0		0
Non-Accruing | C&I Purchase Credit Impaired Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | C&I Purchase Credit Impaired Loans | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | CRE Purchase Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		0
Total Non-Accruing	0		0
Non-Accruing | CRE Purchase Credit Impaired Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | CRE Purchase Credit Impaired Loans | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | RE Installment Purchase Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		0
Total Non-Accruing	0		0
Non-Accruing | RE Installment Purchase Credit Impaired Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | RE Installment Purchase Credit Impaired Loans | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | Other Purchased Credit Impaired Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	0		0
Total Non-Accruing	0		0
Non-Accruing | Other Purchased Credit Impaired Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	0		0
Non-Accruing | Other Purchased Credit Impaired Loans | 90+ Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due	$ 0		$ 0
[1]	September 30, 2017 and December 31, 2016 include $24.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.
[2]	TRUPS is presented net of the valuation allowance of $25.5 million.

Loans (Schedule Of Troubled Deb

Loans (Schedule Of Troubled Debt Restructurings Occurring During The Year) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017USD ($)loan	Sep. 30, 2016USD ($)loan	Sep. 30, 2017USD ($)loan	Sep. 30, 2016USD ($)loan
General C I
Financing Receivable, Modifications [Line Items]
Number | loan	0	2	2	7
Pre-Modification Outstanding Recorded Investment	$ 0	$ 419	$ 842	$ 20,302
Post-Modification Outstanding Recorded Investment	$ 0	$ 419	$ 836	$ 19,194
Commercial Financial And Industrial Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	0	2	2	7
Pre-Modification Outstanding Recorded Investment	$ 0	$ 419	$ 842	$ 20,302
Post-Modification Outstanding Recorded Investment	$ 0	$ 419	$ 836	$ 19,194
Income C R E
Financing Receivable, Modifications [Line Items]
Number | loan		1		1
Pre-Modification Outstanding Recorded Investment		$ 100		$ 100
Post-Modification Outstanding Recorded Investment		$ 99		$ 99
Commercial Real Estate Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan		1		1
Pre-Modification Outstanding Recorded Investment		$ 100		$ 100
Post-Modification Outstanding Recorded Investment		$ 99		$ 99
Home Equity Line of Credit
Financing Receivable, Modifications [Line Items]
Number | loan	45	48	107	200
Pre-Modification Outstanding Recorded Investment	$ 4,451	$ 5,720	$ 9,333	$ 18,418
Post-Modification Outstanding Recorded Investment	$ 4,396	$ 5,573	$ 9,139	$ 18,189
R E Installment Loans
Financing Receivable, Modifications [Line Items]
Number | loan	15	10	43	44
Pre-Modification Outstanding Recorded Investment	$ 1,630	$ 345	$ 3,386	$ 4,569
Post-Modification Outstanding Recorded Investment	$ 1,622	$ 337	$ 3,306	$ 4,846
Consumer Real Estate Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	60	58	150	244
Pre-Modification Outstanding Recorded Investment	$ 6,081	$ 6,065	$ 12,719	$ 22,987
Post-Modification Outstanding Recorded Investment	$ 6,018	$ 5,910	$ 12,445	$ 23,035
Permanent Mortgage Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	2	2	11	6
Pre-Modification Outstanding Recorded Investment	$ 34	$ 710	$ 2,043	$ 1,551
Post-Modification Outstanding Recorded Investment	$ 32	$ 704	$ 2,028	$ 1,544
Credit Card And Other Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	37	10	66	15
Pre-Modification Outstanding Recorded Investment	$ 261	$ 45	$ 426	$ 66
Post-Modification Outstanding Recorded Investment	$ 251	$ 44	$ 411	$ 64
Troubled Debt Restructurings [Member]
Financing Receivable, Modifications [Line Items]
Number | loan	99	73	229	273
Pre-Modification Outstanding Recorded Investment	$ 6,376	$ 7,339	$ 16,030	$ 45,006
Post-Modification Outstanding Recorded Investment	$ 6,301	$ 7,176	$ 15,720	$ 43,936

Loans (Schedule Of Troubled D57

Loans (Schedule Of Troubled Debt Restructurings Within The Previous 12 Months) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017USD ($)loan	Sep. 30, 2016USD ($)loan	Sep. 30, 2017USD ($)loan	Sep. 30, 2016USD ($)loan
General C I
Financing Receivable, Modifications [Line Items]
Number | loan	1		4
Recorded Investment | $	$ 1,763		$ 9,770
Commercial Financial And Industrial Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	1		4
Recorded Investment | $	$ 1,763		$ 9,770
Income C R E
Financing Receivable, Modifications [Line Items]
Number | loan	1		1
Recorded Investment | $	$ 88		$ 88
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number | loan	1		1
Recorded Investment | $	$ 88		$ 88
Home Equity Line of Credit
Financing Receivable, Modifications [Line Items]
Number | loan	0	0	4	2
Recorded Investment | $	$ 0	$ 0	$ 685	$ 138
R E Installment Loans
Financing Receivable, Modifications [Line Items]
Number | loan		0		1
Recorded Investment | $		$ 0		$ 180
Consumer Real Estate Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	0	0	4	3
Recorded Investment | $	$ 0	$ 0	$ 685	$ 318
Permanent Mortgage Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	1		2
Recorded Investment | $	$ 89		$ 627
Credit Card And Other Portfolio Segment
Financing Receivable, Modifications [Line Items]
Number | loan	2		5
Recorded Investment | $	$ 12		$ 30
Troubled Debt Restructurings That Subsequently Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Number | loan	5	0	16	3
Recorded Investment | $	$ 1,952	$ 0	$ 11,200	$ 318

Allowance For Loan Losses (Roll

Allowance For Loan Losses (Rollforward Of The Allowance For Loan Losses By Portfolio Segment) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2017		Sep. 30, 2016	Sep. 30, 2017		Sep. 30, 2016	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Balance	$ 197,257		$ 199,807	$ 202,068		$ 210,242
Charge-offs	(10,670)		(10,362)	(28,913)		(46,270)
Recoveries	8,280		8,112	24,712		26,585
Provision/(provision credit) for loan losses	0		4,000	(3,000)		11,000
Ending Balance	194,867		201,557	194,867		201,557
Allowance - individually evaluated for impairment	43,804		49,614	43,804		49,614
Allowance - collectively evaluated for impairment	147,928		150,777	147,928		150,777
Allowance - purchased credit impaired loans	3,135		1,166	3,135		1,166	$ 700
Individually evaluated for impairment	254,831		305,973	254,831		305,973
Collectively evaluated for impairment	19,885,440		19,192,515	19,885,440		19,192,515
Purchase credit impaired loans - recorded investment	25,820		57,299	25,820		57,299
Loans and Leases Receivable, Net of Deferred Income	20,166,091	[1]	19,555,787	20,166,091	[1]	19,555,787	19,589,520	[1]
Commercial Financial And Industrial Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Balance	92,379		80,972	89,398		73,637
Charge-offs	(3,723)		(1,992)	(6,188)		(16,386)
Recoveries	601		725	2,877		3,107
Provision/(provision credit) for loan losses	8,948		7,161	12,118		26,508
Ending Balance	98,205		86,866	98,205		86,866
Allowance - individually evaluated for impairment	6,895		5,187	6,895		5,187
Allowance - collectively evaluated for impairment	88,529		81,376	88,529		81,376
Allowance - purchased credit impaired loans	2,781		303	2,781		303
Individually evaluated for impairment	32,028		49,351	32,028		49,351
Collectively evaluated for impairment	12,739,091		12,022,457	12,739,091		12,022,457
Purchase credit impaired loans - recorded investment	20,725		46,490	20,725		46,490
Loans and Leases Receivable, Net of Deferred Income	12,791,844		12,118,298	12,791,844		12,118,298	12,148,087
Commercial Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Balance	30,470		30,264	33,852		25,159
Charge-offs	0		(49)	(20)		(742)
Recoveries	278		651	639		1,782
Provision/(provision credit) for loan losses	(1,065)		1,554	(4,788)		6,221
Ending Balance	29,683		32,420	29,683		32,420
Allowance - individually evaluated for impairment	126		216	126		216
Allowance - collectively evaluated for impairment	29,557		31,674	29,557		31,674
Allowance - purchased credit impaired loans	0		530	0		530
Individually evaluated for impairment	2,320		3,302	2,320		3,302
Collectively evaluated for impairment	2,244,895		2,053,101	2,244,895		2,053,101
Purchase credit impaired loans - recorded investment	3,800		9,192	3,800		9,192
Loans and Leases Receivable, Net of Deferred Income	2,251,015		2,065,595	2,251,015		2,065,595	2,135,523
Consumer Real Estate Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Balance	46,069		59,081	50,357		80,614
Charge-offs	(3,601)		(4,359)	(11,401)		(17,867)
Recoveries	6,188		5,591	17,007		17,408
Provision/(provision credit) for loan losses	(7,717)		(7,078)	(15,024)		(26,920)
Ending Balance	40,939		53,235	40,939		53,235
Allowance - individually evaluated for impairment	23,936		29,461	23,936		29,461
Allowance - collectively evaluated for impairment	16,649		23,441	16,649		23,441
Allowance - purchased credit impaired loans	354		333	354		333
Individually evaluated for impairment	135,858		158,909	135,858		158,909
Collectively evaluated for impairment	4,232,564		4,417,896	4,232,564		4,417,896
Purchase credit impaired loans - recorded investment	1,295		1,566	1,295		1,566
Loans and Leases Receivable, Net of Deferred Income	4,369,717		4,578,371	4,369,717		4,578,371	4,523,752
Permanent Mortgage Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Balance	16,398		17,600	16,289		18,947
Charge-offs	(173)		(373)	(1,499)		(834)
Recoveries	542		239	1,933		1,502
Provision/(provision credit) for loan losses	(1,048)		(877)	(1,004)		(3,026)
Ending Balance	15,719		16,589	15,719		16,589
Allowance - individually evaluated for impairment	12,601		14,611	12,601		14,611
Allowance - collectively evaluated for impairment	3,118		1,978	3,118		1,978
Allowance - purchased credit impaired loans	0		0	0		0
Individually evaluated for impairment	84,081		94,071	84,081		94,071
Collectively evaluated for impairment	319,001		342,029	319,001		342,029
Purchase credit impaired loans - recorded investment	0		0	0		0
Loans and Leases Receivable, Net of Deferred Income	403,082		436,100	403,082		436,100	423,125
Credit Card And Other Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Balance	11,941		11,890	12,172		11,885
Charge-offs	(3,173)		(3,589)	(9,805)		(10,441)
Recoveries	671		906	2,256		2,786
Provision/(provision credit) for loan losses	882		3,240	5,698		8,217
Ending Balance	10,321		12,447	10,321		12,447
Allowance - individually evaluated for impairment	246		139	246		139
Allowance - collectively evaluated for impairment	10,075		12,308	10,075		12,308
Allowance - purchased credit impaired loans	0		0	0		0
Individually evaluated for impairment	544		340	544		340
Collectively evaluated for impairment	349,889		357,032	349,889		357,032
Purchase credit impaired loans - recorded investment	0		51	0		51
Loans and Leases Receivable, Net of Deferred Income	$ 350,433		$ 357,423	$ 350,433		$ 357,423	$ 359,033
[1]	September 30, 2017 and December 31, 2016 include $24.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.

Intangible Assets (Narrative) (

Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 2,000	$ 1,300	$ 5,200	$ 3,900
Goodwill [Line Items]
Goodwill	236,335	$ 191,371	236,335	$ 191,371	$ 191,371	$ 191,307
Non Strategic
Goodwill [Line Items]
Gross goodwill	200,000		200,000		200,000
Accumulated impairments	114,100		114,100		114,100
Accumulated divestiture related write-offs	85,900		85,900		85,900
Goodwill	$ 0		$ 0		$ 0

Intangible Assets (Summary Of I

Intangible Assets (Summary Of Intangible Assets and Accumulated Amortization Included In The Consolidated Statements of Condition) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Intangible Assets [Line Items]
Gross Carrying Amount	$ 99,337	$ 72,270
Accumulated Amortization	(56,180)	(51,253)
Net Carrying Value	43,157	21,017
Core deposit intangibles
Intangible Assets [Line Items]
Gross Carrying Amount	16,850	16,850
Accumulated Amortization	(6,154)	(4,721)
Net Carrying Value	10,696	12,129
Customer Relationships
Intangible Assets [Line Items]
Gross Carrying Amount	76,865	54,865
Accumulated Amortization	(49,496)	(46,302)
Net Carrying Value	27,369	8,563
Other
Intangible Assets [Line Items]
Gross Carrying Amount	5,622	555
Accumulated Amortization	(530)	(230)
Net Carrying Value	5,092	325
State banking licenses
Intangible Assets [Line Items]
Net Carrying Value	$ 300	$ 300

Intangible Assets (Schedule Of

Intangible Assets (Schedule Of Estimated Aggregate Amortization Expense for Intangible Assets) (Details) $ in Thousands	Sep. 30, 2017USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Remainder of 2017	$ 1,964
2,018	7,483
2,019	7,179
2,020	4,303
2,021	4,123
2,022	$ 3,356

Intangible Assets (Summary Of G

Intangible Assets (Summary Of Gross Goodwill And Accumulated Impairment Losses And Write-Offs Detailed By Reportable Segments) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Goodwill [Line Items]
Goodwill, Beginning balance	$ 191,371	$ 191,307
Additions	44,964	64
Goodwill, Ending balance	236,335	191,371
Regional Banking
Goodwill [Line Items]
Goodwill, Beginning balance	93,367	93,303
Additions	0	64
Goodwill, Ending balance	93,367	93,367
Fixed Income
Goodwill [Line Items]
Goodwill, Beginning balance	98,004	98,004
Additions	44,964	0
Goodwill, Ending balance	$ 142,968	$ 98,004

Other Income And Other Expens63

Other Income And Other Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
All other income and commissions:
ATM interchange fees	$ 3,137	$ 3,081	$ 8,998	$ 8,918
Other service charges	2,954	3,004	9,047	8,713
Mortgage banking	1,354	5,524	3,883	7,395
Electronic banking fees	1,282	1,398	3,911	4,176
Letter of credit fees	1,211	981	3,369	3,157
Deferred compensation	1,128	1,038	4,446	2,162
Insurance commissions	567	1,262	2,042	2,301
Gain/(loss) on extinguishment of debt	(14,329)	0	(14,329)	0
Other	2,739	5,518	7,684	10,594
Total	43	21,806	29,051	47,416
All other expense:
Litigation and regulatory matters	8,162	260	8,403	25,785
Travel and entertainment	2,798	2,478	8,308	7,035
Other insurance and taxes	2,396	2,625	7,229	8,952
Customer relations	1,361	1,442	4,240	4,804
Employee training and dues	1,198	1,360	4,194	4,088
Supplies	928	1,158	2,884	3,114
Tax credit investments	762	788	2,646	2,325
Miscellaneous loan costs	757	676	2,078	1,958
OREO	303	815	953	125
Other	9,033	8,326	29,954	30,669
Total	$ 27,698	$ 19,928	$ 70,889	$ 88,855

Components of Other Comprehen64

Components of Other Comprehensive Income/(loss) (Schedule of Changes in AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017		Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (237,462)	$ (152,334)	$ (247,654)		$ (214,192)
Net unrealized gains/(losses)	4,317	(9,098)	13,966		52,558
Amounts reclassified from AOCI	761	604	1,304		806
Other comprehensive income/(loss)	5,078	(8,494)	15,270	[1]	53,364	[1]
Ending Balance	(232,384)	(160,828)	(232,384)		(160,828)
Securities AFS
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(9,857)	58,591	(17,232)		3,394
Net unrealized gains/(losses)	3,918	(7,887)	11,570		48,330
Amounts reclassified from AOCI	(1)	0	(278)		(1,020)
Other comprehensive income/(loss)	3,917	(7,887)	11,292		47,310
Ending Balance	(5,940)	50,704	(5,940)		50,704
Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(1,024)	4,691	(1,265)		0
Net unrealized gains/(losses)	(91)	(1,211)	1,906		4,228
Amounts reclassified from AOCI	(643)	(359)	(2,399)		(1,107)
Other comprehensive income/(loss)	(734)	(1,570)	(493)		3,121
Ending Balance	(1,758)	3,121	(1,758)		3,121
Pension and Postretirement Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(226,581)	(215,616)	(229,157)		(217,586)
Net unrealized gains/(losses)	490	0	490		0
Amounts reclassified from AOCI	1,405	963	3,981		2,933
Other comprehensive income/(loss)	1,895	963	4,471		2,933
Ending Balance	$ (224,686)	$ (214,653)	$ (224,686)		$ (214,653)
[1]	Due to the nature of the preferred stock issued by FHN and its subsidiaries, all components of Other comprehensive income/(loss) have been attributed solely to FHN as the controlling interest holder.

Components of Other Comprehen65

Components of Other Comprehensive Income/(loss) (Schedule of Reclassification from AOCI) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total reclassification from AOCI	$ 761	$ 604	$ 1,304	$ 806
Securities AFS
Accumulated Other Comprehensive Income (Loss) [Line Items]
Realized (gains)/losses	(1)	0	(450)	(1,654)
Tax expense/(benefit)	0	0	172	634
Total reclassification from AOCI	(1)	0	(278)	(1,020)
Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss) [Line Items]
Realized (gains)/losses	(1,041)	(582)	(3,886)	(1,795)
Tax expense/(benefit)	398	223	1,487	688
Total reclassification from AOCI	(643)	(359)	(2,399)	(1,107)
Pension and Postretirement Plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Realized (gains)/losses	2,277	1,561	6,450	4,756
Tax expense/(benefit)	(872)	(598)	(2,469)	(1,823)
Total reclassification from AOCI	$ 1,405	$ 963	$ 3,981	$ 2,933

Earnings Per Share (Schedule Of

Earnings Per Share (Schedule Of Reconciliation Of Net Income/(Loss) to Net Income/(Loss) Available to Common Shareholders) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share [Abstract]
Net income/(loss)	$ 71,769	$ 67,635	$ 225,361	$ 180,788
Net income attributable to noncontrolling interest	2,883	2,883	8,555	8,586
Net income/(loss) attributable to controlling interest	68,886	64,752	216,806	172,202
Preferred stock dividends	1,550	1,550	4,650	4,650
Net income/(loss) available to common shareholders	$ 67,336	$ 63,202	$ 212,156	$ 167,552
Weighted average common shares outstanding - basic (shares)	233,749	231,856	233,438	232,690
Effect of dilutive securities (shares)	2,591	2,236	2,934	2,085
Weighted average common shares outstanding - diluted (shares)	236,340	234,092	236,372	234,775
Net income/(loss) per share available to common shareholders (in dollars per share)	$ 0.29	$ 0.27	$ 0.91	$ 0.72
Diluted income/(loss) per share available to common shareholders (in dollars per share)	$ 0.28	$ 0.27	$ 0.90	$ 0.71

Earnings Per Share (Schedule 67

Earnings Per Share (Schedule Of Anti-Dilutive Options and Awards) (Details) - $ / shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share [Abstract]
Stock options excluded from the calculation of diluted EPS (shares)	2,595	2,793	2,490	2,996
Weighted average exercise price of stock options excluded from the calculation of diluted EPS (in dollars per share)	$ 25	$ 24.95	$ 25.70	$ 25.21
Other equity awards excluded from the calculation of diluted EPS (shares)	1,002	371	325	51

Contingencies And Other Discl68

Contingencies And Other Disclosures (Narrative I) (Details) shares in Millions	3 Months Ended	9 Months Ended	36 Months Ended	48 Months Ended
	Jun. 30, 2015USD ($)	Sep. 30, 2017USD ($)entityshares	Dec. 31, 2007USD ($)	Dec. 31, 2008USD ($)	Dec. 31, 2016USD ($)	Mar. 31, 2008shares
Loss Contingencies [Line Items]
Estimated Litigation Liability		$ 8,800,000
Number of GSEs to which conventional conforming single-family mortgage loans were predominately sold to | entity		2
Loan-to-value ratio at origination		80.00%
Accrued losses on loan repurchase exposure		$ 34,600,000			$ 66,000,000
Mortgage loans originated and sold to agencies				$ 69,500,000,000
Loans sold to GSEs				57,600,000,000
Loans Guaranteed By Ginnie Mae				$ 11,900,000,000
Loans included in FH proprietary securitizations			$ 26,700,000,000
Fha Insured
Loss Contingencies [Line Items]
Amount Of Insurance Recoveries Company Is Pursuing	$ 75,000,000
Litigation Settlement, Expense	$ 212,500,000
Mortgage Securitization Litigation
Loss Contingencies [Line Items]
Investment in proprietary securitizations subject to lawsuits		83,400,000
Investment in proprietary securitizations subject to indemnifications		$ 409,900,000
Visa Class B Shares
Loss Contingencies [Line Items]
Number of Visa Class B shares | shares		1.1				2.4
Estimated conversion ratio		165.00%
Contingent liability		$ 800,000
Derivative liability		5,500,000			$ 6,200,000
Historical cost		0
Value of holdings of Visa Class B Shares if converted into Class A shares at the current conversion ratio		193,000,000
Subservicer expenditure reimbursement amount disputed
Loss Contingencies [Line Items]
Actual damages sought by plaintiff		43,500,000
Minimum
Loss Contingencies [Line Items]
Estimated reasonably possible losses in excess of currently established liabilities		0
Maximum
Loss Contingencies [Line Items]
Estimated reasonably possible losses in excess of currently established liabilities		$ 52,000,000

Pension, Savings, And Other E69

Pension, Savings, And Other Employee Benefits (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Estimated social security benefits age		65 years
Contributions to qualified plans	$ 165,000	$ 0	$ 165,000
Savings Plan
Defined Benefit Plan Disclosure [Line Items]
Employer investment in qualified defined contribution plan		100.00%	100.00%
Maximum percent of employee pre-tax contributions that may be matched by the Company (percent)		6.00%	6.00%
Non-Qualified Plans | Pension and Postretirement Plans
Defined Benefit Plan Disclosure [Line Items]
Contributions to qualified plans				$ 5,100
Expected pension contribution		$ 5,000

Pension, Savings, And Other E70

Pension, Savings, And Other Employee Benefits (Schedule Of Components Of Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 9	$ 10	$ 28	$ 30
Interest cost	7,276	7,648	22,035	23,412
Expected return on plan assets	(9,230)	(9,797)	(27,011)	(29,342)
Amortization of unrecognized, Prior service cost/(credit)	13	48	39	147
Amortization of unrecognized, Actuarial (gain)/loss	2,380	1,971	7,140	6,106
Net periodic benefit cost/(credit)	448	(120)	2,231	353
Other Benefits
Defined Benefit Plan Disclosure [Line Items]
Service cost	26	28	80	83
Interest cost	328	335	979	969
Expected return on plan assets	(236)	(227)	(710)	(685)
Amortization of unrecognized, Prior service cost/(credit)	23	43	71	128
Amortization of unrecognized, Actuarial (gain)/loss	(140)	(143)	(425)	(608)
Net periodic benefit cost/(credit)	$ 1	$ 36	$ (5)	$ (113)

Business Segment Information (A

Business Segment Information (Amounts Of Consolidated Revenue, Expense, Tax And Assets) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Net interest income	$ 209,817	$ 185,195	$ 600,226	$ 533,533
Provision/(provision credit) for loan losses	0	4,000	(3,000)	11,000
Noninterest income	112,417	148,545	357,029	428,364
Noninterest expense	236,869	233,558	676,991	687,307
Income/(loss) before income taxes	85,365	96,182	283,264	263,590
Provision/(benefit) for income taxes	13,596	28,547	57,903	82,802
Net income/(loss)	71,769	67,635	225,361	180,788
Average assets	28,874,827	27,609,702	28,852,679	27,021,137
Loss on repurchase of equity securities			(5)	181
Regional Banking
Segment Reporting Information [Line Items]
Net interest income	209,319	190,508	604,680	541,135
Provision/(provision credit) for loan losses	8,552	8,544	11,910	34,195
Noninterest income	64,369	65,128	188,082	185,679
Noninterest expense	150,464	145,050	451,175	454,970
Income/(loss) before income taxes	114,672	102,042	329,677	237,649
Provision/(benefit) for income taxes	41,267	37,027	118,986	84,736
Net income/(loss)	73,405	65,015	210,691	152,913
Average assets	19,158,458	17,582,899	18,519,584	16,704,462
Fixed Income
Segment Reporting Information [Line Items]
Net interest income	5,979	2,411	12,109	8,224
Noninterest income	55,802	72,073	161,829	217,278
Noninterest expense	53,105	59,423	155,791	180,850
Income/(loss) before income taxes	8,676	15,061	18,147	44,652
Provision/(benefit) for income taxes	2,979	5,518	5,949	16,195
Net income/(loss)	5,697	9,543	12,198	28,457
Average assets	2,586,997	2,305,986	2,388,984	2,348,640
Corporate Segment
Segment Reporting Information [Line Items]
Net interest income	(13,990)	(18,193)	(43,060)	(48,401)
Noninterest income	(9,477)	5,134	2,217	15,766
Noninterest expense	23,935	14,929	65,390	44,320
Income/(loss) before income taxes	(47,402)	(27,988)	(106,233)	(76,955)
Provision/(benefit) for income taxes	(34,255)	(16,736)	(83,019)	(40,695)
Net income/(loss)	(13,147)	(11,252)	(23,214)	(36,260)
Average assets	5,698,161	5,880,268	6,421,890	6,024,736
Loss on repurchase of equity securities	14,300		14,300
Non Strategic
Segment Reporting Information [Line Items]
Net interest income	8,509	10,469	26,497	32,575
Provision/(provision credit) for loan losses	(8,552)	(4,544)	(14,910)	(23,195)
Noninterest income	1,723	6,210	4,901	9,641
Noninterest expense	9,365	14,156	4,635	7,167
Income/(loss) before income taxes	9,419	7,067	41,673	58,244
Provision/(benefit) for income taxes	3,605	2,738	15,987	22,566
Net income/(loss)	5,814	4,329	25,686	35,678
Average assets	$ 1,431,211	$ 1,840,549	$ 1,522,221	$ 1,943,299

Variable Interest Entities (Sum

Variable Interest Entities (Summary Of VIE Consolidated By FHN) (Details) - USD ($) $ in Thousands	Sep. 30, 2017		Jun. 30, 2017	Dec. 31, 2016		Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
Assets:
Cash and due from banks	$ 347,802			$ 373,274
Loans, net of unearned income	20,166,091	[1]		19,589,520	[1]	$ 19,555,787
Less: Allowance for loan losses	194,867		$ 197,257	202,068		$ 201,557	$ 199,807	$ 210,242
Total net loans	19,971,224			19,387,452
Total assets	1,441,878			1,406,711
Total assets	29,622,636			28,555,231
Liabilities:
Term borrowings	1,059,507			1,040,656
Other liabilities	426,910			467,944
Total liabilities	26,739,085			25,850,147
On Balance Sheet Consumer Loan Securitizations
Assets:
Cash and due from banks	0			0
Loans, net of unearned income	26,210			35,873
Less: Allowance for loan losses	0			587
Total net loans	26,210			35,286
Total assets	47			283
Total assets	26,257			35,569
Liabilities:
Term borrowings	13,354			23,126
Other liabilities	3			3
Total liabilities	13,357			23,129
Rabbi Trusts Used For Deferred Compensation Plans
Assets:
Total assets	77,997			74,160
Total assets	77,997			74,160
Liabilities:
Other liabilities	58,785			54,746
Total liabilities	$ 58,785			$ 54,746
[1]	September 30, 2017 and December 31, 2016 include $24.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.

Variable Interest Entities (S73

Variable Interest Entities (Summary of the Impact of Qualifying LIHTC Investments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Low income housing tax credits
Variable Interest Entity [Line Items]
Amortization of qualifying LIHTC investments	$ 3,774	$ 5,445	$ 8,414	$ 10,073
Affordable Housing Tax Credits and Other Tax Benefits	(3,103)	(2,615)	(8,101)	(7,672)
Other tax benefits related to qualifying LIHTC investments
Variable Interest Entity [Line Items]
Affordable Housing Tax Credits and Other Tax Benefits	$ (2,478)	$ (6,131)	$ (4,307)	$ (8,310)

Variable Interest Entities (S74

Variable Interest Entities (Summary Of VIE Not Consolidated By FHN) (Details) - USD ($) $ in Thousands	Sep. 30, 2017		Dec. 31, 2016		Sep. 30, 2016
Variable Interest Entity [Line Items]
Loans, net of unearned income	$ 20,166,091	[1]	$ 19,589,520	[1]	$ 19,555,787
Term borrowings	1,059,507		1,040,656
Trading securities	1,469,402		897,071
Securities available-for-sale	3,963,138		3,943,499
Low Income Housing Partnerships
Variable Interest Entity [Line Items]
Maximum Loss Exposure	96,007		73,582
Maximum loss exposure, contractual funding commitments	34,200		17,400
Liability Recognized	34,236		17,398
Low Income Housing Partnerships | Other Assets
Variable Interest Entity [Line Items]
Maximum loss exposure, current investments	61,800		56,200
Other Tax Credit Investments
Variable Interest Entity [Line Items]
Maximum Loss Exposure	20,444		21,898
Liability Recognized	0		0
Other Tax Credit Investments | Other Assets
Variable Interest Entity [Line Items]
Maximum loss exposure, current investments	18,000		18,000
Small Issuer Trust Preferred Holdings
Variable Interest Entity [Line Items]
Maximum Loss Exposure	332,873		332,985
Liability Recognized	0		0
On Balance Sheet Trust Preferred Securitization
Variable Interest Entity [Line Items]
Maximum Loss Exposure	48,902		49,361
Liability Recognized	65,272		64,812
Loans, net of unearned income	112,500		112,500
Term borrowings	65,300		64,800
Trading securities	1,700		1,700
Proprietary & Agency Residential Mortgage Securitizations
Variable Interest Entity [Line Items]
Maximum Loss Exposure	2,300		2,568
Liability Recognized	0		0
Holdings Of Agency Mortgage Backed Securities
Variable Interest Entity [Line Items]
Maximum Loss Exposure	4,173,080		4,163,313
Liability Recognized	0		0
Trading securities	400,000		400,000
Securities available-for-sale	3,800,000		3,800,000
Commercial Loan Troubled Debt Restructurings
Variable Interest Entity [Line Items]
Maximum Loss Exposure	21,763		42,696
Maximum loss exposure, contractual funding commitments	600		5,200
Liability Recognized	0		0
Loans, net of unearned income	21,100		37,500
Sale Leaseback Transaction
Variable Interest Entity [Line Items]
Maximum Loss Exposure	14,827		11,827
Liability Recognized	$ 0		$ 0
[1]	September 30, 2017 and December 31, 2016 include $24.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.

Derivatives (Narrative) (Detail

Derivatives (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liabilities not subject to master netting agreements	$ 13,200				$ 13,200		$ 39,500
Derivative Assets not subject to master netting agreements	10,100				10,100		33,700
Collateral cash receivables	34,500				34,500		47,800
Collateral cash payables	28,200				28,200		32,800
Total trading revenues	45,000		$ 59,000		133,300	$ 185,900
Other Long-term Debt	1,059,507				1,059,507		1,040,656
Hedged amount of foreign currency denominated loans	1,300				1,300		3,800
Cash flow hedge length of time				5 years
Cash Flow Hedge | Hedged Items
Derivative Instruments, Gain (Loss) [Line Items]
Variability in Cash Flows Related to Debt Instruments (Primarily Loans)		$ 650,000		$ 250,000
Visa Class B Shares
Derivative Instruments, Gain (Loss) [Line Items]
Derivative liabilities related to sale	5,500				5,500		6,200
Long Term Debt Hedged With Fair Value Interest Rate Derivatives Using Long Haul Method
Derivative Instruments, Gain (Loss) [Line Items]
Net fair value of interest rate derivatives hedging subordinated debt	600				600		7,300
Other Long-term Debt	500,000				500,000		500,000
Long Term Debt Hedged With Fair Value Interest Rate Derivatives Using Long Haul Method | First Tennessee Bank National Association
Derivative Instruments, Gain (Loss) [Line Items]
Net fair value of interest rate derivatives hedging							1,600
Net fair value of interest rate derivatives hedging subordinated debt	200				200
Other Long-term Debt	400,000				400,000		400,000
Additional Derivative Agreements | Derivative Instruments With Accelerated Termination Provisions
Derivative Instruments, Gain (Loss) [Line Items]
Collateral received	113,600				113,600		137,500
Securities posted collateral	9,000				9,000		12,900
Net fair value of derivative assets with adjustable posting thresholds	27,400				27,400		35,900
Net fair value of derivative liabilities with adjustable posting thresholds	14,900				14,900		19,600
Additional Derivative Agreements | Derivative Instruments With Adjustable Collateral Posting Thresholds
Derivative Instruments, Gain (Loss) [Line Items]
Collateral received	113,600				113,600		137,600
Securities posted collateral	26,200				26,200		39,300
Net fair value of derivative assets with adjustable posting thresholds	27,400				27,400		35,900
Net fair value of derivative liabilities with adjustable posting thresholds	34,600				34,600		49,000
Interest Rate Contract | Cash Flow Hedge | Hedged Items
Derivative Instruments, Gain (Loss) [Line Items]
Variability in Cash Flows Related to Debt Instruments (Primarily Loans)	$ 900,000				$ 900,000		$ 250,000
Minimum
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedge length of time		3 years
Maximum
Derivative Instruments, Gain (Loss) [Line Items]
Cash flow hedge length of time		7 years

Derivatives (Derivatives Associ

Derivatives (Derivatives Associated with Fixed Income Trading Activities) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Customer Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional	$ 1,954,439	$ 1,697,992
Assets	30,564	39,495
Liabilities	12,256	14,996
Offsetting Upstream Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional	1,954,439	1,697,992
Assets	12,119	14,996
Liabilities	28,012	39,495
Put Option | Short
Derivative Instruments, Gain (Loss) [Line Items]
Notional		5,000
Assets		0
Liabilities		8
Put Option | Long
Derivative Instruments, Gain (Loss) [Line Items]
Notional	40,000	17,500
Assets	69	63
Liabilities	0	0
Forwards And Futures Purchased
Derivative Instruments, Gain (Loss) [Line Items]
Notional	4,506,883	2,916,750
Assets	3,648	6,257
Liabilities	5,296	26,659
Forwards And Futures Sold
Derivative Instruments, Gain (Loss) [Line Items]
Notional	4,499,160	3,085,396
Assets	6,355	27,330
Liabilities	$ 2,331	$ 6,615

Derivatives (Derivatives Asso77

Derivatives (Derivatives Associated With Interest Rate Risk Management Activities) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Customer Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional	$ 1,954,439	$ 1,697,992
Assets	30,564	39,495
Liabilities	12,256	14,996
Offsetting Upstream Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional	1,954,439	1,697,992
Assets	12,119	14,996
Liabilities	28,012	39,495
Customer Interest Rate Contracts Hedging | Hedging Instruments And Hedged Items | Customer Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional	1,540,036	1,357,920
Assets	16,607	17,566
Liabilities	12,675	14,277
Customer Interest Rate Contracts Hedging | Hedging Instruments And Hedged Items | Offsetting Upstream Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional	1,540,036	1,357,920
Assets	11,612	14,277
Liabilities	15,350	18,066
Debt Hedging | Hedging Instruments And Hedged Items | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Notional	900,000	900,000
Assets		1,628
Liabilities	779	7,276
Debt Hedging | Hedging Instruments And Hedged Items | Term Borrowings
Derivative Instruments, Gain (Loss) [Line Items]
Term borrowings	$ 900,000	$ 900,000

Derivatives (Gains_(Losses) on

Derivatives (Gains/(Losses) on Derivatives Associated with Interest Rate Risk Management Activities) (Details) - Hedging Instruments And Hedged Items - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Customer Interest Rate Contracts Hedging | Customer Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses) Related to Interest Rate Derivatives	$ (180)	$ (1,964)	$ 643	$ 18,749
Customer Interest Rate Contracts Hedging | Offsetting Upstream Interest Rate Contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses) Related to Interest Rate Derivatives	180	1,964	(643)	(18,749)
Debt Hedging | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses) Related to Interest Rate Derivatives	(966)	(7,254)	(1,958)	19,352
Debt Hedging | Term Borrowings
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses) related to term borrowings	$ 941	$ 7,152	$ 1,870	$ (19,059)

Derivatives (Derivatives Asso79

Derivatives (Derivatives Associated With Cash Flow Hedges) (Details) - Cash Flow Hedge - Hedging Instruments And Hedged Items - USD ($) $ in Thousands	Sep. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Variability in Cash Flows Related to Debt Instruments (Primarily Loans)		$ 650,000		$ 250,000
Interest Rate Contract
Derivative Instruments, Gain (Loss) [Line Items]
Variability in Cash Flows Related to Debt Instruments (Primarily Loans)	$ 900,000		$ 250,000
Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Notional	900,000		250,000
Liabilities	$ 916		$ 2,045

Derivatives (Gains_(Losses) o80

Derivatives (Gains/(Losses) on Derivatives Associated with Cash Flow Hedges) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Gain/Loss expected to be reclassified to earnings in the next twelve months			$ (1,200)
Cash Flow Hedge | Hedging Instruments And Hedged Items | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses)	$ (1,190)	$ (2,545)	$ (800)	$ 5,061

Derivatives (Schedule Of Deriva

Derivatives (Schedule Of Derivative Activities Associated With Trust Preferred Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	[1]	Dec. 31, 2016		Sep. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Loans, net of unearned income	$ 20,166,091		$ 19,589,520	[1]	$ 19,555,787
Loan Portfolio Hedging | Hedging Instruments And Hedged Items | Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Notional			6,500
Liabilities			208
Loan Portfolio Hedging | Hedging Instruments And Hedged Items | Trust Preferred Loans
Derivative Instruments, Gain (Loss) [Line Items]
Loans, net of unearned income			$ 6,500
[1]	September 30, 2017 and December 31, 2016 include $24.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.

Derivatives (Gains_(Losses) o82

Derivatives (Gains/(Losses) on Derivatives Associated with Trust Preferred Loans) (Details) - Loan Portfolio Hedging - Hedging Instruments And Hedged Items - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2016
Interest Rate Swap
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses) Related to Interest Rate Derivatives	$ 93	$ 201
Trust Preferred Loans
Derivative Instruments, Gain (Loss) [Line Items]
Gains/(Losses) Related to Changes in Fair Value Attributable to Interest Rate Risk	$ (92)	$ (199)

Derivative Assets And Collatera

Derivative Assets And Collateral Received (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Derivative [Line Items]
Gross amounts of recognized assets	$ 80,976	$ 121,654
Derivative Assets not subject to master netting agreements	10,100	33,700
Derivatives, Interest Rate Contracts | Subject to Master Netting Agreements
Derivative [Line Items]
Gross amounts of recognized assets	70,902	87,962
Gross amounts offset in the Statement of Condition	0	0
Net amounts of assets presented in the Statement of Condition	70,902	87,962
Derivative liabilities available for offset	(23,283)	(25,953)
Collateral Received	(43,379)	(52,888)
Net amount	$ 4,240	$ 9,121

Derivative Liabilities and Coll

Derivative Liabilities and Collateral Pledged (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Derivative [Line Items]
Gross amounts of recognized liabilities	$ 83,146	$ 135,897
Derivative Liabilities not subject to master netting agreements	13,200	39,500
Subject to Master Netting Agreements | Derivatives, Interest Rate Contracts
Derivative [Line Items]
Gross amounts of recognized liabilities	69,988	96,363
Gross amounts offset in the Statement of Condition	0	0
Net amounts of liabilities presented in the Statement of Condition	69,988	96,363
Derivative assets available for offset	(23,283)	(25,953)
Collateral pledged	(42,686)	(60,746)
Net amount	$ 4,019	$ 9,664

Securities Purchased Under Agre

Securities Purchased Under Agreements To Resell And Collateral Pledged By Counterparties (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Securities Purchased under Agreements to Resell [Abstract]
Gross amounts of recognized assets	$ 663,637	$ 613,682
Gross amounts offset in the Statement of Condition	0	0
Net amounts of assets presented in the Statement of Condition	663,637	613,682
Offsetting securities sold under agreements to repurchase	(1,044)	(1,628)
Securities collateral (not recognized on FHN's Statement of Condition)	(655,136)	(603,813)
Net amount	$ 7,457	$ 8,241

Securities Sold Under Agreement

Securities Sold Under Agreements To Repurchase And Collateral Pledged By Company (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Securities Sold under Agreements to Repurchase [Abstract]
Gross amounts of recognized liabilities	$ 516,867	$ 453,053
Gross amounts offset in the statement of Condition	0	0
Net amounts of liabilities presented in the Statement of Condition	516,867	453,053
Offsetting securities purchased under agreements to resell	(1,044)	(1,628)
Securities Collateral	(515,673)	(451,414)
Net amount	$ 150	$ 11

Schedule of the Remaining Contr

Schedule of the Remaining Contractual Maturity by Collateral Type of Securities Sold Under Agreements To Repurchase (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	$ 516,867	$ 453,053
U.S. treasuries
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	18,970	14,864
Government agency issued MBS
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	282,424	421,771
Government agency issued CMO
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	56,303	16,418
Government Guaranteed Loans (SBA and USDA) [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	159,170
Overnight and Continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	505,597	436,635
Overnight and Continuous | U.S. treasuries
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	18,970	14,864
Overnight and Continuous | Government agency issued MBS
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	276,903	421,771
Overnight and Continuous | Government agency issued CMO
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	50,554	0
Overnight and Continuous | Government Guaranteed Loans (SBA and USDA) [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	159,170
Up to 30 Days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	11,270	16,418
Up to 30 Days | U.S. treasuries
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	0	0
Up to 30 Days | Government agency issued MBS
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	5,521	0
Up to 30 Days | Government agency issued CMO
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	5,749	$ 16,418
Up to 30 Days | Government Guaranteed Loans (SBA and USDA) [Member]
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Securities sold under agreements to repurchase	$ 0

Fair Value Of Assets And Liab88

Fair Value Of Assets And Liabilities (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Gain/(loss) on instrument specific credit risk	$ 0.1	$ 0.5		$ 0.5	$ 0.7
Corporate Segment
Segment Reporting Information [Line Items]
Long-lived asset impairment	$ 2
Regional Banking
Segment Reporting Information [Line Items]
Long-lived asset impairment			$ 3.7

Fair Value Of Assets And Liab89

Fair Value Of Assets And Liabilities (Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	$ 1,469,402	$ 897,071
Loans held-for-sale	21,808	24,269
Securities available-for-sale	3,963,138	3,943,499
Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans held-for-sale	21,808	24,269
Securities available-for-sale	3,801,479	3,781,994
Total other assets	115,927	155,479
Total assets	5,408,616	4,858,813
Total other liabilities	83,146	135,897
Total liabilities	662,174	697,745
Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans held-for-sale	0	0
Securities available-for-sale	24,756	25,249
Total other assets	44,954	66,427
Total assets	69,710	91,676
Total other liabilities	7,627	33,274
Total liabilities	7,627	33,274
Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans held-for-sale	1,727	2,345
Securities available-for-sale	3,773,600	3,756,745
Total other assets	70,973	88,067
Total assets	5,313,397	4,741,655
Total other liabilities	69,989	96,378
Total liabilities	649,017	658,226
Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans held-for-sale	20,081	21,924
Securities available-for-sale	3,123	0
Total other assets	0	985
Total assets	25,509	25,482
Total other liabilities	5,530	6,245
Total liabilities	5,530	6,245
Deferred Compensation Assets | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	34,951	32,840
Deferred Compensation Assets | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	34,951	32,840
Deferred Compensation Assets | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	0	0
Deferred Compensation Assets | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	0	0
Mortgage Servicing Rights, Net | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets		985
Mortgage Servicing Rights, Net | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets		0
Mortgage Servicing Rights, Net | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets		0
Mortgage Servicing Rights, Net | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets		985
Derivatives, Forwards And Futures | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	10,003	33,587
Total other liabilities	7,627	33,274
Derivatives, Forwards And Futures | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	10,003	33,587
Total other liabilities	7,627	33,274
Derivatives, Forwards And Futures | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	0	0
Total other liabilities	0	0
Derivatives, Forwards And Futures | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	0	0
Total other liabilities	0	0
Derivatives, Interest Rate Contracts | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	70,971	88,025
Total other liabilities	69,988	96,371
Derivatives, Interest Rate Contracts | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	0	0
Total other liabilities	0	0
Derivatives, Interest Rate Contracts | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	70,971	88,025
Total other liabilities	69,988	96,371
Derivatives, Interest Rate Contracts | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	0	0
Total other liabilities	0	0
Derivatives, Other | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	2	42
Total other liabilities	5,531	6,252
Derivatives, Other | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	0	0
Total other liabilities	0	0
Derivatives, Other | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	2	42
Total other liabilities	1	7
Derivatives, Other | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other liabilities	5,530	6,245
Derivatives, Other | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total other assets	0	0
Total other liabilities	5,530	6,245
U.S. treasuries | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	100	100
U.S. treasuries | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	0	0
U.S. treasuries | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	100	100
U.S. treasuries | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	0	0
Government Agency Issued Mortgage-Backed Securities ("MBS") | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	2,087,505	2,208,687
Government Agency Issued Mortgage-Backed Securities ("MBS") | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	0	0
Government Agency Issued Mortgage-Backed Securities ("MBS") | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	2,087,505	2,208,687
Government Agency Issued Mortgage-Backed Securities ("MBS") | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	0	0
Government Agency Issued Collateralized Mortgage Obligations ("CMO") | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	1,685,995	1,547,958
Government Agency Issued Collateralized Mortgage Obligations ("CMO") | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	0	0
Government Agency Issued Collateralized Mortgage Obligations ("CMO") | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	1,685,995	1,547,958
Government Agency Issued Collateralized Mortgage Obligations ("CMO") | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	0	0
Equity, Mutual Funds, And Other | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	24,756	25,249
Equity, Mutual Funds, And Other | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	24,756	25,249
Equity, Mutual Funds, And Other | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	0	0
Equity, Mutual Funds, And Other | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	0	0
SBA - Interest Only Strips | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	3,123
SBA - Interest Only Strips | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	0
SBA - Interest Only Strips | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	0
SBA - Interest Only Strips | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Securities available-for-sale	3,123
Fixed Income | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	1,467,102	894,503
Total trading liabilities - fixed income	579,028	561,848
Fixed Income | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Total trading liabilities - fixed income	0	0
Fixed Income | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	1,467,097	894,498
Total trading liabilities - fixed income	579,028	561,848
Fixed Income | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	5	5
Total trading liabilities - fixed income	0	0
Fixed Income | U.S. treasuries | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	157,483	146,988
Total trading liabilities - fixed income	424,461	381,229
Fixed Income | U.S. treasuries | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Total trading liabilities - fixed income	0	0
Fixed Income | U.S. treasuries | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	157,483	146,988
Total trading liabilities - fixed income	424,461	381,229
Fixed Income | U.S. treasuries | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Total trading liabilities - fixed income	0	0
Fixed Income | Government Agency Issued Mortgage-Backed Securities ("MBS") | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	155,260	256,611
Fixed Income | Government Agency Issued Mortgage-Backed Securities ("MBS") | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Fixed Income | Government Agency Issued Mortgage-Backed Securities ("MBS") | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	155,260	256,611
Fixed Income | Government Agency Issued Mortgage-Backed Securities ("MBS") | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Fixed Income | Government Agency Issued Collateralized Mortgage Obligations ("CMO") | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	244,321	150,058
Total trading liabilities - fixed income	1,372
Fixed Income | Government Agency Issued Collateralized Mortgage Obligations ("CMO") | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Total trading liabilities - fixed income	0
Fixed Income | Government Agency Issued Collateralized Mortgage Obligations ("CMO") | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	244,321	150,058
Total trading liabilities - fixed income	1,372
Fixed Income | Government Agency Issued Collateralized Mortgage Obligations ("CMO") | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Total trading liabilities - fixed income	0
Fixed Income | Other U.S. Government Agencies | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	186,573	52,314
Total trading liabilities - fixed income	998	844
Fixed Income | Other U.S. Government Agencies | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Total trading liabilities - fixed income	0	0
Fixed Income | Other U.S. Government Agencies | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	186,573	52,314
Total trading liabilities - fixed income	998	844
Fixed Income | Other U.S. Government Agencies | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Total trading liabilities - fixed income	0	0
Fixed Income | States And Municipalities | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	61,290	60,351
Fixed Income | States And Municipalities | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Fixed Income | States And Municipalities | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	61,290	60,351
Fixed Income | States And Municipalities | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Fixed Income | Corporate And Other Debt | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	655,981	227,939
Total trading liabilities - fixed income	152,197	179,775
Fixed Income | Corporate And Other Debt | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Total trading liabilities - fixed income	0	0
Fixed Income | Corporate And Other Debt | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	655,976	227,934
Total trading liabilities - fixed income	152,197	179,775
Fixed Income | Corporate And Other Debt | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	5	5
Total trading liabilities - fixed income	0	0
Fixed Income | Equity, Mutual Funds, And Other | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	6,194	242
Fixed Income | Equity, Mutual Funds, And Other | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Fixed Income | Equity, Mutual Funds, And Other | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	6,194	242
Fixed Income | Equity, Mutual Funds, And Other | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Mortgage Banking | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	2,300	2,568
Mortgage Banking | Level 1 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Mortgage Banking | Level 2 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	0	0
Mortgage Banking | Level 3 | Recurring
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Trading securities	$ 2,300	$ 2,568

Fair Value Of Assets And Liab90

Fair Value Of Assets And Liabilities (Summary Of Changes In Level 3 Assets And Liabilities Measured At Fair Value) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Trading Securities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 2,464	$ 2,826	$ 2,573	$ 4,377
Net income	92	304	380	506
Purchases, assets	0	0	0	0
Sales, assets			0	0
Settlements, assets	(251)	(346)	(648)	(2,099)
Net transfers into/(out of) Level 3, assets	0	0	0	0
Ending Balance	2,305	2,784	2,305	2,784
Net unrealized gains/(losses) included in net income	62	244	264	324
SBA - Interest Only Strips
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	1,163		0
Net income	(160)		107
Purchases, assets	0		1,413
Sales, assets			(3,291)
Settlements, assets	0		0
Net transfers into/(out of) Level 3, assets	2,120		4,894
Ending Balance	3,123		3,123
Net unrealized gains/(losses) included in net income	(72)		(122)
Loans Held For Sale
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	20,587	25,738	21,924	27,418
Net income	390	1,604	1,722	2,375
Purchases, assets	43	198	118	673
Sales, assets			0	0
Settlements, assets	(939)	(2,146)	(3,340)	(4,643)
Net transfers into/(out of) Level 3, assets	0	(2,858)	(343)	(3,287)
Ending Balance	20,081	22,536	20,081	22,536
Net unrealized gains/(losses) included in net income	390	1,604	1,722	2,375
AFS Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance		1,500		1,500
Net income		0		0
Purchases, assets		0		0
Sales, assets				0
Settlements, assets		(1,500)		(1,500)
Net transfers into/(out of) Level 3, assets		0		0
Ending Balance		0		0
Net unrealized gains/(losses) included in net income		0		0
Mortgage Servicing Rights Net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance		1,406		1,841
Net income		0		31
Purchases, assets		0		0
Sales, assets				(205)
Settlements, assets		(160)		(421)
Net transfers into/(out of) Level 3, assets		0		0
Ending Balance		1,246		1,246
Net unrealized gains/(losses) included in net income		0		0
Net Derivative Liabilities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	(5,700)	(6,835)	(6,245)	(4,810)
Net income	(129)	(4)	(179)	(2,627)
Purchases, liabilities	0	0	0	0
Sales, liabilities			0	0
Settlements, liabilities	299	299	894	897
Net transfers in/(out) level 3, liabilities	0	0	0	0
Ending Balance	(5,530)	(6,540)	(5,530)	(6,540)
Net unrealized gains/(losses) included in other expense	$ (129)	$ (4)	$ (179)	$ (2,627)

Fair Value Of Assets And Liab91

Fair Value Of Assets And Liabilities (Nonrecurring Fair Value Measurements) (Details) - USD ($) $ in Thousands		Sep. 30, 2017		Dec. 31, 2016		Sep. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale		$ 21,808		$ 24,269
Loans, net of unearned income		20,166,091	[1]	19,589,520	[1]	$ 19,555,787
Other real estate owned (“OREO”)	[2]	12,522		16,237
Non Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans, net of unearned income		23,210		31,070
Other real estate owned (“OREO”)		7,877		11,235
Other assets		27,394		29,609
Non Recurring | SBAs and USDA
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale		245,573		4,286
Non Recurring | First Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale		611		638
Non Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans, net of unearned income		0		0
Other real estate owned (“OREO”)		0		0
Other assets		0		0
Non Recurring | Level 1 | SBAs and USDA
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale		0		0
Non Recurring | Level 1 | First Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale		0		0
Non Recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans, net of unearned income		0		0
Other real estate owned (“OREO”)		0		0
Other assets		0		0
Non Recurring | Level 2 | SBAs and USDA
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale		244,089		4,286
Non Recurring | Level 2 | First Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale		0		0
Non Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans, net of unearned income		23,210		31,070
Other real estate owned (“OREO”)		7,877		11,235
Other assets		27,394		29,609
Non Recurring | Level 3 | SBAs and USDA
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale		1,484		0
Non Recurring | Level 3 | First Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale		$ 611		$ 638
[1]	September 30, 2017 and December 31, 2016 include $24.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.
[2]	September 30, 2017 and December 31, 2016 include $7.1 million and $8.1 million, respectively, of foreclosed residential real estate.

Fair Value Of Assets And Liab92

Fair Value Of Assets And Liabilities (Gains/(losses) on Noncurring Fair Value Measurements) (Details) - Non Recurring - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gains/(losses), Loans, net of unearned income	$ (2,388)	$ 461	$ (1,456)	$ (3,249)
Net gains/(losses), Real estate acquired by foreclosure	(41)	(711)	(662)	(1,561)
Net gains/(losses), Other assets	(762)	(788)	(2,646)	(2,325)
Gain (loss) on financial assets measured on non-recurring basis	(3,271)	(1,028)	(6,001)	(7,118)
First Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gains/(losses), Loans held for sale	6	10	22	17
SBAs
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net gains/(losses), Loans held for sale	$ (86)	$ 0	$ (1,259)	$ 0

Fair Value Of Assets And Liab93

Fair Value Of Assets And Liabilities (Schedule Of Unobservable Inputs Utilized In Determining The Fair Value Of Level 3 Recurring And Non-Recurring Measurements) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
		Sep. 30, 2017		Sep. 30, 2017		Dec. 31, 2016		Sep. 30, 2016
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Securities available-for-sale		$ 3,963,138		$ 3,963,138		$ 3,943,499
Loans held-for-sale		21,808		21,808		24,269
Loans, net of unearned income		20,166,091	[1]	20,166,091	[1]	19,589,520	[1]	$ 19,555,787
Other real estate owned (“OREO”)	[2]	12,522		12,522		16,237
Residential Real Estate
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other real estate owned (“OREO”)		7,100		7,100		8,100
Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Securities available-for-sale		3,801,479		3,801,479		3,781,994
Loans held-for-sale		21,808		21,808		24,269
Other Liabilities, Fair Value Disclosure		83,146		83,146		135,897
Other assets		115,927		115,927		155,479
Non Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans, net of unearned income		23,210		23,210		31,070
Other real estate owned (“OREO”)		7,877		7,877		11,235
Other assets		27,394		27,394		29,609
Non Recurring | First Mortgages
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans held-for-sale		611		611		638
Derivatives, Other | Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other Liabilities, Fair Value Disclosure		5,531		5,531		6,252
Other assets		2		2		42
Level 3 | Residential Real Estate
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans held-for-sale		20,692		20,692		22,562
Level 3 | Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Securities available-for-sale		3,123		3,123		0
Loans held-for-sale		20,081		20,081		21,924
Other Liabilities, Fair Value Disclosure		5,530		5,530		6,245
Other assets		0		0		985
Level 3 | Non Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans, net of unearned income		23,210		23,210		31,070
Other real estate owned (“OREO”)		7,877		7,877		11,235
Other assets		27,394		27,394		29,609
Level 3 | Non Recurring | First Mortgages
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans held-for-sale		611		611		638
Level 3 | Derivatives, Other
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other Liabilities, Fair Value Disclosure		5,530		5,530		6,245
Level 3 | Derivatives, Other | Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other Liabilities, Fair Value Disclosure		5,530		5,530		6,245
Other assets		0		0		0
Loans Held For Sale - SBA | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans held-for-sale		1,484		1,484
Other Assets | Level 3 | Non Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Other assets		27,394		$ 27,394		$ 29,609
Discounted Cash Flow | Loans Held-For-Sale | Level 3 | Residential Real Estate
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques				Discounted cash flow		Discounted cash flow
Discounted Cash Flow | Loans Held For Sale - SBA | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques				Discounted cash flow
Discounted Cash Flow | Derivative Liabilities, Other | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques				Discounted cash flow		Discounted cash flow
Discounted Cash Flow | Other Assets | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques				Discounted cash flow		Discounted cash flow
Appraisals From Comparable Properties | Loans, Net Of Unearned Income | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques				Appraisals from comparable properties		Appraisals from comparable properties
Appraisals From Comparable Properties | Real Estate Acquired By Foreclosure | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques				Appraisals from comparable properties		Appraisals from comparable properties
Appraisals From Comparable Properties | Other Assets | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques				Appraisals from comparable properties		Appraisals from comparable properties
Other Collateral Valuations | Loans, Net Of Unearned Income | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques				Other collateral valuations		Other collateral valuations
Minimum | Discounted Cash Flow | Derivative Liabilities, Other | Level 3 | Derivatives, Other
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Visa covered litigation resolution amount		$ 4,400,000				$ 4,400,000
Minimum | Discounted Cash Flow | 9% - 10% Values Utilized | Loans Held For Sale - SBA | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Inputs, Bond Equivalent Yield		9.00%
Minimum | Discounted Cash Flow | 2% - 12% Values Utilized | Loans Held-For-Sale | Level 3 | Residential Real Estate | First Mortgages
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds		2.00%
Minimum | Discounted Cash Flow | 3% - 12% Values Utilized | Loans Held-For-Sale | Level 3 | Residential Real Estate | HELOC
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds		3.00%
Minimum | Discounted Cash Flow | 50% - 70% Values Utilized | Loans Held-For-Sale | Level 3 | Residential Real Estate
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Foreclosure losses		50.00%				50.00%
Minimum | Discounted Cash Flow | 5% - 50% Of UPB | Loans Held-For-Sale | Level 3 | Residential Real Estate | First Mortgages
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loss severity trends		5.00%				5.00%
Minimum | Discounted Cash Flow | 15% - 100% Of UPB | Loans Held-For-Sale | Level 3 | Residential Real Estate | HELOC
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loss severity trends		15.00%				15.00%
Minimum | Discounted Cash Flow | 8% - 12% Values Utilized | Loans Held For Sale - SBA | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds		8.00%
Minimum | Discounted Cash Flow | 10% - 30% Values Utilized | Derivative Liabilities, Other | Level 3 | Derivatives, Other
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Probability of resolution scenarios		10.00%				10.00%
Minimum | Discounted Cash Flow | 18 - 48 Months | Derivative Liabilities, Other | Level 3 | Derivatives, Other
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Time until resolution		18 months
Minimum | Discounted Cash Flow | 0% - 15% Adjustment to Yield | Other Assets | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Adjustments to current sales yields for specific properties		0.00%				0.00%
Minimum | Discounted Cash Flow | 2% - 13% Values Utilized | Loans Held-For-Sale | Level 3 | Residential Real Estate | First Mortgages
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds						2.00%
Minimum | Discounted Cash Flow | Three Percent To Fifteen Percent Values Utilized [Member] | Loans Held-For-Sale | Level 3 | Residential Real Estate | HELOC
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds						3.00%
Minimum | Discounted Cash Flow | 24 - 54 Months | Derivative Liabilities, Other | Level 3 | Derivatives, Other
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Time until resolution						24 months
Minimum | Appraisals From Comparable Properties | 0% - 10% of Appraisal | Loans, Net Of Unearned Income | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Marketability adjustments for specific properties		0.00%				0.00%
Minimum | Appraisals From Comparable Properties | 0% - 10% of Appraisal | Real Estate Acquired By Foreclosure | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Adjustment for value changes since appraisal		0.00%				0.00%
Minimum | Appraisals From Comparable Properties | 0% - 25% Of Appraisal | Other Assets | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Marketability adjustments for specific properties		0.00%				0.00%
Minimum | Other Collateral Valuations | 20% - 50% Of Gross Value | Loans, Net Of Unearned Income | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Borrowing base certificates adjustment		20.00%				20.00%
Minimum | Other Collateral Valuations | 0% - 25% Of Reported Value | Loans, Net Of Unearned Income | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Financial statements/auction values adjustment		0.00%				0.00%
Maximum | Discounted Cash Flow | Derivative Liabilities, Other | Level 3 | Derivatives, Other
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Visa covered litigation resolution amount		$ 5,200,000				$ 5,200,000
Maximum | Discounted Cash Flow | 9% - 10% Values Utilized | Loans Held For Sale - SBA | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Inputs, Bond Equivalent Yield		10.00%
Maximum | Discounted Cash Flow | 2% - 12% Values Utilized | Loans Held-For-Sale | Level 3 | Residential Real Estate | First Mortgages
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds		12.00%
Maximum | Discounted Cash Flow | 3% - 12% Values Utilized | Loans Held-For-Sale | Level 3 | Residential Real Estate | HELOC
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds		12.00%
Maximum | Discounted Cash Flow | 50% - 70% Values Utilized | Loans Held-For-Sale | Level 3 | Residential Real Estate
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Foreclosure losses		70.00%				70.00%
Maximum | Discounted Cash Flow | 5% - 50% Of UPB | Loans Held-For-Sale | Level 3 | Residential Real Estate | First Mortgages
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loss severity trends		50.00%				50.00%
Maximum | Discounted Cash Flow | 15% - 100% Of UPB | Loans Held-For-Sale | Level 3 | Residential Real Estate | HELOC
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loss severity trends		100.00%				100.00%
Maximum | Discounted Cash Flow | 8% - 12% Values Utilized | Loans Held For Sale - SBA | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds		12.00%
Maximum | Discounted Cash Flow | 10% - 30% Values Utilized | Derivative Liabilities, Other | Level 3 | Derivatives, Other
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Probability of resolution scenarios		30.00%				30.00%
Maximum | Discounted Cash Flow | 18 - 48 Months | Derivative Liabilities, Other | Level 3 | Derivatives, Other
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Time until resolution		48 months
Maximum | Discounted Cash Flow | 0% - 15% Adjustment to Yield | Other Assets | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Adjustments to current sales yields for specific properties		15.00%				15.00%
Maximum | Discounted Cash Flow | 2% - 13% Values Utilized | Loans Held-For-Sale | Level 3 | Residential Real Estate | First Mortgages
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds						13.00%
Maximum | Discounted Cash Flow | Three Percent To Fifteen Percent Values Utilized [Member] | Loans Held-For-Sale | Level 3 | Residential Real Estate | HELOC
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds						15.00%
Maximum | Discounted Cash Flow | 24 - 54 Months | Derivative Liabilities, Other | Level 3 | Derivatives, Other
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Time until resolution						54 months
Maximum | Appraisals From Comparable Properties | 0% - 10% of Appraisal | Loans, Net Of Unearned Income | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Marketability adjustments for specific properties		10.00%				10.00%
Maximum | Appraisals From Comparable Properties | 0% - 10% of Appraisal | Real Estate Acquired By Foreclosure | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Adjustment for value changes since appraisal		10.00%				10.00%
Maximum | Appraisals From Comparable Properties | 0% - 25% Of Appraisal | Other Assets | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Marketability adjustments for specific properties		25.00%				25.00%
Maximum | Other Collateral Valuations | 20% - 50% Of Gross Value | Loans, Net Of Unearned Income | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Borrowing base certificates adjustment		50.00%				50.00%
Maximum | Other Collateral Valuations | 0% - 25% Of Reported Value | Loans, Net Of Unearned Income | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Financial statements/auction values adjustment		25.00%				25.00%
SBAs | Non Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans held-for-sale		$ 245,573		$ 245,573		$ 4,286
SBAs | Level 3 | Non Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Loans held-for-sale		1,484		1,484		$ 0
SBA - Interest Only Strips | Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Securities available-for-sale		3,123		3,123
SBA - Interest Only Strips | Level 3 | Recurring
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Securities available-for-sale		$ 3,123		$ 3,123
SBA - Interest Only Strips | Discounted Cash Flow | Available-for-sale Securities | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Valuation Techniques				Discounted cash flow
SBA - Interest Only Strips | Minimum | Discounted Cash Flow | 9% - 10% Values Utilized | Available-for-sale Securities | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds		9.00%
SBA - Interest Only Strips | Minimum | Discounted Cash Flow | 14% - 19% Values Utilized | Available-for-sale Securities | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Inputs, Bond Equivalent Yield		14.00%
SBA - Interest Only Strips | Maximum | Discounted Cash Flow | 9% - 10% Values Utilized | Available-for-sale Securities | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Prepayment Speeds		10.00%
SBA - Interest Only Strips | Maximum | Discounted Cash Flow | 14% - 19% Values Utilized | Available-for-sale Securities | Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Fair Value Inputs, Bond Equivalent Yield		19.00%
[1]	September 30, 2017 and December 31, 2016 include $24.8 million and $28.5 million, respectively, of held-to-maturity consumer mortgage loans secured by residential real estate properties in process of foreclosure.
[2]	September 30, 2017 and December 31, 2016 include $7.1 million and $8.1 million, respectively, of foreclosed residential real estate.

Fair Value Of Assets And Liab94

Fair Value Of Assets And Liabilities (Summary Of Differences Between The Fair Value Carrying Amount Of Mortgages Held-For-Sale And Aggregate Unpaid Principal Amount) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans held-for-sale	$ 21,808	$ 24,269
Fair value carrying amount less aggregate unpaid principal - Total loans	(8,878)	(10,993)
Nonaccrual loans	6,428	6,775
Fair value carrying amount less aggregate unpaid principal - Nonaccrual loans	(5,123)	(6,135)
Loans 90 days or more past due and still accruing	44	211
Fair value carrying amount less aggregate unpaid principal - Loans 90 days or more past due and still accruing	(131)	(120)
Aggregate unpaid principal
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Loans held-for-sale	30,686	35,262
Nonaccrual loans	11,551	12,910
Loans 90 days or more past due and still accruing	$ 175	$ 331

Fair Value Of Assets And Liab95

Fair Value Of Assets And Liabilities (Changes In Fair Value Of Assets And Liabilities Which Fair Value Option Included In Current Period Earnings) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Mortgage Banking Noninterest Income | Loans Held-For-Sale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value included in net income	$ 390	$ 1,604	$ 1,722	$ 2,375

Fair Value Of Assets And Liab96

Fair Value Of Assets And Liabilities (Summary Of Book Value And Estimated Fair Value Of Financial Instruments) (Details) - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Assets:
Total loans, net of unearned income and allowance for loan losses		$ 19,971,224	$ 19,387,452
Short-term financial assets:
Interest-bearing cash		604,326	1,060,034
Federal funds sold		76,316	50,838
Securities purchased under agreements to resell		663,637	613,682
Trading securities		1,469,402	897,071
Loans held-for-sale	[1]	339,780	111,248
Securities available-for-sale		3,963,138	3,943,499
Held-to-maturity Securities		10,000	14,347
Derivative assets		80,976	121,654
Nonearning assets:
Cash and due from banks		347,802	373,274
Fixed income receivables		68,750	57,411
Total assets		29,622,636	28,555,231
Deposits:
Total deposits		22,099,254	22,672,363
Trading Liabilities		579,028	561,848
Short-term financial liabilities:
Federal Funds Purchased		292,650	414,207
Securities sold under agreements to repurchase		516,867	453,053
Other short-term borrowings		1,637,419	83,177
Term borrowings:
Total term borrowings		1,059,507	1,040,656
Derivative liabilities		83,146	135,897
Other noninterest-bearing liabilities:
Fixed income payables		44,304	21,002
Total liabilities		26,739,085	25,850,147
Fair Value, Inputs, Level 3 | FHLB-Cincinnati Stock
Other noninterest-bearing liabilities:
Restricted investments		87,900	87,900
Fair Value, Inputs, Level 3 | FRB Stock [Member]
Other noninterest-bearing liabilities:
Restricted investments		68,600	68,600
Reported Value Measurement
Assets:
Total loans, net of unearned income and allowance for loan losses		19,971,224	19,387,452
Short-term financial assets:
Interest-bearing cash		604,326	1,060,034
Federal funds sold		76,316	50,838
Securities purchased under agreements to resell		663,637	613,682
Total short-term financial assets		1,344,279	1,724,554
Trading securities		1,469,402	897,071
Loans held-for-sale		339,780	111,248
Securities available-for-sale		3,963,138	3,943,499
Held-to-maturity Securities		10,000	14,347
Derivative assets		80,976	121,654
Other assets:
Tax credit investments		120,701	100,105
Deferred compensation assets		34,951	32,840
Total other assets		155,652	132,945
Nonearning assets:
Cash and due from banks		347,802	373,274
Fixed income receivables		68,750	57,411
Accrued interest receivable		70,058	62,887
Total nonearning assets		486,610	493,572
Total assets		27,821,061	26,826,342
Deposits:
Defined maturity		1,112,098	1,355,133
Undefined maturity		20,987,156	21,317,230
Total deposits		22,099,254	22,672,363
Trading Liabilities		579,028	561,848
Short-term financial liabilities:
Federal Funds Purchased		292,650	414,207
Securities sold under agreements to repurchase		516,867	453,053
Other short-term borrowings		1,637,419	83,177
Total short-term financial liabilities		2,446,936	950,437
Term borrowings:
Real estate investment trust-preferred		46,083	46,032
Term borrowings - new market tax credit investment		18,000	18,000
Borrowings secured by residential real estate		42,585	23,126
Other long term borrowings		952,839	953,498
Total term borrowings		1,059,507	1,040,656
Derivative liabilities		83,146	135,897
Other noninterest-bearing liabilities:
Fixed income payables		44,304	21,002
Accrued interest payable		19,205	10,336
Total other noninterest-bearing liabilities		63,509	31,338
Total liabilities		26,331,380	25,392,539
Reported Value Measurement | Commercial Financial And Industrial Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		12,693,639	12,058,689
Reported Value Measurement | Commercial Real Estate Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		2,221,332	2,101,671
Reported Value Measurement | Consumer Real Estate Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		4,328,778	4,473,395
Reported Value Measurement | Permanent Mortgage Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		387,363	406,836
Reported Value Measurement | Credit Card And Other Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		340,112	346,861
Estimate of Fair Value Measurement
Assets:
Total loans, net of unearned income and allowance for loan losses		19,851,724	19,134,856
Short-term financial assets:
Interest-bearing cash		604,326	1,060,034
Federal funds sold		76,316	50,838
Securities purchased under agreements to resell		663,637	613,682
Total short-term financial assets		1,344,279	1,724,554
Trading securities		1,469,402	897,071
Loans held-for-sale		340,441	111,248
Securities available-for-sale		3,963,138	3,943,499
Held-to-maturity Securities		9,985	14,773
Derivative assets		80,976	121,654
Other assets:
Tax credit investments		121,435	98,400
Deferred compensation assets		34,951	32,840
Total other assets		156,386	131,240
Nonearning assets:
Cash and due from banks		347,802	373,274
Fixed income receivables		68,750	57,411
Accrued interest receivable		70,058	62,887
Total nonearning assets		486,610	493,572
Total assets		27,702,941	26,572,467
Deposits:
Defined maturity		1,108,919	1,361,104
Undefined maturity		20,987,156	21,317,230
Total deposits		22,096,075	22,678,334
Trading Liabilities		579,028	561,848
Short-term financial liabilities:
Federal Funds Purchased		292,650	414,207
Securities sold under agreements to repurchase		516,867	453,053
Other short-term borrowings		1,637,419	83,177
Total short-term financial liabilities		2,446,936	950,437
Term borrowings:
Real estate investment trust-preferred		49,350	49,350
Term borrowings - new market tax credit investment		17,959	17,918
Borrowings secured by residential real estate		42,184	21,969
Other long term borrowings		968,297	965,066
Total term borrowings		1,077,790	1,054,303
Derivative liabilities		83,146	135,897
Other noninterest-bearing liabilities:
Fixed income payables		44,304	21,002
Accrued interest payable		19,205	10,336
Total other noninterest-bearing liabilities		63,509	31,338
Total liabilities		26,346,484	25,412,157
Loan commitments		2,388	2,924
Standby and other commitments		4,139	4,037
Estimate of Fair Value Measurement | Commercial Financial And Industrial Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		12,658,237	11,918,374
Estimate of Fair Value Measurement | Commercial Real Estate Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		2,208,208	2,078,306
Estimate of Fair Value Measurement | Consumer Real Estate Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		4,252,704	4,385,669
Estimate of Fair Value Measurement | Permanent Mortgage Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		392,407	404,930
Estimate of Fair Value Measurement | Credit Card And Other Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		340,168	347,577
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 1
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Short-term financial assets:
Interest-bearing cash		604,326	1,060,034
Federal funds sold		0	0
Securities purchased under agreements to resell		0	0
Total short-term financial assets		604,326	1,060,034
Trading securities		0	0
Loans held-for-sale		0	0
Securities available-for-sale		24,756	25,249
Held-to-maturity Securities		0	0
Derivative assets		10,003	33,587
Other assets:
Tax credit investments		0	0
Deferred compensation assets		34,951	32,840
Total other assets		34,951	32,840
Nonearning assets:
Cash and due from banks		347,802	373,274
Fixed income receivables		0	0
Accrued interest receivable		0	0
Total nonearning assets		347,802	373,274
Total assets		1,021,838	1,524,984
Deposits:
Defined maturity		0	0
Undefined maturity		0	0
Total deposits		0	0
Trading Liabilities		0	0
Short-term financial liabilities:
Federal Funds Purchased		0	0
Securities sold under agreements to repurchase		0	0
Other short-term borrowings		0	0
Total short-term financial liabilities		0	0
Term borrowings:
Real estate investment trust-preferred		0	0
Term borrowings - new market tax credit investment		0	0
Borrowings secured by residential real estate		0	0
Other long term borrowings		0	0
Total term borrowings		0	0
Derivative liabilities		7,627	33,274
Other noninterest-bearing liabilities:
Fixed income payables		0	0
Accrued interest payable		0	0
Total other noninterest-bearing liabilities		0	0
Total liabilities		7,627	33,274
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 1 | Commercial Financial And Industrial Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 1 | Commercial Real Estate Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 1 | Consumer Real Estate Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 1 | Permanent Mortgage Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 1 | Credit Card And Other Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 2
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Short-term financial assets:
Interest-bearing cash		0	0
Federal funds sold		76,316	50,838
Securities purchased under agreements to resell		663,637	613,682
Total short-term financial assets		739,953	664,520
Trading securities		1,467,097	894,498
Loans held-for-sale		246,441	6,631
Securities available-for-sale		3,773,600	3,756,745
Held-to-maturity Securities		0	0
Derivative assets		70,973	88,067
Other assets:
Tax credit investments		0	0
Deferred compensation assets		0	0
Total other assets		0	0
Nonearning assets:
Cash and due from banks		0	0
Fixed income receivables		68,750	57,411
Accrued interest receivable		70,058	62,887
Total nonearning assets		138,808	120,298
Total assets		6,436,872	5,530,759
Deposits:
Defined maturity		1,108,919	1,361,104
Undefined maturity		20,987,156	21,317,230
Total deposits		22,096,075	22,678,334
Trading Liabilities		579,028	561,848
Short-term financial liabilities:
Federal Funds Purchased		292,650	414,207
Securities sold under agreements to repurchase		516,867	453,053
Other short-term borrowings		1,637,419	83,177
Total short-term financial liabilities		2,446,936	950,437
Term borrowings:
Real estate investment trust-preferred		0	0
Term borrowings - new market tax credit investment		0	0
Borrowings secured by residential real estate		0	0
Other long term borrowings		968,297	965,066
Total term borrowings		968,297	965,066
Derivative liabilities		69,989	96,378
Other noninterest-bearing liabilities:
Fixed income payables		44,304	21,002
Accrued interest payable		19,205	10,336
Total other noninterest-bearing liabilities		63,509	31,338
Total liabilities		26,223,834	25,283,401
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 2 | Commercial Financial And Industrial Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 2 | Commercial Real Estate Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 2 | Consumer Real Estate Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 2 | Permanent Mortgage Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 2 | Credit Card And Other Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		0	0
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 3
Assets:
Total loans, net of unearned income and allowance for loan losses		19,851,724	19,134,856
Short-term financial assets:
Interest-bearing cash		0	0
Federal funds sold		0	0
Securities purchased under agreements to resell		0	0
Total short-term financial assets		0	0
Trading securities		2,305	2,573
Loans held-for-sale		94,000	104,617
Securities available-for-sale		164,782	161,505
Held-to-maturity Securities		9,985	14,773
Derivative assets		0	0
Other assets:
Tax credit investments		121,435	98,400
Deferred compensation assets		0	0
Total other assets		121,435	98,400
Nonearning assets:
Cash and due from banks		0	0
Fixed income receivables		0	0
Accrued interest receivable		0	0
Total nonearning assets		0	0
Total assets		20,244,231	19,516,724
Deposits:
Defined maturity		0	0
Undefined maturity		0	0
Total deposits		0	0
Trading Liabilities		0	0
Short-term financial liabilities:
Federal Funds Purchased		0	0
Securities sold under agreements to repurchase		0	0
Other short-term borrowings		0	0
Total short-term financial liabilities		0	0
Term borrowings:
Real estate investment trust-preferred		49,350	49,350
Term borrowings - new market tax credit investment		17,959	17,918
Borrowings secured by residential real estate		42,184	21,969
Other long term borrowings		0	0
Total term borrowings		109,493	89,237
Derivative liabilities		5,530	6,245
Other noninterest-bearing liabilities:
Fixed income payables		0	0
Accrued interest payable		0	0
Total other noninterest-bearing liabilities		0	0
Total liabilities		115,023	95,482
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 3 | Commercial Financial And Industrial Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		12,658,237	11,918,374
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 3 | Commercial Real Estate Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		2,208,208	2,078,306
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 3 | Consumer Real Estate Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		4,252,704	4,385,669
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 3 | Permanent Mortgage Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		392,407	404,930
Estimate of Fair Value Measurement | Fair Value, Inputs, Level 3 | Credit Card And Other Portfolio Segment
Assets:
Total loans, net of unearned income and allowance for loan losses		340,168	347,577
Contractual Amount
Other noninterest-bearing liabilities:
Loan commitments		8,868,115	8,744,649
Standby and other commitments		$ 336,953	$ 277,549
[1]	September 30, 2017 and December 31, 2016 include $12.8 million and $19.3 million, respectively, of held-for-sale consumer mortgage loans secured by residential real estate in process of foreclosure.