Pinnacle Financial Partners (PNFP) 10-K 28 Feb 22 2021 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2021	Feb. 22, 2022	Jun. 30, 2021
Auditor [Line Items]
Auditor Firm ID	173
Auditor Name	Crowe LLP
Auditor Location	Denver, Colorado
Cover [Abstract]
Document Type	10-K
Document Period End Date	Dec. 31, 2021
Entity File Number	000-31225
Entity Registrant Name	Pinnacle Financial Partners Inc.
Entity Tax Identification Number	62-1812853
Entity Central Index Key	0001115055
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 6,545,963,100
Entity Common Stock, Shares Outstanding		76,291,153
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Amendment Flag	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Incorporation, State or Country Code	TN
Entity Address, Address Line One	150 Third Avenue South, Suite 900,
Entity Address, City or Town	Nashville,
Entity Address, State or Province	TN
Entity Address, Postal Zip Code	37201
City Area Code	(615)
Local Phone Number	744-3700
Entity Interactive Data Current	Yes
Document Annual Report	true
Document Transition Report	false
Common Class A
Cover [Abstract]
Title of 12(b) Security	Common Stock, par value $1.00
Trading Symbol	PNFP
Security Exchange Name	NASDAQ
Document Information [Line Items]
Title of 12(b) Security	Common Stock, par value $1.00
Trading Symbol	PNFP
Security Exchange Name	NASDAQ
Noncumulative Preferred Stock
Cover [Abstract]
Title of 12(b) Security	Depositary Shares (each representing 1/40th interest in a share of 6.75% Fixed-Rate Non-Cumulative Perpetual Preferred Stock, Series B)
Trading Symbol	PNFPP
Security Exchange Name	NASDAQ
Document Information [Line Items]
Title of 12(b) Security	Depositary Shares (each representing 1/40th interest in a share of 6.75% Fixed-Rate Non-Cumulative Perpetual Preferred Stock, Series B)
Trading Symbol	PNFPP
Security Exchange Name	NASDAQ

CONSOLIDATED BALANCE SHEETS

CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Cash and noninterest-bearing due from banks	$ 188,287	$ 203,296
Restricted cash	82,505	223,788
Interest-bearing due from banks	3,830,747	3,522,224
Federal funds sold and other	0	12,141
Cash and cash equivalents	4,101,539	3,961,449
Securities Purchased under Agreements to Resell	1,000,000	0
Securities available-for-sale, at fair value	4,914,194	3,586,681
Securities held-to-maturity (fair value of $1.2 billion and $1.1 billion, net of allowance for credit losses of $161,000 and $191,000 at Dec. 31, 2021, and at Dec. 31, 2020, respectively)	1,155,958	1,028,359
Consumer loans held-for-sale	45,806	87,821
Commercial loans held-for-sale	17,685	31,200
Loans	23,414,262	22,424,501
Less allowance for credit losses	(263,233)	(285,050)
Loans, net	23,151,029	22,139,451
Premises and equipment, net	288,182	290,001
Equity method investment	360,833	308,556
Accrued interest receivable	98,813	104,078
Goodwill	1,819,811	1,819,811
Core deposits and other intangible assets	33,819	42,336
Other real estate owned	8,537	12,360
Other assets	1,473,193	1,520,757
Total assets	38,469,399	34,932,860
Deposits:
Non-interest-bearing	10,461,071	7,392,325
Interest-bearing	6,530,015	5,689,095
Savings and money market accounts	12,179,663	11,099,523
Time	2,133,784	3,524,632
Total deposits	31,304,533	27,705,575
Securities sold under agreements to repurchase	152,559	128,164
Federal Home Loan Bank advances	888,681	1,087,927
Subordinated debt and other borrowings	423,172	670,575
Accrued interest payable	12,504	24,934
Other liabilities	377,343	411,074
Total liabilities	33,158,792	30,028,249
Stockholders' equity:
Preferred stock, no par value; 10.0 million shares authorized; 225,000 shares non-cumulative perpetual preferred stock, Series B, liquidation preference $225.0 million, issued and outstanding at Dec. 31, 2021 and 2020, respectively	217,126	217,126
Common stock, par value $1.00; 180.0 million shares authorized; 76.1 million and 75.9 million shares issued and outstanding at Dec. 31, 2021 and 2020, respectively	76,143	75,850
Additional paid-in capital	3,045,802	3,028,063
Retained earnings	1,864,350	1,407,723
Accumulated other comprehensive income, net of taxes	107,186	175,849
Total stockholders' equity	5,310,607	4,904,611
Total liabilities and stockholders' equity	$ 38,469,399	$ 34,932,860

CONSOLIDATED BALANCE SHEETS (Pa

CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Securities held-to-maturity, fair value	$ 1,188,049	$ 1,066,531
Allowance for credit losses - securities held-to-maturity	$ (161)	$ (191)
Stockholders' equity:
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	225,000	225,000
Preferred stock, shares outstanding (in shares)	225,000	225,000
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	180,000,000	180,000,000
Common stock, shares issued (in shares)	76,143,000	75,850,000
Common stock, shares outstanding (in shares)	76,143,000	75,850,000

CONSOLIDATED STATEMENTS OF INCO

CONSOLIDATED STATEMENTS OF INCOME - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interest income:
Loans, including fees	$ 924,043,000	$ 919,744,000	$ 955,388,000
Securities:
Taxable	34,769,000	35,663,000	46,649,000
Tax-exempt	64,848,000	58,867,000	51,138,000
Federal funds sold and other	7,554,000	6,768,000	14,761,000
Total interest income	1,031,214,000	1,021,042,000	1,067,936,000
Interest expense:
Deposits	54,116,000	135,547,000	231,641,000
Securities sold under agreements to repurchase	239,000	350,000	570,000
Federal Home Loan Bank advances and other borrowings	44,458,000	63,357,000	69,583,000
Total interest expense	98,813,000	199,254,000	301,794,000
Net interest income	932,401,000	821,788,000	766,142,000
Provision for credit losses	16,126,000	203,815,000	27,283,000
Net interest income after provision for credit losses	916,275,000	617,973,000	738,859,000
Noninterest income:
Total noninterest income	395,734,000	317,840,000	263,826,000
Noninterest expense:
Salaries and employee benefits	436,006,000	334,483,000	313,359,000
Equipment and occupancy	95,250,000	88,475,000	84,582,000
Other real estate (benefit) expense, net	(712,000)	8,555,000	4,228,000
Marketing and other business development	12,888,000	10,693,000	13,251,000
Postage and supplies	8,195,000	7,819,000	8,144,000
Amortization of intangibles	8,518,000	9,793,000	9,908,000
Other noninterest expense	99,959,000	104,637,000	71,676,000
Total noninterest expense	660,104,000	564,455,000	505,148,000
Income (Loss) from Continuing Operations before Income Taxes, Domestic	651,905,000	371,358,000	497,537,000
Income tax expense	124,582,000	59,037,000	96,656,000
Net income	527,323,000	312,321,000	400,881,000
Preferred stock dividends	15,192,000	7,596,000	0
Net income available to common shareholders	$ 512,131,000	$ 304,725,000	$ 400,881,000
Per share information:
Basic net income per common share	$ 6.79	$ 4.04	$ 5.25
Diluted net income per common share	$ 6.75	$ 4.03	$ 5.22
Weighted average common shares outstanding:
Basic	75,468,339	75,376,489	76,364,303
Diluted	75,927,147	75,654,385	76,763,903
Service charges on deposit accounts
Noninterest income:
Total noninterest income	$ 41,311,000	$ 34,282,000	$ 36,769,000
Investment services
Noninterest income:
Total noninterest income	37,917,000	29,537,000	24,187,000
Insurance sales commissions
Noninterest income:
Total noninterest income	10,516,000	10,055,000	9,344,000
Gains on mortgage loans sold, net
Noninterest income:
Total noninterest income	32,424,000	60,042,000	24,335,000
Investment gains (losses) on sales, net
Noninterest income:
Total noninterest income	759,000	986,000	(5,941,000)
Trust fees
Noninterest income:
Total noninterest income	20,724,000	16,496,000	14,184,000
Income from equity method investment
Noninterest income:
Total noninterest income	122,274,000	83,539,000	90,111,000
Other noninterest income
Noninterest income:
Total noninterest income	$ 129,809,000	$ 82,903,000	$ 70,837,000

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income:	$ 527,323	$ 312,321	$ 400,881
Other comprehensive income (loss), net of tax:
Changes in fair value on available-for-sale securities, net of tax	(32,509)	92,829	81,658
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax	(18,373)	52,798	(5,179)
Amortization (accretion) of net unrealized losses (gains) on securities transferred from available-for-sale to held-to-maturity, net of tax	(7,575)	(5,126)	184
Loss (gain) on cash flow hedges reclassified from other comprehensive income into net income, net of tax	(9,645)	5,542	1,588
Net loss (gain) on sale of investment securities reclassified from other comprehensive income into net income, net of tax	(561)	(728)	4,388
Total other comprehensive income (loss), net of tax	(68,663)	145,315	82,639
Total comprehensive income	$ 458,660	$ 457,636	$ 483,520

CONSOLIDATED STATEMENTS OF STOC

CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	AOCI Attributable to Parent	Accounting Standards Update 2016-13	Accounting Standards Update 2016-13Retained Earnings
Balance (in shares) at Dec. 31, 2018			77,484,000
Balance at Dec. 31, 2018	$ 3,965,940		$ 77,484	$ 3,107,431	$ 833,130	$ (52,105)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of employee common stock options, stock appreciation rights, and related tax benefits (in shares)	59,317		59,000
Exercise of employee common stock options, stock appreciation rights, and related tax benefits	$ 1,269		$ 59	1,210
Repurchase of common stock (in shares)			(1,102,000)
Repurchase of common stock	(61,416)		$ (1,102)	(60,314)
Common dividends paid					(49,828)
Common dividends paid	(49,828)
Issuance of restricted common shares, net of forfeitures (in shares)			211,000
Issuance of restricted common shares, net of forfeitures	0		$ 211	(211)
Restricted shares withheld for taxes (in shares)			(88,000)
Restricted shares withheld for taxes	(4,963)		$ (88)	(4,875)
Stock-based compensation expense	21,226			21,226
Net income	400,881				400,881
Other Comprehensive Income (Loss)	82,639					82,639
Balance (in shares) at Dec. 31, 2019			76,564,000
Balance at Dec. 31, 2019	4,355,748		$ 76,564	3,064,467	1,184,183	30,534
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of preferred stock, net of issuance costs	$ 217,126	$ 217,126
Exercise of employee common stock options, stock appreciation rights, and related tax benefits (in shares)	17,505		18,000
Exercise of employee common stock options, stock appreciation rights, and related tax benefits	$ 410		$ 18	392
Repurchase of common stock (in shares)			(1,015,000)
Repurchase of common stock	(50,790)		$ (1,015)	(49,775)
Dividends, Preferred Stock, Cash					(7,596)
Preferred dividends paid	(7,596)
Common dividends paid					(49,389)
Common dividends paid	$ (49,389)
Issuance of restricted common shares, net of forfeitures (in shares)	255,000
Issuance of restricted common shares, net of forfeitures	$ 0		$ 255	(255)
Issuance of common stock pursuant to restricted stock unit agreement, net of shares withheld for taxes and related tax benefits			86,000
Restricted shares withheld for taxes	(2,488)		$ 86	(2,574)
Restricted shares withheld for taxes (in shares)			(58,000)
Restricted shares withheld for taxes	(2,987)		$ (58)	(2,929)
Stock-based compensation expense	18,737			18,737
Net income	312,321				312,321
Cumulative effect of change in accounting principle							$ (31,796)	$ (31,796)
Other Comprehensive Income (Loss)	145,315					145,315
Balance (in shares) at Dec. 31, 2020			75,850,000
Balance at Dec. 31, 2020	$ 4,904,611	217,126	$ 75,850	3,028,063	1,407,723	175,849
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of employee common stock options, stock appreciation rights, and related tax benefits (in shares)	45,125		45,000
Exercise of employee common stock options, stock appreciation rights, and related tax benefits	$ 1,001		$ 45	956
Dividends, Preferred Stock, Cash					(15,192)
Preferred dividends paid	(15,192)
Common dividends paid					(55,504)
Common dividends paid	(55,504)
Issuance of restricted common shares, net of forfeitures (in shares)			213,000
Issuance of restricted common shares, net of forfeitures	0		$ 213	(213)
Issuance of common stock pursuant to restricted stock unit agreement, net of shares withheld for taxes and related tax benefits			88,000
Restricted shares withheld for taxes	(3,790)		$ 88	(3,878)
Restricted shares withheld for taxes (in shares)			(53,000)
Restricted shares withheld for taxes	(4,131)		$ (53)	(4,078)
Stock-based compensation expense	24,952			24,952
Net income	527,323				527,323
Other Comprehensive Income (Loss)	(68,663)					(68,663)
Balance (in shares) at Dec. 31, 2021			76,143,000
Balance at Dec. 31, 2021	$ 5,310,607	$ 217,126	$ 76,143	$ 3,045,802	$ 1,864,350	$ 107,186

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net income	$ 527,323	$ 312,321	$ 400,881
Net amortization/accretion of premium/discount on securities	59,066	38,051	20,294
Depreciation, amortization and accretion	53,256	45,203	8,342
Provision for credit losses	16,126	203,815	27,283
Gains on mortgage loans sold, net	(32,424)	(60,042)	(24,335)
Investment losses (gains) on sales, net	(759)	(986)	5,941
Gain on other equity investments, net	(23,109)	(1,071)	(2,789)
Stock-based compensation expense	24,952	18,737	21,226
Deferred tax expense (benefit)	(12,232)	(58,315)	14,696
Losses (gains) on disposition of other real estate and other investments	(1,168)	7,604	2,927
Income from equity method investment	122,274	83,539	90,111
Dividends received from equity method investment	69,996	53,020	51,312
Excess tax benefit from stock compensation	2,475	417	1,011
Gains on commercial loans sold, net	4,143	2,620	3,624
Decrease (increase) in other assets	(73,527)	157,294	57,499
Increase (decrease) in other liabilities	(60,315)	69,241	79,264
Net cash provided by operating activities	657,444	426,754	431,499
Payments to Acquire Debt Securities, Available-for-sale	2,107,794	1,412,210	1,455,073
Proceeds from Sale of Debt Securities, Available-for-sale	37,457	145,631	737,717
Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale	617,054	469,337	372,300
Payments to Acquire Held-to-maturity Securities	186,260	0	3,822
Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities	40,442	20,473	8,300
Increase in securities purchased under agreements to resell	(1,000,000)	0	0
Increase in loans, net	1,027,185	2,661,316	1,927,811
Purchases of premises and equipment and software	23,178	38,761	42,153
Purchase of bank owned life insurance	0	75,000	110,000
Proceeds from bank owned life insurance settlement	1,656	6,486	321
Proceeds from sales of software, premises, and equipment	281	0	66
Acquisitions, net of cash acquired	0	0	44,594
Proceeds from sale of other real estate	6,090	13,272	8,446
Proceeds from (payments for) derivative instruments	99,710	35,680	(106,832)
Proceeds from sale of Federal Home Loan Bank stock	12,602	0	0
Purchase of trade name	0	1,000	0
Increase in other investments	83,830	70,183	53,137
Net cash used in investing activities	(3,612,955)	(3,567,591)	(2,616,272)
Net increase in deposits	3,599,084	7,524,867	1,332,491
Net increase in securities sold under agreements to repurchase	24,395	1,810	21,613
Federal Home Loan Bank: Advances	0	762,473	2,672,500
Federal Home Loan Bank: Repayments/maturities	200,001	1,737,521	2,053,555
Proceeds from subordinated debt and other borrowings, net of issuance costs	0	56,568	316,078
Repayments of Notes Payable	(250,000)	(136,661)	(184,175)
Principal payments of finance lease obligation	261	243	226
Issuance of preferred stock, net of issuance costs	0	217,126	0
Issuance of common stock pursuant to restricted stock unit agreement, net of shares withheld for taxes	(3,790)	(2,488)	0
Proceeds From Stock Options Exercised, Net of Repurchase of Restricted Shares	3,130	2,577	3,694
Repurchase of common stock	0	50,790	61,416
Common dividends paid	55,504	49,389	49,828
Preferred stock dividends paid	15,192	7,596	0
Net cash provided by financing activities	3,095,601	6,575,579	1,989,788
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	140,090	3,434,742	(194,985)
Cash, cash equivalents and restricted cash, beginning of year	3,961,449	526,707	721,692
Cash, cash equivalents and restricted cash, end of year	4,101,539	3,961,449	526,707
Commercial Loan [Member]
Payments for Origination and Purchases of Loans Held-for-sale	564,647	407,578	402,623
Proceeds from Sale of Loans Held-for-sale	582,305	396,584	404,615
Consumer Loan [Member]
Payments for Origination and Purchases of Loans Held-for-sale	2,037,897	2,122,796	1,396,968
Proceeds from Sale of Loans Held-for-sale	$ 2,112,336	$ 2,176,836	$ 1,373,678

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Note 1. Summary of Significant Accounting Policies Nature of Business — Pinnacle Financial Partners, Inc. (Pinnacle Financial) is a financial holding company whose primary business is conducted by its wholly-owned subsidiary, Pinnacle Bank (Pinnacle Bank). Pinnacle Bank is a Tennessee state-chartered commercial bank headquartered in Nashville, Tennessee. Pinnacle Financial completed its acquisitions of CapitalMark Bank & Trust (CapitalMark), Magna Bank (Magna), Avenue Financial Holdings, Inc. (Avenue), BNC Bancorp (BNC) and Advocate Capital, Inc. (Advocate Capital) on July 31, 2015, September 1, 2015, July 1, 2016, June 16, 2017 and July 2, 2019, respectively. Pinnacle Financial and Pinnacle Bank also collectively hold a 49% interest in Bankers Healthcare Group, LLC (BHG), a company that primarily serves as a full-service commercial loan provider to healthcare and other professional practices. Pinnacle Bank provides a full range of banking services, including investment, mortgage, and insurance services, and comprehensive wealth management services, in its 15 primarily urban markets across the Southeast. Basis of Presentation — These consolidated financial statements include the accounts of Pinnacle Financial and its direct and indirect wholly-owned subsidiaries. Certain statutory trust affiliates of Pinnacle Financial, as noted in Note 9. Other Borrowings are included in these consolidated financial statements pursuant to the equity method of accounting. Significant intercompany transactions and accounts are eliminated in consolidation. Use of Estimates — The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the balance sheet dates and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term include the determination of the allowance for credit losses and the determination of any impairment of goodwill or intangible assets. Impairment — Long-lived assets, including purchased intangible assets subject to amortization, such as core deposit intangible assets, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized by the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of would be separately presented in the balance sheet and reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. Pinnacle Financial had $33.8 million and $42.3 million of long-lived intangibles at December 31, 2021 and 2020, respectively. Goodwill is evaluated for impairment at least annually and more frequently if events and circumstances indicate that the asset might be impaired. Accounting Standards Codification (ASC) 350, Intangibles - Goodwill and Other, provides an entity the option to first perform a qualitative assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If an entity performs a qualitative assessment and determines it is necessary, or if a qualitative assessment is not performed, the entity is required to perform a one-step test to identify potential goodwill impairment and measure the amount of goodwill impairment loss to be recognized for that reporting unit (if any). If, based on a qualitative assessment, an entity determines that the fair value of a reporting unit is more than its carrying amount, the one-step goodwill impairment test is not required. Pinnacle Financial performed a qualitative assessment as of September 30, 2021 by examining changes in macroeconomic conditions, industry and market conditions, overall financial performance, cost factors and other relevant entity-specific events, including changes in the share price of Pinnacle Financial's common stock. The results of the qualitative assessment indicated that it was more likely than not that the estimated fair value of Pinnacle Financial's sole reporting unit exceeded its carrying value amount at September 30, 2021 and, therefore, no goodwill impairment was recorded. Should Pinnacle Financial's common stock price decline below book value per share and remain below book value per share for an extended duration or other impairment indicators become known, additional impairment testing of goodwill may be required. Should it be determined in a future period that the goodwill has become impaired, then a charge to earnings will be recorded in the period such determination is made. The following table presents activity for goodwill and other intangible assets (in thousands): Goodwill Core deposit and Total Balance at December 31, 2020 $ 1,819,811 $ 42,336 $ 1,862,147 Amortization — (8,518) (8,518) Balance at December 31, 2021 $ 1,819,811 $ 33,819 $ 1,853,630 The following table presents the gross carrying amount and accumulated amortization for the core deposit and other intangible assets (in thousands): December 31, 2021 December 31, 2020 Gross carrying amount $ 108,665 $ 108,665 Accumulated amortization (74,846) (66,329) Net book value $ 33,819 $ 42,336 Cash Equivalents and Cash Flows — Cash on hand, cash items in process of collection, amounts due from banks, Federal funds sold, short-term discount notes and securities purchased under agreements to resell, with original maturities within ninety days, are included in cash and cash equivalents. The following supplemental cash flow information addresses certain cash payments and noncash transactions for each of the years in the three-year period ended December 31, 2021 as follows (in thousands): For the years ended December 31, 2021 2020 2019 Cash Payments: Interest $ 110,119 $ 215,888 $ 287,272 Income taxes paid 108,304 110,798 86,960 Noncash Transactions: Loans charged-off to the allowance for credit losses 54,996 49,333 28,467 Loans foreclosed upon with repossessions transferred to other real estate 1,098 3,436 17,937 Loans foreclosed upon with repossessions transferred to other repossessed assets — 25 93 Other real estate sales financed — — 871 Fixed assets transferred to other real estate — — 8,182 Available-for-sale securities transferred to held-to-maturity portfolio — 873,613 — Right-of-use assets recognized in the period in exchange for lease obligations (1) 17,642 15,820 90,927 (1) Includes $79.9 million recognized upon initial adoption of ASU 2016-02 on January 1, 2019. Securities — Securities are classified based on management's intention on the date of purchase. All debt securities classified as available-for-sale are recorded at fair value with any unrealized gains and losses reported in accumulated other comprehensive income (loss), net of the deferred income tax effects. Securities that Pinnacle Financial has both the positive intent and ability to hold to maturity are classified as held-to-maturity and are carried at historical cost and adjusted for amortization of premiums and accretion of discounts. Interest and dividends on securities, including amortization of premiums and accretion of discounts calculated under the effective interest method, are included in interest income. For certain securities, amortization of premiums and accretion of discounts is computed based on the anticipated life of the security which may be shorter than the stated life of the security. Realized gains and losses from the sale of securities are determined using the specific identification method and are recorded on the trade date of the sale. Periodically, available-for-sale securities may be sold or the composition of the portfolio realigned to improve yields, quality or marketability, or to implement changes in investment or asset/liability strategy, including maintaining collateral requirements and raising funds for liquidity purposes. Additionally, if an available-for-sale security loses its investment grade, tax-exempt status, the underlying credit support is terminated or collection otherwise becomes uncertain based on factors known to management, Pinnacle Financial will consider selling the security, but will review each security on a case-by-case basis as these factors become known. Allowance for Credit Losses - Securities Held-to-Maturity - Expected credit losses on debt securities classified as held-to-maturity are measured on a collective basis by major security type. Pinnacle has a zero loss expectation for certain securities within the portfolio, including U.S government agency securities and residential mortgage-backed securities issued by Ginnie Mae, Fannie Mae, and Freddie Mac, and accordingly, no allowance for credit losses is estimated for these securities. The remainder of the portfolio consists of municipal securities rated A or higher by the ratings agencies. The estimates of expected credit losses for the municipal securities are based on historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts. The credit models utilized rely on regression analyses to predict probability of default (PD) based on projected macroeconomic factors, including unemployment rates and gross domestic product (GDP), among others. A reasonable and supportable period of eighteen months and reversion period of twelve months is utilized to estimate credit losses on held-to-maturity municipal securities. The allowance is increased through provision for credit losses and decreased by charge-offs, net of recoveries of amounts previously charged-off. Allowance for Credit Losses - Securities Available-for-Sale - For any securities classified as available-for-sale that are in an unrealized loss position at the balance sheet date, Pinnacle Financial assesses whether or not it intends to sell the security, or more likely than not will be required to sell the security, before recovery of its amortized cost basis. If either criteria is met, the security's amortized cost basis is written down to fair value through net income. If neither criteria is met, Pinnacle Financial evaluates whether any portion of the decline in fair value is the result of credit deterioration. Such evaluations consider the extent to which the amortized cost of the security exceeds its fair value, changes in credit ratings and any other known adverse conditions related to the specific security. If the evaluation indicates that a credit loss exists, an allowance for credit losses is recorded through provisions for credit losses for the amount by which the amortized cost basis of the security exceeds the present value of cash flows expected to be collected, limited by the amount by which the amortized cost exceeds fair value. Any impairment not recognized in the allowance for credit losses is recognized in other comprehensive income. Loans held-for-sale — Loans originated and intended for sale are carried at the lower of cost or estimated fair value as determined on a loan-by-loan basis. Net unrealized losses, if any, are recognized through a valuation allowance by charges to income. Realized gains and losses are recognized when legal title to the loans has been transferred to the purchaser and sales proceeds have been received and are reflected in the accompanying consolidated statement of income in gains on mortgage loans sold, net of related costs such as compensation expenses, for mortgage loans, and as a component of other noninterest income for commercial loans held-for-sale. Loans — Pinnacle Financial uses the following loan segments for financial reporting purposes: owner occupied commercial real estate mortgage, non-owner occupied commercial real estate, consumer real estate mortgage, construction and land development, commercial and industrial and consumer and other. The appropriate classification is determined based on the underlying collateral utilized to secure each loan. These classifications are consistent with those utilized in the Quarterly Report of Condition and Income filed by Pinnacle Bank with the Federal Deposit Insurance Corporation (FDIC). Loans are reported at their outstanding principal balances, net of applicable purchase accounting and any deferred fees or costs on originated loans. Interest income on loans is accrued based on the principal balance outstanding. Loan origination fees, net of certain loan origination costs, are deferred and recognized as an adjustment to the related loan yield using a method which approximates the interest method. At December 31, 2021 and 2020, net deferred loan fees of $34.3 million and $53.2 million respectively, were included as a reduction to loans on the accompanying consolidated balance sheets. As part of our routine credit monitoring process, commercial loans receive risk ratings by the assigned financial advisor and are subject to validation by our independent loan review department. Risk ratings are categorized as pass, special mention, substandard, substandard-nonaccrual or doubtful-nonaccrual. Pinnacle Financial believes that its categories follow those outlined by the FDIC, Pinnacle Bank's primary federal regulator. At December 31, 2021, approximately 76.6% of Pinnacle Financial's loan portfolio was assigned a specifically assigned risk rating. Certain consumer loans and commercial relationships that possess certain qualifying characteristics, including individually smaller balances, are generally not assigned an individual risk rating but are evaluated collectively for credit risk as a homogeneous pool of loans and individually as either accrual or nonaccrual based on the performance of the loan. Additional substantial credit risk review procedures were performed during 2020 and 2021 to assess the impacts of the COVID-19 pandemic on the loan portfolio, and impacted loans have continued to be monitored throughout 2021 as part of the routine credit monitoring process. The results of these procedures are reflected in Pinnacle Financial's risk rating disclosures included in Note 5. Loans and Allowance for Credit Losses herein. Loans are placed on nonaccrual status when there is a significant deterioration in the financial condition of the borrower, which generally is the case but is not limited to when the principal or interest is more than 90 days past due, unless the loan is both well-secured and in the process of collection. All interest accrued but not collected for loans that are placed on nonaccrual status is reversed against current interest income. Interest income is subsequently recognized only if certain cash payments are received while the loan is classified as nonaccrual, but interest income recognition is reviewed on a case-by-case basis to determine if the payment should be applied to interest or principal pursuant to regulatory guidelines. A nonaccrual loan is returned to accruing status once the loan has been brought current as to principal and interest and collection is reasonably assured or the loan has been well-secured through other techniques. Loans are charged off when management believes that the full collectability of the loan is unlikely. As such, a loan may be partially charged-off after a "confirming event" has occurred which serves to validate that full repayment pursuant to the terms of the loan is unlikely. Purchased loans, including loans acquired through a merger, are initially recorded at fair value on the date of purchase. At the time of acquisition, management evaluates all purchased loans using a variety of factors such as current classification or risk rating, past due status and history as a component of the fair value determination. For purchased loans that have not experienced more-than-insignificant credit deterioration since origination, management evaluates each reviewed loan using an internal grading system with a grade assigned to each loan at the date of acquisition. To the extent that any purchased loan is not specifically reviewed, such loan is assumed to have characteristics similar to the characteristics of the specifically reviewed acquired portfolio of purchased loans. Purchased loans that have experienced more than insignificant credit deterioration since origination ("purchased credit deteriorated loans") are individually evaluated by management to determine the estimated fair value of each loan. In determining the estimated fair value of such loans, management considers a number of factors including, among other things, the remaining life of the acquired loans, estimated prepayments, estimated loss ratios, estimated value of the underlying collateral, estimated holding periods, and net present value of cash flows expected to be received. Allowance for Credit Losses - Loans - Pinnacle Financial adopted FASB ASC 326 effective January 1, 2020, which requires the estimation of an allowance for credit losses in accordance with the Current Expected Credit Losses (CECL) methodology. Pinnacle Financial's management assesses the adequacy of the allowance on a quarterly basis. This assessment includes procedures to estimate the allowance and test the adequacy and appropriateness of the resulting balance. The level of the allowance is based upon management's evaluation of historical default and loss experience, current and projected economic conditions, asset quality trends, known and inherent risks in the portfolio, adverse situations that may affect the borrowers' ability to repay a loan (including the timing of future payments), the estimated value of any underlying collateral, composition of the loan portfolio, industry and peer bank loan quality indications and other pertinent factors, including regulatory recommendations. The level of the allowance for credit losses maintained by management is believed adequate to absorb all expected future losses inherent in the loan portfolio at the balance sheet date. The allowance is increased through provision for credit losses and decreased by charge-offs, net of recoveries of amounts previously charged-off. The allowance for credit losses is measured on a collective basis for pools of loans with similar risk characteristics. Pinnacle Financial has identified the following pools of financial assets with similar risk characteristics for measuring expected credit losses: • Owner occupied commercial real estate mortgage loans - Owner occupied commercial real estate mortgage loans are secured by commercial office buildings, industrial buildings, warehouses or retail buildings where the owner of the building occupies the property. For such loans, repayment is largely dependent upon the operation of the borrower's business. • Non-owner occupied commercial real estate loans - These loans represent investment real estate loans secured by office buildings, industrial buildings, warehouses, retail buildings, and multifamily residential housing. Repayment is primarily dependent on lease income generated from the underlying collateral. • Consumer real estate mortgage loans - Consumer real estate mortgage consists primarily of loans secured by 1-4 family residential properties, including home equity lines of credit. Repayment is primarily dependent on the personal cash flow of the borrower. • Construction and land development loans - Construction and land development loans include loans where the repayment is dependent on the successful completion and eventual sale, refinance or operation of the related real estate project. Construction and land development loans include 1-4 family construction projects and commercial construction endeavors such as warehouses, apartments, office and retail space and land acquisition and development. • Commercial and industrial loans - Commercial and industrial loans include loans to business enterprises issued for commercial, industrial and/or other professional purposes. These loans are generally secured by equipment, inventory, and accounts receivable of the borrower and repayment is primarily dependent on business cash flows. Loans granted under the PPP, which are fully guaranteed by the SBA, are included in this category. • Consumer and other loans - Consumer and other loans include all loans issued to individuals not included in the consumer real estate mortgage classification. Examples of consumer and other loans are automobile loans, consumer credit cards and loans to finance education, among others. Many consumer loans are unsecured. Repayment is primarily dependent on the personal cash flow of the borrower. For commercial real estate, consumer real estate, construction and land development, and commercial and industrial loans, Pinnacle Financial primarily utilizes a PD and loss given default (LGD) modeling approach. These models utilize historical correlations between default experience and certain macroeconomic factors as determined through a statistical regression analysis. All loan segments modeled using this approach consider changes in the national unemployment rate. In addition to the national unemployment rate, GDP and the three month treasury rate are considered for owner occupied commercial real estate, the commercial real estate price index and the five year treasury rate are considered for construction loans, and the three month treasury rate is considered for commercial and industrial loans. Projections of these macroeconomic factors, obtained from an independent third party, are utilized to predict quarterly rates of default based on the statistical PD models. Adjustments are made to predicted default rates as considered necessary for each loan segment based on other quantitative and qualitative information not utilized as a direct input into the statistical models. The predicted quarterly default rates are then applied to the estimated future exposure at default (EAD), as determined based on contractual amortization terms and estimated prepayments. An estimated LGD, determined based on historical loss experience, is applied to the quarterly defaulted balances for each loan segment to estimate future losses of the loan's amortized cost. Losses are predicted over a period of time determined to be reasonable and supportable, and at the end of the reasonable and supportable period losses are reverted to long term historical averages. The reasonable and supportable period and reversion period are re-evaluated each quarter by Pinnacle Financial and are dependent on the current economic environment among other factors. At December 31, 2021, a reasonable and supportable period of twenty-four months was utilized for all loan segments, followed by a twelve month straight line reversion to long term averages. For the consumer and other loan segment, a loss rate approach is utilized. For these loans, historical charge off rates are applied to projected future balances, as determined in the same manner as EAD for the statistically modeled loan segments. For credit cards, which have no amortization terms or contractual maturities and are unconditionally cancellable, future balances are estimated based on expected payment volume applied to the current balance. The estimated loan losses for all loan segments are adjusted for changes in qualitative factors not inherently considered in the quantitative analyses. The qualitative categories and the measurements used to quantify the risks within each of these categories are subjectively selected by management but measured by objective measurements period over period. The data for each measurement may be obtained from internal or external sources. The current period measurements are evaluated and assigned a factor commensurate with the current level of risk relative to past measurements over time. The resulting qualitative adjustments are applied to the relevant collectively evaluated loan portfolios. These adjustments are based upon quarterly trend assessments in portfolio concentrations, policy exceptions, associate retention, independent loan review results, collateral considerations, risk ratings, competition and peer group credit quality trends. The qualitative allowance allocation, as determined by the processes noted above, is increased or decreased for each loan segment based on the assessment of these various qualitative factors. Additional qualitative considerations are made for any identified risk which did not exist within our portfolio historically and therefore may not be adequately addressed through evaluation of such risk factor based on historical portfolio trends as previously discussed. Loans that do not share similar risk characteristics with the collectively evaluated pools are evaluated on an individual basis and are excluded from the collectively evaluated pools. Individual evaluations are generally performed for loans greater than $1.0 million which have experienced significant credit deterioration. Such loans are evaluated for credit losses based on either discounted cash flows or the fair value of collateral. When management determines that foreclosure is probable, expected credit losses are based on the fair value of the collateral, less selling costs. For loans for which foreclosure is not probable, but for which repayment is expected to be provided substantially through the operation or sale of the collateral, Pinnacle Financial has elected the practical expedient under ASC 326 to estimate expected credit losses based on the fair value of collateral, with selling costs considered in the event sale of the collateral is expected. Loans for which terms have been modified in a troubled-debt restructuring (TDR) are evaluated using these same individual evaluation methods. In the event the discounted cash flow method is used for a TDR, the original interest rate is used to discount expected cash flows. In assessing the adequacy of the allowance for credit losses, Pinnacle Financial considers the results of Pinnacle Financial's ongoing independent loan review process. Pinnacle Financial undertakes this process both to ascertain those loans in the portfolio with elevated credit risk and to assist in its overall evaluation of the risk characteristics of the entire loan portfolio. Its loan review process includes the judgment of management, independent internal loan reviewers and reviews that may have been conducted by third-party reviewers including regulatory examiners. Pinnacle Financial incorporates relevant loan review results in the allowance. In accordance with CECL, losses are estimated over the remaining contractual terms of loans, adjusted for prepayments. The contractual term excludes expected extensions, renewals and modifications unless management has a reasonable expectation at the reporting date that a TDR will be executed or such renewals, extensions or modifications are included in the original loan agreement and are not unconditionally cancellable by Pinnacle Financial. Credit losses are estimated on the amortized cost basis of loans, which includes the principal balance outstanding, purchase discounts and premiums, deferred loan fees and costs and accrued interest receivable. Accrued interest receivable is presented separately on the balance sheets and as allowed under ASU 2016-13 is excluded from the tabular loan disclosures in Note 5. While policies and procedures used to estimate the allowance for credit losses, as well as the resultant provision for credit losses charged to income, are considered adequate by management and are reviewed periodically by regulators, model validators and internal audit, they are necessarily approximate and imprecise. There are factors beyond Pinnacle Financial's control, such as changes in projected economic conditions, real estate markets or particular industry conditions which may materially impact asset quality and the adequacy of the allowance for credit losses and thus the resulting provision for credit losses. Allowance for Credit Losses on Off Balance Sheet Credit Exposures — Pinnacle Financial estimates expected credit losses over the contractual term of obligations to extend credit, unless the obligation is unconditionally cancellable. The allowance for off balance sheet exposures is adjusted through the provision for credit losses. The estimates are determined based on the likelihood of funding during the contractual term and an estimate of credit losses subsequent to funding. Estimated credit losses on subsequently funded balances are based on the same assumptions as used to estimate credit losses on existing funded loans. Transfers of Financial Assets — Transfers of financial assets are accounted for as sales when control over the assets has been surrendered or in the case of a loan participation, a portion of the asset has been surrendered and meets the definition of a "participating interest". Control over transferred assets is deemed to be surrendered when (1) the assets have been isolated from Pinnacle Financial, (2) the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and (3) Pinnacle Financial does not maintain effective control over the transferred assets through an agreement to repurchase them before maturity. Premises and Equipment and Leaseholds — Premises and equipment are carried at cost less accumulated depreciation and amortization computed principally by the straight-line method over the estimated useful lives of the assets or the expected lease terms for leasehold improvements, whichever is shorter. Useful lives for all premises and equipment range between three Pinnacle Financial, or a subsidiary of Pinnacle Financial, is the lessee with respect to multiple office locations. At December 31, 2021, all such leases were being accounted for as operating leases within the accompanying consolidated financial statements, with the exception of one lease agreement classified as a finance lease. Pinnacle Financial recognizes right-of-use assets and lease liabilities reflecting the present value of future minimum lease payments under its lease agreements in accordance with Accounting Standards Update 2016-02, Leases. Other Real Estate Owned — Other real estate owned (OREO) represents real estate foreclosed upon or acquired by deed in lieu of foreclosure by Pinnacle Bank through loan defaults by customers as well as properties acquired in connection with the acquisition of BNC that had previously been held for future expansion but were transferred to OREO in 2019. Substantially all of these amounts relate to lots, homes and residential development projects that are either completed or are in various stages of construction for which Pinnacle Financial believes it has adequately supported the value recorded. Upon its acquisition by Pinnacle Bank, the property is recorded at fair value, based on appraised value, less selling costs estimated as of the date acquired. The difference from the loan balance related to the property, if any, is recognized as a charge-off through the allowance for credit losses. Additional OREO losses for subsequent downward valuation adjustments and expenses to maintain OREO are determined on a specific property basis and are included as a component of noninterest expense. Net gains or losses realized at the time of disposal are reflected in noninterest expense. Included in the accompanying consolidated balance sheet at December 31, 2021 and 2020 is $8.5 million and $12.4 million, respectively, of OREO with no related property-specific valuation allowances in either period. During the year ended December 31, 2021, Pinnacle Financial had a net foreclosed real estate benefit of $712,300 compared to net foreclosed real estate expense of $8.6 million and $4.2 million, respectively, during the years ended December 31, 2020 and 2019. Other Assets — Included in other assets as of December 31, 2021 and 2020, is approximately $5.1 million and $4.5 million, respectively, of computer software related assets, net of amortization. This software supports Pinnacle Financial's primary data systems and relates to amounts paid to vendors for installation and development of such systems. These amounts are amortized on a straight-line basis over periods of three Pin

Equity method investment

Equity method investment	12 Months Ended
	Dec. 31, 2021
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investment	Note 2. Equity Method Investment On February 1, 2015, Pinnacle Bank acquired a 30% interest in Bankers Healthcare Group, LLC (BHG) for $75 million in cash. On March 1, 2016, Pinnacle Bank and Pinnacle Financial increased their investment in BHG by a combined 19%, for a total investment in BHG of 49%. The additional 19% interest was acquired pursuant to a purchase agreement whereby both Pinnacle Financial and Pinnacle Bank acquired 8.55% and an additional 10.45%, respectively, of the outstanding membership interests in BHG in exchange for $74.1 million in cash and 860,470 shares of Pinnacle Financial common stock valued at $39.9 million. On March 1, 2016, Pinnacle Financial, Pinnacle Bank and the other members of BHG entered into an Amended and Restated Limited Liability Company Agreement of BHG and have subsequently entered into a Second Amended and Restated Limited Liability Company Agreement on February 2, 2021. The Second Amended and Restated Limited Liability Company Agreement, provides for, among other things, the following terms: • co-sale rights for Pinnacle Financial and Pinnacle Bank in the event the other members of BHG decide to sell all or a portion of their ownership interests and are permitted to do so pursuant to the Limited Liability Company Agreement; and • a right of first refusal for BHG and the other members of BHG in the event that Pinnacle Financial and/or Pinnacle Bank decide to sell all or a portion of their ownership interests and are permitted to do so pursuant to the Limited Liability Company Agreement, except in connection with a transfer of their ownership interests to an affiliate or in connection with the acquisition of Pinnacle Financial or Pinnacle Bank or a merger in which Pinnacle Financial or Pinnacle Bank is not the surviving entity. Pinnacle Financial accounts for this investment pursuant to the equity method for unconsolidated subsidiaries and will recognize its interest in BHG's profits and losses in noninterest income with corresponding adjustments to the BHG investment account. Because BHG has been determined to be a voting interest entity of which Pinnacle Financial and Pinnacle Bank together control less than a majority of the board seats, this investment does not require consolidation and is accounted for pursuant to the equity method of accounting. Additionally, Pinnacle Financial did not recognize any goodwill or other intangible assets associated with these transactions as of the respective purchase dates, however, it will recognize accretion income and amortization expense associated with the fair value adjustments to the net assets acquired including the fair value of certain of BHG's liabilities which are recorded as a component of income from equity method investment, pursuant to the equity method of accounting. At December 31, 2021, Pinnacle Financial has recorded technology, trade name and customer relationship intangibles, net of related amortization, of $6.8 million compared to $7.6 million as of December 31, 2020. Amortization expense of $752,000 was included in Pinnacle Financial's results for the year ended December 31, 2021 compared to $1.2 million for 2020 and $1.9 million for 2019. Accretion income of $1.5 million was included in Pinnacle Financial's results for the year ended December 31, 2021, while $2.1 million of accretion income was recorded in 2020 and $2.6 million was recorded in 2019. Additionally, at December 31, 2021, Pinnacle Financial had recorded accretable discounts associated with certain liabilities of BHG of $1.2 million compared to $2.7 million as of December 31, 2020. During the year ended December 31, 2021, Pinnacle Financial and Pinnacle Bank received dividends from BHG of $70.0 million in the aggregate, compared to $53.0 million during the year ended December 31, 2020 and $51.3 million during the year ended December 31, 2019. Earnings from BHG are included in Pinnacle Financial's consolidated tax return. Profits from intercompany transactions are eliminated. Pinnacle Bank has a participating interest in a $525.0 million revolving line of credit for the benefit of BHG in the amount of $100.0 million. At December 31, 2021, there was a $47.2 million outstanding balance on the line related to Pinnacle Bank's interest in the line. The line accrues interest at SOFR plus 200 basis points and is secured by all assets of BHG. The credit agreement contains covenants requiring BHG to maintain certain financial ratios and satisfy certain other affirmative and negative covenants. At December 31, 2021, neither BHG nor the originating bank had represented to Pinnacle Bank that BHG was not in compliance, in all material respects, with these covenants. BHG partners with third party lenders, including Pinnacle Bank, to facilitate loan originations as part of BHG’s alternative financing portfolio, whereby BHG acts as the marketing firm and refers loans to the third party lenders for funding. The third party lenders receive a fee for each loan funded and subsequently sold to BHG. These loans are ultimately sold through BHG's network of clients, which includes Pinnacle Bank. During the years ended December 31, 2021, 2020 and 2019, respectively, BHG purchased $646.6 million, $453.8 million and $337.8 million of loans originated by Pinnacle Bank, respectively. During the years ended December 31, 2021 and 2020, Pinnacle Bank purchased $276.7 million and $100.0 million, respectively, of loans from BHG at par pursuant to BHG's joint venture loan program whereby BHG and Pinnacle Bank share proportionately in the credit risk of the acquired loans based on the rate on the loan and the rate of the purchase. The yield on this portfolio to Pinnacle Bank is anticipated to be between 4.75% and 5.00% per annum. Pinnacle Bank purchased no loans from BHG during the year ended December 31, 2019. At December 31, 2021 and 2020, there were $319.1 million and $95.8 million, respectively, of BHG joint venture program loans held by Pinnacle Bank. The following summary of BHG's financial position and results of operations as of December 31, 2021 and 2020 and for the years ended December 31, 2021, 2020 and 2019 are presented as unaudited due to BHG's fiscal year end being September 30 (in thousands): Banker's Healthcare Group December 31, 2021 December 31, 2020 Assets $ 2,724,542 $ 1,330,317 Liabilities $ 2,355,256 $ 1,088,135 Equity interests 369,286 242,182 Total liabilities and equity $ 2,724,542 $ 1,330,317 For the year ended December 31, 2021 2020 2019 Revenues $ 735,506 $ 457,928 $ 366,500 Net income, pre-tax $ 241,051 $ 171,964 $ 182,462

Restricted Cash Balances

Restricted Cash Balances	12 Months Ended
	Dec. 31, 2021
Cash and Cash Equivalents [Abstract]
Restricted Cash Balances	Note 3. Restricted Cash Balances Regulation D of the Federal Reserve Act requires that banks maintain reserve balances with the Federal Reserve Bank based principally on the type and amount of their deposits. At its option, Pinnacle Financial maintains additional balances to compensate for clearing and other services. For the years ended December 31, 2021 and 2020, the average daily balance maintained at the Federal Reserve was approximately $2.9 billion and $2.2 billion, respectively. Restricted cash included on the consolidated balance sheets was $82.5 million and $223.8 million at December 31, 2021 and 2020, respectively. This restricted cash is maintained at banks as collateral primarily for our derivative portfolio. Pinnacle Financial maintains some of its cash in bank deposit accounts at financial institutions other than Pinnacle Bank that, at times, may exceed federally insured limits. Pinnacle Financial may lose all uninsured balances if one of the correspondent banks fails without warning. Pinnacle Financial has not experienced any losses in such accounts. Pinnacle Financial believes it is not exposed to any significant credit risk on cash and cash equivalents.

Securities

Securities	12 Months Ended
	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Securities	Note 4. Securities The amortized cost and fair value of securities available-for-sale and held-to-maturity at December 31, 2021 and 2020 are summarized as follows (in thousands): Amortized Cost Gross Gross Fair December 31, 2021 Securities available-for-sale: U.S Treasury securities $ 194,490 $ — $ 881 $ 193,609 U.S. Government agency securities 634,611 2,359 4,961 632,009 Mortgage-backed securities 1,908,675 29,874 18,310 1,920,239 State and municipal securities 1,774,119 52,961 3,243 1,823,837 Asset-backed securities 232,294 60 2,785 229,569 Corporate notes 114,355 3,082 2,506 114,931 $ 4,858,544 $ 88,336 $ 32,686 $ 4,914,194 Securities held-to-maturity: U.S. Government agency securities 11,920 — 37 11,883 Mortgage-backed securities 106,555 86 196 106,445 State and municipal securities 1,037,644 32,966 889 1,069,721 $ 1,156,119 $ 33,052 $ 1,122 $ 1,188,049 Allowance for credit losses - securities held-to-maturity (161) Securities held-to-maturity, net of allowance for credit losses $ 1,155,958 December 31, 2020 Securities available-for-sale: U.S Treasury securities $ 82,199 $ 10 $ — $ 82,209 U.S. Government agency securities 74,916 1,547 60 76,403 Mortgage-backed securities 1,623,759 67,759 2,327 1,689,191 State and municipal securities 1,411,288 44,559 12,484 1,443,363 Asset-backed securities 177,878 715 657 177,936 Corporate notes 117,256 2,632 2,309 117,579 $ 3,487,296 $ 117,222 $ 17,837 $ 3,586,681 Securities held-to-maturity: State and municipal securities 1,028,550 38,272 291 1,066,531 $ 1,028,550 $ 38,272 $ 291 $ 1,066,531 Allowance for credit losses - securities held-to-maturity (191) Securities held-to-maturity, net of allowance for credit losses $ 1,028,359 During the quarters ended March 31, 2020 and September 30, 2018, Pinnacle Financial transferred, at fair value, $873.6 million and $179.8 million, respectively, of municipal securities from the available-for-sale portfolio to the held-to-maturity portfolio. The related net unrealized after tax gains of $69.0 million and net unrealized after tax losses of $2.2 million, respectively, remained in accumulated other comprehensive income (loss) and will be amortized over the remaining life of the securities, offsetting the related amortization of discount on the transferred securities. No gains or losses were recognized at the time of the transfer. At December 31, 2021, approximately $671.7 million of Pinnacle Financial's investment portfolio was pledged to secure public funds and other deposits and securities sold under agreements to repurchase. At December 31, 2021, repurchase agreements comprised of secured borrowings totaled $152.6 million and were secured by $152.6 million of pledged U.S. government agency securities, mortgage-backed securities, municipal securities, asset backed securities, and corporate debentures. As the fair value of securities pledged to secure repurchase agreements may decline, Pinnacle Financial regularly evaluates its need to pledge additional securities for the counterparty to remain adequately secured. The amortized cost and fair value of debt securities as of December 31, 2021 by contractual maturity are shown below. Actual maturities may differ from contractual maturities of mortgage-backed securities since the mortgages underlying the securities may be called or prepaid with or without penalty. Therefore, these securities are not included in the maturity categories in the following summary (in thousands): Available-for-sale Held-to-maturity Amortized Fair Amortized Fair Due in one year or less $ 103,578 $ 103,533 $ — $ — Due in one year to five years 320,844 321,710 13,330 13,342 Due in five years to ten years 507,968 513,643 5,648 5,728 Due after ten years 1,785,185 1,825,500 1,030,586 1,062,534 Mortgage-backed securities 1,908,675 1,920,239 106,555 106,445 Asset-backed securities 232,294 229,569 — — $ 4,858,544 $ 4,914,194 $ 1,156,119 $ 1,188,049 At December 31, 2021 and 2020, included in securities were the following investments with unrealized losses. The information below classifies these investments according to the term of the unrealized loss of less than twelve months or twelve months or longer (in thousands): Investments with an Unrealized Loss of Investments with an Total Investments Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized December 31, 2021 U.S. Treasury securities $ 178,610 $ 881 $ — $ — $ 178,610 $ 881 U.S. Government agency securities 365,833 3,024 54,266 1,974 420,099 4,998 Mortgage-backed securities 825,664 11,859 178,956 6,647 1,004,620 18,506 State and municipal securities 363,102 2,665 57,270 1,045 420,372 3,710 Asset-backed securities 198,349 2,595 6,513 190 204,862 2,785 Corporate notes 14,991 554 20,270 1,952 35,261 2,506 Total temporarily-impaired securities $ 1,946,549 $ 21,578 $ 317,275 $ 11,808 $ 2,263,824 $ 33,386 December 31, 2020 U.S. Treasury securities $ — $ — $ — $ — $ — $ — U.S. Government agency securities 9,962 38 6,091 22 16,053 60 Mortgage-backed securities 165,696 1,772 35,997 555 201,693 2,327 State and municipal securities 175,115 2,220 345,435 10,264 520,550 12,484 Asset-backed securities 46,399 207 52,840 450 99,239 657 Corporate notes 9,978 40 23,920 2,269 33,898 2,309 Total temporarily-impaired securities $ 407,150 $ 4,277 $ 464,283 $ 13,560 $ 871,433 $ 17,837 The applicable date for determining when securities are in an unrealized loss position is December 31, 2021 and 2020. As such, it is possible that a security had a market value less than its amortized cost on other days during the twelve-month periods ended December 31, 2021 and 2020, but is not in the "Investments with an Unrealized Loss of less than 12 months" category above. As shown in the tables above, at December 31, 2021 and 2020, Pinnacle Financial had unrealized losses of $33.4 million and $17.8 million on $2.3 billion and $871.4 million, respectively, of securities. The unrealized losses associated with $873.6 million and $179.8 million of municipal securities transferred from the available-for-sale portfolio to the held-to-maturity portfolio during the quarters ended March 31, 2020 and September 30, 2018, respectively, represent unrealized losses since the date of purchase, independent of the impact associated with changes in the cost basis upon transfer between portfolios. As described in Note 1. Summary of Significant Accounting Policies, for any securities classified as available-for-sale that are in an unrealized loss position at the balance sheet date, Pinnacle Financial assesses whether or not it intends to sell the security, or more-likely-than-not will be required to sell the security, before recovery of its amortized cost basis which would require a write-down to fair value through net income. Because Pinnacle Financial currently does not intend to sell those securities that have an unrealized loss at December 31, 2021, and it is not more-likely-than-not that Pinnacle Financial will be required to sell the securities before recovery of their amortized cost bases, which may be maturity, Pinnacle Financial has determined that no write-down is necessary. In addition, Pinnacle Financial evaluates whether any portion of the decline in fair value is the result of credit deterioration, which would require the recognition of an allowance for credit losses. Such evaluations consider the extent to which the amortized cost of the security exceeds its fair value, changes in credit ratings and any other known adverse conditions related to the specific security. The unrealized losses associated with securities at December 31, 2021 are driven by changes in interest rates and are not due to the credit quality of the securities, and accordingly, no allowance for credit losses is considered necessary related to available-for-sale securities at December 31, 2021. These securities will continue to be monitored as a part of Pinnacle Financial's ongoing evaluation of credit quality. The allowance for credit losses on held-to-maturity securities is measured on a collective basis by major security type as described in Note 1. Summary of Significant Accounting Policies. At December 31, 2021, Pinnacle Financial's held-to-maturity securities consists of U.S. government agency, mortgage-backed and municipal securities. Pinnacle Financial has a zero loss expectation for U.S government agency securities and mortgage-backed securities issued by Ginnie Mae, Fannie Mae, and Freddie Mac, and accordingly, no allowance for credit losses is estimated for these securities. Credit losses on held-to-maturity municipal securities are estimated using probability of default and loss given default models driven primarily by macroeconomic factors over a reasonable and supportable period of eighteen months with a twelve month reversion to average loss factors. The allowance for credit losses on held-to-maturity securities totaled $161,000 and $191,000, at December 31, 2021 and 2020, respectively. Pinnacle Financial utilizes bond credit ratings assigned by third party ratings agencies to monitor the credit quality of debt securities held-to-maturity. At December 31, 2021, all debt securities classified as held-to-maturity were rated A or higher by the ratings agencies. Updated credit ratings are obtained as they become available from the ratings agencies. Periodically, available-for-sale securities may be sold or the composition of the portfolio realigned to improve yields, quality or marketability, or to implement changes in investment or asset/liability strategy, including maintaining collateral requirements and raising funds for liquidity purposes. Additionally, if an available-for-sale security loses its investment grade or tax-exempt status, the underlying credit support is terminated or collection otherwise becomes uncertain based on factors known to management, Pinnacle Financial will consider selling the security, but will review each security on a case-by-case basis as these factors become known. Consistent with the investment policy, during the years ended December 31, 2021, 2020 and 2019, available-for-sale securities of approximately $37.5 million, $145.6 million and $737.7 million, respectively, were sold, resulting in gross realized gains of $769,000, $2.2 million and $1.0 million, and gross realized losses of $10,000, $1.2 million and $6.9 million, respectively. Pinnacle Financial has entered into various fair value hedging transactions to mitigate the impact of changing interest rates on the fair values of available for sale securities. See Note 14. Derivative Instruments for disclosure of the gains and losses recognized on derivative instruments and the cumulative fair value hedging adjustments to the carrying amount of the hedged securities.

Premises and Equipment and Leas

Premises and Equipment and Lease Commitments	12 Months Ended
	Dec. 31, 2021
Premises and Equipment and Lease Commitments [Abstract]
Premises and Equipment and Lease Commitments	Note 6. Premises and Equipment and Lease Commitments Premises and equipment at December 31, 2021 and 2020 are summarized as follows (in thousands): Range of Useful Lives 2021 2020 Land Not applicable $ 70,240 $ 70,140 Buildings 15 years - 30 years 202,255 194,432 Leasehold improvements 15 years - 20 years 54,922 50,867 Furniture and equipment 3 years - 20 years 138,766 126,678 466,183 442,117 Less: accumulated depreciation and amortization 178,001 152,116 $ 288,182 $ 290,001 Depreciation and amortization expense was approximately $22.2 million, $22.8 million, and $22.1 million for the years ended December 31, 2021, 2020 and 2019, respectively. Pinnacle Financial has entered into various operating leases, primarily for office space and branch facilities. The leases are classified as operating or finance leases at commencement. Right-of-use assets representing the right to use the underlying asset and lease liabilities representing the obligation to make future lease payments are recognized on the balance sheet within other assets other liabilities Right-of-use assets and lease liabilities relating to Pinnacle Financial's operating and finance leases are as follows at December 31, 2021 and 2020 (in thousands): December 31, 2021 December 31, 2020 Right-of-use assets: Operating leases $ 92,819 $ 83,647 Finance leases 1,544 1,770 Total right-of-use assets $ 94,363 $ 85,417 Lease liabilities: Operating leases $ 97,925 $ 87,737 Finance leases 2,739 3,001 Total lease liabilities $ 100,664 $ 90,738 The total lease cost related to operating leases and short term leases is recognized on a straight-line basis over the lease term. For finance leases, right-of-use assets are amortized on a straight-line basis over the lease term and interest imputed on the lease liability is recognized using the effective interest method. The components of Pinnacle Financial's total lease cost were as follows for the years ended December 31, 2021, 2020 and 2019 (in thousands): For the years ended December 31, 2021 2020 2019 Operating lease cost $ 15,696 $ 13,963 $ 13,992 Short-term lease cost 297 354 295 Finance lease cost: Interest on lease liabilities 208 227 243 Amortization of right-of-use asset 226 226 226 Sublease income (1,309) (1,324) (1,463) Net lease cost $ 15,118 $ 13,446 $ 13,293 The weighted average remaining lease term and weighted average discount rate for operating and finance leases at December 31, 2021 and 2020 are as follows: December 31, 2021 December 31, 2020 Weighted average remaining lease term Operating leases 10.00 years 10.37 years Finance leases 6.84 years 7.84 years Weighted average discount rate Operating leases 2.71 % 2.91 % Finance leases 7.22 % 7.22 % Cash flows related to operating and finance leases during the years ended December 31, 2021, 2020 and 2019 were as follows (in thousands): For the years ended December 31, 2021 2020 2019 Operating cash flows related to operating leases $ 14,712 $ 13,494 $ 13,609 Operating cash flows related to finance leases $ 208 $ 227 $ 243 Financing cash flows related to finance leases $ 261 $ 243 $ 226 Future undiscounted lease payments for operating and finance leases with initial terms of more than 12 months are as follows at December 31, 2021 (in thousands): Operating Leases Finance Leases 2022 $ 14,557 $ 470 2023 13,879 479 2024 13,908 527 2025 11,717 527 2026 9,580 527 Thereafter 50,498 967 Total undiscounted lease payments 114,139 3,497 Less: imputed interest (16,214) (758) Net lease liabilities $ 97,925 $ 2,739

Deposits

Deposits	12 Months Ended
	Dec. 31, 2021
Interest-bearing Deposit Liabilities [Abstract]
Deposits	Note 7. Deposits At December 31, 2021, the scheduled maturities of time deposits are as follows (in thousands): 2022 $ 1,734,404 2023 319,857 2024 33,163 2025 18,187 2026 27,480 Thereafter 693 $ 2,133,784 At December 31, 2021 and 2020, approximately $603.8 million and $808.3 million, respectively, of time deposits had been issued in denominations of $250,000 or greater. At December 31, 2021 and 2020, Pinnacle Financial had $1.9 million and $920,000, respectively, of deposit accounts in overdraft status that have been reclassified to loans on the accompanying consolidated balance sheets.

Federal Home Loan Bank Advances

Federal Home Loan Bank Advances	12 Months Ended
	Dec. 31, 2021
Advances from Federal Home Loan Banks [Abstract]
Federal Home Loan Bank Advances	Note 8. Federal Home Loan Bank Advances Pinnacle Bank is a member of the Federal Home Loan Bank of Cincinnati (FHLB) and as a result, is eligible for advances from the FHLB pursuant to the terms of various borrowing agreements, which assist Pinnacle Bank in the funding of its home mortgage and commercial real estate loan portfolios. Pinnacle Bank has pledged certain qualifying residential mortgage loans and, pursuant to a blanket lien, certain qualifying commercial mortgage loans with an aggregate carrying value of approximately $7.2 billion as collateral under the borrowing agreements with the FHLB. At December 31, 2021 and 2020, Pinnacle Bank had outstanding advances from the FHLB totaling approximately $888.7 million and $1.1 billion, respectively. The scheduled maturities of FHLB advances at December 31, 2021 and interest rates are as follows (in thousands): Scheduled maturities Weighted average interest rates (1) 2022 $ — — % 2023 — — % 2024 — — % 2025 116,250 0.60 % 2026 — — % Thereafter 775,013 2.15 % 891,263 Deferred costs 2,582 Total Federal Home Loan Bank advances $ 888,681 Weighted average interest rate 1.94 % (1) Some FHLB Cincinnati advances include variable interest rates and could increase in the future. The table reflects rates in effect as of December 31, 2021. At December 31, 2021, Pinnacle Bank had accommodations which allow it to borrow from the Federal Reserve Bank of Atlanta's discount window and purchase Federal funds from several of its correspondent banks on an overnight basis at prevailing overnight market rates. These accommodations are subject to various restrictions as to their term and availability, and in most cases, must be repaid within less than a month. At December 31, 2021, Pinnacle Bank had approximately $3.1 billion in borrowing availability with the FHLB, $3.4 billion with the Federal Reserve Bank discount window, and approximately $155.0 million with other correspondent banks with whom Pinnacle Bank has arranged lines of credit. At December 31, 2021, Pinnacle Bank was not carrying any balances with the Federal Reserve Bank discount window or correspondent banks under these arrangements.

Other borrowings

Other borrowings	12 Months Ended
	Dec. 31, 2021
Subordinated Debt [Abstract]
Subordinated Borrowings Disclosure	Note 9. Other Borrowings Pinnacle Financial has twelve wholly-owned subsidiaries that are statutory business trusts created for the exclusive purpose of issuing 30-year capital trust preferred securities, and Pinnacle Financial has entered into certain other subordinated debt agreements. These instruments are outlined below as of December 31, 2021 (in thousands): Name Date Established Maturity Total Debt Outstanding Interest Rate at December 31, 2021 Coupon Structure Trust preferred securities Pinnacle Statutory Trust I December 29, 2003 December 30, 2033 $ 10,310 3.02 % 30-day LIBOR + 2.80% Pinnacle Statutory Trust II September 15, 2005 September 30, 2035 20,619 1.62 % 30-day LIBOR + 1.40% Pinnacle Statutory Trust III September 07, 2006 September 30, 2036 20,619 1.87 % 30-day LIBOR + 1.65% Pinnacle Statutory Trust IV October 31, 2007 September 30, 2037 30,928 3.05 % 30-day LIBOR + 2.85% BNC Capital Trust I April 03, 2003 April 15, 2033 5,155 3.37 % 30-day LIBOR + 3.25% BNC Capital Trust II March 11, 2004 April 07, 2034 6,186 2.97 % 30-day LIBOR + 2.85% BNC Capital Trust III September 23, 2004 September 23, 2034 5,155 2.52 % 30-day LIBOR + 2.40% BNC Capital Trust IV September 27, 2006 December 31, 2036 7,217 1.92 % 30-day LIBOR + 1.70% Valley Financial Trust I June 26, 2003 June 26, 2033 4,124 3.32 % 30-day LIBOR + 3.10% Valley Financial Trust II September 26, 2005 December 15, 2035 7,217 1.69 % 30-day LIBOR + 1.49% Valley Financial Trust III December 15, 2006 January 30, 2037 5,155 1.86 % 30-day LIBOR + 1.73% Southcoast Capital Trust III August 05, 2005 September 30, 2035 10,310 1.72 % 30-day LIBOR + 1.50% Subordinated Debt Pinnacle Financial Subordinated Notes September 11, 2019 September 15, 2029 300,000 4.13 % Fixed (1) Debt issuance costs and fair value adjustment (9,823) Total subordinated debt and other borrowings $ 423,172 (1) Migrates to three On April 22, 2020, Pinnacle Financial established a credit facility with the Federal Reserve Bank in conjunction with the SBA Paycheck Protection Program. There are no amounts outstanding on this facility at December 31, 2021, and as of July 30, 2021, no new extensions of credit are allowed under the facility. On July 30, 2021, Pinnacle Bank redeemed $130.0 million aggregate principal amount of subordinated notes due July 30, 2025. Additionally on November 16, 2021, Pinnacle Financial redeemed $120.0 million aggregate principal amount of subordinated notes due November 16, 2026. The redemptions were funded with existing cash on hand. Pursuant to regulatory guidelines, once the maturity date on subordinated notes is within five years, a portion of the notes will no longer be eligible to be included in regulatory capital, with an additional portion being excluded each year over the five year period approaching maturity.

Income Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Note 10. Income Taxes Income tax expense attributable to continuing operations for each of the years ended December 31 is as follows (in thousands): 2021 2020 2019 Current tax expense : Federal $ 125,016 $ 98,082 $ 77,422 State 11,798 19,270 4,538 Total current tax expense 136,814 117,352 81,960 Deferred tax expense: Federal (12,149) (45,450) 12,446 State (83) (12,865) 2,250 Total deferred tax (benefit) expense (12,232) (58,315) 14,696 Total income tax expense $ 124,582 $ 59,037 $ 96,656 Pinnacle Financial's income tax expense differs from the amounts computed by applying the Federal income tax statutory rate of 21% to income before income taxes. A reconciliation of the differences for each of the years in the three-year period ended December 31, 2021 is as follows (in thousands): 2021 2020 2019 Income tax expense at statutory rate $ 136,900 $ 77,985 $ 104,483 State excise tax expense, net of federal tax effect 9,255 5,059 5,363 Tax-exempt securities (15,243) (13,706) (11,078) Federal tax credits (4,712) (3,717) (1,704) Bank owned life insurance (4,413) (4,759) (3,646) Insurance premiums (273) (272) (238) Excess tax benefits associated with equity compensation (2,475) (417) (1,011) Other items 5,543 (1,136) 4,487 Income tax expense $ 124,582 $ 59,037 $ 96,656 Pinnacle Financial's effective tax rate differs from the Federal income tax rates primarily due to state excise tax expense, investments in bank-qualified tax-exempt municipal securities, tax benefits from Pinnacle Bank's real estate investment trust and municipal investment subsidiaries, and tax benefits associated with share-based compensation, bank owned life insurance, and Pinnacle Financial's captive insurance subsidiary, offset in part by the limitation on deductibility of meals and entertainment expense, non-deductible FDIC insurance premiums and non-deductible executive compensation. The components of deferred income taxes included in other assets in the accompanying consolidated balance sheets at December 31, 2021 and 2020 are as follows (in thousands): 2021 2020 Deferred tax assets: Allowance for credit losses $ 66,785 $ 72,316 Loans 14,778 14,694 Insurance 759 690 Accrued liability for supplemental retirement agreements 7,612 7,457 Restricted stock and stock options 9,148 9,181 Equity method investment — 171 Lease liability 26,476 23,894 Other real estate owned 1,540 2,287 Net federal operating loss carryforward and credits 1,271 1,796 Annual incentive compensation 23,095 8,712 Partnership interests 27,653 25,225 Allowance for off balance sheet credit exposures 5,873 6,069 Other deferred tax assets 1,941 2,559 Total deferred tax assets 186,931 175,051 Deferred tax liabilities: Depreciation and amortization 14,520 14,418 Core deposit and other intangible assets 8,787 11,077 Securities 21,680 34,373 Cash flow hedge 9,890 19,627 REIT dividends 1,222 1,366 FHLB related liabilities 1,600 1,798 Equity method investment 23 — Right-of-use assets and other leasing transactions 24,315 22,232 Subordinated debt 1,791 1,920 Other deferred tax liabilities 1,831 1,630 Total deferred tax liabilities 85,659 108,441 Net deferred tax assets $ 101,272 $ 66,610 At December 31, 2021, the Company had federal and state loss carryforwards resulting from acquisitions of approximately $5.7 million that expire at various dates from 2028 to 2034. ASC 740, Income Taxes , defines the threshold for recognizing the benefits of tax return positions in the financial statements as "more-likely-than-not" to be sustained by the taxing authority. This section also provides guidance on the derecognition, measurement and classification of income tax uncertainties, along with any related interest and penalties, and includes guidance concerning accounting for income tax uncertainties in interim periods. A reconciliation of the beginning and ending unrecognized tax benefit related to state uncertain tax positions is as follows (in thousands): 2021 2020 2019 Balance at January 1, $ 9,658 $ 6,910 $ 5,083 Increases due to tax positions taken during the current year 3,647 2,748 1,827 Increases due to tax positions taken during a prior year — — — Decreases due to the lapse of the statute of limitations during the current year (568) — — Decreases due to settlements with the taxing authorities during the current year — — — Balance at December 31, $ 12,737 $ 9,658 $ 6,910 Pinnacle Financial's policy is to recognize interest and/or penalties related to income tax matters in income tax expense. No interest and penalties were recorded for the year ended December 31, 2021. Pinnacle Financial recognized $571,000 in interest and penalties for the year ended December 31, 2020. No interest and penalties were recorded for the year ended December 31, 2019.

Commitments and Contingent Liab

Commitments and Contingent Liabilities	12 Months Ended
	Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingent Liabilities	Note 11. Commitments and Contingent Liabilities In the normal course of business, Pinnacle Financial has entered into off-balance sheet financial instruments which include commitments to extend credit (i.e., including unfunded lines of credit) and standby letters of credit. Commitments to extend credit are usually the result of lines of credit granted to existing borrowers under agreements that the total outstanding indebtedness will not exceed a specific amount during the term of the indebtedness. Typical borrowers are commercial concerns that use lines of credit to supplement their treasury management functions, thus their total outstanding indebtedness may fluctuate during any time period based on the seasonality of their business and the resultant timing of their cash flows. Other typical lines of credit are related to home equity loans granted to consumers. Commitments to extend credit generally have fixed expiration dates or other termination clauses and may require payment of a fee. At December 31, 2021, these commitments amounted to $12.8 billion, of which approximately $1.3 billion related to home equity lines of credit. Standby letters of credit are generally issued on behalf of an applicant (customer) to a specifically named beneficiary and are the result of a particular business arrangement that exists between the applicant and the beneficiary. Standby letters of credit have fixed expiration dates and are usually for terms of two years or less unless terminated beforehand due to criteria specified in the standby letter of credit. A typical arrangement involves the applicant routinely being indebted to the beneficiary for such items as inventory purchases, insurance, utilities, lease guarantees or other third party commercial transactions. The standby letter of credit would permit the beneficiary to obtain payment from Pinnacle Financial under certain prescribed circumstances. Subsequently, Pinnacle Financial would then seek reimbursement from the applicant pursuant to the terms of the standby letter of credit. At December 31, 2021, these commitments amounted to $278.0 million. Pinnacle Financial follows the same credit policies and underwriting practices when making these commitments as it does for on-balance sheet instruments. Each customer's creditworthiness is evaluated on a case-by-case basis and the amount of collateral obtained, if any, is based on management's credit evaluation of the customer. Collateral held varies but may include cash, real estate and improvements, marketable securities, accounts receivable, inventory, equipment, and personal property. The contractual amounts of these commitments are not reflected in the consolidated financial statements and would only be reflected if drawn upon. Since many of the commitments are expected to expire without being drawn upon, the contractual amounts do not necessarily represent future cash requirements. However, should the commitments be drawn upon and should Pinnacle Bank's customers default on their resulting obligation to Pinnacle Bank, the maximum exposure to credit loss, without consideration of collateral, is represented by the contractual amount of those commitments. At December 31, 2021 and 2020, Pinnacle Financial had accrued $22.5 million and $23.2 million, respectively, for the inherent risks associated with these off-balance sheet commitments. Various legal claims also arise from time to time in the normal course of business. In the opinion of management, the resolution of these routine claims outstanding at December 31, 2021 will not have a material impact on Pinnacle Financial's consolidated financial condition, operating results or cash flows.

Salary Deferral Plans

Salary Deferral Plans	12 Months Ended
	Dec. 31, 2021
Deferred Compensation Arrangements [Abstract]
Salary Deferral Plans	Note 12. Salary Deferral Plans Pinnacle Financial has a 401(k) retirement plan (the 401k Plan) covering all employees who elect to participate, subject to certain eligibility requirements. The 401(k) Plan allows employees to defer up to 50% of their salary subject to regulatory limitations with Pinnacle Financial matching 100% of the first 4% of employee self-directed contributions during 2021, 2020, and 2019. Pinnacle Financial's expense associated with the matching component of the plan for each of the years in the three-year period ended December 31, 2021 was approximately $11.1 million, $9.4 million and $8.1 million, respectively, and is included in the accompanying consolidated statements of operations in salaries and employee benefits expense.

Stock Options, Restricted Share

Stock Options, Restricted Shares and Restricted Share Units	12 Months Ended
	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Stock Options and Restricted Shares and Restricted Share Units	Note 13. Stock Options and Restricted Shares Pinnacle Financial's Amended and Restated 2018 Omnibus Equity Incentive Plan (the "2018 Plan") permits Pinnacle Financial to reissue outstanding awards that are subsequently forfeited, settled in cash, withheld by Pinnacle Financial to cover withholding taxes or expire unexercised and returned to the 2018 Plan. At December 31, 2021, there were approximately 1.9 million shares available for issuance under the 2018 Plan. Upon the acquisition of CapitalMark, Pinnacle Financial assumed approximately 858,000 stock options under the CapitalMark Option Plan. No further shares remain available for issuance under the CapitalMark Option Plan. At December 31, 2021, all of the remaining options outstanding under any equity incentive plan of Pinnacle Financial were granted under the CapitalMark Option Plan. Common Stock Options As of December 31, 2021, of the 56,147 stock options outstanding, approximately 21,443 options were granted with the intention to be incentive stock options qualifying under Section 422 of the Internal Revenue Code for favorable tax treatment to the option holder while approximately 34,704 options would be deemed non-qualified stock options and thus not subject to favorable tax treatment to the option holder. Favorable treatment generally refers to the recipient of the award not having to report ordinary income at the date of exercise assuming certain conditions are met. All stock options granted under the CapitalMark Plan were fully vested at the date of the CapitalMark merger. A summary of stock option activity within the equity incentive plans during each of the years in the three-year period ended December 31, 2021 and information regarding expected vesting, contractual terms remaining, intrinsic values and other matters was as follows: Number Weighted-Average Exercise Price Weighted-Average Contractual Remaining Term (in years) Aggregate Intrinsic Value (1) (000's) Outstanding at December 31, 2018 178,591 $ 22.77 Granted — — Stock options exercised (59,317) 21.40 Forfeited — — Outstanding at December 31, 2019 119,274 $ 23.45 Granted — — Stock options exercised (17,505) 23.40 Forfeited — — Outstanding at December 31, 2020 101,769 $ 23.46 Granted — — Stock options exercised (45,125) 22.18 Forfeited (497) 20.00 Outstanding at December 31, 2021 56,147 $ 24.51 1.19 $ 3,985 Options exercisable at December 31, 2021 56,147 $ 24.51 1.19 $ 3,985 (1) The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying awards and the quoted price of Pinnacle Financial Common Stock of $95.50 per common share at December 31, 2021 for the 56,147 options that were in-the-money at December 31, 2021. During 2021, 2020 and 2019, the aggregate intrinsic value of stock options exercised under Pinnacle Financial's equity incentive plans was $3.0 million, $350,000 and $2.3 million, respectively, determined as of the date of option exercise. There have been no options granted by Pinnacle Financial since 2008. All stock option awards granted by Pinnacle Financial were fully vested during 2013. Stock options granted under the CapitalMark Plan were fully vested at the time of acquisition. As such, there was no impact on the results of operations for stock-based compensation related to stock options for any year in the three-year period ended December 31, 2021, except for the tax impact recorded as a component of income tax expense upon exercise. Restricted Shares A summary of activity for unvested restricted share awards for the years ended December 31, 2021, 2020, and 2019 follows: Number Grant Date Weighted-Average Cost Unvested at December 31, 2018 692,806 $ 55.19 Shares awarded 245,845 55.25 Restrictions lapsed and shares released to associates/directors (348,145) 40.47 Shares forfeited (35,210) 58.22 Unvested at December 31, 2019 555,296 $ 57.04 Shares awarded 284,904 55.91 Restrictions lapsed and shares released to associates/directors (215,846) 55.39 Shares forfeited (29,685) 59.64 Unvested at December 31, 2020 594,669 $ 56.97 Shares awarded 249,641 77.00 Restrictions lapsed and shares released to associates/directors (193,846) 56.47 Shares forfeited (37,129) 62.79 Unvested at December 31, 2021 613,335 $ 64.93 Pinnacle Financial grants restricted share awards to associates (including certain members of executive management) and outside directors with time-based vesting criteria. The following tables outline restricted stock grants that were made by grant year, grouped by similar vesting criteria, during the three-year period ended December 31, 2021. The table below reflects the life-to-date activity for these awards: Grant Group (1) Vesting Shares Restrictions lapsed and shares released to participants Shares withheld Shares forfeited by participants (4) Shares unvested Time Based Awards 2019 Associates (2) 3 — 5 229,296 58,734 23,995 30,030 116,537 2020 Associates (2) 3 — 5 266,379 40,692 16,847 18,660 190,180 2021 Associates (2) 3 — 5 237,811 139 92 13,514 224,066 Outside Director Awards (3) 2019 Outside directors 1 16,549 14,582 1,967 — — 2020 Outside directors 1 18,525 16,327 2,198 — — 2021 Outside directors 1 11,830 — — — 11,830 (1) Groups include employees (referred to as associates above) and outside directors. When the restricted shares are awarded, a participant receives voting rights and forfeitable dividend rights with respect to the shares, but is not able to transfer the shares until the restrictions have lapsed. Once the restrictions lapse, the participant is taxed on the value of the award and may elect to sell some shares (or have Pinnacle Financial withhold some shares) to pay the applicable income taxes associated with the award. Alternatively, the recipient can pay the withholding taxes in cash. For time-based vesting restricted share awards, dividends paid on shares for which the forfeiture restrictions do not lapse will be recouped by Pinnacle Financial at the time of termination. For awards to Pinnacle Financial's directors, dividends are placed into escrow until the forfeiture restrictions on such shares lapse. (2) The forfeiture restrictions on these restricted share awards lapse in equal annual installments on the anniversary date of the grant. (3) Restricted share awards are issued to the outside members of the board of directors in accordance with their board compensation plan. Restrictions lapse on March 1, 2022 based on each individual board member meeting attendance goals for the various board and board committee meetings to which each member was scheduled to attend. (4) These shares represent forfeitures resulting from recipients whose employment or board membership was terminated during the year-to-date period ended December 31, 2021. Any dividends paid on shares for which the forfeiture restrictions do not lapse will be recouped by Pinnacle Financial at the time of termination or will not be distributed from escrow, as applicable. Compensation expense associated with the time-based vesting restricted share awards is recognized over the time period that the restrictions associated with the awards lapse on a straight-line basis based on the total cost of the award. Restricted Stock Unit Awards In 2021, Pinnacle Financial granted restricted stock units to its Named Executive Officers (NEOs) and leadership team members with time-based vesting criteria. Compensation expense associated with time-based vesting restricted stock unit awards is recognized over the time period that the restrictions associated with the awards lapse on a straight-line basis based on the total cost of the award. The following table outlines restricted stock unit grants that were made, grouped by similar vesting criteria, during the year ended December 31, 2021. The table reflects the life-to-date activity for these awards: Grant year Vesting Shares Restrictions lapsed and shares released to participants Shares withheld for taxes by participants Shares forfeited by participants (1) Shares unvested 2021 3 56,864 89 39 368 56,368 (1) These shares represent forfeitures resulting from recipients whose employment was terminated during the year-to-date period ended December 31, 2021. Dividend equivalents are held in escrow for award recipients for dividends paid prior to the forfeiture restrictions lapsing. Such dividend equivalents are not released from escrow if an award is forfeited. Performance Stock Unit Awards The following table details the performance stock unit awards outstanding at December 31, 2021: Units Awarded Applicable performance periods associated with each tranche (fiscal year) Service period per tranche Subsequent Period in which units to be settled into shares of common stock (2) Grant year Named Executive Officers (NEOs) (1) Leadership Team other than NEOs 2021 (3) 89,234 — 214,155 45,240 2021-2023 0 0 2024 2020 136,137 — 204,220 59,648 2020 2 3 2025 2021 2 2 2025 2022 2 1 2025 2019 166,211 — 249,343 52,244 2019 2 3 2024 2020 2 2 2024 2021 2 1 2024 2018 96,878 — 145,339 25,990 2018 2 3 2023 2019 2 2 2023 2020 2 1 2023 2017 72,537 — 109,339 24,916 2017 2 3 2022 2018 2 2 2022 2019 2 1 2022 (1) The named executive officers are awarded a range of awards that may be earned based on attainment of goals between a target level of performance and a maximum level of performance. (2) Performance stock unit awards granted prior to 2021, if earned, will be settled in shares of Pinnacle Financial Common Stock in the periods noted in the table, if Pinnacle Bank's ratio of non-performing assets to its loans plus ORE ("NPA Ratio") is less than amounts established in the applicable award agreement. (3) Performance stock unit awards granted in 2021, if earned, will be settled in shares of Pinnacle Financial Common Stock in the period noted in the table, if the performance criterion included in the applicable performance unit award agreement, including the NPA Ratio, are met. During the years ended December 31, 2021 and 2020, the restrictions associated with 134,146 performance stock unit awards and 129,723 performance stock unit awards, respectively, granted in prior years lapsed, based on the terms of the applicable award agreement and approval by Pinnacle Financial's Human Resources and Compensation Committee, and were settled into shares of Pinnacle Financial common stock with 46,616 shares and 43,996 shares, respectively, being withheld to pay the taxes associated with the settlement of those shares. A summary of stock compensation expense, net of the impact of income taxes, related to restricted share awards, restricted stock unit awards and performance stock unit awards for the three-year period ended December 31, 2021, follows (in thousands): 2021 2020 2019 Restricted stock expense $ 24,952 $ 18,737 $ 21,226 Income tax benefit 6,522 4,898 5,548 Restricted stock expense, net of income tax benefit $ 18,430 $ 13,839 $ 15,678

Derivative Instruments

Derivative Instruments	12 Months Ended
	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments	Note 14. Derivative Instruments Financial derivatives are reported at fair value in other assets or other liabilities. The accounting for changes in the fair value of a derivative depends on whether it has been designated and qualifies as part of a hedging relationship. For derivatives not designated as hedges, the gain or loss is recognized in current earnings. Non-hedge derivatives For derivatives not designated as hedges, the gain or loss is recognized in current period earnings. Pinnacle Financial enters into interest rate swaps (swaps) to facilitate customer transactions and meet their financing needs. Upon entering into these instruments to meet customer needs, Pinnacle Financial enters into offsetting positions in order to minimize the risk to Pinnacle Financial. These swaps qualify as derivatives, but are not designated as hedging instruments. The income statement impact of the offsetting positions is limited to changes in the reserve for counterparty credit risk. A summary of Pinnacle Financial's interest rate swaps to facilitate customer transactions as of December 31, 2021 and 2020 is included in the following table (in thousands): December 31, 2021 December 31, 2020 Notional Estimated Fair Value Notional Amount Estimated Fair Value Interest rate swap agreements: Assets $ 1,540,992 $ 39,770 $ 1,565,916 $ 101,602 Liabilities 1,540,992 (40,241) 1,565,916 (102,919) Total $ 3,081,984 $ (471) $ 3,131,832 $ (1,317) The effects of Pinnacle Financial's interest rate swaps to facilitate customers' transactions on the income statement during the years ended December 31, 2021, 2020 and 2019 were as follows (in thousands): Amount of Gain (Loss) Recognized in Income Location of Gain (Loss) Recognized in Income Year ended December 31, 2021 2020 2019 Interest rate swap agreements Other noninterest income $ 846 $ (1,109) $ (80) Derivatives designated as cash flow hedges For derivative instruments that are designated and qualify as a cash flow hedge, the aggregate fair value of the derivative instrument is recorded in other assets or other liabilities with any gain or loss related to changes in fair value recorded in accumulated other comprehensive income, net of tax. The gain or loss is reclassified into earnings in the same period during which the hedged asset or liability affects earnings and is presented in the same income statement line item as the earnings effect of the hedged asset or liability. Pinnacle Financial uses forward cash flow hedge relationships in an effort to manage future interest rate exposure. The hedging strategy converts the LIBOR-based variable interest rate on forecasted borrowings to a fixed interest rate and is used in an effort to protect Pinnacle Financial from floating interest rate variability. A summary of Pinnacle Financial's cash flow hedge relationships as of December 31, 2021 and 2020 are as follows (in thousands): December 31, 2021 December 31, 2020 Balance Sheet Location Weighted Average Remaining Maturity Weighted Average Pay Rate Receive Rate Notional Estimated Notional Estimated Asset derivatives Interest rate floor - loans Other assets 0.00 —% 2.25% minus 1 month LIBOR $ — $ — $ 1,500,000 $ 124,585 The effects of Pinnacle Financial's cash flow hedge relationships on the statement of comprehensive income (loss) during the years ended December 31, 2021, 2020 and 2019 were as follows (in thousands): Amount of Gain (Loss) Recognized in Other Comprehensive Income Years ended December 31, 2021 2020 2019 Asset derivatives Interest rate floor - loans $ (15,034) $ 62,979 $ (1,432) Liability derivatives Interest rate swaps - borrowings $ — $ 2,447 $ (1,149) $ (15,034) $ 65,426 $ (2,581) The cash flow hedges were determined to be highly effective during the periods presented and as a result qualified for hedge accounting treatment. If a hedge were deemed to be ineffective, the amount included in accumulated other comprehensive income (loss) would be reclassified into a line item within the statement of income that impacts operating results. A hedging relationship is no longer considered to be effective if a portion of the hedge becomes ineffective, the item hedged is no longer in existence or Pinnacle Financial discontinues hedge accounting. Gains on cash flow hedges totaling $9.6 million, net of tax, were reclassified from accumulated other comprehensive income (loss) into net income during the year ended December 31, 2021. Losses on cash flow hedges totaling $5.5 million and $1.6 million, net of tax, were reclassified from other comprehensive income (loss) into net income during the years ended December 31, 2020 and 2019, respectively. Approximately $10.0 million in unrealized gains, net of tax, are expected to be reclassified from accumulated other comprehensive income (loss) into net income over the next twelve months. Derivatives designated as fair value hedges For derivative instruments that are designated and qualify as a fair value hedge, the gain or loss on the derivative instrument as well as the offsetting loss or gain on the hedged asset or liability attributable to the hedged risk are recognized in current earnings. The gain or loss on the derivative instrument is presented on the same income statement line item as the earnings effect of the hedged item. Pinnacle Financial utilizes interest rate swaps designated as fair value hedges to mitigate the effect of changing interest rates on the fair values of fixed rate callable securities available-for-sale. The hedging strategy on securities converts the fixed interest rates to LIBOR or federal funds rates. These derivatives are designated as partial term hedges of selected cash flows covering specified periods of time prior to the call dates of the hedged securities. A summary of Pinnacle Financial's fair value hedge relationships as of December 31, 2021 and 2020 are as follows (in thousands): December 31, 2021 December 31, 2020 Balance Sheet Location Weighted Average Remaining Maturity (In Years) Weighted Average Pay Rate Receive Rate Notional Amount Estimated Fair Value Notional Amount Estimated Fair Value Asset derivatives Interest rate swap agreements - securities Other assets 5.30 0.59% Federal funds $ 559,820 $ 15,109 $ 231,421 $ 4,696 Liability derivatives Interest rate swap agreements - securities Other liabilities 5.03 3.08% 3 month LIBOR 471,670 (39,781) 477,510 (72,010) $ 1,031,490 $ (24,672) $ 708,931 $ (67,314) Notional amounts totaling $471.7 million included in the table above receive a variable rate of interest based on three month LIBOR and notional amounts totaling $559.8 million receive a variable rate of interest based on the daily compounded federal funds rate. The effects of Pinnacle Financial's fair value hedge relationships on the income statement during the years end December 31, 2021, 2020 and 2019 were as follows (in thousands): Location of Gain (Loss) Amount of Gain (Loss) Recognized in Income Year ended December 31, Securities 2021 2020 2019 Interest rate swap agreements Interest income on securities $ 42,642 $ (26,536) $ (25,982) Securities available-for-sale Interest income on securities $ (42,642) $ 26,536 $ 25,982 Location of Gain (Loss) Amount of Loss Recognized in Income Years ended December 31, Loans 2021 2020 2019 Interest rate swap agreements Interest income on loans $ — $ — $ (6,915) Loans Interest income on loans $ — $ — $ 6,915 The following amounts were recorded on the balance sheet related to cumulative basis adjustments for fair value hedges at December 31, 2021 and 2020 (in thousands): Carrying Amount of the Hedged Assets Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets December 31, 2021 December 31, 2020 December 31, 2021 December 31, 2020 Line item on the balance sheet Securities available-for-sale $ 1,165,773 $ 841,543 $ 24,672 $ 67,314 During the years ended December 31, 2021, 2020 and 2019 amortization expense totaling $3.5 million, $4.3 million and $2.7 million, respectively, related to previously terminated fair value hedges was recognized as a reduction to interest income on loans.

Employee Contracts

Employee Contracts	12 Months Ended
	Dec. 31, 2021
Compensation Related Costs [Abstract]
Employment Contracts	Note 15. Employment Contracts Pinnacle Financial has entered into, and subsequently amended employment agreements with five of its senior executives: the President and Chief Executive Officer, the Chairman of the Board, the Chairman of the Carolinas and Virginia, the Chief Administrative Officer and the Chief Financial Officer. These agreements, as amended, automatically renew each year on January 1 for an additional year unless any of the parties to the agreements gives notice of intent not to renew the agreement prior to November 30th of the preceding year, in which case the agreement terminates 30 days later. The agreements specify that in certain defined "Terminating Events," Pinnacle Financial will be obligated to pay each of the five senior executives certain amounts, which vary according to the Terminating Event, which is based on their annual salaries and bonuses. These Terminating Events include termination for disability, cause, without cause and other events. The agreement with the Chairman of the Carolinas and Virginia also provides for the payment of certain deferred benefits under his prior employment agreement with BNC upon termination of his employment with Pinnacle Financial.

Related Party Matters

Related Party Matters	12 Months Ended
	Dec. 31, 2021
Related Party Transactions [Abstract]
Related Party Transactions Disclosure [Text Block]	Note 16. Related Party Transactions See Note 5 - "Loans and Allowance for Credit Losses", concerning loans and other extensions of credit to certain directors, officers, and their related entities and individuals, Note 12 – "Salary Deferral Plans" regarding supplemental retirement agreement obligations to certain directors who were formerly directors or employees of acquired banks and Note 2 - "Equity Method Investment" regarding related parties associated with the investment.

Fair Value of Financial Instrum

Fair Value of Financial Instruments	12 Months Ended
	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Fair Value of Financial Instruments	Note 17. Fair Value of Financial Instruments FASB ASC 820, Fair Value Measurements and Disclosures , defines fair value, establishes a framework for measuring fair value in U.S. GAAP and expands disclosures about fair value measurements. The definition of fair value focuses on the exit price, i.e., 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, not the entry price, i.e., the price that would be paid to acquire the asset or received to assume the liability at the measurement date. The statement emphasizes that fair value is a market-based measurement; not an entity-specific measurement. Therefore, the fair value measurement should be determined based on the assumptions that market participants would use in pricing the asset or liability. Valuation Hierarchy FASB ASC 820 establishes a three-level valuation hierarchy for disclosure of fair value measurements. The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability as of the measurement date. The three levels are defined as follows: • Level 1 – inputs to the valuation methodology are quoted prices (unadjusted) for identical assets or liabilities in active markets. • Level 2 – inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument. • Level 3 – inputs to the valuation methodology are unobservable and significant to the fair value measurement. A financial instrument's categorization within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The following is a description of the valuation methodologies used for assets and liabilities measured at fair value, as well as the general classification of such assets and liabilities pursuant to the valuation hierarchy. Assets Securities available-for-sale – Where quoted prices are available for identical securities in an active market, securities are classified within Level 1 of the valuation hierarchy. Level 1 securities include highly liquid government securities and certain other financial products. If quoted market prices are not available, then fair values are estimated by using pricing models that use observable inputs or quoted prices of securities with similar characteristics and are classified within Level 2 of the valuation hierarchy. In certain cases where there is limited activity or less transparency around inputs to the valuation and more complex pricing models or discounted cash flows are used, securities are classified within Level 3 of the valuation hierarchy. Other investments – Included in other investments are investments recorded at fair value primarily in certain nonpublic investments and funds. The valuation of these nonpublic investments requires management judgment due to the absence of observable quoted market prices, inherent lack of liquidity and the long-term nature of such assets. These investments are valued initially based upon transaction price. The carrying values of other investments are adjusted either upwards or downwards from the transaction price to reflect expected exit values as evidenced by financing and sale transactions with third parties, or when determination of a valuation adjustment is confirmed through financial reports provided by the portfolio managers of the investment. A variety of factors are reviewed and monitored to assess positive and negative changes in valuation including, but not limited to, current operating performance and future expectations of the particular investment, industry valuations of comparable public companies and changes in market outlook and the third-party financing environment over time. In determining valuation adjustments resulting from the investment review process, emphasis is placed on current company performance and market conditions. These investments are included in Level 3 of the valuation hierarchy if the entities and funds are not widely traded and the underlying investments are in privately-held and/or start-up companies for which market values are not readily available. Certain investments in funds for which the underlying assets of the fund represent publicly traded investments are included in Level 2 of the valuation hierarchy. Other assets – Included in other assets are certain assets carried at fair value, including interest rate swap agreements to facilitate customer transactions, interest rate floors designated as cash flow hedges and interest rate locks associated with the mortgage loan pipeline. The carrying amount of interest rate swap agreements is based on Pinnacle Financial's pricing models that utilize observable market inputs. The fair value of the cash flow hedge agreements is determined by calculating the difference between the discounted fixed rate cash flows and the discounted variable rate cash flows. The fair value of the mortgage loan pipeline is based upon the projected sales price of the underlying loans, taking into account market interest rates and other market factors at the measurement date, net of the projected fallout rate. Pinnacle Financial reflects these assets within Level 2 of the valuation hierarchy as these assets are valued using similar transactions that occur in the market. Collateral dependent loans – Collateral dependent loans are measured at the fair value of the collateral securing the loan less estimated selling costs. The fair value of real estate collateral is determined based on real estate appraisals which are generally based on recent sales of comparable properties which are then adjusted for property specific factors. Non-real estate collateral is valued based on various sources, including third party asset valuations and internally determined values based on cost adjusted for depreciation and other judgmentally determined discount factors. Collateral dependent loans are classified within Level 3 of the hierarchy due to the unobservable inputs used in determining their fair value such as collateral values and the borrower's underlying financial condition. Other real estate owned – Other real estate owned (OREO) represents real estate foreclosed upon by Pinnacle Bank through loan defaults by customers or acquired by deed in lieu of foreclosure. A significant portion of these amounts relate to lots, homes and development projects that are either completed or are in various stages of construction for which Pinnacle Financial believes it has adequate collateral. Upon foreclosure, the property is recorded at the lower of cost or fair value, based on appraised value, less selling costs estimated as of the date acquired with any loss recognized as a charge-off through the allowance for credit losses. Additional OREO losses for subsequent valuation downward adjustments are determined on a specific property basis and are included as a component of noninterest expense along with holding costs. Any gains or losses realized at the time of disposal are also reflected in noninterest expense, as applicable. OREO is included in Level 3 of the valuation hierarchy due to the lack of observable market inputs into the determination of fair value as appraisal values are property-specific and sensitive to the changes in the overall economic environment. Liabilities Other liabilities – Pinnacle Financial has certain liabilities carried at fair value including certain interest rate swap agreements to facilitate customer transactions, interest rate swaps designated as fair value and cash flow hedges and interest rate locks associated with the funding for its mortgage loan originations. The fair value of these liabilities is based on Pinnacle Financial's pricing models that utilize observable market inputs and is reflected within Level 2 of the valuation hierarchy. The following tables present the financial instruments carried at fair value on a recurring basis as of December 31, 2021 and 2020, by caption on the consolidated balance sheets and by FASB ASC 820 valuation hierarchy (as described above) (in thousands): Total carrying value in the consolidated balance sheet Quoted market prices in an active market Models with significant observable market parameters Models with significant unobservable market parameters December 31, 2021 Investment securities available-for-sale: U.S. treasury securities $ 193,609 $ — $ 193,609 $ — U.S. government agency securities 632,009 — 632,009 — Mortgage-backed securities 1,920,239 — 1,920,239 — State and municipal securities 1,823,837 — 1,823,009 828 Asset-backed securities 229,569 — 229,569 — Corporate notes and other 114,931 — 114,931 — Total investment securities available-for-sale 4,914,194 — 4,913,366 828 Other investments 125,969 — 24,973 100,996 Other assets 57,441 — 57,441 — Total assets at fair value $ 5,097,604 $ — $ 4,995,780 $ 101,824 Other liabilities $ 80,106 $ — $ 80,106 $ — Total liabilities at fair value $ 80,106 $ — $ 80,106 $ — December 31, 2020 Investment securities available-for-sale: U.S. treasury securities $ 82,209 $ — $ 82,209 $ — U.S. government agency securities 76,403 — 76,403 — Mortgage-backed securities 1,689,191 — 1,689,191 — State and municipal securities 1,443,363 — 1,427,866 15,497 Asset-backed securities 177,936 — 177,936 — Corporate notes and other 117,579 — 117,579 — Total investment securities available-for-sale 3,586,681 — 3,571,184 15,497 Other investments 73,395 — 25,636 47,759 Other assets 242,470 — 242,470 — Total assets at fair value $ 3,902,546 $ — $ 3,839,290 $ 63,256 Other liabilities $ 177,025 $ — $ 177,025 $ — Total liabilities at fair value $ 177,025 $ — $ 177,025 $ — The following table presents assets measured at fair value on a nonrecurring basis as of December 31, 2021 and 2020 (in thousands): December 31, 2021 Total carrying value in the consolidated balance sheet Quoted market prices in an active market Models with significant observable market parameters Models with significant unobservable market Other real estate owned $ 8,537 $ — $ — $ 8,537 Collateral dependent loans (1) 30,799 — — 30,799 Total $ 39,336 $ — $ — $ 39,336 December 31, 2020 Other real estate owned $ 12,360 $ — $ — $ 12,360 Collateral dependent loans (1) 43,795 — — 43,795 Total $ 56,155 $ — $ — $ 56,155 (1) The carrying values of collateral dependent loans at December 31, 2021 and 2020 are net of valuation allowances of $1.7 million and $3.5 million, respectively. In the case of the investment securities portfolio, Pinnacle Financial monitors the portfolio to ascertain when transfers between levels have been affected. The nature of the remaining assets and liabilities is such that transfers in and out of any level are expected to be rare. For the year ended December 31, 2021, there were no transfers between Levels 1, 2 or 3. The table below includes a rollforward of the balance sheet amounts for the years ended December 31, 2021 and December 31, 2020, (including the change in fair value) for financial instruments classified by Pinnacle Financial within Level 3 of the valuation hierarchy measured at fair value on a recurring basis including changes in fair value due in part to observable factors that are part of the valuation methodology (in thousands): For the year ended December 31, 2021 2020 Available-for-sale Securities Other Other Available-for-sale Securities Other Other Fair value, Jan. 1 $ 15,497 $ 47,759 $ — $ 15,903 $ 38,156 $ — Total net realized gains included in income 1,302 23,109 — 110 1,067 — Change in unrealized gains/losses included in other comprehensive income (3,184) — — 627 — — Purchases — 45,986 — — 11,663 — Issuances — — — — — — Settlements (12,787) (15,858) — (1,143) (3,127) — Transfers out of Level 3 — — — — — — Fair value, Dec. 31 $ 828 $ 100,996 $ — $ 15,497 $ 47,759 $ — Total realized gains included in income $ 1,302 $ 23,109 $ — $ 110 $ 1,067 $ — The following table presents the carrying amounts, estimated fair value and placement in the fair value hierarchy of Pinnacle Financial's financial instruments at December 31, 2021 and 2020. This table excludes financial instruments for which the carrying amount approximates fair value. For short-term financial assets such as cash, cash equivalents, interest-bearing due from banks and restricted cash, the carrying amount is a reasonable estimate of fair value due to the relatively short time between the origination of the instrument and its expected realization. For financial liabilities such as non-interest bearing demand, interest-bearing demand, and savings deposits, the carrying amount is a reasonable estimate of fair value due to these products having no stated maturity (in thousands). Carrying/ Estimated Fair Value (1) Quoted market prices in an active market Models with significant observable market parameters Models with significant unobservable market December 31, 2021 Financial assets: Securities purchased with agreement to resell $ 1,000,000 $ 980,543 $ — $ — $ 980,543 Securities held-to-maturity 1,155,958 1,188,049 — 1,188,049 — Loans, net 23,151,029 23,223,299 — — 23,223,299 Consumer loans held-for-sale 45,806 46,288 — 46,288 — Commercial loans held-for-sale 17,685 17,871 — 17,871 — Financial liabilities: Deposits and securities sold under agreements to repurchase 31,457,092 30,812,222 — — 30,812,222 Federal Home Loan Bank advances 888,681 1,006,866 — — 1,006,866 Subordinated debt and other borrowings 423,172 479,879 — — 479,879 Carrying/ Estimated Fair Value (1) Quoted market prices in an active market Models with significant observable market parameters Models with significant unobservable market Off-balance sheet instruments: Commitments to extend credit (2) 13,063,942 24,351 — — 24,351 December 31, 2020 Financial assets: Securities held-to-maturity $ 1,028,359 $ 1,066,531 $ — $ 1,066,531 $ — Loans, net 22,139,451 22,407,546 — — 22,407,546 Consumer loans held-for-sale 87,821 89,625 — 89,625 — Commercial loans held-for-sale 31,200 31,841 — 31,841 — Financial liabilities: Deposits and securities sold under agreements to repurchase 27,833,739 26,929,142 — — 26,929,142 Federal Home Loan Bank advances 1,087,927 1,189,035 — — 1,189,035 Subordinated debt and other borrowings 670,575 677,521 — — 677,521 Off-balance sheet instruments: Commitments to extend credit (2) 9,692,607 24,887 — — 24,887 (1) Estimated fair values are consistent with an exit-price concept. The assumptions used to estimate the fair values are intended to approximate those that a market-participant would realize in a hypothetical orderly transaction. (2) At the end of each period, Pinnacle Financial evaluates the inherent risks of the outstanding off-balance sheet commitments, including both commitments for unfunded loans and standby letters of credit. In making this evaluation, Pinnacle Financial utilizes credit loss expectations on funded loans from our allowance for credit losses methodology and evaluates the probability that the outstanding commitment will eventually become a funded loan .

Variable Interest Entities

Variable Interest Entities	12 Months Ended
	Dec. 31, 2021
Variable Interest Entities [Abstract]
Variable Interest Entities	Note 18. Variable Interest Entities Under ASC 810, Pinnacle Financial is deemed to be the primary beneficiary and required to consolidate a variable interest entity (VIE) if it has a variable interest in the 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 to the VIE. ASC 810 requires continual reconsideration of conclusions reached regarding which interest holder is a VIE's primary beneficiary and disclosures surrounding those VIE's which have not been consolidated. The consolidation methodology provided in this footnote as of December 31, 2021 and 2020 has been prepared in accordance with ASC 810. Non-consolidated Variable Interest Entities At December 31, 2021, Pinnacle Financial did not have any consolidated VIEs to disclose but did have the following non-consolidated VIEs: low income housing partnerships, trust preferred issuances, commercial loan TDRs, and managed discretionary trusts. Since 2003, Pinnacle Financial has made equity investments as a limited partner in various partnerships that sponsor affordable housing projects. The purpose of these investments is to achieve a satisfactory return on capital and to support Pinnacle Financial's community reinvestment initiatives. The activities of the limited partnerships include the identification, development, and operation of multi-family housing that is leased to qualifying residential tenants generally within Pinnacle Financial's primary geographic region. Pinnacle Financial has invested in various limited 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 assist Pinnacle Bank in achieving its strategic plan associated with the Community Reinvestment Act and to achieve a satisfactory return on capital. The primary activities of the limited partnerships include the identification, development, and operation of multi-family housing that is leased to qualifying residential tenants. Generally, these types of investments are funded through a combination of debt and equity. Pinnacle Financial is a limited partner in each LIHTC limited partnership. Each limited partnership is managed by an unrelated third party general partner who exercises full control over the affairs of the limited partnership. The general partner has all the rights, powers and authority granted or permitted to be granted to a general partner of a limited partnership. Except for limited rights granted to the limited partner(s), the limited partner(s) may not participate in the operation, management, or control of the limited partnership’s business, transact any business in the limited partnership’s name or have any power to sign documents for or otherwise bind the limited partnership. In addition, the general partner may only be removed by the limited partner(s) in the event the general partner fails to comply with the terms of the agreement or is negligent in performing its duties. The partnerships related to affordable housing projects are considered VIEs because Pinnacle Financial, as the holder of the equity investment at risk, does not have the ability to direct the activities that most significantly affect the success of the entity through voting rights or similar rights. While Pinnacle Financial could absorb losses that are significant to these partnerships as it has a risk of loss for its initial capital contributions and funding commitments to each partnership, it is not considered the primary beneficiary of the partnerships as the general partners whose managerial functions give them the power to direct the activities that most significantly impact the partnerships' economic performance and who are exposed to all losses beyond Pinnacle Financial's initial capital contributions and funding commitments are considered the primary beneficiaries. Pinnacle Financial (or companies it has acquired) has previously issued subordinated debt totaling $133.0 million to certain statutory trusts which are considered VIEs because Pinnacle Financial's capital contributions to these trusts are not considered "at risk" in evaluating whether the holders of the equity investments at risk in the trusts have the power through voting rights or similar rights to direct the activities that most significantly impact the entities' economic performance. These trusts were not consolidated by Pinnacle Financial because the holders of the securities issued by the trusts absorb a majority of expected losses and residual returns. For certain troubled commercial loans, Pinnacle Financial restructures the terms of the borrower's debt in an effort to increase the probability of receipt of amounts contractually due. However, Pinnacle Financial does not assume decision-making power or responsibility over the borrower's operations. Following a debt restructuring, the borrowing entity typically meets the definition of a VIE as the initial determination of whether the entity is a VIE must be reconsidered and economic 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 Pinnacle Financial 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, Pinnacle Financial is exposed to potentially significant benefits and losses of the borrowing entity. Pinnacle Financial 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 to allow for completion of activities which prepare the collateral related to the debt for sale. Pinnacle Financial serves as manager over certain discretionary trusts, for which it makes investment decisions on behalf of the trusts' beneficiaries in return for a management fee. 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. However, since the management fees Pinnacle Financial receives are not considered variable interests in the trusts as all of the requirements related to permitted levels of decision maker fees are met, such VIEs are not consolidated by Pinnacle Financial because it cannot be the trusts' primary beneficiary. Pinnacle Financial has no contractual requirements to provide financial support to the trusts. The following table summarizes VIE's that are not consolidated by Pinnacle Financial as of December 31, 2021 and 2020 (in thousands): December 31, 2021 December 31, 2020 Type Maximum Liability Maximum Liability Classification Low Income Housing Partnerships $ 189,600 $ — $ 143,190 $ — Other Assets Trust Preferred Issuances N/A 132,995 N/A 132,995 Subordinated Debt Commercial TDRs 145 — 180 — Loans Managed Discretionary Trusts N/A N/A N/A N/A N/A

Regulatory Matters

Regulatory Matters	12 Months Ended
	Dec. 31, 2021
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]
Regulatory Matters	Note 19. Regulatory Matters Pursuant to Tennessee banking law, Pinnacle Bank may not, without the prior consent of the Commissioner of the Tennessee Department of Financial Institutions (TDFI), pay any dividends to Pinnacle Financial in a calendar year in excess of the total of Pinnacle Bank's retained net income for that year plus the retained net income for the preceding two In addition, the Federal Reserve has issued supervisory guidance advising bank holding companies to eliminate, defer or reduce dividends paid on common stock and other forms of Tier 1 capital where the company’s net income available to shareholders for the past four quarters, net of dividends previously paid during that period, is not sufficient to fully fund the dividends, the company’s prospective rate of earnings retention is not consistent with the company’s capital needs and overall current and prospective financial condition or the company will not meet, or is in danger of not meeting, minimum regulatory capital adequacy ratios. Recent supplements to this guidance reiterate the need for bank holding companies to inform their applicable reserve bank sufficiently in advance of the proposed payment of a dividend in certain circumstances. During the year ended December 31, 2021, Pinnacle Bank paid $99.8 million in dividends to Pinnacle Financial. As of December 31, 2021, Pinnacle Bank could pay approximately $876.2 million of additional dividends to Pinnacle Financial without prior approval of the Commissioner of the TDFI. Since the fourth quarter of 2013, Pinnacle Financial has paid a quarterly common stock dividend. The board of directors of Pinnacle Financial has increased the dividend amount per share over time. The most recent increase occurred on January 18, 2022, when the board of directors increased the dividend to $0.22 per share from $0.18 per share. During the second quarter of 2020, the firm successfully issued 9.0 million depositary shares, each representing a 1/40th fractional interest in a share of Series B noncumulative, perpetual preferred stock (the "Series B Preferred Stock") in a registered public offering to both retail and institutional investors. Beginning in the third quarter of 2020, Pinnacle Financial began paying a quarterly dividend of $16.88 per share (or $0.422 per depositary share), on the Series B Preferred Stock. The amount and timing of all future dividend payments by Pinnacle Financial, if any, including dividends on Pinnacle Financial's Series B Preferred Stock, is subject to discretion of Pinnacle Financial's board of directors and will depend on Pinnacle Financial's receipt of dividends from Pinnacle Bank, earnings, capital position, financial condition and other factors, including regulatory capital requirements, as they become known to Pinnacle Financial and receipt of any regulatory approvals that may become required as a result of each of Pinnacle Financial's or Pinnacle Bank's financial results. Pinnacle Financial and Pinnacle Bank are subject to various regulatory capital requirements administered by federal banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory, and possibly additional discretionary actions, by regulators that, if undertaken, could have a direct material effect on the financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, Pinnacle Financial and Pinnacle Bank must meet specific capital guidelines that involve quantitative measures of the assets, liabilities, and certain off-balance-sheet items as calculated under regulatory accounting practices. Pinnacle Financial's and Pinnacle Bank's capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings, and other factors. Quantitative measures established by regulation to ensure capital adequacy require Pinnacle Financial and its banking subsidiary to maintain minimum amounts and ratios of common equity Tier 1 capital to risk-weighted assets, Tier 1 capital to risk-weighted assets, total capital to risk-weighted assets and Tier 1 capital to average assets. As permitted by the interim final rule issued on March 27, 2020 by the federal banking regulatory agencies, each of Pinnacle Bank and Pinnacle Financial has elected the option to delay the estimated impact on regulatory capital of Pinnacle Financial's and Pinnacle Bank's adoption of ASU 2016-13, “Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments”, which was effective January 1, 2020. The initial impact of adoption of ASU 2016-13, as well as 25% of the quarterly increases in the allowance for credit losses subsequent to adoption of ASU 2016-13 (collectively the “transition adjustments”), was delayed through December 31, 2021. As of January 1, 2022, the cumulative amount of the transition adjustments of $68.0 million became fixed and will be phased out of the regulatory capital calculations evenly over a three year period, with 75% recognized in 2022, 50% recognized in 2023, and 25% recognized in 2024. Beginning January 1, 2025, the temporary regulatory capital benefits will be fully reversed. Management believes, as of December 31, 2021, that Pinnacle Financial and Pinnacle Bank met all capital adequacy requirements to which they are subject. To be categorized as well-capitalized under applicable banking regulations, Pinnacle Financial and Pinnacle Bank must maintain certain total, Tier 1, common equity Tier 1 and Tier 1 leverage capital ratios as set forth in the following table and not be subject to a written agreement, order or directive to maintain a higher capital level. The capital conservation buffer of 2.5% is not included in the required minimum ratios of the table presented below. Pinnacle Financial's and Pinnacle Bank's actual capital amounts and ratios are presented in the following table (in thousands): Actual Minimum Capital Minimum Amount Ratio Amount Ratio Amount Ratio December 31, 2021 Total capital to risk weighted assets: Pinnacle Financial $ 4,060,598 13.8 % $ 2,347,963 8.0 % $ 2,934,953 10.0 % Pinnacle Bank $ 3,670,111 12.6 % $ 2,334,243 8.0 % $ 2,917,804 10.0 % Tier 1 capital to risk weighted assets: Pinnacle Financial $ 3,425,751 11.7 % $ 1,760,972 6.0 % $ 2,347,963 8.0 % Pinnacle Bank $ 3,464,265 11.9 % $ 1,750,683 6.0 % $ 2,334,243 8.0 % Common equity Tier 1 capital: Pinnacle Financial $ 3,208,503 10.9 % $ 1,320,729 4.5 % N/A N/A Pinnacle Bank $ 3,464,142 11.9 % $ 1,313,012 4.5 % $ 1,896,573 6.5 % Tier 1 capital to average assets (*): Pinnacle Financial $ 3,425,751 9.7 % $ 1,412,747 4.0 % N/A N/A Pinnacle Bank $ 3,464,265 9.9 % $ 1,406,063 4.0 % $ 1,757,578 5.0 % December 31, 2020 Total capital to risk weighted assets: Pinnacle Financial $ 3,678,405 14.3 % $ 2,063,352 8.0 % $ 2,579,190 10.0 % Pinnacle Bank $ 3,259,538 12.7 % $ 2,055,892 8.0 % $ 2,569,865 10.0 % Tier 1 capital to risk weighted assets: Pinnacle Financial $ 2,803,541 10.9 % $ 1,547,514 6.0 % $ 2,063,352 8.0 % Pinnacle Bank $ 2,933,674 11.4 % $ 1,541,919 6.0 % $ 2,055,892 8.0 % Common equity Tier 1 capital: Pinnacle Financial $ 2,586,292 10.0 % $ 1,160,635 4.5 % N/A N/A Pinnacle Bank $ 2,933,551 11.4 % $ 1,156,439 4.5 % $ 1,670,412 6.5 % Tier 1 capital to average assets (*): Pinnacle Financial $ 2,803,541 8.6 % $ 1,298,756 4.0 % N/A N/A Pinnacle Bank $ 2,933,674 9.1 % $ 1,294,033 4.0 % $ 1,617,541 5.0 % (*) Average assets for the above calculations were based on the most recent quarter. As noted above, during the second quarter of 2020, Pinnacle Financial issued 9.0 million depositary shares, each representing a 1/40th interest in a share of Series B Preferred Stock in a registered public offering to both retail and institutional investors. Net proceeds from the transaction were approximately $217.1 million after deducting the underwriting discounts and offering expenses payable by Pinnacle Financial. The net proceeds were initially retained by Pinnacle Financial and the remaining net proceeds are available to support the capital needs of Pinnacle Financial and Pinnacle Bank, to support Pinnacle Financial's obligations, including interest payments on its outstanding indebtedness and dividend payments on the Series B Preferred Stock, and for other general corporate purposes.

Other Income and Expenses

Other Income and Expenses	12 Months Ended
	Dec. 31, 2021
Other Noninterest Income and Noninterest Expense [Abstract]
Other Income and Other Expense Disclosure	Note 20. Other Noninterest Income and Expense Other noninterest income and expense totals are more fully detailed in the following tables (in thousands). Any components of these totals exceeding 1% of the aggregate of total net interest income and total noninterest income for any of the years presented, as well as amounts Pinnacle Financial elected to present, are stated separately. Years ended 2021 2020 2019 Other noninterest income: Interchange and other consumer fees $ 57,263 $ 40,960 $ 36,158 Bank-owned life insurance 18,942 18,784 17,361 Loan swap fees 5,414 4,568 4,758 SBA loan sales 12,242 5,579 4,933 Income from other equity investments 23,109 1,072 2,789 Other noninterest income 12,839 11,940 4,838 Total other noninterest income $ 129,809 $ 82,903 $ 70,837 Other noninterest expense: Deposit related expenses $ 24,003 $ 24,392 $ 17,017 Lending related expenses 39,578 28,703 24,573 Wealth management related expenses 1,950 2,053 1,986 Audit, exam and insurance expense 11,259 10,596 9,194 FHLB restructuring charges — 15,168 — Administrative and other expenses 23,169 23,725 18,906 Total other noninterest expense $ 99,959 $ 104,637 $ 71,676

Parent Company Only Financial I

Parent Company Only Financial Information	12 Months Ended
	Dec. 31, 2021
Condensed Financial Information Disclosure [Abstract]
Parent Company Only Financial Information	Note 21. Parent Company Only Financial Information The following information presents the condensed balance sheets, statements of operations, and cash flows of Pinnacle Financial as of December 31, 2021 and 2020 and for each of the years in the three-year period ended December 31, 2021 (in thousands): CONDENSED BALANCE SHEETS 2021 2020 Assets: Cash and cash equivalents $ 184,654 $ 275,888 Investments in bank subsidiaries 5,329,003 4,972,160 Investments in consolidated subsidiaries 11,133 9,322 Investment in unconsolidated subsidiaries: Statutory Trusts 3,995 3,995 Other investments 156,292 113,445 Current income tax receivable 29,609 51,621 Other assets 24,930 25,747 $ 5,739,616 $ 5,452,178 Liabilities and stockholders' equity: Subordinated debt and other borrowings 423,172 541,286 Other liabilities 5,837 6,281 Stockholders' equity 5,310,607 4,904,611 $ 5,739,616 $ 5,452,178 CONDENSED STATEMENTS OF OPERATIONS 2021 2020 2019 Revenues: Income from bank subsidiaries $ 99,766 $ 119,065 $ 113,982 Income from nonbank subsidiaries 89 119 178 Income from equity method investment 33,169 22,587 24,298 Other income 14,945 3,861 3,485 Expenses: Interest expense 22,903 23,877 18,425 Personnel expense, including stock compensation 24,952 18,737 21,226 Other expense 2,697 2,905 1,496 Income before income taxes and equity in undistributed income of subsidiaries 97,417 100,113 100,796 Income tax benefit (3,088) (5,370) (4,457) Income before equity in undistributed income of subsidiaries 100,505 105,483 105,253 Equity in undistributed income of bank subsidiaries 424,978 205,327 294,354 Equity in undistributed income of nonbank subsidiaries 1,840 1,511 1,274 Net income $ 527,323 $ 312,321 $ 400,881 Preferred stock dividends 15,192 7,596 — Net income available to common shareholders $ 512,131 $ 304,725 $ 400,881 CONDENSED STATEMENTS OF CASH FLOWS 2021 2020 2019 Operating activities : Net income $ 527,323 $ 312,321 $ 400,881 Adjustments to reconcile net income to net cash provided by (used in) operating activities: Amortization and accretion 1,886 1,122 (3,094) Stock-based compensation expense 24,952 18,737 21,226 Increase (decrease) in income tax payable, net — (2,467) 2,467 Deferred tax expense (benefit) 2,850 3,876 (2,857) Income from equity method investments, net (33,169) (22,587) (24,298) Dividends received from equity method investment 12,214 9,251 8,953 Excess tax benefit from stock compensation (2,475) (417) (1,011) Gain on other investments, net (10,223) (195) (1,057) Decrease (increase) in other assets 19,478 (39,981) 7,295 Increase (decrease) in other liabilities 2,032 (764) 5,322 Equity in undistributed income of bank subsidiaries (424,978) (205,327) (294,354) Equity in undistributed income of nonbank subsidiaries (1,840) (1,511) (1,274) Net cash provided by operating activities 118,050 72,058 118,199 Investing activities : Investment in consolidated banking subsidiaries — — (180,000) Increase in other investments (11,668) (2,454) (1,411) Net cash used in investing activities (11,668) (2,454) (181,411) Financing activities : Proceeds from subordinated debt and other borrowings, net of issuance costs — (93) 316,078 Repayment of subordinated debt and other borrowings (120,000) (80,000) (49,880) Issuance of common stock pursuant to restricted stock unit agreement, net of shares withheld for taxes (3,790) (2,488) — Exercise of common stock options, net of shares surrendered for taxes (3,130) (2,577) (3,694) Issuance of preferred stock, net of issuance costs — 217,126 — Repurchase of common stock — (50,790) (61,416) Common dividends paid (55,504) (49,389) (49,828) Preferred stock dividends paid (15,192) (7,596) — Net cash provided by (used in) financing activities (197,616) 24,193 151,260 Net increase (decrease) in cash (91,234) 93,797 88,048 Cash and cash equivalents, beginning of year 275,888 182,091 94,043 Cash and cash equivalents, end of year $ 184,654 $ 275,888 $ 182,091 Pinnacle Bank is subject to restrictions on the payment of dividends to Pinnacle Financial under Tennessee banking laws. Pinnacle Bank paid dividends of $99.8 million, $119.1 million and $114.0 million, respectively, to Pinnacle Financial in each of the years ended December 31, 2021, 2020 and 2019.

Quarterly Financial Results (un

Quarterly Financial Results (unaudited)	12 Months Ended
	Dec. 31, 2021
Quarterly Financial Information Disclosure [Abstract]
Quarterly Financial Results (unaudited)	Note 22. Quarterly Financial Results (unaudited) A summary of selected consolidated quarterly financial data for each of the years in the three-year period ended December 31, 2021 follows: (in thousands, except per share data) First Second Third Fourth 2021 Interest income $ 251,917 $ 259,236 $ 260,868 $ 259,193 Net interest income 222,870 233,225 237,543 238,763 Provision for credit losses 7,235 2,834 3,382 2,675 Net income before taxes 153,648 162,458 169,405 166,394 Net income 125,428 131,790 136,577 133,528 Net income available to common shareholders 121,630 127,992 132,779 129,730 Basic net income per common share $ 1.61 $ 1.70 $ 1.76 $ 1.72 Diluted net income per common share $ 1.61 $ 1.69 $ 1.75 $ 1.71 2020 Interest income $ 263,069 $ 251,738 $ 249,188 $ 257,047 Net interest income 193,552 200,657 206,594 220,985 Provision for credit losses 105,045 72,832 16,758 9,180 Net income before taxes 26,691 73,674 137,049 133,944 Net income 28,356 62,444 110,645 110,876 Net income available to common shareholders 28,356 62,444 106,847 107,078 Basic net income per common share $ 0.37 $ 0.83 $ 1.42 $ 1.42 Diluted net income per common share $ 0.37 $ 0.83 $ 1.42 $ 1.42 2019 Interest income $ 257,883 $ 265,851 $ 275,749 $ 268,453 Net interest income 187,246 188,918 195,806 194,172 Provision for credit losses 7,184 7,195 8,260 4,644 Net income before taxes 117,074 124,719 137,224 118,520 Net income available to common shareholders 93,960 100,321 110,521 96,079 Basic net income per common share $ 1.22 $ 1.31 $ 1.45 $ 1.26 Diluted net income per common share $ 1.22 $ 1.31 $ 1.44 $ 1.26

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation — These consolidated financial statements include the accounts of Pinnacle Financial and its direct and indirect wholly-owned subsidiaries. Certain statutory trust affiliates of Pinnacle Financial, as noted in Note 9. Other Borrowings are included in these consolidated financial statements pursuant to the equity method of accounting. Significant intercompany transactions and accounts are eliminated in consolidation.
Use of Estimates	Use of Estimates — The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities as of the balance sheet dates and the reported amounts of revenues and expenses during the reporting periods. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term include the determination of the allowance for credit losses and the determination of any impairment of goodwill or intangible assets.
Impairment	Impairment — Long-lived assets, including purchased intangible assets subject to amortization, such as core deposit intangible assets, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized by the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of would be separately presented in the balance sheet and reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. Pinnacle Financial had $33.8 million and $42.3 million of long-lived intangibles at December 31, 2021 and 2020, respectively. Goodwill is evaluated for impairment at least annually and more frequently if events and circumstances indicate that the asset might be impaired. Accounting Standards Codification (ASC) 350, Intangibles - Goodwill and Other, provides an entity the option to first perform a qualitative assessment to determine whether it is more likely than not that the fair value of a reporting unit is less than its carrying amount. If an entity performs a qualitative assessment and determines it is necessary, or if a qualitative assessment is not performed, the entity is required to perform a one-step test to identify potential goodwill impairment and measure the amount of goodwill impairment loss to be recognized for that reporting unit (if any). If, based on a qualitative assessment, an entity determines that the fair value of a reporting unit is more than its carrying amount, the one-step goodwill impairment test is not required. Pinnacle Financial performed a qualitative assessment as of September 30, 2021 by examining changes in macroeconomic conditions, industry and market conditions, overall financial performance, cost factors and other relevant entity-specific events, including changes in the share price of Pinnacle Financial's common stock. The results of the qualitative assessment indicated that it was more likely than not that the estimated fair value of Pinnacle Financial's sole reporting unit exceeded its carrying value amount at September 30, 2021 and, therefore, no goodwill impairment was recorded. Should Pinnacle Financial's common stock price decline below book value per share and remain below book value per share for an extended duration or other impairment indicators become known, additional impairment testing of goodwill may be required. Should it be determined in a future period that the goodwill has become impaired, then a charge to earnings will be recorded in the period such determination is made. The following table presents activity for goodwill and other intangible assets (in thousands): Goodwill Core deposit and Total Balance at December 31, 2020 $ 1,819,811 $ 42,336 $ 1,862,147 Amortization — (8,518) (8,518) Balance at December 31, 2021 $ 1,819,811 $ 33,819 $ 1,853,630 The following table presents the gross carrying amount and accumulated amortization for the core deposit and other intangible assets (in thousands): December 31, 2021 December 31, 2020 Gross carrying amount $ 108,665 $ 108,665 Accumulated amortization (74,846) (66,329) Net book value $ 33,819 $ 42,336
Cash Equivalents and Cash Flows	Cash Equivalents and Cash Flows — Cash on hand, cash items in process of collection, amounts due from banks, Federal funds sold, short-term discount notes and securities purchased under agreements to resell, with original maturities within ninety days, are included in cash and cash equivalents. The following supplemental cash flow information addresses certain cash payments and noncash transactions for each of the years in the three-year period ended December 31, 2021 as follows (in thousands): For the years ended December 31, 2021 2020 2019 Cash Payments: Interest $ 110,119 $ 215,888 $ 287,272 Income taxes paid 108,304 110,798 86,960 Noncash Transactions: Loans charged-off to the allowance for credit losses 54,996 49,333 28,467 Loans foreclosed upon with repossessions transferred to other real estate 1,098 3,436 17,937 Loans foreclosed upon with repossessions transferred to other repossessed assets — 25 93 Other real estate sales financed — — 871 Fixed assets transferred to other real estate — — 8,182 Available-for-sale securities transferred to held-to-maturity portfolio — 873,613 — Right-of-use assets recognized in the period in exchange for lease obligations (1) 17,642 15,820 90,927 (1) Includes $79.9 million recognized upon initial adoption of ASU 2016-02 on January 1, 2019.
Securities	Securities — Securities are classified based on management's intention on the date of purchase. All debt securities classified as available-for-sale are recorded at fair value with any unrealized gains and losses reported in accumulated other comprehensive income (loss), net of the deferred income tax effects. Securities that Pinnacle Financial has both the positive intent and ability to hold to maturity are classified as held-to-maturity and are carried at historical cost and adjusted for amortization of premiums and accretion of discounts. Interest and dividends on securities, including amortization of premiums and accretion of discounts calculated under the effective interest method, are included in interest income. For certain securities, amortization of premiums and accretion of discounts is computed based on the anticipated life of the security which may be shorter than the stated life of the security. Realized gains and losses from the sale of securities are determined using the specific identification method and are recorded on the trade date of the sale.
Allowance for Credit Losses - Securities Held to Maturity	Allowance for Credit Losses - Securities Held-to-Maturity - Expected credit losses on debt securities classified as held-to-maturity are measured on a collective basis by major security type. Pinnacle has a zero loss expectation for certain securities within the portfolio, including U.S government agency securities and residential mortgage-backed securities issued by Ginnie Mae, Fannie Mae, and Freddie Mac, and accordingly, no allowance for credit losses is estimated for these securities. The remainder of the portfolio consists of municipal securities rated A or higher by the ratings agencies. The estimates of expected credit losses for the municipal securities are based on historical credit loss information that is adjusted for current conditions and reasonable and supportable forecasts. The credit models utilized rely on regression analyses to predict probability of default (PD) based on projected macroeconomic factors, including unemployment rates and gross domestic product (GDP), among others. A reasonable and supportable period of eighteen months and reversion period of twelve months is utilized to estimate credit losses on held-to-maturity municipal securities. The allowance is increased through provision for credit losses and decreased by charge-offs, net of recoveries of amounts previously charged-off.
Allowance for credit losses - Securities Available-for-sale	Allowance for Credit Losses - Securities Available-for-Sale - For any securities classified as available-for-sale that are in an unrealized loss position at the balance sheet date, Pinnacle Financial assesses whether or not it intends to sell the security, or more likely than not will be required to sell the security, before recovery of its amortized cost basis. If either criteria is met, the security's amortized cost basis is written down to fair value through net income. If neither criteria is met, Pinnacle Financial evaluates whether any portion of the decline in fair value is the result of credit deterioration. Such evaluations consider the extent to which the amortized cost of the security exceeds its fair value, changes in credit ratings and any other known adverse conditions related to the specific security. If the evaluation indicates that a credit loss exists, an allowance for credit losses is recorded through provisions for credit losses for the amount by which the amortized cost basis of the security exceeds the present value of cash flows expected to be collected, limited by the amount by which the amortized cost exceeds fair value. Any impairment not recognized in the allowance for credit losses is recognized in other comprehensive income.
Loans held-for-sale	Loans held-for-sale — Loans originated and intended for sale are carried at the lower of cost or estimated fair value as determined on a loan-by-loan basis. Net unrealized losses, if any, are recognized through a valuation allowance by charges to income. Realized gains and losses are recognized when legal title to the loans has been transferred to the purchaser and sales proceeds have been received and are reflected in the accompanying consolidated statement of income in gains on mortgage loans sold, net of related costs such as compensation expenses, for mortgage loans, and as a component of other noninterest income for commercial loans held-for-sale.
Loans	Loans — Pinnacle Financial uses the following loan segments for financial reporting purposes: owner occupied commercial real estate mortgage, non-owner occupied commercial real estate, consumer real estate mortgage, construction and land development, commercial and industrial and consumer and other. The appropriate classification is determined based on the underlying collateral utilized to secure each loan. These classifications are consistent with those utilized in the Quarterly Report of Condition and Income filed by Pinnacle Bank with the Federal Deposit Insurance Corporation (FDIC). Loans are reported at their outstanding principal balances, net of applicable purchase accounting and any deferred fees or costs on originated loans. Interest income on loans is accrued based on the principal balance outstanding. Loan origination fees, net of certain loan origination costs, are deferred and recognized as an adjustment to the related loan yield using a method which approximates the interest method. At December 31, 2021 and 2020, net deferred loan fees of $34.3 million and $53.2 million respectively, were included as a reduction to loans on the accompanying consolidated balance sheets. As part of our routine credit monitoring process, commercial loans receive risk ratings by the assigned financial advisor and are subject to validation by our independent loan review department. Risk ratings are categorized as pass, special mention, substandard, substandard-nonaccrual or doubtful-nonaccrual. Pinnacle Financial believes that its categories follow those outlined by the FDIC, Pinnacle Bank's primary federal regulator. At December 31, 2021, approximately 76.6% of Pinnacle Financial's loan portfolio was assigned a specifically assigned risk rating. Certain consumer loans and commercial relationships that possess certain qualifying characteristics, including individually smaller balances, are generally not assigned an individual risk rating but are evaluated collectively for credit risk as a homogeneous pool of loans and individually as either accrual or nonaccrual based on the performance of the loan. Additional substantial credit risk review procedures were performed during 2020 and 2021 to assess the impacts of the COVID-19 pandemic on the loan portfolio, and impacted loans have continued to be monitored throughout 2021 as part of the routine credit monitoring process. The results of these procedures are reflected in Pinnacle Financial's risk rating disclosures included in Note 5. Loans and Allowance for Credit Losses herein. Loans are placed on nonaccrual status when there is a significant deterioration in the financial condition of the borrower, which generally is the case but is not limited to when the principal or interest is more than 90 days past due, unless the loan is both well-secured and in the process of collection. All interest accrued but not collected for loans that are placed on nonaccrual status is reversed against current interest income. Interest income is subsequently recognized only if certain cash payments are received while the loan is classified as nonaccrual, but interest income recognition is reviewed on a case-by-case basis to determine if the payment should be applied to interest or principal pursuant to regulatory guidelines. A nonaccrual loan is returned to accruing status once the loan has been brought current as to principal and interest and collection is reasonably assured or the loan has been well-secured through other techniques. Loans are charged off when management believes that the full collectability of the loan is unlikely. As such, a loan may be partially charged-off after a "confirming event" has occurred which serves to validate that full repayment pursuant to the terms of the loan is unlikely.
Purchased Loans	Purchased loans, including loans acquired through a merger, are initially recorded at fair value on the date of purchase. At the time of acquisition, management evaluates all purchased loans using a variety of factors such as current classification or risk rating, past due status and history as a component of the fair value determination. For purchased loans that have not experienced more-than-insignificant credit deterioration since origination, management evaluates each reviewed loan using an internal grading system with a grade assigned to each loan at the date of acquisition. To the extent that any purchased loan is not specifically reviewed, such loan is assumed to have characteristics similar to the characteristics of the specifically reviewed acquired portfolio of purchased loans. Purchased loans that have experienced more than insignificant credit deterioration since origination ("purchased credit deteriorated loans") are individually evaluated by management to determine the estimated fair value of each loan. In determining the estimated fair value of such loans, management considers a number of factors including, among other things, the remaining life of the acquired loans, estimated prepayments, estimated loss ratios, estimated value of the underlying collateral, estimated holding periods, and net present value of cash flows expected to be received.
Credit Loss, Financial Instrument	Allowance for Credit Losses - Loans - Pinnacle Financial adopted FASB ASC 326 effective January 1, 2020, which requires the estimation of an allowance for credit losses in accordance with the Current Expected Credit Losses (CECL) methodology. Pinnacle Financial's management assesses the adequacy of the allowance on a quarterly basis. This assessment includes procedures to estimate the allowance and test the adequacy and appropriateness of the resulting balance. The level of the allowance is based upon management's evaluation of historical default and loss experience, current and projected economic conditions, asset quality trends, known and inherent risks in the portfolio, adverse situations that may affect the borrowers' ability to repay a loan (including the timing of future payments), the estimated value of any underlying collateral, composition of the loan portfolio, industry and peer bank loan quality indications and other pertinent factors, including regulatory recommendations. The level of the allowance for credit losses maintained by management is believed adequate to absorb all expected future losses inherent in the loan portfolio at the balance sheet date. The allowance is increased through provision for credit losses and decreased by charge-offs, net of recoveries of amounts previously charged-off. The allowance for credit losses is measured on a collective basis for pools of loans with similar risk characteristics. Pinnacle Financial has identified the following pools of financial assets with similar risk characteristics for measuring expected credit losses: • Owner occupied commercial real estate mortgage loans - Owner occupied commercial real estate mortgage loans are secured by commercial office buildings, industrial buildings, warehouses or retail buildings where the owner of the building occupies the property. For such loans, repayment is largely dependent upon the operation of the borrower's business. • Non-owner occupied commercial real estate loans - These loans represent investment real estate loans secured by office buildings, industrial buildings, warehouses, retail buildings, and multifamily residential housing. Repayment is primarily dependent on lease income generated from the underlying collateral. • Consumer real estate mortgage loans - Consumer real estate mortgage consists primarily of loans secured by 1-4 family residential properties, including home equity lines of credit. Repayment is primarily dependent on the personal cash flow of the borrower. • Construction and land development loans - Construction and land development loans include loans where the repayment is dependent on the successful completion and eventual sale, refinance or operation of the related real estate project. Construction and land development loans include 1-4 family construction projects and commercial construction endeavors such as warehouses, apartments, office and retail space and land acquisition and development. • Commercial and industrial loans - Commercial and industrial loans include loans to business enterprises issued for commercial, industrial and/or other professional purposes. These loans are generally secured by equipment, inventory, and accounts receivable of the borrower and repayment is primarily dependent on business cash flows. Loans granted under the PPP, which are fully guaranteed by the SBA, are included in this category. • Consumer and other loans - Consumer and other loans include all loans issued to individuals not included in the consumer real estate mortgage classification. Examples of consumer and other loans are automobile loans, consumer credit cards and loans to finance education, among others. Many consumer loans are unsecured. Repayment is primarily dependent on the personal cash flow of the borrower. For commercial real estate, consumer real estate, construction and land development, and commercial and industrial loans, Pinnacle Financial primarily utilizes a PD and loss given default (LGD) modeling approach. These models utilize historical correlations between default experience and certain macroeconomic factors as determined through a statistical regression analysis. All loan segments modeled using this approach consider changes in the national unemployment rate. In addition to the national unemployment rate, GDP and the three month treasury rate are considered for owner occupied commercial real estate, the commercial real estate price index and the five year treasury rate are considered for construction loans, and the three month treasury rate is considered for commercial and industrial loans. Projections of these macroeconomic factors, obtained from an independent third party, are utilized to predict quarterly rates of default based on the statistical PD models. Adjustments are made to predicted default rates as considered necessary for each loan segment based on other quantitative and qualitative information not utilized as a direct input into the statistical models. The predicted quarterly default rates are then applied to the estimated future exposure at default (EAD), as determined based on contractual amortization terms and estimated prepayments. An estimated LGD, determined based on historical loss experience, is applied to the quarterly defaulted balances for each loan segment to estimate future losses of the loan's amortized cost. Losses are predicted over a period of time determined to be reasonable and supportable, and at the end of the reasonable and supportable period losses are reverted to long term historical averages. The reasonable and supportable period and reversion period are re-evaluated each quarter by Pinnacle Financial and are dependent on the current economic environment among other factors. At December 31, 2021, a reasonable and supportable period of twenty-four months was utilized for all loan segments, followed by a twelve month straight line reversion to long term averages. For the consumer and other loan segment, a loss rate approach is utilized. For these loans, historical charge off rates are applied to projected future balances, as determined in the same manner as EAD for the statistically modeled loan segments. For credit cards, which have no amortization terms or contractual maturities and are unconditionally cancellable, future balances are estimated based on expected payment volume applied to the current balance. The estimated loan losses for all loan segments are adjusted for changes in qualitative factors not inherently considered in the quantitative analyses. The qualitative categories and the measurements used to quantify the risks within each of these categories are subjectively selected by management but measured by objective measurements period over period. The data for each measurement may be obtained from internal or external sources. The current period measurements are evaluated and assigned a factor commensurate with the current level of risk relative to past measurements over time. The resulting qualitative adjustments are applied to the relevant collectively evaluated loan portfolios. These adjustments are based upon quarterly trend assessments in portfolio concentrations, policy exceptions, associate retention, independent loan review results, collateral considerations, risk ratings, competition and peer group credit quality trends. The qualitative allowance allocation, as determined by the processes noted above, is increased or decreased for each loan segment based on the assessment of these various qualitative factors. Additional qualitative considerations are made for any identified risk which did not exist within our portfolio historically and therefore may not be adequately addressed through evaluation of such risk factor based on historical portfolio trends as previously discussed. Loans that do not share similar risk characteristics with the collectively evaluated pools are evaluated on an individual basis and are excluded from the collectively evaluated pools. Individual evaluations are generally performed for loans greater than $1.0 million which have experienced significant credit deterioration. Such loans are evaluated for credit losses based on either discounted cash flows or the fair value of collateral. When management determines that foreclosure is probable, expected credit losses are based on the fair value of the collateral, less selling costs. For loans for which foreclosure is not probable, but for which repayment is expected to be provided substantially through the operation or sale of the collateral, Pinnacle Financial has elected the practical expedient under ASC 326 to estimate expected credit losses based on the fair value of collateral, with selling costs considered in the event sale of the collateral is expected. Loans for which terms have been modified in a troubled-debt restructuring (TDR) are evaluated using these same individual evaluation methods. In the event the discounted cash flow method is used for a TDR, the original interest rate is used to discount expected cash flows. In assessing the adequacy of the allowance for credit losses, Pinnacle Financial considers the results of Pinnacle Financial's ongoing independent loan review process. Pinnacle Financial undertakes this process both to ascertain those loans in the portfolio with elevated credit risk and to assist in its overall evaluation of the risk characteristics of the entire loan portfolio. Its loan review process includes the judgment of management, independent internal loan reviewers and reviews that may have been conducted by third-party reviewers including regulatory examiners. Pinnacle Financial incorporates relevant loan review results in the allowance. In accordance with CECL, losses are estimated over the remaining contractual terms of loans, adjusted for prepayments. The contractual term excludes expected extensions, renewals and modifications unless management has a reasonable expectation at the reporting date that a TDR will be executed or such renewals, extensions or modifications are included in the original loan agreement and are not unconditionally cancellable by Pinnacle Financial. Credit losses are estimated on the amortized cost basis of loans, which includes the principal balance outstanding, purchase discounts and premiums, deferred loan fees and costs and accrued interest receivable. Accrued interest receivable is presented separately on the balance sheets and as allowed under ASU 2016-13 is excluded from the tabular loan disclosures in Note 5. While policies and procedures used to estimate the allowance for credit losses, as well as the resultant provision for credit losses charged to income, are considered adequate by management and are reviewed periodically by regulators, model validators and internal audit, they are necessarily approximate and imprecise. There are factors beyond Pinnacle Financial's control, such as changes in projected economic conditions, real estate markets or particular industry conditions which may materially impact asset quality and the adequacy of the allowance for credit losses and thus the resulting provision for credit losses. Allowance for Credit Losses on Off Balance Sheet Credit Exposures — Pinnacle Financial estimates expected credit losses over the contractual term of obligations to extend credit, unless the obligation is unconditionally cancellable. The allowance for off balance sheet exposures is adjusted through the provision for credit losses. The estimates are determined based on the likelihood of funding during the contractual term and an estimate of credit losses subsequent to funding. Estimated credit losses on subsequently funded balances are based on the same assumptions as used to estimate credit losses on existing funded loans.
Transfers of Financial Assets	Transfers of Financial Assets — Transfers of financial assets are accounted for as sales when control over the assets has been surrendered or in the case of a loan participation, a portion of the asset has been surrendered and meets the definition of a "participating interest". Control over transferred assets is deemed to be surrendered when (1) the assets have been isolated from Pinnacle Financial, (2) the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets, and (3) Pinnacle Financial does not maintain effective control over the transferred assets through an agreement to repurchase them before maturity.
Premises and Equipment and Leaseholds	Premises and Equipment and Leaseholds — Premises and equipment are carried at cost less accumulated depreciation and amortization computed principally by the straight-line method over the estimated useful lives of the assets or the expected lease terms for leasehold improvements, whichever is shorter. Useful lives for all premises and equipment range between three Pinnacle Financial, or a subsidiary of Pinnacle Financial, is the lessee with respect to multiple office locations. At December 31, 2021, all such leases were being accounted for as operating leases within the accompanying consolidated financial statements, with the exception of one lease agreement classified as a finance lease. Pinnacle Financial recognizes right-of-use assets and lease liabilities reflecting the present value of future minimum lease payments under its lease agreements in accordance with Accounting Standards Update 2016-02, Leases.
Other Real Estate Owned	Other Real Estate Owned — Other real estate owned (OREO) represents real estate foreclosed upon or acquired by deed in lieu of foreclosure by Pinnacle Bank through loan defaults by customers as well as properties acquired in connection with the acquisition of BNC that had previously been held for future expansion but were transferred to OREO in 2019. Substantially all of these amounts relate to lots, homes and residential development projects that are either completed or are in various stages of construction for which Pinnacle Financial believes it has adequately supported the value recorded. Upon its acquisition by Pinnacle Bank, the property is recorded at fair value, based on appraised value, less selling costs estimated as of the date acquired. The difference from the loan balance related to the property, if any, is recognized as a charge-off through the allowance for credit losses. Additional OREO losses for subsequent downward valuation adjustments and expenses to maintain OREO are determined on a specific property basis and are included as a component of noninterest expense. Net gains or losses realized at the time of disposal are reflected in noninterest expense. Included in the accompanying consolidated balance sheet at December 31, 2021 and 2020 is $8.5 million and $12.4 million, respectively, of OREO with no related property-specific valuation allowances in either period. During the year ended December 31, 2021, Pinnacle Financial had a net foreclosed real estate benefit of $712,300 compared to net foreclosed real estate expense of $8.6 million and $4.2 million, respectively, during the years ended December 31, 2020 and 2019.
Other Assets	Other Assets — Included in other assets as of December 31, 2021 and 2020, is approximately $5.1 million and $4.5 million, respectively, of computer software related assets, net of amortization. This software supports Pinnacle Financial's primary data systems and relates to amounts paid to vendors for installation and development of such systems. These amounts are amortized on a straight-line basis over periods of three Pinnacle Financial is required to maintain certain minimum levels of equity investments with certain regulatory and other entities in which Pinnacle Bank has outstanding borrowings, including the Federal Home Loan Bank of Cincinnati. At December 31, 2021 and 2020, the cost of these investments was $67.8 million and $80.4 million, respectively. Pinnacle Financial determined that cost approximates the fair value of these investments. Additionally, Pinnacle Financial has recorded certain investments in other non-public entities and funds at fair value, of $101.0 million and $47.8 million at December 31, 2021 and 2020, respectively. During 2021, 2020 and 2019, Pinnacle Financial recorded net gains of $23.1 million, $1.1 million and $2.8 million, respectively, on these investments due to changes in their fair value. Pinnacle Financial has an investment in twelve statutory business trusts valued at $4.0 million as of December 31, 2021. The statutory business trusts were established to issue preferred securities, the dividends for which are paid with interest payments Pinnacle Financial makes on subordinated debentures it issued to the statutory business trusts. Pinnacle Bank is the owner and beneficiary of various life insurance policies on certain key executives and certain current and former directors and associates, including policies that were acquired in mergers. Collectively, these policies are reflected in other assets in the accompanying consolidated balance sheets at their respective cash surrender values. At December 31, 2021 and 2020, the aggregate cash surrender value of these policies was approximately $761.9 million and $743.9 million, respectively. Noninterest income related to these policies was $18.9 million, $18.8 million, and $17.4 million, during the years ended December 31, 2021, 2020 and 2019, respectively. Also, as part of our compliance with the Community Reinvestment Act (CRA), we have investments in low income housing entities totaling $189.6 million and $143.2 million, net, as of December 31, 2021 and 2020, respectively. Included in our CRA investments are investments of $116.2 million and $90.2 million at December 31, 2021 and 2020, respectively, net of amortization, that qualify for federal low income housing tax credits. The investments are accounted for under the proportional amortization method. Under the proportional amortization method, the initial cost of the investment is amortized in proportion to the tax credits and other tax benefits received. The amortization and benefits are recognized as a component of income tax expense in the consolidated statements of income. The investments are recorded using the cost method.
Derivative Instruments	Derivative Instruments — In accordance with ASC Topic 815, Derivatives and Hedging , all derivative instruments are recorded on the accompanying consolidated balance sheet at their respective fair values. The accounting for changes in fair value (i.e., gains or losses) of a derivative instrument depends on whether it has been designated and qualifies as part of a hedging relationship. If the derivative instrument is not designated as a hedge, changes in the fair value of the derivative instrument are recognized in earnings in the period of change. Pinnacle Financial enters into interest rate swaps (swaps) to facilitate customer transactions and meet their financing needs. Upon entering into these instruments to meet customer needs, Pinnacle Financial enters into offsetting positions with large U.S. financial institutions in order to minimize the risk to Pinnacle Financial. These swaps are derivatives, but are not designated as hedging instruments. Pinnacle Financial enters into forward cash flow hedge relationships in the form of interest rate swap agreements to manage its future interest rate exposure. These derivative contracts have been designated as a hedge and, as such, changes in the fair value of the derivative instrument are recorded in other comprehensive income. Pinnacle Financial also enters into fair value hedge relationships to mitigate the effect of changing interest rates on the fair values of fixed rate securities and loans. The gain or loss on the derivative instrument as well as the offsetting loss or gain on the hedged asset or liability attributable to the hedged risk are recognized in current earnings. The gain or loss on the derivative instrument is presented on the same income statement line item as the earnings effect of the hedged item. Pinnacle Financial prepares written hedge documentation for all derivatives which are designated as hedges. The written hedge documentation includes identification of, among other items, the risk management objective, hedging instrument, hedged item and methodologies for assessing and measuring hedge effectiveness and ineffectiveness, along with support for management's assertion that the hedge will be highly effective. For designated hedging relationships, Pinnacle Financial performs retrospective and prospective effectiveness testing using quantitative methods where required by accounting standards. For certain hedging relationships, effectiveness is tested through the matching of critical terms. Assessments of hedge effectiveness and measurements of hedge ineffectiveness are performed at least quarterly. The portion of the changes in the fair value of a derivative that is highly effective and that has been designated and qualifies as a cash flow hedge is initially recorded in accumulated other comprehensive income (AOCI) and will be reclassified to earnings in the same period that the hedged item impacts earnings; any ineffective portion is recorded in current period earnings. Hedge accounting ceases on transactions that are no longer deemed effective, or for which the derivative has been terminated or de-designated.
Securities Sold Under Agreements to Repurchase	Securities Sold Under Agreements to Repurchase — Pinnacle Financial routinely sells securities to certain treasury management customers and then repurchases these securities the next day. Securities sold under agreements to repurchase are reflected as a secured borrowing in the accompanying consolidated balance sheets at the amount of cash received in connection with each transaction.
Income Taxes	Income Taxes — ASC 740, Income Taxes , defines the threshold for recognizing the benefits of tax return positions in the financial statements as "more-likely-than-not" to be sustained by the taxing authority. ASC 740 also provides guidance on the derecognition, measurement and classification of income tax uncertainties, along with any related interest and penalties, and includes guidance concerning accounting for income tax uncertainties in interim periods. Deferred tax assets and liabilities are the expected future tax amounts for the temporary differences between carrying amounts and tax bases of assets and liabilities, computed using enacted tax rates. The net deferred tax asset is reflected as a component of other assets on the consolidated balance sheet. A valuation allowance is required for deferred tax assets if, based on available evidence, it is more likely than not that all or some portion of the asset may not be realized due to the inability to generate sufficient taxable income in the period and/or of the character necessary to utilize the benefit of the deferred tax asset. Income tax expense or benefit for the year is allocated among continuing operations and other comprehensive income (loss), as applicable. The amount allocated to continuing operations is the income tax effect of the pretax income or loss from continuing operations that occurred during the year, plus or minus income tax effects of (i) changes in certain circumstances that cause a change in judgment about the realization of deferred tax assets in future years, including the valuation of deferred tax assets due to changes in enacted income tax rates (ii) changes in income tax laws or rates, and (iii) changes in income tax status, subject to certain exceptions. The amount allocated to other comprehensive income (loss) is related solely to changes in the valuation allowance on items that are normally accounted for in other comprehensive income (loss) such as unrealized gains or losses on available-for-sale securities. In accordance with ASC 740-10, Accounting for Uncertainty in Income Taxes , uncertain tax positions are recognized if it is more likely than not, based on technical merits, that the tax position will be realized or sustained upon examination. The term more likely than not means a likelihood of more than 50 percent; the terms realized or sustained upon examination also include resolution of the related appeals or litigation processes, if any. A tax position that meets the more likely than not recognition threshold is initially and subsequently measured as the largest amount of tax benefit that has a greater than 50 percent likelihood of being realized upon settlement with a taxing authority that has full knowledge of all relevant information. The determination of whether or not a tax position has met the more likely than not recognition threshold considers the facts, circumstances and information available at the reporting date. Pinnacle Financial and its subsidiaries file consolidated U.S. Federal and state income tax returns. Each entity provides for income taxes based on its contribution to income or loss of the consolidated group. Pinnacle Financial has a Real Estate Investment Trust subsidiary that files a separate federal tax return, but its income is included in the consolidated group's return as required by the federal tax laws. Pinnacle Financial remains open to audit under the statute of limitations by the IRS and the states in which Pinnacle operates for the years ended December 31, 2018 through 2021. Pinnacle Financial's policy is to recognize interest and/or penalties related to income tax matters in income tax expense. No interest and penalties were recorded for the year ended December 31, 2021. Pinnacle Financial recognized $571,000 in interest and penalties for the year ended December 31, 2020. No interest and penalties were recorded for the year ended December 31, 2019.
Income Per Common Share	Income Per Common Share — Basic net income per common share (EPS) is computed by dividing net income available to common shareholders by the weighted average common shares outstanding for the period. Diluted EPS reflects the dilution that could occur if securities or other contracts to issue common stock were exercised or converted. The difference between basic and diluted weighted average common shares outstanding is attributable to common stock options, restricted share awards, and restricted share unit awards, including those with performance-based vesting provisions. The dilutive effect of outstanding options, restricted share awards, and restricted share unit awards is reflected in diluted EPS by application of the treasury stock method. As of December 31, 2021, there were 56,147 stock options outstanding to purchase common shares. For the years ended December 31, 2021, 2020 and 2019, respectively, 458,808, 277,896 and 399,600 of dilutive stock options, dilutive restricted shares and restricted share units were included in the diluted earnings per share calculation under the treasury stock method. For the years ended December 31, 2021, 2020 and 2019, there were 32,684, 394,593 and 160,492 respectively, restricted shares excluded from the calculation because they were deemed to be antidilutive. The following is a summary of the basic and diluted earnings per share calculation for each of the years in the three-year period ended December 31, 2021 (dollars in thousands except earnings per share): December 31, 2021 December 31, 2020 December 31, 2019 Basic earnings per common share calculation: Numerator - Net income available to common shareholders $ 512,131 $ 304,725 $ 400,881 Denominator – Weighted average common shares outstanding 75,468,339 75,376,489 76,364,303 Basic net income per common share $ 6.79 $ 4.04 $ 5.25 Diluted earnings per common share calculation: Numerator - Net income available to common shareholders $ 512,131 $ 304,725 $ 400,881 Denominator – Weighted average common shares outstanding 75,468,339 75,376,489 76,364,303 Dilutive shares contingently issuable 458,808 277,896 399,600 Weighted average diluted common shares outstanding 75,927,147 75,654,385 76,763,903 Diluted net income per common share $ 6.75 $ 4.03 $ 5.22
Stock-Based Compensation	Stock-Based Compensation — Stock-based compensation expense is recognized based on the fair value of the portion of stock-based payment awards that are ultimately expected to vest, reduced for estimated forfeitures. ASC 718-20, Compensation – Stock Compensation Awards Classified as Equity, allows forfeitures to be estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. Service based awards with multiple vesting periods are expensed over the entire requisite period as if the award were a single award. For awards with performance vesting criteria, anticipated performance is projected to determine the number of awards expected to vest, and the corresponding aggregate expense is adjusted to reflect the elapsed portion of the applicable performance period.
Comprehensive Income (Loss)	Comprehensive Income (Loss) — Comprehensive income (loss) consists of the total of all components of comprehensive income (loss) including net income (loss). Other comprehensive income (loss) refers to revenues, expenses, gains and losses that under U.S. GAAP are included in comprehensive income (loss) but excluded from net income (loss). As of December 31, 2021, 2020 and 2019, Pinnacle Financial's other comprehensive income (loss) consists primarily of unrealized gains and losses on securities available-for-sale, net of deferred tax expense (benefit) and unrealized gains (losses) on derivative hedging relationships.
Fair Value Measurement	Fair Value Measurement — ASC Topic 820, Fair Value Measurements and Disclosures , which defines fair value, establishes a framework for measuring fair value in U.S. GAAP and established required disclosures about fair value measurements. ASC 820 applies only to fair value measurements that are already required or permitted by other accounting standards and increases the consistency of those measurements. The definition of fair value focuses on the exit price, i.e., 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, not the entry price, (i.e., the price that would be paid to acquire the asset or received to assume the liability at the measurement date). The statement emphasizes that fair value is a market-based measurement; not an entity-specific measurement. Therefore, the fair value measurement should be determined based on the assumptions that market participants would use in pricing the asset or liability. Pinnacle Financial has an established process for determining fair values. Fair value is based upon quoted market prices, where available. If listed prices or quotes are not available, fair value is based upon internally developed models or processes that use primarily market-based or independently-sourced market data, including interest rate yield curves, option volatilities and third party information such as prices of similar assets or liabilities. Valuation adjustments may be made to ensure that financial instruments are recorded at fair value. Furthermore, while Pinnacle Financial believes its valuation methods are appropriate and consistent with other market participants, the use of different methodologies or assumptions to determine the fair value of certain financial instruments could result in a different estimate of fair value at the reporting date.
Recently Adopted Accounting Pronouncements	Recently Adopted Accounting Pronouncements — In January 2020, the FASB issued Accounting Standards Update 2020-01, Investments-Equity Securities (Topic 321), Investments-Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815) - Clarifying the Interactions between Topic 321, Topic 323, and Topic 815. These amendments, among other things, clarify that a company should consider observable transactions that require a company to either apply or discontinue the equity method of accounting under Topic 323, Investments-Equity Method and Joint Ventures, for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. The amendments also clarify that when determining the accounting for certain forward contracts and purchased options a company should not consider, whether upon settlement or exercise, if the underlying securities would be accounted for under the equity method or fair value option. The guidance is effective for public business entities for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020. An entity should apply ASU 2020-01 prospectively at the beginning of the interim period that includes the adoption date. The amendments became effective for Pinnacle Financial on January 1, 2021 and had no impact on Pinnacle Financial's consolidated financial statements. In December 2019, the FASB issued Accounting Standards Update 2019-12, Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes to simplify various aspects of the current guidance to promote consistent application of the standard among reporting entities by moving certain exceptions to the general principles. The amendments are effective for fiscal years beginning after December 15, 2020. The amendments became effective for Pinnacle Financial on January 1, 2021 and had no impact on Pinnacle Financial's consolidated financial statements. In March 2020, the FASB issued Accounting Standards Update 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting , and has issued subsequent amendments thereto, which provides temporary optional guidance to ease the potential burden in accounting for reference rate reform. The ASU provides optional expedients and exceptions for applying generally accepted accounting principles to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another reference rate expected to be discontinued. It is intended to help stakeholders during the global market-wide reference rate transition period. The guidance is effective for all entities as of March 12, 2020 through December 31, 2022. Pinnacle Financial is implementing a transition plan to identify and modify its loans and other financial instruments, including certain indebtedness, with attributes that are either directly or indirectly influenced by LIBOR. Pinnacle Financial is assessing ASU 2020-04 and its impact on the transition away from LIBOR for its loans and other financial instruments. Beginning in 2022, Pinnacle Financial no longer utilizes LIBOR as a reference rate for new or renewed loans with its borrowers.
Newly Issued not yet Effective Accounting Standards	Newly Issued Not Yet Effective Accounting Standards — Other than those pronouncements discussed above which have been recently adopted, Pinnacle Financial does not believe there were any other recently issued accounting pronouncements that are expected to materially impact its consolidated financial statements.
Reclassifications	Reclassifications — Some items in the prior year financial statements were reclassified to conform to the current presentation. Reclassifications had no effect on prior year net income or stockholders' equity.
Subsequent Events	Subsequent Events — ASC Topic 855, Subsequent Events, establishes general standards of accounting for and disclosure of events that occur after the balance sheet date but before financial statements are issued. Pinnacle Financial evaluated all events or transactions that occurred after December 31, 2021 through the date of the issued financial statements. On January 1, 2022, Pinnacle Financial transferred, at fair value, $1.1 billion of securities from the available-for-sale portfolio to the held-to-maturity portfolio. The related net unrealized after tax losses of $1.5 million remained in accumulated other comprehensive income (loss) and will be amortized over the remaining lives of the securities, offsetting the related amortization of discount or accretion of premium on the transferred securities. No gains or losses were recognized at the time of the transfer.

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Dec. 31, 2021
Accounting Policies [Abstract]
Activity for Goodwill and Other Intangible Assets	The following table presents activity for goodwill and other intangible assets (in thousands): Goodwill Core deposit and Total Balance at December 31, 2020 $ 1,819,811 $ 42,336 $ 1,862,147 Amortization — (8,518) (8,518) Balance at December 31, 2021 $ 1,819,811 $ 33,819 $ 1,853,630
Gross Carrying Amount and Accumulated Amortization for the Core Deposit and Other Intangible Assets	The following table presents the gross carrying amount and accumulated amortization for the core deposit and other intangible assets (in thousands): December 31, 2021 December 31, 2020 Gross carrying amount $ 108,665 $ 108,665 Accumulated amortization (74,846) (66,329) Net book value $ 33,819 $ 42,336
Supplemental Cash Flow Information	Cash Equivalents and Cash Flows — Cash on hand, cash items in process of collection, amounts due from banks, Federal funds sold, short-term discount notes and securities purchased under agreements to resell, with original maturities within ninety days, are included in cash and cash equivalents. The following supplemental cash flow information addresses certain cash payments and noncash transactions for each of the years in the three-year period ended December 31, 2021 as follows (in thousands): For the years ended December 31, 2021 2020 2019 Cash Payments: Interest $ 110,119 $ 215,888 $ 287,272 Income taxes paid 108,304 110,798 86,960 Noncash Transactions: Loans charged-off to the allowance for credit losses 54,996 49,333 28,467 Loans foreclosed upon with repossessions transferred to other real estate 1,098 3,436 17,937 Loans foreclosed upon with repossessions transferred to other repossessed assets — 25 93 Other real estate sales financed — — 871 Fixed assets transferred to other real estate — — 8,182 Available-for-sale securities transferred to held-to-maturity portfolio — 873,613 — Right-of-use assets recognized in the period in exchange for lease obligations (1) 17,642 15,820 90,927 (1) Includes $79.9 million recognized upon initial adoption of ASU 2016-02 on January 1, 2019.
Basic and Diluted Earnings Per Share Calculations	The following is a summary of the basic and diluted earnings per share calculation for each of the years in the three-year period ended December 31, 2021 (dollars in thousands except earnings per share): December 31, 2021 December 31, 2020 December 31, 2019 Basic earnings per common share calculation: Numerator - Net income available to common shareholders $ 512,131 $ 304,725 $ 400,881 Denominator – Weighted average common shares outstanding 75,468,339 75,376,489 76,364,303 Basic net income per common share $ 6.79 $ 4.04 $ 5.25 Diluted earnings per common share calculation: Numerator - Net income available to common shareholders $ 512,131 $ 304,725 $ 400,881 Denominator – Weighted average common shares outstanding 75,468,339 75,376,489 76,364,303 Dilutive shares contingently issuable 458,808 277,896 399,600 Weighted average diluted common shares outstanding 75,927,147 75,654,385 76,763,903 Diluted net income per common share $ 6.75 $ 4.03 $ 5.22

Equity method investment (Table

Equity method investment (Tables)	12 Months Ended
	Dec. 31, 2021
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investments	The following summary of BHG's financial position and results of operations as of December 31, 2021 and 2020 and for the years ended December 31, 2021, 2020 and 2019 are presented as unaudited due to BHG's fiscal year end being September 30 (in thousands): Banker's Healthcare Group December 31, 2021 December 31, 2020 Assets $ 2,724,542 $ 1,330,317 Liabilities $ 2,355,256 $ 1,088,135 Equity interests 369,286 242,182 Total liabilities and equity $ 2,724,542 $ 1,330,317 For the year ended December 31, 2021 2020 2019 Revenues $ 735,506 $ 457,928 $ 366,500 Net income, pre-tax $ 241,051 $ 171,964 $ 182,462

Securities (Tables)

Securities (Tables)	12 Months Ended
	Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract]
Debt Securities, Available-for-sale	The amortized cost and fair value of securities available-for-sale and held-to-maturity at December 31, 2021 and 2020 are summarized as follows (in thousands): Amortized Cost Gross Gross Fair December 31, 2021 Securities available-for-sale: U.S Treasury securities $ 194,490 $ — $ 881 $ 193,609 U.S. Government agency securities 634,611 2,359 4,961 632,009 Mortgage-backed securities 1,908,675 29,874 18,310 1,920,239 State and municipal securities 1,774,119 52,961 3,243 1,823,837 Asset-backed securities 232,294 60 2,785 229,569 Corporate notes 114,355 3,082 2,506 114,931 $ 4,858,544 $ 88,336 $ 32,686 $ 4,914,194 Securities held-to-maturity: U.S. Government agency securities 11,920 — 37 11,883 Mortgage-backed securities 106,555 86 196 106,445 State and municipal securities 1,037,644 32,966 889 1,069,721 $ 1,156,119 $ 33,052 $ 1,122 $ 1,188,049 Allowance for credit losses - securities held-to-maturity (161) Securities held-to-maturity, net of allowance for credit losses $ 1,155,958 December 31, 2020 Securities available-for-sale: U.S Treasury securities $ 82,199 $ 10 $ — $ 82,209 U.S. Government agency securities 74,916 1,547 60 76,403 Mortgage-backed securities 1,623,759 67,759 2,327 1,689,191 State and municipal securities 1,411,288 44,559 12,484 1,443,363 Asset-backed securities 177,878 715 657 177,936 Corporate notes 117,256 2,632 2,309 117,579 $ 3,487,296 $ 117,222 $ 17,837 $ 3,586,681 Securities held-to-maturity: State and municipal securities 1,028,550 38,272 291 1,066,531 $ 1,028,550 $ 38,272 $ 291 $ 1,066,531 Allowance for credit losses - securities held-to-maturity (191) Securities held-to-maturity, net of allowance for credit losses $ 1,028,359
Amortized Cost and Fair Value of Debt Securities by Contractual Maturity	The amortized cost and fair value of debt securities as of December 31, 2021 by contractual maturity are shown below. Actual maturities may differ from contractual maturities of mortgage-backed securities since the mortgages underlying the securities may be called or prepaid with or without penalty. Therefore, these securities are not included in the maturity categories in the following summary (in thousands): Available-for-sale Held-to-maturity Amortized Fair Amortized Fair Due in one year or less $ 103,578 $ 103,533 $ — $ — Due in one year to five years 320,844 321,710 13,330 13,342 Due in five years to ten years 507,968 513,643 5,648 5,728 Due after ten years 1,785,185 1,825,500 1,030,586 1,062,534 Mortgage-backed securities 1,908,675 1,920,239 106,555 106,445 Asset-backed securities 232,294 229,569 — — $ 4,858,544 $ 4,914,194 $ 1,156,119 $ 1,188,049
Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value	At December 31, 2021 and 2020, included in securities were the following investments with unrealized losses. The information below classifies these investments according to the term of the unrealized loss of less than twelve months or twelve months or longer (in thousands): Investments with an Unrealized Loss of Investments with an Total Investments Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized December 31, 2021 U.S. Treasury securities $ 178,610 $ 881 $ — $ — $ 178,610 $ 881 U.S. Government agency securities 365,833 3,024 54,266 1,974 420,099 4,998 Mortgage-backed securities 825,664 11,859 178,956 6,647 1,004,620 18,506 State and municipal securities 363,102 2,665 57,270 1,045 420,372 3,710 Asset-backed securities 198,349 2,595 6,513 190 204,862 2,785 Corporate notes 14,991 554 20,270 1,952 35,261 2,506 Total temporarily-impaired securities $ 1,946,549 $ 21,578 $ 317,275 $ 11,808 $ 2,263,824 $ 33,386 December 31, 2020 U.S. Treasury securities $ — $ — $ — $ — $ — $ — U.S. Government agency securities 9,962 38 6,091 22 16,053 60 Mortgage-backed securities 165,696 1,772 35,997 555 201,693 2,327 State and municipal securities 175,115 2,220 345,435 10,264 520,550 12,484 Asset-backed securities 46,399 207 52,840 450 99,239 657 Corporate notes 9,978 40 23,920 2,269 33,898 2,309 Total temporarily-impaired securities $ 407,150 $ 4,277 $ 464,283 $ 13,560 $ 871,433 $ 17,837

Loans and Allowance for Loan Lo

Loans and Allowance for Loan Losses (Tables)	12 Months Ended
	Dec. 31, 2021
Receivables [Abstract]
Schedule of Accounts, Notes, Loans and Financing Receivable	Loans at December 31, 2021 and 2020 were as follows (in thousands): December 31, 2021 December 31, 2020 Commercial real estate: Owner-occupied $ 3,048,822 $ 2,802,227 Non-owner occupied 5,221,704 5,203,384 Consumer real estate – mortgage 3,680,684 3,099,172 Construction and land development 2,903,017 2,901,746 Commercial and industrial 8,074,546 8,038,457 Consumer and other 485,489 379,515 Subtotal $ 23,414,262 $ 22,424,501 Allowance for credit losses (263,233) (285,050) Loans, net $ 23,151,029 $ 22,139,451
Summary of Amount of Each Loan Classification, Categorized into Each Risk Rating Class	The table below presents loan balances classified within each risk rating category by primary loan type and based on year of origination or most recent renewal as of December 31, 2021 (in thousands): December 31, 2021 2021 2020 2019 2018 2017 Prior Revolving Loans Total Commercial real estate- owner occupied Pass $ 951,693 $ 732,232 $ 390,068 $ 327,933 $ 190,395 $ 294,150 $ 72,222 $ 2,958,693 Special Mention 9,462 21,875 21,633 2,246 6,952 3,806 5,885 71,859 Substandard (1) 3,976 1,349 5,823 219 3,626 582 — 15,575 Substandard-nonaccrual 651 70 397 982 395 200 — 2,695 Doubtful-nonaccrual — — — — — — — — Total Commercial real estate - owner occupied $ 965,782 $ 755,526 $ 417,921 $ 331,380 $ 201,368 $ 298,738 $ 78,107 $ 3,048,822 Commercial real estate- Non-owner occupied Pass $ 1,662,320 $ 915,986 $ 826,859 $ 428,119 $ 353,775 $ 454,916 $ 72,744 $ 4,714,719 Special Mention 94,183 288,608 43,925 8,917 26,295 27,937 — 489,865 Substandard (1) 1,676 8,050 1,353 2,939 1,698 — — 15,716 Substandard-nonaccrual — — — 501 — 903 — 1,404 Doubtful-nonaccrual — — — — — — — — Total Commercial real estate - Non-owner occupied $ 1,758,179 $ 1,212,644 $ 872,137 $ 440,476 $ 381,768 $ 483,756 $ 72,744 $ 5,221,704 Consumer real estate – mortgage Pass $ 1,231,491 $ 576,608 $ 306,762 $ 189,715 $ 110,420 $ 284,642 $ 964,902 $ 3,664,540 Special Mention 120 — — 688 — 752 — 1,560 Substandard (1) — 864 — — — 1,817 1,640 4,321 Substandard-nonaccrual 188 699 4,469 704 209 3,540 454 10,263 Doubtful-nonaccrual — — — — — — — — Total Consumer real estate – mortgage $ 1,231,799 $ 578,171 $ 311,231 $ 191,107 $ 110,629 $ 290,751 $ 966,996 $ 3,680,684 Construction and land development Pass $ 1,584,155 $ 802,059 $ 406,645 $ 72,112 $ 12,290 $ 2,873 $ 9,495 $ 2,889,629 Special Mention 3,049 883 8,908 — — — — 12,840 Substandard (1) — — 11 18 — 163 — 192 Substandard-nonaccrual — — 229 — — 127 — 356 Doubtful-nonaccrual — — — — — — — — Total Construction and land development $ 1,587,204 $ 802,942 $ 415,793 $ 72,130 $ 12,290 $ 3,163 $ 9,495 $ 2,903,017 Commercial and industrial Pass $ 3,321,855 $ 811,693 $ 559,902 $ 265,516 $ 105,454 $ 127,880 $ 2,694,814 $ 7,887,114 Special Mention 14,447 4,428 37,496 7,043 1,197 383 31,794 96,788 Substandard (1) 18,752 447 5,222 11,997 3,444 17 33,916 73,795 Substandard-nonaccrual 298 11,831 353 403 95 349 3,520 16,849 Doubtful-nonaccrual — — — — — — — — Total Commercial and industrial $ 3,355,352 $ 828,399 $ 602,973 $ 284,959 $ 110,190 $ 128,629 $ 2,764,044 $ 8,074,546 December 31, 2021 2021 2020 2019 2018 2017 Prior Revolving Loans Total Consumer and other Pass $ 196,605 $ 82,103 $ 5,977 $ 2,235 $ 2,099 $ 1,534 $ 194,934 $ 485,487 Special Mention — — — — — — — — Substandard (1) — — — — — — — — Substandard-nonaccrual — — — — — — 2 2 Doubtful-nonaccrual — — — — — — — — Total Consumer and other $ 196,605 $ 82,103 $ 5,977 $ 2,235 $ 2,099 $ 1,534 $ 194,936 $ 485,489 Total loans Pass $ 8,948,119 $ 3,920,681 $ 2,496,213 $ 1,285,630 $ 774,433 $ 1,165,995 $ 4,009,111 $ 22,600,182 Special Mention 121,261 315,794 111,962 18,894 34,444 32,878 37,679 672,912 Substandard (1) 24,404 10,710 12,409 15,173 8,768 2,579 35,556 109,599 Substandard-nonaccrual 1,137 12,600 5,448 2,590 699 5,119 3,976 31,569 Doubtful-nonaccrual — — — — — — — — Total loans $ 9,094,921 $ 4,259,785 $ 2,626,032 $ 1,322,287 $ 818,344 $ 1,206,571 $ 4,086,322 $ 23,414,262
Past Due Balances by Loan Classification	The table below presents the aging of past due balances by loan segment at December 31, 2021 and December 31, 2020 (in thousands): December 31, 2021 30-59 days past due 60-89 days past due 90 days or more past due Total past due Current Total loans Commercial real estate: Owner-occupied $ 727 $ — $ 2,426 $ 3,153 $ 3,045,669 $ 3,048,822 Non-owner occupied 1,434 — 645 2,079 5,219,625 5,221,704 Consumer real estate – mortgage 8,710 122 4,450 13,282 3,667,402 3,680,684 Construction and land development 61 — 127 188 2,902,829 2,903,017 Commercial and industrial 4,926 2,677 7,311 14,914 8,059,632 8,074,546 Consumer and other 1,715 568 372 2,655 482,834 485,489 Total $ 17,573 $ 3,367 $ 15,331 $ 36,271 $ 23,377,991 $ 23,414,262 December 31, 2020 Commercial real estate: Owner-occupied $ 934 $ 2,672 $ 1,860 $ 5,466 $ 2,796,761 $ 2,802,227 Non-owner occupied 726 6,220 3,861 10,807 5,192,577 5,203,384 Consumer real estate – mortgage 8,859 328 6,274 15,461 3,083,711 3,099,172 Construction and land development 278 418 736 1,432 2,900,314 2,901,746 Commercial and industrial 20,278 5,801 4,408 30,487 8,007,970 8,038,457 Consumer and other 806 282 304 1,392 378,123 379,515 Total $ 31,881 $ 15,721 $ 17,443 $ 65,045 $ 22,359,456 $ 22,424,501
Details of Changes in the Allowance for Loan Losses	The following table details the changes in the allowance for credit losses from December 31, 2018 to December 31, 2019 to December 31, 2020 to December 31, 2021 by loan classification and the allocation of allowance for credit losses (in thousands): Commercial real estate - owner occupied Commercial real estate - non-owner occupied Consumer real estate - mortgage Construction and land development Commercial and industrial Consumer and other Unallocated Total Allowance for Credit Losses: Balance at December 31, 2018 $ 10,575 $ 16,371 $ 7,670 $ 11,128 $ 31,731 $ 5,423 $ 677 $ 83,575 Charged-off loans (1,625) (75) (1,335) (18) (19,208) (6,206) — (28,467) Recovery of previously charged-off loans 1,252 980 1,827 682 6,473 1,172 — 12,386 Provision for loan losses 3,204 2,687 (108) 870 17,116 3,206 308 27,283 Balance at December 31, 2019 $ 13,406 $ 19,963 $ 8,054 $ 12,662 $ 36,112 $ 3,595 $ 985 $ 94,777 Impact of adopting ASC 326 264 (4,740) 21,029 (3,144) 23,040 2,638 (985) 38,102 Charged-off loans (2,598) (546) (3,478) — (38,718) (3,993) — (49,333) Recovery of previously charged-off loans 1,317 911 1,493 147 4,540 1,554 — 9,962 Provision for loan losses 10,909 63,544 6,206 32,743 73,449 4,691 — 191,542 Balance at December 31, 2020 $ 23,298 $ 79,132 $ 33,304 $ 42,408 $ 98,423 $ 8,485 $ — $ 285,050 Charged-off loans (1,420) (786) (632) (367) (46,213) (5,578) — (54,996) Recovery of previously charged-off loans 1,609 969 2,288 372 7,485 3,550 — 16,273 Provision for loan losses (3,869) (20,811) (2,856) (12,984) 52,645 4,781 — 16,906 Balance at December 31, 2021 $ 19,618 $ 58,504 $ 32,104 $ 29,429 $ 112,340 $ 11,238 $ — $ 263,233
Schedule of Collateral Dependent Loans Individually Evaluated for ACL	(in thousands): Real Estate Business Assets Other Total December 31, 2021 Commercial real estate: Owner-occupied $ 5,300 $ — $ — $ 5,300 Non-owner occupied 5,631 — — 5,631 Consumer real estate – mortgage 16,392 — — 16,392 Construction and land development 1,208 — — 1,208 Commercial and industrial — 6,976 206 7,182 Consumer and other — — — — Total $ 28,531 $ 6,976 $ 206 $ 35,713 December 31, 2020 Commercial real estate: Owner-occupied $ 15,681 $ — $ — $ 15,681 Non-owner occupied 7,000 — — 7,000 Consumer real estate – mortgage 27,082 — — 27,082 Construction and land development 2,049 — — 2,049 Commercial and industrial — 22,437 39 22,476 Consumer and other — — 4 4 Total $ 51,812 $ 22,437 $ 43 $ 74,292
Financing Receivable, Nonaccrual	The table below presents the amortized cost basis of loans on nonaccrual status and loans past due 90 or more days and still accruing interest at December 31, 2021 and December 31, 2020. Also presented is the balance of loans on nonaccrual status at December 31, 2021 for which there was no related allowance for credit losses recorded (in thousands): December 31, 2021 December 31, 2020 Total nonaccrual loans Nonaccrual loans with no allowance for credit losses Loans past due 90 or more days and still accruing Total nonaccrual loans Nonaccrual loans with no allowance for credit losses Loans past due 90 or more days and still accruing Commercial real estate: Owner-occupied $ 2,694 $ — $ — $ 10,231 $ 5,985 $ — Non-owner occupied 1,404 — — 5,219 1,522 — Consumer real estate – mortgage 10,264 — 144 22,191 — 273 Construction and land development 356 — — 1,953 — — Commercial and industrial 16,849 13,188 1,091 34,238 29,030 1,785 Consumer and other 2 — 372 4 — 304 Total $ 31,569 $ 13,188 $ 1,607 $ 73,836 $ 36,537 $ 2,362
Amount of Troubled Debt Restructuring Categorized by Loan Classification	There were no TDRs made during the year ended December 31, 2021. The following table outlines the amount of each TDR by loan classification made during the years ended December 31, 2020 and 2019 (dollars in thousands): Number Pre Modification Outstanding Recorded Investment Post Modification Outstanding Recorded Investment, net of related allowance December 31, 2020 Commercial real estate: Owner-occupied — $ — $ — Non-owner occupied — — — Consumer real estate – mortgage 1 807 807 Construction and land development — — — Commercial and industrial — — — Consumer and other — — — 1 $ 807 $ 807 December 31, 2019 Commercial real estate: Owner-occupied 1 $ 306 $ 287 Non-owner occupied — — — Consumer real estate – mortgage 1 683 683 Construction and land development 1 19 19 Commercial and industrial 1 1,318 777 Consumer and other — — — 4 $ 2,326 $ 1,766 During the years ended December 31, 2021, 2020 and 2019, Pinnacle Financial had no TDRs that subsequently defaulted within twelve months of the restructuring. A default is defined as an occurrence which violates the terms of the receivable's contract.
Summary of Loan Portfolio Credit Risk Exposure	Pinnacle Financial analyzes its commercial loan portfolio to determine if a concentration of credit risk exists to any industries. Pinnacle Financial utilizes broadly accepted industry classification systems in order to classify borrowers into various industry classifications. Pinnacle Financial had a credit exposure (loans outstanding plus unfunded lines of credit) exceeding 25% of Pinnacle Bank's total risk-based capital to borrowers in the following industries at December 31, 2021 with the comparative exposures for December 31, 2020 (in thousands): At December 31, 2021 Outstanding Principal Balances Unfunded Commitments Total exposure Total Exposure at December 31, 2020 Lessors of nonresidential buildings $ 3,779,463 $ 1,589,175 $ 5,368,638 $ 4,442,712 Lessors of residential buildings 1,361,389 1,204,963 2,566,352 2,126,246 New housing for-sale builders 555,069 979,720 1,534,789 1,124,302 Hotels and motels 866,535 53,821 920,356 1,039,259 Total $ 6,562,456 $ 3,827,679 $ 10,390,135 $ 8,732,519

Premises and Equipment and Le_2

Premises and Equipment and Lease Commitments (Tables)	12 Months Ended
	Dec. 31, 2021
Premises and Equipment and Lease Commitments [Abstract]
Schedule of Premises and Equipment	Premises and equipment at December 31, 2021 and 2020 are summarized as follows (in thousands): Range of Useful Lives 2021 2020 Land Not applicable $ 70,240 $ 70,140 Buildings 15 years - 30 years 202,255 194,432 Leasehold improvements 15 years - 20 years 54,922 50,867 Furniture and equipment 3 years - 20 years 138,766 126,678 466,183 442,117 Less: accumulated depreciation and amortization 178,001 152,116 $ 288,182 $ 290,001
Schedule of Lease Assets and Liabilities	Right-of-use assets and lease liabilities relating to Pinnacle Financial's operating and finance leases are as follows at December 31, 2021 and 2020 (in thousands): December 31, 2021 December 31, 2020 Right-of-use assets: Operating leases $ 92,819 $ 83,647 Finance leases 1,544 1,770 Total right-of-use assets $ 94,363 $ 85,417 Lease liabilities: Operating leases $ 97,925 $ 87,737 Finance leases 2,739 3,001 Total lease liabilities $ 100,664 $ 90,738
Schedule of Lease Costs and Other Information	The total lease cost related to operating leases and short term leases is recognized on a straight-line basis over the lease term. For finance leases, right-of-use assets are amortized on a straight-line basis over the lease term and interest imputed on the lease liability is recognized using the effective interest method. The components of Pinnacle Financial's total lease cost were as follows for the years ended December 31, 2021, 2020 and 2019 (in thousands): For the years ended December 31, 2021 2020 2019 Operating lease cost $ 15,696 $ 13,963 $ 13,992 Short-term lease cost 297 354 295 Finance lease cost: Interest on lease liabilities 208 227 243 Amortization of right-of-use asset 226 226 226 Sublease income (1,309) (1,324) (1,463) Net lease cost $ 15,118 $ 13,446 $ 13,293 The weighted average remaining lease term and weighted average discount rate for operating and finance leases at December 31, 2021 and 2020 are as follows: December 31, 2021 December 31, 2020 Weighted average remaining lease term Operating leases 10.00 years 10.37 years Finance leases 6.84 years 7.84 years Weighted average discount rate Operating leases 2.71 % 2.91 % Finance leases 7.22 % 7.22 % Cash flows related to operating and finance leases during the years ended December 31, 2021, 2020 and 2019 were as follows (in thousands): For the years ended December 31, 2021 2020 2019 Operating cash flows related to operating leases $ 14,712 $ 13,494 $ 13,609 Operating cash flows related to finance leases $ 208 $ 227 $ 243 Financing cash flows related to finance leases $ 261 $ 243 $ 226
Schedule of Future Minimum Operating Lease Payments	Future undiscounted lease payments for operating and finance leases with initial terms of more than 12 months are as follows at December 31, 2021 (in thousands): Operating Leases Finance Leases 2022 $ 14,557 $ 470 2023 13,879 479 2024 13,908 527 2025 11,717 527 2026 9,580 527 Thereafter 50,498 967 Total undiscounted lease payments 114,139 3,497 Less: imputed interest (16,214) (758) Net lease liabilities $ 97,925 $ 2,739
Schedule of Future Minimum Finance Lease Payments	Future undiscounted lease payments for operating and finance leases with initial terms of more than 12 months are as follows at December 31, 2021 (in thousands): Operating Leases Finance Leases 2022 $ 14,557 $ 470 2023 13,879 479 2024 13,908 527 2025 11,717 527 2026 9,580 527 Thereafter 50,498 967 Total undiscounted lease payments 114,139 3,497 Less: imputed interest (16,214) (758) Net lease liabilities $ 97,925 $ 2,739

Deposits (Tables)

Deposits (Tables)	12 Months Ended
	Dec. 31, 2021
Interest-bearing Deposit Liabilities [Abstract]
Scheduled Maturities of Time Deposits	At December 31, 2021, the scheduled maturities of time deposits are as follows (in thousands): 2022 $ 1,734,404 2023 319,857 2024 33,163 2025 18,187 2026 27,480 Thereafter 693 $ 2,133,784

Federal Home Loan Bank Advanc_2

Federal Home Loan Bank Advances (Tables)	12 Months Ended
	Dec. 31, 2021
Advances from Federal Home Loan Banks [Abstract]
Scheduled Maturities of Advances and Interest Rates	At December 31, 2021 and 2020, Pinnacle Bank had outstanding advances from the FHLB totaling approximately $888.7 million and $1.1 billion, respectively. The scheduled maturities of FHLB advances at December 31, 2021 and interest rates are as follows (in thousands): Scheduled maturities Weighted average interest rates (1) 2022 $ — — % 2023 — — % 2024 — — % 2025 116,250 0.60 % 2026 — — % Thereafter 775,013 2.15 % 891,263 Deferred costs 2,582 Total Federal Home Loan Bank advances $ 888,681 Weighted average interest rate 1.94 % (1) Some FHLB Cincinnati advances include variable interest rates and could increase in the future. The table reflects rates in effect as of December 31, 2021.

Other borrowings Other Borrowin

Other borrowings Other Borrowings (Tables)	12 Months Ended
	Dec. 31, 2021
Subordinated Debt [Abstract]
Schedule of Maturities of Long-term Debt	Pinnacle Financial has twelve wholly-owned subsidiaries that are statutory business trusts created for the exclusive purpose of issuing 30-year capital trust preferred securities, and Pinnacle Financial has entered into certain other subordinated debt agreements. These instruments are outlined below as of December 31, 2021 (in thousands): Name Date Established Maturity Total Debt Outstanding Interest Rate at December 31, 2021 Coupon Structure Trust preferred securities Pinnacle Statutory Trust I December 29, 2003 December 30, 2033 $ 10,310 3.02 % 30-day LIBOR + 2.80% Pinnacle Statutory Trust II September 15, 2005 September 30, 2035 20,619 1.62 % 30-day LIBOR + 1.40% Pinnacle Statutory Trust III September 07, 2006 September 30, 2036 20,619 1.87 % 30-day LIBOR + 1.65% Pinnacle Statutory Trust IV October 31, 2007 September 30, 2037 30,928 3.05 % 30-day LIBOR + 2.85% BNC Capital Trust I April 03, 2003 April 15, 2033 5,155 3.37 % 30-day LIBOR + 3.25% BNC Capital Trust II March 11, 2004 April 07, 2034 6,186 2.97 % 30-day LIBOR + 2.85% BNC Capital Trust III September 23, 2004 September 23, 2034 5,155 2.52 % 30-day LIBOR + 2.40% BNC Capital Trust IV September 27, 2006 December 31, 2036 7,217 1.92 % 30-day LIBOR + 1.70% Valley Financial Trust I June 26, 2003 June 26, 2033 4,124 3.32 % 30-day LIBOR + 3.10% Valley Financial Trust II September 26, 2005 December 15, 2035 7,217 1.69 % 30-day LIBOR + 1.49% Valley Financial Trust III December 15, 2006 January 30, 2037 5,155 1.86 % 30-day LIBOR + 1.73% Southcoast Capital Trust III August 05, 2005 September 30, 2035 10,310 1.72 % 30-day LIBOR + 1.50% Subordinated Debt Pinnacle Financial Subordinated Notes September 11, 2019 September 15, 2029 300,000 4.13 % Fixed (1) Debt issuance costs and fair value adjustment (9,823) Total subordinated debt and other borrowings $ 423,172 (1) Migrates to three

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Income tax expense (benefit) attributable to continuing operations	Income tax expense attributable to continuing operations for each of the years ended December 31 is as follows (in thousands): 2021 2020 2019 Current tax expense : Federal $ 125,016 $ 98,082 $ 77,422 State 11,798 19,270 4,538 Total current tax expense 136,814 117,352 81,960 Deferred tax expense: Federal (12,149) (45,450) 12,446 State (83) (12,865) 2,250 Total deferred tax (benefit) expense (12,232) (58,315) 14,696 Total income tax expense $ 124,582 $ 59,037 $ 96,656
Income tax rate reconciliation	Pinnacle Financial's income tax expense differs from the amounts computed by applying the Federal income tax statutory rate of 21% to income before income taxes. A reconciliation of the differences for each of the years in the three-year period ended December 31, 2021 is as follows (in thousands): 2021 2020 2019 Income tax expense at statutory rate $ 136,900 $ 77,985 $ 104,483 State excise tax expense, net of federal tax effect 9,255 5,059 5,363 Tax-exempt securities (15,243) (13,706) (11,078) Federal tax credits (4,712) (3,717) (1,704) Bank owned life insurance (4,413) (4,759) (3,646) Insurance premiums (273) (272) (238) Excess tax benefits associated with equity compensation (2,475) (417) (1,011) Other items 5,543 (1,136) 4,487 Income tax expense $ 124,582 $ 59,037 $ 96,656
Components of deferred income taxes included in other assets	The components of deferred income taxes included in other assets in the accompanying consolidated balance sheets at December 31, 2021 and 2020 are as follows (in thousands): 2021 2020 Deferred tax assets: Allowance for credit losses $ 66,785 $ 72,316 Loans 14,778 14,694 Insurance 759 690 Accrued liability for supplemental retirement agreements 7,612 7,457 Restricted stock and stock options 9,148 9,181 Equity method investment — 171 Lease liability 26,476 23,894 Other real estate owned 1,540 2,287 Net federal operating loss carryforward and credits 1,271 1,796 Annual incentive compensation 23,095 8,712 Partnership interests 27,653 25,225 Allowance for off balance sheet credit exposures 5,873 6,069 Other deferred tax assets 1,941 2,559 Total deferred tax assets 186,931 175,051 Deferred tax liabilities: Depreciation and amortization 14,520 14,418 Core deposit and other intangible assets 8,787 11,077 Securities 21,680 34,373 Cash flow hedge 9,890 19,627 REIT dividends 1,222 1,366 FHLB related liabilities 1,600 1,798 Equity method investment 23 — Right-of-use assets and other leasing transactions 24,315 22,232 Subordinated debt 1,791 1,920 Other deferred tax liabilities 1,831 1,630 Total deferred tax liabilities 85,659 108,441 Net deferred tax assets $ 101,272 $ 66,610
Rollforward of uncertain tax positions	A reconciliation of the beginning and ending unrecognized tax benefit related to state uncertain tax positions is as follows (in thousands): 2021 2020 2019 Balance at January 1, $ 9,658 $ 6,910 $ 5,083 Increases due to tax positions taken during the current year 3,647 2,748 1,827 Increases due to tax positions taken during a prior year — — — Decreases due to the lapse of the statute of limitations during the current year (568) — — Decreases due to settlements with the taxing authorities during the current year — — — Balance at December 31, $ 12,737 $ 9,658 $ 6,910

Stock Options, Restricted Sha_2

Stock Options, Restricted Shares and Restricted Share Units (Tables)	12 Months Ended
	Dec. 31, 2021
Share-based Payment Arrangement [Abstract]
Summary of Stock Option Activity	A summary of stock option activity within the equity incentive plans during each of the years in the three-year period ended December 31, 2021 and information regarding expected vesting, contractual terms remaining, intrinsic values and other matters was as follows: Number Weighted-Average Exercise Price Weighted-Average Contractual Remaining Term (in years) Aggregate Intrinsic Value (1) (000's) Outstanding at December 31, 2018 178,591 $ 22.77 Granted — — Stock options exercised (59,317) 21.40 Forfeited — — Outstanding at December 31, 2019 119,274 $ 23.45 Granted — — Stock options exercised (17,505) 23.40 Forfeited — — Outstanding at December 31, 2020 101,769 $ 23.46 Granted — — Stock options exercised (45,125) 22.18 Forfeited (497) 20.00 Outstanding at December 31, 2021 56,147 $ 24.51 1.19 $ 3,985 Options exercisable at December 31, 2021 56,147 $ 24.51 1.19 $ 3,985 (1) The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying awards and the quoted price of Pinnacle Financial Common Stock of $95.50 per common share at December 31, 2021 for the 56,147 options that were in-the-money at December 31, 2021.
Summary of Activity for Unvested Restricted Share Awards	A summary of activity for unvested restricted share awards for the years ended December 31, 2021, 2020, and 2019 follows: Number Grant Date Weighted-Average Cost Unvested at December 31, 2018 692,806 $ 55.19 Shares awarded 245,845 55.25 Restrictions lapsed and shares released to associates/directors (348,145) 40.47 Shares forfeited (35,210) 58.22 Unvested at December 31, 2019 555,296 $ 57.04 Shares awarded 284,904 55.91 Restrictions lapsed and shares released to associates/directors (215,846) 55.39 Shares forfeited (29,685) 59.64 Unvested at December 31, 2020 594,669 $ 56.97 Shares awarded 249,641 77.00 Restrictions lapsed and shares released to associates/directors (193,846) 56.47 Shares forfeited (37,129) 62.79 Unvested at December 31, 2021 613,335 $ 64.93 Pinnacle Financial grants restricted share awards to associates (including certain members of executive management) and outside directors with time-based vesting criteria. The following tables outline restricted stock grants that were made by grant year, grouped by similar vesting criteria, during the three-year period ended December 31, 2021. The table below reflects the life-to-date activity for these awards: Grant Group (1) Vesting Shares Restrictions lapsed and shares released to participants Shares withheld Shares forfeited by participants (4) Shares unvested Time Based Awards 2019 Associates (2) 3 — 5 229,296 58,734 23,995 30,030 116,537 2020 Associates (2) 3 — 5 266,379 40,692 16,847 18,660 190,180 2021 Associates (2) 3 — 5 237,811 139 92 13,514 224,066 Outside Director Awards (3) 2019 Outside directors 1 16,549 14,582 1,967 — — 2020 Outside directors 1 18,525 16,327 2,198 — — 2021 Outside directors 1 11,830 — — — 11,830 (1) Groups include employees (referred to as associates above) and outside directors. When the restricted shares are awarded, a participant receives voting rights and forfeitable dividend rights with respect to the shares, but is not able to transfer the shares until the restrictions have lapsed. Once the restrictions lapse, the participant is taxed on the value of the award and may elect to sell some shares (or have Pinnacle Financial withhold some shares) to pay the applicable income taxes associated with the award. Alternatively, the recipient can pay the withholding taxes in cash. For time-based vesting restricted share awards, dividends paid on shares for which the forfeiture restrictions do not lapse will be recouped by Pinnacle Financial at the time of termination. For awards to Pinnacle Financial's directors, dividends are placed into escrow until the forfeiture restrictions on such shares lapse. (2) The forfeiture restrictions on these restricted share awards lapse in equal annual installments on the anniversary date of the grant. (3) Restricted share awards are issued to the outside members of the board of directors in accordance with their board compensation plan. Restrictions lapse on March 1, 2022 based on each individual board member meeting attendance goals for the various board and board committee meetings to which each member was scheduled to attend. (4) These shares represent forfeitures resulting from recipients whose employment or board membership was terminated during the year-to-date period ended December 31, 2021. Any dividends paid on shares for which the forfeiture restrictions do not lapse will be recouped by Pinnacle Financial at the time of termination or will not be distributed from escrow, as applicable.
Restricted Share Unit Awards Outstanding	Restricted Stock Unit Awards In 2021, Pinnacle Financial granted restricted stock units to its Named Executive Officers (NEOs) and leadership team members with time-based vesting criteria. Compensation expense associated with time-based vesting restricted stock unit awards is recognized over the time period that the restrictions associated with the awards lapse on a straight-line basis based on the total cost of the award. The following table outlines restricted stock unit grants that were made, grouped by similar vesting criteria, during the year ended December 31, 2021. The table reflects the life-to-date activity for these awards: Grant year Vesting Shares Restrictions lapsed and shares released to participants Shares withheld for taxes by participants Shares forfeited by participants (1) Shares unvested 2021 3 56,864 89 39 368 56,368 (1) These shares represent forfeitures resulting from recipients whose employment was terminated during the year-to-date period ended December 31, 2021. Dividend equivalents are held in escrow for award recipients for dividends paid prior to the forfeiture restrictions lapsing. Such dividend equivalents are not released from escrow if an award is forfeited. Performance Stock Unit Awards The following table details the performance stock unit awards outstanding at December 31, 2021: Units Awarded Applicable performance periods associated with each tranche (fiscal year) Service period per tranche Subsequent Period in which units to be settled into shares of common stock (2) Grant year Named Executive Officers (NEOs) (1) Leadership Team other than NEOs 2021 (3) 89,234 — 214,155 45,240 2021-2023 0 0 2024 2020 136,137 — 204,220 59,648 2020 2 3 2025 2021 2 2 2025 2022 2 1 2025 2019 166,211 — 249,343 52,244 2019 2 3 2024 2020 2 2 2024 2021 2 1 2024 2018 96,878 — 145,339 25,990 2018 2 3 2023 2019 2 2 2023 2020 2 1 2023 2017 72,537 — 109,339 24,916 2017 2 3 2022 2018 2 2 2022 2019 2 1 2022 (1) The named executive officers are awarded a range of awards that may be earned based on attainment of goals between a target level of performance and a maximum level of performance. (2) Performance stock unit awards granted prior to 2021, if earned, will be settled in shares of Pinnacle Financial Common Stock in the periods noted in the table, if Pinnacle Bank's ratio of non-performing assets to its loans plus ORE ("NPA Ratio") is less than amounts established in the applicable award agreement.
Schedule of Share Based Compensation Expense	A summary of stock compensation expense, net of the impact of income taxes, related to restricted share awards, restricted stock unit awards and performance stock unit awards for the three-year period ended December 31, 2021, follows (in thousands): 2021 2020 2019 Restricted stock expense $ 24,952 $ 18,737 $ 21,226 Income tax benefit 6,522 4,898 5,548 Restricted stock expense, net of income tax benefit $ 18,430 $ 13,839 $ 15,678

Derivative Instruments (Tables)

Derivative Instruments (Tables)	12 Months Ended
	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Summary of Interest Rate Swaps	Non-hedge derivatives For derivatives not designated as hedges, the gain or loss is recognized in current period earnings. Pinnacle Financial enters into interest rate swaps (swaps) to facilitate customer transactions and meet their financing needs. Upon entering into these instruments to meet customer needs, Pinnacle Financial enters into offsetting positions in order to minimize the risk to Pinnacle Financial. These swaps qualify as derivatives, but are not designated as hedging instruments. The income statement impact of the offsetting positions is limited to changes in the reserve for counterparty credit risk. A summary of Pinnacle Financial's interest rate swaps to facilitate customer transactions as of December 31, 2021 and 2020 is included in the following table (in thousands): December 31, 2021 December 31, 2020 Notional Estimated Fair Value Notional Amount Estimated Fair Value Interest rate swap agreements: Assets $ 1,540,992 $ 39,770 $ 1,565,916 $ 101,602 Liabilities 1,540,992 (40,241) 1,565,916 (102,919) Total $ 3,081,984 $ (471) $ 3,131,832 $ (1,317) The effects of Pinnacle Financial's interest rate swaps to facilitate customers' transactions on the income statement during the years ended December 31, 2021, 2020 and 2019 were as follows (in thousands): Amount of Gain (Loss) Recognized in Income Location of Gain (Loss) Recognized in Income Year ended December 31, 2021 2020 2019 Interest rate swap agreements Other noninterest income $ 846 $ (1,109) $ (80)
Schedule of Derivative Instruments	Derivatives designated as cash flow hedges For derivative instruments that are designated and qualify as a cash flow hedge, the aggregate fair value of the derivative instrument is recorded in other assets or other liabilities with any gain or loss related to changes in fair value recorded in accumulated other comprehensive income, net of tax. The gain or loss is reclassified into earnings in the same period during which the hedged asset or liability affects earnings and is presented in the same income statement line item as the earnings effect of the hedged asset or liability. Pinnacle Financial uses forward cash flow hedge relationships in an effort to manage future interest rate exposure. The hedging strategy converts the LIBOR-based variable interest rate on forecasted borrowings to a fixed interest rate and is used in an effort to protect Pinnacle Financial from floating interest rate variability. A summary of Pinnacle Financial's cash flow hedge relationships as of December 31, 2021 and 2020 are as follows (in thousands): December 31, 2021 December 31, 2020 Balance Sheet Location Weighted Average Remaining Maturity Weighted Average Pay Rate Receive Rate Notional Estimated Notional Estimated Asset derivatives Interest rate floor - loans Other assets 0.00 —% 2.25% minus 1 month LIBOR $ — $ — $ 1,500,000 $ 124,585 The effects of Pinnacle Financial's cash flow hedge relationships on the statement of comprehensive income (loss) during the years ended December 31, 2021, 2020 and 2019 were as follows (in thousands): Amount of Gain (Loss) Recognized in Other Comprehensive Income Years ended December 31, 2021 2020 2019 Asset derivatives Interest rate floor - loans $ (15,034) $ 62,979 $ (1,432) Liability derivatives Interest rate swaps - borrowings $ — $ 2,447 $ (1,149) $ (15,034) $ 65,426 $ (2,581) The cash flow hedges were determined to be highly effective during the periods presented and as a result qualified for hedge accounting treatment. If a hedge were deemed to be ineffective, the amount included in accumulated other comprehensive income (loss) would be reclassified into a line item within the statement of income that impacts operating results. A hedging relationship is no longer considered to be effective if a portion of the hedge becomes ineffective, the item hedged is no longer in existence or Pinnacle Financial discontinues hedge accounting. Gains on cash flow hedges totaling $9.6 million, net of tax, were reclassified from accumulated other comprehensive income (loss) into net income during the year ended December 31, 2021. Losses on cash flow hedges totaling $5.5 million and $1.6 million, net of tax, were reclassified from other comprehensive income (loss) into net income during the years ended December 31, 2020 and 2019, respectively. Approximately $10.0 million in unrealized gains, net of tax, are expected to be reclassified from accumulated other comprehensive income (loss) into net income over the next twelve months. Derivatives designated as fair value hedges For derivative instruments that are designated and qualify as a fair value hedge, the gain or loss on the derivative instrument as well as the offsetting loss or gain on the hedged asset or liability attributable to the hedged risk are recognized in current earnings. The gain or loss on the derivative instrument is presented on the same income statement line item as the earnings effect of the hedged item. Pinnacle Financial utilizes interest rate swaps designated as fair value hedges to mitigate the effect of changing interest rates on the fair values of fixed rate callable securities available-for-sale. The hedging strategy on securities converts the fixed interest rates to LIBOR or federal funds rates. These derivatives are designated as partial term hedges of selected cash flows covering specified periods of time prior to the call dates of the hedged securities. A summary of Pinnacle Financial's fair value hedge relationships as of December 31, 2021 and 2020 are as follows (in thousands): December 31, 2021 December 31, 2020 Balance Sheet Location Weighted Average Remaining Maturity (In Years) Weighted Average Pay Rate Receive Rate Notional Amount Estimated Fair Value Notional Amount Estimated Fair Value Asset derivatives Interest rate swap agreements - securities Other assets 5.30 0.59% Federal funds $ 559,820 $ 15,109 $ 231,421 $ 4,696 Liability derivatives Interest rate swap agreements - securities Other liabilities 5.03 3.08% 3 month LIBOR 471,670 (39,781) 477,510 (72,010) $ 1,031,490 $ (24,672) $ 708,931 $ (67,314) Notional amounts totaling $471.7 million included in the table above receive a variable rate of interest based on three month LIBOR and notional amounts totaling $559.8 million receive a variable rate of interest based on the daily compounded federal funds rate. The effects of Pinnacle Financial's fair value hedge relationships on the income statement during the years end December 31, 2021, 2020 and 2019 were as follows (in thousands): Location of Gain (Loss) Amount of Gain (Loss) Recognized in Income Year ended December 31, Securities 2021 2020 2019 Interest rate swap agreements Interest income on securities $ 42,642 $ (26,536) $ (25,982) Securities available-for-sale Interest income on securities $ (42,642) $ 26,536 $ 25,982 Location of Gain (Loss) Amount of Loss Recognized in Income Years ended December 31, Loans 2021 2020 2019 Interest rate swap agreements Interest income on loans $ — $ — $ (6,915) Loans Interest income on loans $ — $ — $ 6,915 The following amounts were recorded on the balance sheet related to cumulative basis adjustments for fair value hedges at December 31, 2021 and 2020 (in thousands): Carrying Amount of the Hedged Assets Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets December 31, 2021 December 31, 2020 December 31, 2021 December 31, 2020 Line item on the balance sheet Securities available-for-sale $ 1,165,773 $ 841,543 $ 24,672 $ 67,314

Fair Value of Financial Instr_2

Fair Value of Financial Instruments (Tables)	12 Months Ended
	Dec. 31, 2021
Fair Value Disclosures [Abstract]
Assets and Liabilities Measured at Fair Value on a Recurring Basis	The following tables present the financial instruments carried at fair value on a recurring basis as of December 31, 2021 and 2020, by caption on the consolidated balance sheets and by FASB ASC 820 valuation hierarchy (as described above) (in thousands): Total carrying value in the consolidated balance sheet Quoted market prices in an active market Models with significant observable market parameters Models with significant unobservable market parameters December 31, 2021 Investment securities available-for-sale: U.S. treasury securities $ 193,609 $ — $ 193,609 $ — U.S. government agency securities 632,009 — 632,009 — Mortgage-backed securities 1,920,239 — 1,920,239 — State and municipal securities 1,823,837 — 1,823,009 828 Asset-backed securities 229,569 — 229,569 — Corporate notes and other 114,931 — 114,931 — Total investment securities available-for-sale 4,914,194 — 4,913,366 828 Other investments 125,969 — 24,973 100,996 Other assets 57,441 — 57,441 — Total assets at fair value $ 5,097,604 $ — $ 4,995,780 $ 101,824 Other liabilities $ 80,106 $ — $ 80,106 $ — Total liabilities at fair value $ 80,106 $ — $ 80,106 $ — December 31, 2020 Investment securities available-for-sale: U.S. treasury securities $ 82,209 $ — $ 82,209 $ — U.S. government agency securities 76,403 — 76,403 — Mortgage-backed securities 1,689,191 — 1,689,191 — State and municipal securities 1,443,363 — 1,427,866 15,497 Asset-backed securities 177,936 — 177,936 — Corporate notes and other 117,579 — 117,579 — Total investment securities available-for-sale 3,586,681 — 3,571,184 15,497 Other investments 73,395 — 25,636 47,759 Other assets 242,470 — 242,470 — Total assets at fair value $ 3,902,546 $ — $ 3,839,290 $ 63,256 Other liabilities $ 177,025 $ — $ 177,025 $ — Total liabilities at fair value $ 177,025 $ — $ 177,025 $ —
Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis	The following table presents assets measured at fair value on a nonrecurring basis as of December 31, 2021 and 2020 (in thousands): December 31, 2021 Total carrying value in the consolidated balance sheet Quoted market prices in an active market Models with significant observable market parameters Models with significant unobservable market Other real estate owned $ 8,537 $ — $ — $ 8,537 Collateral dependent loans (1) 30,799 — — 30,799 Total $ 39,336 $ — $ — $ 39,336 December 31, 2020 Other real estate owned $ 12,360 $ — $ — $ 12,360 Collateral dependent loans (1) 43,795 — — 43,795 Total $ 56,155 $ — $ — $ 56,155 (1) The carrying values of collateral dependent loans at December 31, 2021 and 2020 are net of valuation allowances of $1.7 million and $3.5 million, respectively.
Rollforward of the Balance Sheet Amounts, Unobservable Input Reconciliation	For the year ended December 31, 2021 2020 Available-for-sale Securities Other Other Available-for-sale Securities Other Other Fair value, Jan. 1 $ 15,497 $ 47,759 $ — $ 15,903 $ 38,156 $ — Total net realized gains included in income 1,302 23,109 — 110 1,067 — Change in unrealized gains/losses included in other comprehensive income (3,184) — — 627 — — Purchases — 45,986 — — 11,663 — Issuances — — — — — — Settlements (12,787) (15,858) — (1,143) (3,127) — Transfers out of Level 3 — — — — — — Fair value, Dec. 31 $ 828 $ 100,996 $ — $ 15,497 $ 47,759 $ — Total realized gains included in income $ 1,302 $ 23,109 $ — $ 110 $ 1,067 $ —
Carrying Amounts, Estimated Fair Value and Placement in the Fair Value Hierarchy of Financial Instruments	The following table presents the carrying amounts, estimated fair value and placement in the fair value hierarchy of Pinnacle Financial's financial instruments at December 31, 2021 and 2020. This table excludes financial instruments for which the carrying amount approximates fair value. For short-term financial assets such as cash, cash equivalents, interest-bearing due from banks and restricted cash, the carrying amount is a reasonable estimate of fair value due to the relatively short time between the origination of the instrument and its expected realization. For financial liabilities such as non-interest bearing demand, interest-bearing demand, and savings deposits, the carrying amount is a reasonable estimate of fair value due to these products having no stated maturity (in thousands). Carrying/ Estimated Fair Value (1) Quoted market prices in an active market Models with significant observable market parameters Models with significant unobservable market December 31, 2021 Financial assets: Securities purchased with agreement to resell $ 1,000,000 $ 980,543 $ — $ — $ 980,543 Securities held-to-maturity 1,155,958 1,188,049 — 1,188,049 — Loans, net 23,151,029 23,223,299 — — 23,223,299 Consumer loans held-for-sale 45,806 46,288 — 46,288 — Commercial loans held-for-sale 17,685 17,871 — 17,871 — Financial liabilities: Deposits and securities sold under agreements to repurchase 31,457,092 30,812,222 — — 30,812,222 Federal Home Loan Bank advances 888,681 1,006,866 — — 1,006,866 Subordinated debt and other borrowings 423,172 479,879 — — 479,879 Carrying/ Estimated Fair Value (1) Quoted market prices in an active market Models with significant observable market parameters Models with significant unobservable market Off-balance sheet instruments: Commitments to extend credit (2) 13,063,942 24,351 — — 24,351 December 31, 2020 Financial assets: Securities held-to-maturity $ 1,028,359 $ 1,066,531 $ — $ 1,066,531 $ — Loans, net 22,139,451 22,407,546 — — 22,407,546 Consumer loans held-for-sale 87,821 89,625 — 89,625 — Commercial loans held-for-sale 31,200 31,841 — 31,841 — Financial liabilities: Deposits and securities sold under agreements to repurchase 27,833,739 26,929,142 — — 26,929,142 Federal Home Loan Bank advances 1,087,927 1,189,035 — — 1,189,035 Subordinated debt and other borrowings 670,575 677,521 — — 677,521 Off-balance sheet instruments: Commitments to extend credit (2) 9,692,607 24,887 — — 24,887 (1) Estimated fair values are consistent with an exit-price concept. The assumptions used to estimate the fair values are intended to approximate those that a market-participant would realize in a hypothetical orderly transaction. (2) At the end of each period, Pinnacle Financial evaluates the inherent risks of the outstanding off-balance sheet commitments, including both commitments for unfunded loans and standby letters of credit. In making this evaluation, Pinnacle Financial utilizes credit loss expectations on funded loans from our allowance for credit losses methodology and evaluates the probability that the outstanding commitment will eventually become a funded loan .

Variable Interest Entities (Tab

Variable Interest Entities (Tables)	12 Months Ended
	Dec. 31, 2021
Variable Interest Entities [Abstract]
Summary of Variable Interest Entities	December 31, 2021 December 31, 2020 Type Maximum Liability Maximum Liability Classification Low Income Housing Partnerships $ 189,600 $ — $ 143,190 $ — Other Assets Trust Preferred Issuances N/A 132,995 N/A 132,995 Subordinated Debt Commercial TDRs 145 — 180 — Loans Managed Discretionary Trusts N/A N/A N/A N/A N/A

Regulatory Matters (Tables)

Regulatory Matters (Tables)	12 Months Ended
	Dec. 31, 2021
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]
Summary of Regulatory Capital Requirement	Management believes, as of December 31, 2021, that Pinnacle Financial and Pinnacle Bank met all capital adequacy requirements to which they are subject. To be categorized as well-capitalized under applicable banking regulations, Pinnacle Financial and Pinnacle Bank must maintain certain total, Tier 1, common equity Tier 1 and Tier 1 leverage capital ratios as set forth in the following table and not be subject to a written agreement, order or directive to maintain a higher capital level. The capital conservation buffer of 2.5% is not included in the required minimum ratios of the table presented below. Pinnacle Financial's and Pinnacle Bank's actual capital amounts and ratios are presented in the following table (in thousands): Actual Minimum Capital Minimum Amount Ratio Amount Ratio Amount Ratio December 31, 2021 Total capital to risk weighted assets: Pinnacle Financial $ 4,060,598 13.8 % $ 2,347,963 8.0 % $ 2,934,953 10.0 % Pinnacle Bank $ 3,670,111 12.6 % $ 2,334,243 8.0 % $ 2,917,804 10.0 % Tier 1 capital to risk weighted assets: Pinnacle Financial $ 3,425,751 11.7 % $ 1,760,972 6.0 % $ 2,347,963 8.0 % Pinnacle Bank $ 3,464,265 11.9 % $ 1,750,683 6.0 % $ 2,334,243 8.0 % Common equity Tier 1 capital: Pinnacle Financial $ 3,208,503 10.9 % $ 1,320,729 4.5 % N/A N/A Pinnacle Bank $ 3,464,142 11.9 % $ 1,313,012 4.5 % $ 1,896,573 6.5 % Tier 1 capital to average assets (*): Pinnacle Financial $ 3,425,751 9.7 % $ 1,412,747 4.0 % N/A N/A Pinnacle Bank $ 3,464,265 9.9 % $ 1,406,063 4.0 % $ 1,757,578 5.0 % December 31, 2020 Total capital to risk weighted assets: Pinnacle Financial $ 3,678,405 14.3 % $ 2,063,352 8.0 % $ 2,579,190 10.0 % Pinnacle Bank $ 3,259,538 12.7 % $ 2,055,892 8.0 % $ 2,569,865 10.0 % Tier 1 capital to risk weighted assets: Pinnacle Financial $ 2,803,541 10.9 % $ 1,547,514 6.0 % $ 2,063,352 8.0 % Pinnacle Bank $ 2,933,674 11.4 % $ 1,541,919 6.0 % $ 2,055,892 8.0 % Common equity Tier 1 capital: Pinnacle Financial $ 2,586,292 10.0 % $ 1,160,635 4.5 % N/A N/A Pinnacle Bank $ 2,933,551 11.4 % $ 1,156,439 4.5 % $ 1,670,412 6.5 % Tier 1 capital to average assets (*): Pinnacle Financial $ 2,803,541 8.6 % $ 1,298,756 4.0 % N/A N/A Pinnacle Bank $ 2,933,674 9.1 % $ 1,294,033 4.0 % $ 1,617,541 5.0 % (*) Average assets for the above calculations were based on the most recent quarter.

Other Income and Expenses (Tabl

Other Income and Expenses (Tables)	12 Months Ended
	Dec. 31, 2021
Other Noninterest Income and Noninterest Expense [Abstract]
Other Noninterest Income	Years ended 2021 2020 2019 Other noninterest income: Interchange and other consumer fees $ 57,263 $ 40,960 $ 36,158 Bank-owned life insurance 18,942 18,784 17,361 Loan swap fees 5,414 4,568 4,758 SBA loan sales 12,242 5,579 4,933 Income from other equity investments 23,109 1,072 2,789 Other noninterest income 12,839 11,940 4,838 Total other noninterest income $ 129,809 $ 82,903 $ 70,837
Other Noninterest Expense	Other noninterest expense: Deposit related expenses $ 24,003 $ 24,392 $ 17,017 Lending related expenses 39,578 28,703 24,573 Wealth management related expenses 1,950 2,053 1,986 Audit, exam and insurance expense 11,259 10,596 9,194 FHLB restructuring charges — 15,168 — Administrative and other expenses 23,169 23,725 18,906 Total other noninterest expense $ 99,959 $ 104,637 $ 71,676

Parent Company Only Financial_2

Parent Company Only Financial Information (Tables)	12 Months Ended
	Dec. 31, 2021
Condensed Financial Information Disclosure [Abstract]
CONDENSED BALANCE SHEETS	CONDENSED BALANCE SHEETS 2021 2020 Assets: Cash and cash equivalents $ 184,654 $ 275,888 Investments in bank subsidiaries 5,329,003 4,972,160 Investments in consolidated subsidiaries 11,133 9,322 Investment in unconsolidated subsidiaries: Statutory Trusts 3,995 3,995 Other investments 156,292 113,445 Current income tax receivable 29,609 51,621 Other assets 24,930 25,747 $ 5,739,616 $ 5,452,178 Liabilities and stockholders' equity: Subordinated debt and other borrowings 423,172 541,286 Other liabilities 5,837 6,281 Stockholders' equity 5,310,607 4,904,611 $ 5,739,616 $ 5,452,178
CONDENSED STATEMENTS OF OPERATIONS	CONDENSED STATEMENTS OF OPERATIONS 2021 2020 2019 Revenues: Income from bank subsidiaries $ 99,766 $ 119,065 $ 113,982 Income from nonbank subsidiaries 89 119 178 Income from equity method investment 33,169 22,587 24,298 Other income 14,945 3,861 3,485 Expenses: Interest expense 22,903 23,877 18,425 Personnel expense, including stock compensation 24,952 18,737 21,226 Other expense 2,697 2,905 1,496 Income before income taxes and equity in undistributed income of subsidiaries 97,417 100,113 100,796 Income tax benefit (3,088) (5,370) (4,457) Income before equity in undistributed income of subsidiaries 100,505 105,483 105,253 Equity in undistributed income of bank subsidiaries 424,978 205,327 294,354 Equity in undistributed income of nonbank subsidiaries 1,840 1,511 1,274 Net income $ 527,323 $ 312,321 $ 400,881 Preferred stock dividends 15,192 7,596 — Net income available to common shareholders $ 512,131 $ 304,725 $ 400,881
CONDENSED STATEMENTS OF CASH FLOWS	CONDENSED STATEMENTS OF CASH FLOWS 2021 2020 2019 Operating activities : Net income $ 527,323 $ 312,321 $ 400,881 Adjustments to reconcile net income to net cash provided by (used in) operating activities: Amortization and accretion 1,886 1,122 (3,094) Stock-based compensation expense 24,952 18,737 21,226 Increase (decrease) in income tax payable, net — (2,467) 2,467 Deferred tax expense (benefit) 2,850 3,876 (2,857) Income from equity method investments, net (33,169) (22,587) (24,298) Dividends received from equity method investment 12,214 9,251 8,953 Excess tax benefit from stock compensation (2,475) (417) (1,011) Gain on other investments, net (10,223) (195) (1,057) Decrease (increase) in other assets 19,478 (39,981) 7,295 Increase (decrease) in other liabilities 2,032 (764) 5,322 Equity in undistributed income of bank subsidiaries (424,978) (205,327) (294,354) Equity in undistributed income of nonbank subsidiaries (1,840) (1,511) (1,274) Net cash provided by operating activities 118,050 72,058 118,199 Investing activities : Investment in consolidated banking subsidiaries — — (180,000) Increase in other investments (11,668) (2,454) (1,411) Net cash used in investing activities (11,668) (2,454) (181,411) Financing activities : Proceeds from subordinated debt and other borrowings, net of issuance costs — (93) 316,078 Repayment of subordinated debt and other borrowings (120,000) (80,000) (49,880) Issuance of common stock pursuant to restricted stock unit agreement, net of shares withheld for taxes (3,790) (2,488) — Exercise of common stock options, net of shares surrendered for taxes (3,130) (2,577) (3,694) Issuance of preferred stock, net of issuance costs — 217,126 — Repurchase of common stock — (50,790) (61,416) Common dividends paid (55,504) (49,389) (49,828) Preferred stock dividends paid (15,192) (7,596) — Net cash provided by (used in) financing activities (197,616) 24,193 151,260 Net increase (decrease) in cash (91,234) 93,797 88,048 Cash and cash equivalents, beginning of year 275,888 182,091 94,043 Cash and cash equivalents, end of year $ 184,654 $ 275,888 $ 182,091

Quarterly Financial Results (_2

Quarterly Financial Results (unaudited) (Tables)	12 Months Ended
	Dec. 31, 2021
Quarterly Financial Information Disclosure [Abstract]
Summary of Selected Consolidated Quarterly Financial Data	A summary of selected consolidated quarterly financial data for each of the years in the three-year period ended December 31, 2021 follows: (in thousands, except per share data) First Second Third Fourth 2021 Interest income $ 251,917 $ 259,236 $ 260,868 $ 259,193 Net interest income 222,870 233,225 237,543 238,763 Provision for credit losses 7,235 2,834 3,382 2,675 Net income before taxes 153,648 162,458 169,405 166,394 Net income 125,428 131,790 136,577 133,528 Net income available to common shareholders 121,630 127,992 132,779 129,730 Basic net income per common share $ 1.61 $ 1.70 $ 1.76 $ 1.72 Diluted net income per common share $ 1.61 $ 1.69 $ 1.75 $ 1.71 2020 Interest income $ 263,069 $ 251,738 $ 249,188 $ 257,047 Net interest income 193,552 200,657 206,594 220,985 Provision for credit losses 105,045 72,832 16,758 9,180 Net income before taxes 26,691 73,674 137,049 133,944 Net income 28,356 62,444 110,645 110,876 Net income available to common shareholders 28,356 62,444 106,847 107,078 Basic net income per common share $ 0.37 $ 0.83 $ 1.42 $ 1.42 Diluted net income per common share $ 0.37 $ 0.83 $ 1.42 $ 1.42 2019 Interest income $ 257,883 $ 265,851 $ 275,749 $ 268,453 Net interest income 187,246 188,918 195,806 194,172 Provision for credit losses 7,184 7,195 8,260 4,644 Net income before taxes 117,074 124,719 137,224 118,520 Net income available to common shareholders 93,960 100,321 110,521 96,079 Basic net income per common share $ 1.22 $ 1.31 $ 1.45 $ 1.26 Diluted net income per common share $ 1.22 $ 1.31 $ 1.44 $ 1.26

Summary of Significant Accoun_4

Summary of Significant Accounting Policies (Details)	Jan. 01, 2022USD ($)	Jan. 01, 2019USD ($)	Dec. 31, 2021USD ($)market$ / sharesshares	Sep. 30, 2021USD ($)$ / shares	Jun. 30, 2021USD ($)$ / shares	Mar. 31, 2021USD ($)$ / shares	Dec. 31, 2020USD ($)$ / sharesshares	Sep. 30, 2020USD ($)$ / shares	Jun. 30, 2020USD ($)$ / shares	Mar. 31, 2020USD ($)$ / shares	Dec. 31, 2019USD ($)$ / sharesshares	Sep. 30, 2019USD ($)$ / shares	Jun. 30, 2019USD ($)$ / shares	Mar. 31, 2019USD ($)$ / shares	Sep. 30, 2018USD ($)	Dec. 31, 2021USD ($)market$ / sharesshares	Dec. 31, 2020USD ($)$ / sharesshares	Dec. 31, 2019USD ($)$ / sharesshares		Dec. 31, 2018shares
Accounting Policies [Abstract]
Number of Markets in Which Entity Operates | market			15													15
Goodwill [Roll Forward]
Balance at December 31, 2020	$ 1,819,811,000					$ 1,819,811,000										$ 1,819,811,000
Balance at December 31, 2021			$ 1,819,811,000				$ 1,819,811,000									1,819,811,000	$ 1,819,811,000
Finite-lived Intangible Assets [Roll Forward]
Balance at December 31, 2020	33,819,000					42,336,000										42,336,000
Amortization																(8,518,000)	(9,793,000)	$ (9,908,000)
Balance at December 31, 2021			33,819,000				42,336,000									33,819,000	42,336,000
Balance at December 31, 2020	1,853,630,000					1,862,147,000										1,862,147,000
Amortization																(8,518,000)
Balance at December 31, 2021			1,853,630,000				1,862,147,000									1,853,630,000	1,862,147,000
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Gross			108,665,000				108,665,000									108,665,000	108,665,000
Accumulated amortization			(74,846,000)				(66,329,000)									(74,846,000)	(66,329,000)
Net book value			33,819,000				42,336,000									$ 33,819,000	42,336,000
Cash Equivalents and Cash Flows [Abstract]
Cash equivalents maturity period																90 days
Cash Payments [Abstract]
Interest																$ 110,119,000	215,888,000	287,272,000
Income taxes paid																108,304,000	110,798,000	86,960,000
Noncash Transactions [Abstract]
Loans charged-off to the allowance for credit losses																(54,996,000)	(49,333,000)	(28,467,000)
Real Estate Owned, Transfer to Real Estate Owned																1,098,000	3,436,000	17,937,000
Loans foreclosed upon with repossessions transferred to other repossessed assets																0	25,000	93,000
Other Real Estate Sales Financed																0	0	871,000
Fixed assets transferred to other real estate																0	0	8,182,000
Available-for-sale securities transferred to Held-to-Maturity	1,100,000,000									$ 873,600,000					$ 179,800,000	0	873,613,000	0
Unrealized after tax gain (loss) on available-for-sale securities transferred to the held-to-maturity portfolio	$ 1,500,000									(69,000,000)					$ 2,200,000
Right of Use Assets Recognized																17,642,000	15,820,000	90,927,000	[1]
Loans [Abstract]
Loans and Leases Receivable, Deferred Income			$ 34,300,000				53,200,000									$ 34,300,000	53,200,000
Percentage of loan portfolio assigned specific risk rating			76.60%													76.60%
Risk rated loans			$ 1,000,000													$ 1,000,000
Other Assets [Abstract]
Premises and equipment, net			$ 288,182,000				290,001,000									288,182,000	290,001,000
Amortization																$ 1,600,000	2,300,000	2,700,000
Number of trusts investment			12													12
Value of investments with trust companies			$ 4,000,000													$ 4,000,000
Cash surrender value of life insurance			761,900,000				743,900,000									761,900,000	743,900,000
Bank-owned life insurance																18,942,000	18,784,000	17,361,000
investments are included in CRA investments			189,600,000				143,200,000									189,600,000	143,200,000
Amortization Method Qualified Affordable Housing Project Investments			116,200,000				90,200,000									116,200,000	90,200,000
Variable Interest Entity [Line Items]
Federal Reserve Bank and Federal Home Loan Bank (FHLB) stock			67,800,000				80,400,000									67,800,000	80,400,000
Other Investments			101,000,000				47,800,000									101,000,000	47,800,000
Gain (loss) due to change in fair value of investments																23,109,000	1,071,000	2,789,000
Other Real Estate Owned [Abstract]
Other real estate owned			8,500,000				12,400,000									8,500,000	12,400,000
Valuation allowance related to other real estate owned			$ 0				$ 0									0	0
Foreclosed real estate expense																	8,600,000	4,200,000
Foreclosed Real Estate Benefit																(712,300)
Income Tax Contingency [Line Items]
Income Tax Examination, Penalties and Interest Expense																$ 0	$ 571,000	$ 0
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options outstanding (in shares) | shares			56,147				101,769				119,274					56,147	101,769	119,274		178,591
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements | shares																458,808	277,896	399,600
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares																32,684	394,593	160,492
Basic earnings per share calculation [Abstract]
Numerator - Net income (loss) available to common stockholders			$ 129,730,000	$ 132,779,000	$ 127,992,000	$ 121,630,000	$ 107,078,000	$ 106,847,000	$ 62,444,000	$ 28,356,000	$ 96,079,000	$ 110,521,000	$ 100,321,000	$ 93,960,000		$ 512,131,000	$ 304,725,000	$ 400,881,000
Denominator - Weighted average common shares outstanding (in shares) | shares																75,468,339	75,376,489	76,364,303
Basic net income per common share (in dollars per share) | $ / shares			$ 1.72	$ 1.76	$ 1.70	$ 1.61	$ 1.42	$ 1.42	$ 0.83	$ 0.37	$ 1.26	$ 1.45	$ 1.31	$ 1.22		$ 6.79	$ 4.04	$ 5.25
Diluted net income per share calculation [Abstract]
Numerator - Net income (loss) available to common stockholders			$ 129,730,000	$ 132,779,000	$ 127,992,000	$ 121,630,000	$ 107,078,000	$ 106,847,000	$ 62,444,000	$ 28,356,000	$ 96,079,000	$ 110,521,000	$ 100,321,000	$ 93,960,000		$ 512,131,000	$ 304,725,000	$ 400,881,000
Denominator - Weighted average common shares outstanding (in shares) | shares																75,468,339	75,376,489	76,364,303
Dilutive shares (in shares) | shares																458,808	277,896	399,600
Weighted average diluted common shares outstanding (in shares) | shares																75,927,147	75,654,385	76,763,903
Diluted net income per common share (in dollars per share) | $ / shares			$ 1.71	$ 1.75	$ 1.69	$ 1.61	$ 1.42	$ 1.42	$ 0.83	$ 0.37	$ 1.26	$ 1.44	$ 1.31	$ 1.22		$ 6.75	$ 4.03	$ 5.22
New Accounting Pronouncements or Change in Accounting Principle
Right of Use Assets Recognized																$ 17,642,000	$ 15,820,000	$ 90,927,000	[1]
Premises and Equipment | Minimum
Premises and Equipment and Leaseholds [Abstract]
Premises and equipment, useful life																3 years
Premises and Equipment | Maximum
Premises and Equipment and Leaseholds [Abstract]
Premises and equipment, useful life																30 years
Computer Software, Intangible Asset
Other Assets [Abstract]
Premises and equipment, net			$ 5,100,000				$ 4,500,000									$ 5,100,000	4,500,000
Computer Software, Intangible Asset | Minimum
Premises and Equipment and Leaseholds [Abstract]
Premises and equipment, useful life																3 years
Computer Software, Intangible Asset | Maximum
Premises and Equipment and Leaseholds [Abstract]
Premises and equipment, useful life																7 years
Bankers Healthcare Group, LLC
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage			49.00%													49.00%
Finite-lived Intangible Assets [Roll Forward]
Amortization																$ (752,000)	$ (1,200,000)	$ (1,900,000)
Internal Revenue Service (IRS) | Minimum
Income Tax Contingency [Line Items]
Tax year open to audit under the statute of limitation																2018
Internal Revenue Service (IRS) | Maximum
Income Tax Contingency [Line Items]
Tax year open to audit under the statute of limitation																2021
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Stock options outstanding (in shares) | shares			56,147													56,147
Accounting Standards Update 2016-02
Noncash Transactions [Abstract]
Right of Use Assets Recognized		$ 79,900,000
New Accounting Pronouncements or Change in Accounting Principle
Right of Use Assets Recognized		$ 79,900,000
[1]	Includes $79.9 million recognized upon initial adoption of ASU 2016-02 on January 1, 2019.

Equity method investment Equity

Equity method investment Equity method investment - Financial Position and Results of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Assets	$ 38,469,399	$ 34,932,860
Liabilities	33,158,792	30,028,249
Total liabilities and stockholders' equity	38,469,399	34,932,860
Bankers Healthcare Group, LLC
Schedule of Equity Method Investments [Line Items]
Assets	2,724,542	1,330,317
Liabilities	2,355,256	1,088,135
Equity interests	369,286	242,182
Total liabilities and stockholders' equity	2,724,542	1,330,317
Bankers Healthcare Group, LLC
Schedule of Equity Method Investments [Line Items]
Revenues	735,506	457,928	$ 366,500
Income before income taxes and equity in undistributed income of subsidiaries	$ 241,051	$ 171,964	$ 182,462

Equity method investment (Detai

Equity method investment (Details) - USD ($) $ in Thousands	Mar. 01, 2016	Feb. 01, 2015	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Core deposits and other intangible assets			$ 33,819	$ 42,336
Amortization of intangibles			8,518	9,793	$ 9,908
Dividends received from equity method investment			69,996	53,020	51,312
Loans			$ 23,414,262	22,424,501
Bankers Healthcare Group, LLC
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage			49.00%
Payments to Acquire Businesses, Gross	$ 74,100
Additional ownership percentage	19.00%
Core deposits and other intangible assets			$ 6,800	7,600
Amortization of intangibles			752	1,200	1,900
Accretion income			1,500	2,100	2,600
Accretable discount			1,200	2,700
Dividends received from equity method investment			70,000	53,000	51,300
Line of Credit Facility, Maximum Borrowing Capacity			100,000
Proceeds from Lines of Credit			$ 47,200
Line of Credit Facility, Interest Rate Description			SOFR plus 200 basis points
Commercial loans held for sale sold			$ 646,600	453,800	337,800
Payments to Acquire Loans Held-for-investment			276,700	100,000	$ 0
Loans			$ 319,100	$ 95,800
Bankers Healthcare Group, LLC | Bankers Healthcare Group, LLC
Schedule of Equity Method Investments [Line Items]
Common stock issued (in shares)	860,470
Common stock issued in the purchase agreement (value)	$ 39,900
Bankers Healthcare Group, LLC | Pinnacle Financial
Schedule of Equity Method Investments [Line Items]
Additional ownership percentage	8.55%
Bankers Healthcare Group, LLC | Pinnacle Bank
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage		30.00%
Payments to Acquire Businesses, Gross		$ 75,000
Additional ownership percentage	10.45%

Restricted Cash Balances (Detai

Restricted Cash Balances (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash and Cash Equivalents [Abstract]
Average Daily Cash Balance with Federal Reserve Bank	$ 2,900,000	$ 2,200,000
Restricted cash	$ 82,505	$ 223,788

Securities Securities - Availab

Securities Securities - Available for sale (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	$ 4,858,544	$ 3,487,296
Gross Unrealized Gain	88,336	117,222
Gross Unrealized Loss	32,686	17,837
Securities available-for-sale, at fair value	4,914,194	3,586,681
Available-for-sale, Amortized Cost
Due in one year of less	103,578
Due in one year to five years	320,844
Due in five to ten years	507,968
Due after ten years	1,785,185
Mortgage-backed securities	1,908,675
Asset-backed securities	232,294
Amortized Cost	4,858,544	3,487,296
Available-for-sale, Fair Value
Due in one year or less	103,533
Due in one year to five years	321,710
Due in five years to ten years	513,643
Due after ten years	1,825,500
Mortgage-backed securities	1,920,239
Asset-backed securities	229,569
Securities available-for-sale, at fair value	4,914,194	3,586,681
US Treasury Securities
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	194,490	82,199
Gross Unrealized Gain	0	10
Gross Unrealized Loss	881	0
Securities available-for-sale, at fair value	193,609	82,209
Available-for-sale, Amortized Cost
Amortized Cost	194,490	82,199
Available-for-sale, Fair Value
Securities available-for-sale, at fair value	193,609	82,209
U.S. Government Agency Securities
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	634,611	74,916
Gross Unrealized Gain	2,359	1,547
Gross Unrealized Loss	4,961	60
Securities available-for-sale, at fair value	632,009	76,403
Available-for-sale, Amortized Cost
Amortized Cost	634,611	74,916
Available-for-sale, Fair Value
Securities available-for-sale, at fair value	632,009	76,403
Mortgage-backed Agency Securities
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	1,908,675	1,623,759
Gross Unrealized Gain	29,874	67,759
Gross Unrealized Loss	18,310	2,327
Securities available-for-sale, at fair value	1,920,239	1,689,191
Available-for-sale, Amortized Cost
Amortized Cost	1,908,675	1,623,759
Available-for-sale, Fair Value
Securities available-for-sale, at fair value	1,920,239	1,689,191
State and Municipal Securities
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	1,774,119	1,411,288
Gross Unrealized Gain	52,961	44,559
Gross Unrealized Loss	3,243	12,484
Securities available-for-sale, at fair value	1,823,837	1,443,363
Available-for-sale, Amortized Cost
Amortized Cost	1,774,119	1,411,288
Available-for-sale, Fair Value
Securities available-for-sale, at fair value	1,823,837	1,443,363
Asset-backed Securities
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	232,294	177,878
Gross Unrealized Gain	60	715
Gross Unrealized Loss	2,785	657
Securities available-for-sale, at fair value	229,569	177,936
Available-for-sale, Amortized Cost
Amortized Cost	232,294	177,878
Available-for-sale, Fair Value
Securities available-for-sale, at fair value	229,569	177,936
Corporate Notes
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	114,355	117,256
Gross Unrealized Gain	3,082	2,632
Gross Unrealized Loss	2,506	2,309
Securities available-for-sale, at fair value	114,931	117,579
Available-for-sale, Amortized Cost
Amortized Cost	114,355	117,256
Available-for-sale, Fair Value
Securities available-for-sale, at fair value	$ 114,931	$ 117,579

Securities Securities - Amortiz

Securities Securities - Amortized Cost and Fair Value of Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	$ 1,156,119	$ 1,028,550
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain	33,052	38,272
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	1,122	291
Fair Value	1,188,049	1,066,531
Allowance for credit losses - securities held-to-maturity	(161)	(191)
Securities held-to-maturity, net of allowance for credit losses	1,155,958	1,028,359
Debt Securities, Held-to-maturity, Maturity, Amortized Cost, Net [Abstract]
Due in one year or less	0
Due in one year to five years	13,330
Due in five to ten years	5,648
Due after ten years	1,030,586
Mortgage-backed securities	106,555
Asset-backed securities	0
Amortized cost	1,156,119	1,028,550
Debt Securities, Held-to-maturity, Maturity, Fair Value [Abstract]
Due in one year or less	0
Due in one year to five years	13,342
Due in five to ten years	5,728
Due after ten years	1,062,534
Mortgage-backed securities	106,445
Asset-backed securities	0
Fair Value	1,188,049	1,066,531
U.S. Government Agency Securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	11,920
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain	0
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	37
Fair Value	11,883
Debt Securities, Held-to-maturity, Maturity, Amortized Cost, Net [Abstract]
Amortized cost	11,920
Debt Securities, Held-to-maturity, Maturity, Fair Value [Abstract]
Fair Value	11,883
Mortgage-backed Agency Securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	106,555
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain	86
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	196
Fair Value	106,445
Debt Securities, Held-to-maturity, Maturity, Amortized Cost, Net [Abstract]
Amortized cost	106,555
Debt Securities, Held-to-maturity, Maturity, Fair Value [Abstract]
Fair Value	106,445
State and Municipal Securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized cost	1,037,644	1,028,550
Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain	32,966	38,272
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	889	291
Fair Value	1,069,721	1,066,531
Debt Securities, Held-to-maturity, Maturity, Amortized Cost, Net [Abstract]
Amortized cost	1,037,644	1,028,550
Debt Securities, Held-to-maturity, Maturity, Fair Value [Abstract]
Fair Value	$ 1,069,721	$ 1,066,531

Securities Securities - Unreali

Securities Securities - Unrealized Losses (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Investment securities, continuous unrealized loss position [Abstract]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 1,946,549	$ 407,150
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	21,578	4,277
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	317,275	464,283
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	11,808	13,560
Debt Securities, Available-for-sale, Unrealized Loss Position	2,263,824	871,433
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	33,386	17,837
US Treasury Securities
Investment securities, continuous unrealized loss position [Abstract]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	178,610	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	881	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Debt Securities, Available-for-sale, Unrealized Loss Position	178,610	0
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	881	0
U.S. Government Agency Securities
Investment securities, continuous unrealized loss position [Abstract]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	365,833	9,962
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	3,024	38
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value	54,266	6,091
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1,974	22
Debt Securities, Available-for-sale, Unrealized Loss Position	420,099	16,053
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	4,998	60
Mortgage-backed Agency Securities
Investment securities, continuous unrealized loss position [Abstract]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	825,664	165,696
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	11,859	1,772
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	178,956	35,997
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	6,647	555
Debt Securities, Available-for-sale, Unrealized Loss Position	1,004,620	201,693
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	18,506	2,327
State and Municipal Securities
Investment securities, continuous unrealized loss position [Abstract]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	363,102	175,115
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	2,665	2,220
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	57,270	345,435
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1,045	10,264
Debt Securities, Available-for-sale, Unrealized Loss Position	420,372	520,550
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	3,710	12,484
Asset-backed Securities
Investment securities, continuous unrealized loss position [Abstract]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	198,349	46,399
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	2,595	207
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	6,513	52,840
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	190	450
Debt Securities, Available-for-sale, Unrealized Loss Position	204,862	99,239
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	2,785	657
Corporate Notes
Investment securities, continuous unrealized loss position [Abstract]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	14,991	9,978
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	554	40
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	20,270	23,920
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	1,952	2,269
Debt Securities, Available-for-sale, Unrealized Loss Position	35,261	33,898
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ 2,506	$ 2,309

Securities (Details)

Securities (Details) - USD ($)	Jan. 01, 2022	Mar. 31, 2020	Sep. 30, 2018	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Available-for-sale securities transferred to Held-to-Maturity	$ 1,100,000,000	$ 873,600,000	$ 179,800,000	$ 0	$ 873,613,000	$ 0
Unrealized after tax gain (loss) on available-for-sale securities transferred to the held-to-maturity portfolio	$ (1,500,000)	$ 69,000,000	$ (2,200,000)
Allowance for credit losses - securities held-to-maturity				(161,000)	(191,000)
Securities pledged as collateral to secure public funds and other deposits or securities sold under agreements to repurchase				671,700,000
Securities Loaned and Securities Sold under Agreement to Repurchase, Gross Including Not Subject to Master Netting Arrangement				152,600,000
Proceeds from Sale of Debt Securities, Available-for-sale				37,457,000	145,631,000	737,717,000
Debt Securities, Available-for-sale, Realized Gain				769,000	2,200,000	1,000,000
Debt Securities, Available-for-sale, Realized Loss				10,000	$ 1,200,000	$ 6,900,000
Securities pledged as collateral
Debt Securities, Available-for-sale [Line Items]
Securities Loaned and Securities Sold under Agreement to Repurchase, Gross Including Not Subject to Master Netting Arrangement				$ 152,600,000

Loans and Allowance for Loan _2

Loans and Allowance for Loan Losses (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	$ 31,569,000	$ 73,836,000
Financing Receivable, Nonaccrual, No Allowance	13,188,000	36,537,000
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 1,607,000	2,362,000
Percentage of credit exposure to risk based capital	25.00%
Loans and other extensions of credit granted to directors, executive officers, and their related entities	$ 45,200,000	10,700,000
Amount drawn from loans and other extensions of credit granted	14,500,000	6,800,000
Commercial loans held-for-sale	17,685,000	31,200,000
Mortgage loans held-for-sale	30,300,000	67,800,000
Mortgage Loan Volumes Sold	1,600,000,000	1,800,000,000
Gains on mortgage loans sold, net	32,424,000	60,042,000	$ 24,335,000
Loans	23,414,262,000	22,424,501,000
Impaired Financing Receivable, Interest Income, Cash Basis Method	0	0	176,000
Interest Lost on impaired loans	1,700,000	3,300,000	$ 3,000,000
Currently performing impaired loans	15,500,000	51,700,000
Paycheck Protection Program
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans	371,100,000	1,800,000,000
Commercial Real Estate Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	2,694,000	10,231,000
Financing Receivable, Nonaccrual, No Allowance	0	5,985,000
Financing Receivable, 90 Days or More Past Due, Still Accruing	0	0
Loans	3,048,822,000	2,802,227,000
Commercial real estate non owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	1,404,000	5,219,000
Financing Receivable, Nonaccrual, No Allowance	0	1,522,000
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 0	$ 0
Percentage of credit exposure to risk based capital	234.10%	264.00%
Loans	$ 5,221,704,000	$ 5,203,384,000
Consumer Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	10,264,000	22,191,000
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	144,000	273,000
Construction and Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	356,000	1,953,000
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	$ 0	$ 0
Percentage of credit exposure to risk based capital	79.10%	89.00%
Loans	$ 2,903,017,000	$ 2,901,746,000
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	16,849,000	34,238,000
Financing Receivable, Nonaccrual, No Allowance	13,188,000	29,030,000
Financing Receivable, 90 Days or More Past Due, Still Accruing	1,091,000	1,785,000
Consumer and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans	2,000	4,000
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, 90 Days or More Past Due, Still Accruing	372,000	304,000
Loans	$ 485,489,000	$ 379,515,000

Loans and Allowance for Loan _3

Loans and Allowance for Loan Losses Loan Classification by Risk Rating Category (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Receivables [Abstract]
Percentage of loan portfolio as commercial loan		76.60%
Risk rated loans		$ 1,000
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		9,094,921
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		4,259,785
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		2,626,032
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		1,322,287
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		818,344
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		1,206,571
Financing Receivable, Revolving		4,086,322
Loans		23,414,262	$ 22,424,501
Potential problem loans		109,600	173,500
Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		8,948,119
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		3,920,681
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		2,496,213
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		1,285,630
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		774,433
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		1,165,995
Financing Receivable, Revolving		4,009,111
Loans		22,600,182
Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		121,261
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		315,794
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		111,962
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		18,894
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		34,444
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		32,878
Financing Receivable, Revolving		37,679
Loans		672,912
Substandard Accrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	[1]	24,404
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	[1]	10,710
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	[1]	12,409
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	[1]	15,173
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	[1]	8,768
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	[1]	2,579
Financing Receivable, Revolving	[1]	35,556
Loans	[1]	109,599
Substandard Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		1,137
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		12,600
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		5,448
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		2,590
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		699
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		5,119
Financing Receivable, Revolving		3,976
Loans		31,569
Doubtful Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0
Financing Receivable, Revolving		0
Loans		0
Commercial Real Estate Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		965,782
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		755,526
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		417,921
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		331,380
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		201,368
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		298,738
Financing Receivable, Revolving		78,107
Loans		3,048,822	2,802,227
Commercial Real Estate Owner Occupied | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		951,693
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		732,232
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		390,068
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		327,933
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		190,395
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		294,150
Financing Receivable, Revolving		72,222
Loans		2,958,693
Commercial Real Estate Owner Occupied | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		9,462
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		21,875
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		21,633
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		2,246
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		6,952
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		3,806
Financing Receivable, Revolving		5,885
Loans		71,859
Commercial Real Estate Owner Occupied | Substandard Accrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	[1]	3,976
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	[1]	1,349
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	[1]	5,823
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	[1]	219
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	[1]	3,626
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	[1]	582
Financing Receivable, Revolving	[1]	0
Loans	[1]	15,575
Commercial Real Estate Owner Occupied | Substandard Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		651
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		70
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		397
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		982
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		395
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		200
Financing Receivable, Revolving		0
Loans		2,695
Commercial Real Estate Owner Occupied | Doubtful Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0
Financing Receivable, Revolving		0
Loans		0
Commercial real estate non owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		1,758,179
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		1,212,644
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		872,137
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		440,476
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		381,768
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		483,756
Financing Receivable, Revolving		72,744
Loans		5,221,704	5,203,384
Commercial real estate non owner occupied | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		1,662,320
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		915,986
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		826,859
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		428,119
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		353,775
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		454,916
Financing Receivable, Revolving		72,744
Loans		4,714,719
Commercial real estate non owner occupied | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		94,183
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		288,608
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		43,925
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		8,917
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		26,295
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		27,937
Financing Receivable, Revolving		0
Loans		489,865
Commercial real estate non owner occupied | Substandard Accrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	[1]	1,676
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	[1]	8,050
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	[1]	1,353
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	[1]	2,939
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	[1]	1,698
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	[1]	0
Financing Receivable, Revolving	[1]	0
Loans	[1]	15,716
Commercial real estate non owner occupied | Substandard Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		501
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		903
Financing Receivable, Revolving		0
Loans		1,404
Commercial real estate non owner occupied | Doubtful Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0
Financing Receivable, Revolving		0
Loans		0
Consumer Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		1,231,799
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		578,171
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		311,231
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		191,107
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		110,629
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		290,751
Financing Receivable, Revolving		966,996
Loans		3,680,684	3,099,172
Consumer Real Estate | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		1,231,491
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		576,608
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		306,762
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		189,715
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		110,420
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		284,642
Financing Receivable, Revolving		964,902
Loans		3,664,540
Consumer Real Estate | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		120
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		688
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		752
Financing Receivable, Revolving		0
Loans		1,560
Consumer Real Estate | Substandard Accrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	[1]	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	[1]	864
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	[1]	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	[1]	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	[1]	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	[1]	1,817
Financing Receivable, Revolving	[1]	1,640
Loans	[1]	4,321
Consumer Real Estate | Substandard Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		188
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		699
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		4,469
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		704
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		209
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		3,540
Financing Receivable, Revolving		454
Loans		10,263
Consumer Real Estate | Doubtful Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0
Financing Receivable, Revolving		0
Loans		0
Construction and Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		1,587,204
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		802,942
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		415,793
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		72,130
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		12,290
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		3,163
Financing Receivable, Revolving		9,495
Loans		2,903,017	2,901,746
Construction and Land Development | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		1,584,155
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		802,059
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		406,645
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		72,112
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		12,290
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		2,873
Financing Receivable, Revolving		9,495
Loans		2,889,629
Construction and Land Development | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		3,049
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		883
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		8,908
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0
Financing Receivable, Revolving		0
Loans		12,840
Construction and Land Development | Substandard Accrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	[1]	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	[1]	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	[1]	11
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	[1]	18
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	[1]	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	[1]	163
Financing Receivable, Revolving	[1]	0
Loans	[1]	192
Construction and Land Development | Substandard Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		229
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		127
Financing Receivable, Revolving		0
Loans		356
Construction and Land Development | Doubtful Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0
Financing Receivable, Revolving		0
Loans		0
Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		3,355,352
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		828,399
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		602,973
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		284,959
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		110,190
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		128,629
Financing Receivable, Revolving		2,764,044
Loans		8,074,546	8,038,457
Commercial and Industrial | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		3,321,855
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		811,693
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		559,902
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		265,516
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		105,454
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		127,880
Financing Receivable, Revolving		2,694,814
Loans		7,887,114
Commercial and Industrial | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		14,447
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		4,428
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		37,496
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		7,043
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		1,197
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		383
Financing Receivable, Revolving		31,794
Loans		96,788
Commercial and Industrial | Substandard Accrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	[1]	18,752
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	[1]	447
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	[1]	5,222
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	[1]	11,997
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	[1]	3,444
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	[1]	17
Financing Receivable, Revolving	[1]	33,916
Loans	[1]	73,795
Commercial and Industrial | Substandard Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		298
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		11,831
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		353
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		403
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		95
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		349
Financing Receivable, Revolving		3,520
Loans		16,849
Commercial and Industrial | Doubtful Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0
Financing Receivable, Revolving		0
Loans		0
Consumer and Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		196,605
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		82,103
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		5,977
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		2,235
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		2,099
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		1,534
Financing Receivable, Revolving		194,936
Loans		485,489	$ 379,515
Consumer and Other | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		196,605
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		82,103
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		5,977
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		2,235
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		2,099
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		1,534
Financing Receivable, Revolving		194,934
Loans		485,487
Consumer and Other | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0
Financing Receivable, Revolving		0
Loans		0
Consumer and Other | Substandard Accrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	[1]	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	[1]	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	[1]	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	[1]	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	[1]	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	[1]	0
Financing Receivable, Revolving	[1]	0
Loans	[1]	0
Consumer and Other | Substandard Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0
Financing Receivable, Revolving		2
Loans		2
Consumer and Other | Doubtful Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year		0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year		0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year		0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year		0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year		0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year		0
Financing Receivable, Revolving		0
Loans		$ 0
[1]	Potential problem loans represent those loans with a well-defined weakness and where information about possible credit problems of borrowers has caused management to have doubts about the borrower's ability to comply with present repayment terms. This definition is believed to be substantially consistent with the standards established by Pinnacle Bank's primary regulators for loans classified as substandard, excluding TDRs. Potential problem loans, which are not included in nonaccrual loans, amounted to approximately $109.6 million at December 31, 2021, compared to $173.5 million at December 31, 2020.

Loans and Allowance for Loan _4

Loans and Allowance for Loan Losses, Financing Receivables Past Due (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	$ 23,414,262	$ 22,424,501
Financial Asset, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	17,573	31,881
Financial Asset, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,367	15,721
Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	15,331	17,443
Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	36,271	65,045
Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	23,377,991	22,359,456
Commercial Real Estate Owner Occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,048,822	2,802,227
Commercial Real Estate Owner Occupied | Financial Asset, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	727	934
Commercial Real Estate Owner Occupied | Financial Asset, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	2,672
Commercial Real Estate Owner Occupied | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	2,426	1,860
Commercial Real Estate Owner Occupied | Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,153	5,466
Commercial Real Estate Owner Occupied | Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,045,669	2,796,761
Commercial real estate non owner occupied
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	5,221,704	5,203,384
Commercial real estate non owner occupied | Financial Asset, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,434	726
Commercial real estate non owner occupied | Financial Asset, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	6,220
Commercial real estate non owner occupied | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	645	3,861
Commercial real estate non owner occupied | Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	2,079	10,807
Commercial real estate non owner occupied | Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	5,219,625	5,192,577
Consumer Real Estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,680,684	3,099,172
Consumer Real Estate | Financial Asset, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	8,710	8,859
Consumer Real Estate | Financial Asset, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	122	328
Consumer Real Estate | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	4,450	6,274
Consumer Real Estate | Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	13,282	15,461
Consumer Real Estate | Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	3,667,402	3,083,711
Construction and Land Development
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	2,903,017	2,901,746
Construction and Land Development | Financial Asset, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	61	278
Construction and Land Development | Financial Asset, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	0	418
Construction and Land Development | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	127	736
Construction and Land Development | Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	188	1,432
Construction and Land Development | Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	2,902,829	2,900,314
Commercial and Industrial
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	8,074,546	8,038,457
Commercial and Industrial | Financial Asset, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	4,926	20,278
Commercial and Industrial | Financial Asset, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	2,677	5,801
Commercial and Industrial | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	7,311	4,408
Commercial and Industrial | Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	14,914	30,487
Commercial and Industrial | Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	8,059,632	8,007,970
Consumer and Other
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	485,489	379,515
Consumer and Other | Financial Asset, 30 to 59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,715	806
Consumer and Other | Financial Asset, 60 to 89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	568	282
Consumer and Other | Financial Asset, Equal to or Greater than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	372	304
Consumer and Other | Financial Asset, Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	2,655	1,392
Consumer and Other | Financial Asset, Not Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	$ 482,834	$ 378,123

Loans and Allowance for Loan _5

Loans and Allowance for Loan Losses, Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2020	Dec. 31, 2018
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	$ 263,233	$ 285,050	$ 94,777		$ 83,575
Charged-off loans	(54,996)	(49,333)	(28,467)
Recovery of previously charged-off loans	16,273	9,962	12,386
Provision for credit losses	16,906	191,542	27,283
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses				$ 38,102
Commercial Real Estate Owner Occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	19,618	23,298	13,406		10,575
Charged-off loans	(1,420)	(2,598)	(1,625)
Recovery of previously charged-off loans	1,609	1,317	1,252
Provision for credit losses	(3,869)	10,909	3,204
Commercial Real Estate Owner Occupied | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses				264
Commercial real estate non owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	58,504	79,132	19,963		16,371
Charged-off loans	(786)	(546)	(75)
Recovery of previously charged-off loans	969	911	980
Provision for credit losses	(20,811)	63,544	2,687
Commercial real estate non owner occupied | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses				(4,740)
Consumer Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	32,104	33,304	8,054		7,670
Charged-off loans	(632)	(3,478)	(1,335)
Recovery of previously charged-off loans	2,288	1,493	1,827
Provision for credit losses	(2,856)	6,206	(108)
Consumer Real Estate | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses				21,029
Construction and Land Development
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	29,429	42,408	12,662		11,128
Charged-off loans	(367)	0	(18)
Recovery of previously charged-off loans	372	147	682
Provision for credit losses	(12,984)	32,743	870
Construction and Land Development | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses				(3,144)
Commercial and Industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	112,340	98,423	36,112		31,731
Charged-off loans	(46,213)	(38,718)	(19,208)
Recovery of previously charged-off loans	7,485	4,540	6,473
Provision for credit losses	52,645	73,449	17,116
Commercial and Industrial | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses				23,040
Consumer and Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	11,238	8,485	3,595		5,423
Charged-off loans	(5,578)	(3,993)	(6,206)
Recovery of previously charged-off loans	3,550	1,554	1,172
Provision for credit losses	4,781	4,691	3,206
Consumer and Other | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses				2,638
Unallocated Financing Receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses	0	0	985		$ 677
Charged-off loans	0	0	0
Recovery of previously charged-off loans	0	0	0
Provision for credit losses	$ 0	$ 0	$ 308
Unallocated Financing Receivables | Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Allowance for Credit Losses				$ (985)

Loans and Allowance for Loan _6

Loans and Allowance for Loan Losses, Impaired Financing Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	$ 35,713	$ 74,292
Real Estate
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	28,531	51,812
Business Assets
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	6,976	22,437
Other
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	206	43
Commercial Real Estate Owner Occupied
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	5,300	15,681
Commercial Real Estate Owner Occupied | Real Estate
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	5,300	15,681
Commercial Real Estate Owner Occupied | Business Assets
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Commercial Real Estate Owner Occupied | Other
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Commercial real estate non owner occupied
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	5,631	7,000
Commercial real estate non owner occupied | Real Estate
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	5,631	7,000
Commercial real estate non owner occupied | Business Assets
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Commercial real estate non owner occupied | Other
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Consumer Real Estate
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	16,392	27,082
Consumer Real Estate | Real Estate
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	16,392	27,082
Consumer Real Estate | Business Assets
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Consumer Real Estate | Other
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Construction and Land Development
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	1,208	2,049
Construction and Land Development | Real Estate
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	1,208	2,049
Construction and Land Development | Business Assets
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Construction and Land Development | Other
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Commercial and Industrial
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	7,182	22,476
Commercial and Industrial | Real Estate
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Commercial and Industrial | Business Assets
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	6,976	22,437
Commercial and Industrial | Other
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	206	39
Consumer and Other
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	4
Consumer and Other | Real Estate
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Consumer and Other | Business Assets
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	0	0
Consumer and Other | Other
Financing Receivable, Impaired [Line Items]
Individually Evaluated for Impairment	$ 0	$ 4

Loans and Allowance for Loan _7

Loans and Allowance for Loan Losses, Troubled Debt Restructurings (Details)	12 Months Ended
	Dec. 31, 2021USD ($)contract	Dec. 31, 2020USD ($)contract	Dec. 31, 2019USD ($)contract
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Accruing As Of Restructured Date	$ 2,400,000	$ 2,500,000
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts | contract		1	4
Pre Modification Outstanding Recorded Investment		$ 807,000	$ 2,326,000
Post Modification Outstanding Recorded Investment net of related allowance		$ 807,000	$ 1,766,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0	$ 0
Commercial Real Estate Owner Occupied
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts | contract		0	1
Pre Modification Outstanding Recorded Investment		$ 0	$ 306,000
Post Modification Outstanding Recorded Investment net of related allowance		$ 0	$ 287,000
Commercial real estate non owner occupied
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts | contract		0	0
Pre Modification Outstanding Recorded Investment		$ 0	$ 0
Post Modification Outstanding Recorded Investment net of related allowance		$ 0	$ 0
Consumer Real Estate
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts | contract		1	1
Pre Modification Outstanding Recorded Investment		$ 807,000	$ 683,000
Post Modification Outstanding Recorded Investment net of related allowance		$ 807,000	$ 683,000
Construction and Land Development
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts | contract		0	1
Pre Modification Outstanding Recorded Investment		$ 0	$ 19,000
Post Modification Outstanding Recorded Investment net of related allowance		$ 0	$ 19,000
Commercial and Industrial
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts | contract		0	1
Pre Modification Outstanding Recorded Investment		$ 0	$ 1,318,000
Post Modification Outstanding Recorded Investment net of related allowance		$ 0	$ 777,000
Consumer and Other
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts | contract		0	0
Pre Modification Outstanding Recorded Investment		$ 0	$ 0
Post Modification Outstanding Recorded Investment net of related allowance		$ 0	$ 0

Loans and Allowance for Loan _8

Loans and Allowance for Loan Losses - Industry Classification System (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	$ 6,562,456
Unfunded Commitments	3,827,679
Total exposure	10,390,135	$ 8,732,519
Lessors of Nonresidential Buildings
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	3,779,463
Unfunded Commitments	1,589,175
Total exposure	5,368,638	4,442,712
Lessors of Residential Buildings and Dwellings [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	1,361,389
Unfunded Commitments	1,204,963
Total exposure	2,566,352	2,126,246
New housing for-sale builders
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	555,069
Unfunded Commitments	979,720
Total exposure	1,534,789	1,124,302
Hotels and motels
Accounts, Notes, Loans and Financing Receivable [Line Items]
Outstanding Principal Balances	866,535
Unfunded Commitments	53,821
Total exposure	$ 920,356	$ 1,039,259

Premises and Equipment and Le_3

Premises and Equipment and Lease Commitments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 466,183	$ 442,117
Accumulated depreciation and amortization	(178,001)	(152,116)
Property, Plant and Equipment, Net	288,182	290,001
Depreciation and amortization expense	$ 22,200	$ 22,800	$ 22,100
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets	Other assets
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Lease, Cost [Abstract]
Operating Lease, Cost	$ 15,696	$ 13,963	13,992
Short-term Lease, Cost	297	354	295
Finance Lease, Interest Expense	208	227	243
Amortization of right-of-use assets	226	226	226
Sublease Income	(1,309)	(1,324)	(1,463)
Lease, Cost	$ 15,118	$ 13,446	13,293
Weighted average remaining lease term
Operating leases	10 years	10 years 4 months 13 days
Finance leases	6 years 10 months 2 days	7 years 10 months 2 days
Weighted average discount rate
Operating leases	2.71%	2.91%
Finance leases	7.22%	7.22%
Operating cash flows related to operating leases	$ 14,712	$ 13,494	13,609
Financing cash flows related to finance leases	208	227	243
Finance Lease, Principal Payments	261	243	$ 226
Property, Plant and Equipment
Right of Use Assets [Abstract]
Operating Lease, Right-of-Use Asset	92,819	83,647
Finance Lease, Right-of-Use Asset	1,544	1,770
Total right-of-use assets	94,363	85,417
Lease Liabilities [Abstract]
Operating Lease, Liability	97,925	87,737
Finance Lease, Liability	2,739	3,001
Total lease liabilities	100,664	90,738
Operating Leases
2022	14,557
2023	13,879
2024	13,908
2025	11,717
2026	9,580
Thereafter	50,498
Total	114,139
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	(16,214)
Net lease liabilities	97,925	87,737
Finance Leases
2022	470
2023	479
2024	527
2025	527
2026	527
Thereafter	967
Finance Lease, Liability, Payment, Due	3,497
Finance Lease, Liability, Undiscounted Excess Amount	(758)
Net lease liabilities	2,739	3,001
Land
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	70,240	70,140
Building
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 202,255	194,432
Building | Minimum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	15 years
Building | Maximum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	30 years
Leaseholds and Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 54,922	50,867
Leaseholds and Leasehold Improvements | Minimum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	15 years
Leaseholds and Leasehold Improvements | Maximum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	20 years
Furniture and Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 138,766	$ 126,678
Furniture and Equipment | Minimum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	3 years
Furniture and Equipment | Maximum
Property, Plant and Equipment [Line Items]
Range of Useful Lives	20 years

Deposits (Details)

Deposits (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Time Deposits, Fiscal Year Maturity [Abstract]
2022	$ 1,734,404,000
2023	319,857,000
2024	33,163,000
2025	18,187,000
2026	27,480,000
Thereafter	693,000
Time deposits, Total	2,133,784,000	$ 3,524,632,000
Time Deposits, at or Above FDIC Insurance Limit	603,800,000	808,300,000
Bank Overdrafts	$ 1,900,000	$ 920,000

Federal Home Loan Bank Advanc_3

Federal Home Loan Bank Advances (Details) - USD ($)		Dec. 31, 2021	Dec. 31, 2020
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal Home Loan Bank Advances		$ 888,700,000	$ 1,100,000,000
FHLB Collateral Pledged		7,200,000,000
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract]
2022		0
2023		0
2024		0
2025		116,250,000
2026		0
Thereafter		775,013,000
Federal home loan bank advances, Total		891,263,000
Federal Home Loan Bank, Advances, Discount		2,582,000
Advances from Federal Home Loan Banks		888,681,000	$ 1,087,927,000
Federal Home Loan Bank
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract]
Borrowing availability with FHLB, FRB Discount Window and other correspondent banks		3,100,000,000
Federal Reserve Bank
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract]
Borrowing availability with FHLB, FRB Discount Window and other correspondent banks		3,400,000,000
Correspondent Banks
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract]
Borrowing availability with FHLB, FRB Discount Window and other correspondent banks		$ 155,000,000
Weighted Average
Federal Home Loan Bank, Advances, Maturities Summary, Average Interest Rate of Amounts Due [Abstract]
2022	[1]	0.00%
2023	[1]	0.00%
2024	[1]	0.00%
2025	[1]	0.60%
2026	[1]	0.00%
Thereafter	[1]	2.15%
Weighted average interest rate	[1]	1.94%
[1]	Some FHLB Cincinnati advances include variable interest rates and could increase in the future. The table reflects rates in effect as of December 31, 2021.

Other borrowings (Details)

Other borrowings (Details) - USD ($) $ in Thousands		Nov. 16, 2021	Jul. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Subordinated debt and other borrowings				$ 423,172	$ 670,575
Debt issuance costs and fair value adjustments				(9,823)
Repayments of Subordinated Debt		$ 120,000	$ 130,000
Paycheck Protection Program Liquidity Facility
Debt Instrument [Line Items]
Line of Credit, Current				$ 0
Pinnacle Statutory Trust I
Debt Instrument [Line Items]
Date Established				Dec. 29, 2003
Maturity				Dec. 30, 2033
Subordinated debt and other borrowings				$ 10,310
Interest Rate (as percent)				3.02%
Coupon Structure				30-day LIBOR + 2.80%
Debt Instrument, Basis Spread on Variable Rate				2.80%
Pinnacle Statutory Trust II
Debt Instrument [Line Items]
Date Established				Sep. 15, 2005
Maturity				Sep. 30, 2035
Subordinated debt and other borrowings				$ 20,619
Interest Rate (as percent)				1.62%
Coupon Structure				30-day LIBOR + 1.40%
Debt Instrument, Basis Spread on Variable Rate				1.40%
Pinnacle Statutory Trust III
Debt Instrument [Line Items]
Date Established				Sep. 7, 2006
Maturity				Sep. 30, 2036
Subordinated debt and other borrowings				$ 20,619
Interest Rate (as percent)				1.87%
Coupon Structure				30-day LIBOR + 1.65%
Debt Instrument, Basis Spread on Variable Rate				1.65%
Pinnacle Statutory Trust IV
Debt Instrument [Line Items]
Date Established				Oct. 31, 2007
Maturity				Sep. 30, 2037
Subordinated debt and other borrowings				$ 30,928
Interest Rate (as percent)				3.05%
Coupon Structure				30-day LIBOR + 2.85%
Debt Instrument, Basis Spread on Variable Rate				2.85%
BNC Capital Trust I
Debt Instrument [Line Items]
Date Established				Apr. 3, 2003
Maturity				Apr. 15, 2033
Subordinated debt and other borrowings				$ 5,155
Interest Rate (as percent)				3.37%
Coupon Structure				30-day LIBOR + 3.25%
Debt Instrument, Basis Spread on Variable Rate				3.25%
BNC Capital Trust II
Debt Instrument [Line Items]
Date Established				Mar. 11, 2004
Maturity				Apr. 7, 2034
Subordinated debt and other borrowings				$ 6,186
Interest Rate (as percent)				2.97%
Coupon Structure				30-day LIBOR + 2.85%
Debt Instrument, Basis Spread on Variable Rate				2.85%
BNC Capital Trust III
Debt Instrument [Line Items]
Date Established				Sep. 23, 2004
Maturity				Sep. 23, 2034
Subordinated debt and other borrowings				$ 5,155
Interest Rate (as percent)				2.52%
Coupon Structure				30-day LIBOR + 2.40%
Debt Instrument, Basis Spread on Variable Rate				2.40%
BNC Capital Trust IV
Debt Instrument [Line Items]
Date Established				Sep. 27, 2006
Maturity				Dec. 31, 2036
Subordinated debt and other borrowings				$ 7,217
Interest Rate (as percent)				1.92%
Coupon Structure				30-day LIBOR + 1.70%
Debt Instrument, Basis Spread on Variable Rate				1.70%
Valley Financial Trust I
Debt Instrument [Line Items]
Date Established				Jun. 26, 2003
Maturity				Jun. 26, 2033
Subordinated debt and other borrowings				$ 4,124
Interest Rate (as percent)				3.32%
Coupon Structure				30-day LIBOR + 3.10%
Debt Instrument, Basis Spread on Variable Rate				3.10%
Valley Financial Trust II
Debt Instrument [Line Items]
Date Established				Sep. 26, 2005
Maturity				Dec. 15, 2035
Subordinated debt and other borrowings				$ 7,217
Interest Rate (as percent)				1.69%
Coupon Structure				30-day LIBOR + 1.49%
Debt Instrument, Basis Spread on Variable Rate				1.49%
Valley Financial Trust III
Debt Instrument [Line Items]
Date Established				Dec. 15, 2006
Maturity				Jan. 30, 2037
Subordinated debt and other borrowings				$ 5,155
Interest Rate (as percent)				1.86%
Coupon Structure				30-day LIBOR + 1.73%
Debt Instrument, Basis Spread on Variable Rate				1.73%
Southcoast Capital Trust III
Debt Instrument [Line Items]
Date Established				Aug. 5, 2005
Maturity				Sep. 30, 2035
Subordinated debt and other borrowings				$ 10,310
Interest Rate (as percent)				1.72%
Coupon Structure				30-day LIBOR + 1.50%
Debt Instrument, Basis Spread on Variable Rate				1.50%
Pinnacle Financial Subordinated Notes
Debt Instrument [Line Items]
Date Established				Sep. 11, 2019
Maturity				Sep. 15, 2029
Subordinated debt and other borrowings	[1]			$ 300,000
Interest Rate (as percent)	[1]			4.13%
Coupon Structure	[1]			LIBOR + 2.775%
Debt Instrument, Basis Spread on Variable Rate	[1]			2.775%
Debt Instrument, Term of variable rate	[1]			3 months
[1]	Migrates to three

Income Taxes (Details)

Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	$ 125,016,000	$ 98,082,000	$ 77,422,000
Current State and Local Tax Expense (Benefit)	11,798,000	19,270,000	4,538,000
Total current tax expense (benefit)	136,814,000	117,352,000	81,960,000
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	(12,149,000)	(45,450,000)	12,446,000
State	(83,000)	(12,865,000)	2,250,000
Deferred tax (expense) benefit	(12,232,000)	(58,315,000)	14,696,000
Income tax expense (benefit)	124,582,000	59,037,000	96,656,000
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income tax expense (benefit) at statutory rate	136,900,000	77,985,000	104,483,000
State excise tax expense, net of federal tax effect	9,255,000	5,059,000	5,363,000
Tax-exempt securities	(15,243,000)	(13,706,000)	(11,078,000)
Federal tax credits	(4,712,000)	(3,717,000)	(1,704,000)
Bank owned life insurance	(4,413,000)	(4,759,000)	(3,646,000)
Insurance premiums	(273,000)	(272,000)	(238,000)
Excess tax benefits associated with equity compensation	(2,475,000)	(417,000)	(1,011,000)
Other items	$ 5,543,000	(1,136,000)	4,487,000
Federal income tax statutory rate	21.00%
Deferred Tax Assets, Net [Abstract]
Loan loss allowance	$ 66,785,000	72,316,000
Loans	14,778,000	14,694,000
Insurance	759,000	690,000
Accrued liability for supplemental retirement agreements	7,612,000	7,457,000
Restricted stock and stock options	9,148,000	9,181,000
Equity Method Investments	0	171,000
Leases	26,476,000	23,894,000
Other real estate owned	1,540,000	2,287,000
Net federal operating loss carryforward and credits	1,271,000	1,796,000
Annual Incentive Compensation	23,095,000	8,712,000
Deferred Tax Assets Investment in Noncontrolled Affiliates	27,653,000	25,225,000
Allowance for off balance sheet credit exposures	5,873,000	6,069,000
Other deferred tax assets	1,941,000	2,559,000
Total deferred tax assets	186,931,000	175,051,000
Deferred Tax Liabilities, Net [Abstract]
Depreciation and amortization	14,520,000	14,418,000
Core deposit and other intangible assets	8,787,000	11,077,000
Securities	21,680,000	34,373,000
REIT dividends	1,222,000	1,366,000
FHLB related liabilities	1,600,000	1,798,000
Right-of-use assets and other leasing transactions	24,315,000	22,232,000
Subordinated debt	1,791,000	1,920,000
Partnership interests	23,000	0
Deferred Tax Liabilities, Derivatives	9,890,000	19,627,000
Other deferred tax liabilities	1,831,000	1,630,000
Total deferred tax liabilities	85,659,000	108,441,000
Net deferred tax assets	101,272,000	66,610,000
Unrecognized Tax Benefits	12,737,000	9,658,000	6,910,000	$ 5,083,000
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions	3,647,000	2,748,000	1,827,000
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	0	0	0
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	(568,000)	0	0
Unrecognized Tax Benefits, Increase Resulting from Settlements with Taxing Authorities	0	0	0
Tax Credit Carryforward, Amount	5,700,000
Income Tax Examination, Penalties and Interest Expense	$ 0	$ 571,000	$ 0

Commitments and Contingent Li_2

Commitments and Contingent Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Loss Contingencies [Line Items]
Off-Balance Sheet, Credit Loss, Liability	$ 22,500	$ 23,200
Commitments to Extend Credit
Loss Contingencies [Line Items]
Amount of commitment	12,800,000
Commitments to Extend Credit | Home equity
Loss Contingencies [Line Items]
Amount of commitment	1,300,000
Standby Letters of Credit
Loss Contingencies [Line Items]
Amount of commitment	$ 278,000
Maximum
Loss Contingencies [Line Items]
Expiry period of standby letter of credit, maximum	2 years

Salary Deferral Plans (Details)

Salary Deferral Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred Compensation Arrangements [Abstract]
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	4.00%
Percentage of employee self-directed contributions matched by employer	100.00%
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Compensation expense	$ 11,100	$ 9,400	$ 8,100
Other liabilities	377,343	411,074
Supplemental Employee Retirement Plan
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Other liabilities	30,400	$ 29,800
SERP covered by Rabbi Trust
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Other liabilities	$ 17,200

Stock Options, Restricted Sha_3

Stock Options, Restricted Shares and Restricted Share Units (Details) - USD ($) $ / shares in Units, $ in Thousands		Jul. 31, 2015	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Number [Roll Forward]
Outstanding, Beginning Balance (in shares)			101,769	119,274	178,591
Granted (in shares)			0	0	0
Exercised (in shares)			(45,125)	(17,505)	(59,317)
Forfeited (in shares)			(497)	0	0
Outstanding, Ending Balance (in shares)			56,147	101,769	119,274
Options exercisable (in shares)			56,147
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding, Beginning Balance (in dollars per share)			$ 23.46	$ 23.45	$ 22.77
Granted (in dollars per share)			0	0	0
Exercised (in dollars per share)			22.18	23.40	21.40
Forfeited (in dollars per share)			20	0	0
Outstanding, Ending Balance (in dollars per share)			24.51	$ 23.46	$ 23.45
Options exercisable (in dollars per share)			$ 24.51
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Outstanding			1 year 2 months 8 days
Options exercisable			1 year 2 months 8 days
Aggregate intrinsic value [Abstract]
Outstanding	[1]		$ 3,985
Options exercisable	[1]		$ 3,985
Quoted closing price of common stock (in dollars per share)			$ 95.50
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value			$ 3,000	$ 350	$ 2,300
Share-based Compensation [Abstract]
Restricted stock expense			24,952	18,737	21,226
Income tax benefit			6,522	4,898	5,548
Restricted stock expense, net of income tax benefit			18,430	$ 13,839	$ 15,678
Unrecognized restricted share expense			$ 51,700
Weighted average period over which unrecognized restricted share expense will be recognized			1 year 11 months 15 days
Number [Roll Forward]
Unvested, beginning of period (in shares)			594,669	555,296	692,806
Shares awards			249,641	284,904	245,845
Restrictions lapsed and shares released to associates/directors (in shares)			(193,846)	(215,846)	(348,145)
Shares forfeited (in shares)			(37,129)	(29,685)	(35,210)
Unvested, end of period (in shares)			613,335	594,669	555,296
Grant date weighted average cost [Roll Forward]
Unvested, beginning of period (in dollars per share)			$ 56.97	$ 57.04	$ 55.19
Shares awarded (in dollars per share)			77	55.91	55.25
Restrictions lapsed and shares released to associates/directors (in dollars per share)			56.47	55.39	40.47
Shares forfeited (in dollars per share)			62.79	59.64	58.22
Unvested, end of period (in dollars per share)			$ 64.93	$ 56.97	$ 57.04
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards			249,641	284,904	245,845
Shares forfeited (in shares)			(37,129)	(29,685)	(35,210)
Shares Unvested (in shares)			613,335	594,669	555,296
Restricted Stock Units [Abstract]
Shares awards			249,641	284,904	245,845
Leadership Team
Number [Roll Forward]
Shares awards			134,146	129,723
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards			134,146	129,723
Restricted Stock Units [Abstract]
Shares awards			134,146	129,723
Restricted shares withheld for taxes and related tax benefit (in shares)			46,616	43,996
Time Based Awards 2019 | Associates
Number [Roll Forward]
Shares awards	[2]				229,296
Shares forfeited (in shares)	[2],[3]		(30,030)
Unvested, end of period (in shares)	[2]		116,537
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[2]				229,296
Restrictions lapsed and shares released to participants (in shares)	[2]		58,734
Shares withheld for taxes by participants (in shares)	[2]		23,995
Shares forfeited (in shares)	[2],[3]		(30,030)
Shares Unvested (in shares)	[2]		116,537
Restricted Stock Units [Abstract]
Shares awards	[2]				229,296
Time Based Awards 2019 | Associates | Minimum
Restricted stock grants grouped by similar vesting criteria [Abstract]
Vesting Period in years	[2]		3 years
Time Based Awards 2019 | Associates | Maximum
Restricted stock grants grouped by similar vesting criteria [Abstract]
Vesting Period in years	[2]		5 years
Time Based Awards 2020 | Associates
Number [Roll Forward]
Shares awards	[2]			266,379
Shares forfeited (in shares)	[2],[3]		(18,660)
Unvested, end of period (in shares)	[2]		190,180
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[2]			266,379
Restrictions lapsed and shares released to participants (in shares)	[2]		40,692
Shares withheld for taxes by participants (in shares)	[2]		16,847
Shares forfeited (in shares)	[2],[3]		(18,660)
Shares Unvested (in shares)	[2]		190,180
Restricted Stock Units [Abstract]
Shares awards	[2]			266,379
Time Based Awards 2020 | Associates | Minimum
Restricted stock grants grouped by similar vesting criteria [Abstract]
Vesting Period in years	[2]		3 years
Time Based Awards 2020 | Associates | Maximum
Restricted stock grants grouped by similar vesting criteria [Abstract]
Vesting Period in years	[2]		5 years
Time Based Awards 2021 | Associates
Number [Roll Forward]
Shares awards	[2]		237,811
Shares forfeited (in shares)	[2],[3]		(13,514)
Unvested, end of period (in shares)	[2]		224,066
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[2]		237,811
Restrictions lapsed and shares released to participants (in shares)	[2]		139
Shares withheld for taxes by participants (in shares)	[2]		92
Shares forfeited (in shares)	[2],[3]		(13,514)
Shares Unvested (in shares)	[2]		224,066
Restricted Stock Units [Abstract]
Shares awards	[2]		237,811
Time Based Awards 2021 | Associates | Minimum
Restricted stock grants grouped by similar vesting criteria [Abstract]
Vesting Period in years	[2]		3 years
Time Based Awards 2021 | Associates | Maximum
Restricted stock grants grouped by similar vesting criteria [Abstract]
Vesting Period in years	[2]		5 years
Outside Director Awards 2019
Number [Roll Forward]
Shares awards	[4]				16,549
Shares forfeited (in shares)	[3],[4]		0
Unvested, end of period (in shares)	[4]		0
Restricted stock grants grouped by similar vesting criteria [Abstract]
Vesting Period in years	[4]				1 year
Shares awards	[4]				16,549
Restrictions lapsed and shares released to participants (in shares)	[4]		14,582
Shares withheld for taxes by participants (in shares)	[4]		1,967
Shares forfeited (in shares)	[3],[4]		0
Shares Unvested (in shares)	[4]		0
Restricted Stock Units [Abstract]
Shares awards	[4]				16,549
Outside Director Awards 2020
Number [Roll Forward]
Shares awards	[4]			18,525
Shares forfeited (in shares)	[3],[4]		0
Unvested, end of period (in shares)	[4]		0
Restricted stock grants grouped by similar vesting criteria [Abstract]
Vesting Period in years	[4]			1 year
Shares awards	[4]			18,525
Restrictions lapsed and shares released to participants (in shares)	[4]		16,327
Shares withheld for taxes by participants (in shares)	[4]		2,198
Shares forfeited (in shares)	[3],[4]		0
Shares Unvested (in shares)	[4]		0
Restricted Stock Units [Abstract]
Shares awards	[4]			18,525
Outside Director Awards 2021
Number [Roll Forward]
Shares awards	[4]		11,830
Shares forfeited (in shares)	[3],[4]		0
Unvested, end of period (in shares)	[4]		11,830
Restricted stock grants grouped by similar vesting criteria [Abstract]
Vesting Period in years	[4]		1 year
Shares awards	[4]		11,830
Restrictions lapsed and shares released to participants (in shares)	[4]		0
Shares withheld for taxes by participants (in shares)	[4]		0
Shares forfeited (in shares)	[3],[4]		0
Shares Unvested (in shares)	[4]		11,830
Restricted Stock Units [Abstract]
Shares awards	[4]		11,830
2021 Restricted Stock Units | Leadership Team
Number [Roll Forward]
Shares awards			56,864
Shares forfeited (in shares)	[5]		(368)
Unvested, end of period (in shares)			56,368
Restricted stock grants grouped by similar vesting criteria [Abstract]
Vesting Period in years			3 years
Shares awards			56,864
Restrictions lapsed and shares released to participants (in shares)			89
Shares withheld for taxes by participants (in shares)			39
Shares forfeited (in shares)	[5]		(368)
Shares Unvested (in shares)			56,368
Restricted Stock Units [Abstract]
Shares awards			56,864
2021 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	[6]		0 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)	[6]		0 years
Subsequent holding period per tranche (in years)	[6]		0 years
2021 Performance Stock Units | Senior Executive Officers | Minimum
Number [Roll Forward]
Shares awards	[6],[7]		89,234
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[6],[7]		89,234
Restricted Stock Units [Abstract]
Shares awards	[6],[7]		89,234
2021 Performance Stock Units | Senior Executive Officers | Maximum
Number [Roll Forward]
Shares awards	[6],[7]		214,155
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[6],[7]		214,155
Restricted Stock Units [Abstract]
Shares awards	[6],[7]		214,155
2021 Performance Stock Units | Leadership Team
Number [Roll Forward]
Shares awards	[6]		45,240
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[6]		45,240
Restricted Stock Units [Abstract]
Shares awards	[6]		45,240
2020 Performance Stock Units | Senior Executive Officers | Minimum
Number [Roll Forward]
Shares awards	[7]		136,137
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[7]		136,137
Restricted Stock Units [Abstract]
Shares awards	[7]		136,137
2020 Performance Stock Units | Senior Executive Officers | Maximum
Number [Roll Forward]
Shares awards	[7]		204,220
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[7]		204,220
Restricted Stock Units [Abstract]
Shares awards	[7]		204,220
2020 Performance Stock Units | Leadership Team
Number [Roll Forward]
Shares awards			59,648
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards			59,648
Restricted Stock Units [Abstract]
Shares awards			59,648
2019 Performance Stock Units | Senior Executive Officers | Minimum
Number [Roll Forward]
Shares awards	[7]		166,211
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[7]		166,211
Restricted Stock Units [Abstract]
Shares awards	[7]		166,211
2019 Performance Stock Units | Senior Executive Officers | Maximum
Number [Roll Forward]
Shares awards	[7]		249,343
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[7]		249,343
Restricted Stock Units [Abstract]
Shares awards	[7]		249,343
2019 Performance Stock Units | Leadership Team
Number [Roll Forward]
Shares awards			52,244
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards			52,244
Restricted Stock Units [Abstract]
Shares awards			52,244
2018 Performance Stock Units | Senior Executive Officers | Minimum
Number [Roll Forward]
Shares awards	[7]		96,878
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[7]		96,878
Restricted Stock Units [Abstract]
Shares awards	[7]		96,878
2018 Performance Stock Units | Senior Executive Officers | Maximum
Number [Roll Forward]
Shares awards	[7]		145,339
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[7]		145,339
Restricted Stock Units [Abstract]
Shares awards	[7]		145,339
2018 Performance Stock Units | Leadership Team
Number [Roll Forward]
Shares awards			25,990
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards			25,990
Restricted Stock Units [Abstract]
Shares awards			25,990
2017 Performance Stock Units | Senior Executive Officers | Minimum
Number [Roll Forward]
Shares awards	[7]		72,537
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[7]		72,537
Restricted Stock Units [Abstract]
Shares awards	[7]		72,537
2017 Performance Stock Units | Senior Executive Officers | Maximum
Number [Roll Forward]
Shares awards	[7]		109,339
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards	[7]		109,339
Restricted Stock Units [Abstract]
Shares awards	[7]		109,339
2017 Performance Stock Units | Leadership Team
Number [Roll Forward]
Shares awards			24,916
Restricted stock grants grouped by similar vesting criteria [Abstract]
Shares awards			24,916
Restricted Stock Units [Abstract]
Shares awards			24,916
Non qualified stock options
Number [Roll Forward]
Options exercisable (in shares)			34,704
Incentive stock option
Number [Roll Forward]
Options exercisable (in shares)			21,443
Tranche 2022 | 2020 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			1 year
Tranche 2021 | 2020 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			2 years
Tranche 2021 | 2019 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			1 year
Tranche 2020 | 2020 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			3 years
Tranche 2020 | 2019 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			2 years
Tranche 2020 | 2018 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			1 year
Tranche 2019 | 2019 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			3 years
Tranche 2019 | 2018 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			2 years
Tranche 2019 | 2017 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			1 year
Tranche 2018 | 2018 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			3 years
Tranche 2018 | 2017 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			2 years
Tranche 2017 | 2017 Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period			2 years
Restricted Stock Units [Abstract]
Service period per tranche (in years)			2 years
Subsequent holding period per tranche (in years)			3 years
Equity Incentive Plan 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant			1,900,000
CapitalMark Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Acquisitions in Period		858,000
[1]	The aggregate intrinsic value is calculated as the difference between the exercise price of the underlying awards and the quoted price of Pinnacle Financial Common Stock of $95.50 per common share at December 31, 2021 for the 56,147 options that were in-the-money at December 31, 2021.
[2]	The forfeiture restrictions on these restricted share awards lapse in equal annual installments on the anniversary date of the grant.
[3]	These shares represent forfeitures resulting from recipients whose employment or board membership was terminated during the year-to-date period ended December 31, 2021. Any dividends paid on shares for which the forfeiture restrictions do not lapse will be recouped by Pinnacle Financial at the time of termination or will not be distributed from escrow, as applicable
[4]	Restricted share awards are issued to the outside members of the board of directors in accordance with their board compensation plan. Restrictions lapse on March 1, 2022 based on each individual board member meeting attendance goals for the various board and board committee meetings to which each member was scheduled to attend.
[5]	These shares represent forfeitures resulting from recipients whose employment was terminated during the year-to-date period ended December 31, 2021. Dividend equivalents are held in escrow for award recipients for dividends paid prior to the forfeiture restrictions lapsing. Such dividend equivalents are not released from escrow if an award is forfeited.
[6]	Performance stock unit awards granted in 2021, if earned, will be settled in shares of Pinnacle Financial Common Stock in the period noted in the table, if the performance criterion included in the applicable performance unit award agreement, including the NPA Ratio, are met.
[7]	The named executive officers are awarded a range of awards that may be earned based on attainment of goals between a target level of performance and a maximum level of performance.

Derivative Instruments - Non-he

Derivative Instruments - Non-hedge Derivatives (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 846	$ (1,109)	$ (80)
Not Designated as Hedging Instrument
Derivative [Line Items]
Notional	3,081,984	3,131,832
Estimated fair value	(471)	(1,317)
Not Designated as Hedging Instrument | Assets
Derivative [Line Items]
Notional	1,540,992	1,565,916
Estimated fair value	39,770	101,602
Not Designated as Hedging Instrument | Liabilities
Derivative [Line Items]
Notional	1,540,992	1,565,916
Estimated fair value	$ (40,241)	$ (102,919)

Derivative Instruments - Hedge

Derivative Instruments - Hedge Derivatives (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 846,000	$ (1,109,000)	$ (80,000)
Loss (gain) on cash flow hedges reclassified from other comprehensive income into net income, net of tax	(9,645,000)	5,542,000	1,588,000
Amortization	1,600,000	2,300,000	2,700,000
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	10,000,000
Hedging derivative | Cash flow hedge
Derivative [Line Items]
Unrealized Gain (Loss) in Accumulated Other Comprehensive Income	(15,034,000)	65,426,000	(2,581,000)
Hedging derivative | Fair value hedge
Derivative [Line Items]
Amortization	3,500,000	4,300,000	2,700,000
Hedging derivative | Fair value hedge | Securities
Derivative [Line Items]
Derivative Instruments and Hedges, Assets	1,165,773,000	841,543,000
Fair Value Hedging Adjustment	24,672,000	67,314,000
Gain (Loss) on Fair Value Hedges Recognized in Earnings	42,642,000	(26,536,000)	(25,982,000)
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge	(42,642,000)	26,536,000	25,982,000
Notional	1,031,490,000	708,931,000
Fair Value Hedges, Net	(24,672,000)	(67,314,000)
Hedging derivative | Fair value hedge | Securities | LIBOR
Derivative [Line Items]
Forecasted Notional Amount of Interest Rate Derivatives	471,700,000
Hedging derivative | Fair value hedge | Securities | Federal Funds Rate
Derivative [Line Items]
Forecasted Notional Amount of Interest Rate Derivatives	559,800,000
Hedging derivative | Fair value hedge | Loans
Derivative [Line Items]
Gain (Loss) on Fair Value Hedges Recognized in Earnings	0	0	(6,915,000)
Increase (Decrease) in Fair Value of Hedged Item in Interest Rate Fair Value Hedge	0	0	6,915,000
Asset derivatives | Hedging derivative | Cash flow hedge
Derivative [Line Items]
Unrealized Gain (Loss) in Accumulated Other Comprehensive Income	$ (15,034,000)	62,979,000	(1,432,000)
Description of Location of Interest Rate Derivatives on Balance Sheet	Other assets
Pay Rate (as percent)	0.00%
Receive Rate	2.25% minus 1 month LIBOR
Notional	$ 0	1,500,000,000
Cash Flow Hedges Derivative Instruments at Fair Value, Net	$ 0	124,585,000
Weighted Average Remaining Maturity Derivative	0 years
Asset derivatives | Hedging derivative | Fair value hedge | Securities
Derivative [Line Items]
Description of Location of Interest Rate Derivatives on Balance Sheet	Other assets
Pay Rate (as percent)	0.59%
Notional	$ 559,820,000	231,421,000
Weighted Average Remaining Maturity Derivative	5 years 3 months 18 days
Derivative, Underlying Basis	Federal funds
Fair Value Hedge Assets	$ 15,109,000	4,696,000
Liability derivatives | Hedging derivative | Cash flow hedge
Derivative [Line Items]
Unrealized Gain (Loss) in Accumulated Other Comprehensive Income	$ 0	2,447,000	$ (1,149,000)
Liability derivatives | Hedging derivative | Fair value hedge | Securities
Derivative [Line Items]
Description of Location of Interest Rate Derivatives on Balance Sheet	Other liabilities
Pay Rate (as percent)	3.08%
Notional	$ 471,670,000	477,510,000
Weighted Average Remaining Maturity Derivative	5 years 10 days
Derivative, Underlying Basis	3 month LIBOR
Fair Value Hedge Liabilities	$ (39,781,000)	$ (72,010,000)

Employee Contract (Details)

Employee Contract (Details)	12 Months Ended
	Dec. 31, 2021contract
Compensation Related Costs [Abstract]
Number of senior executives that enter into automatic renewing employment agreements	5
Number of senior executive to whom entity is obligated to pay certain amount	5

Fair Value of Financial Instr_3

Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Assets, Fair Value Disclosure [Abstract]
Other Investments		$ 101,000	$ 47,800
Assets and liabilities measured at fair value on a nonrecurring basis [Abstract]
Valuation allowance of impaired loans		1,700	3,500
Assets measured on recurring basis, unobservable input reconciliation, calculation [Roll Forward]
Transfers out of Level 3		0
Other Liabilities
Assets measured on recurring basis, unobservable input reconciliation, calculation [Roll Forward]
Fair value, beginning of period		0	0
Total realized gains included in income		0	0
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss)		0	0
Purchases		0	0
Issuances		0	0
Settlements		0	0
Transfers out of Level 3		0	0
Fair value, December 31		0	0
Other Assets
Assets measured on recurring basis, unobservable input reconciliation, calculation [Roll Forward]
Fair value, beginning of period		47,759	38,156
Total realized gains included in income		23,109	1,067
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss)		0	0
Purchases		45,986	11,663
Issuances		0	0
Settlements		(15,858)	(3,127)
Transfers out of Level 3		0	0
Fair value, December 31		100,996	47,759
Available-for-sale Securities
Assets measured on recurring basis, unobservable input reconciliation, calculation [Roll Forward]
Fair value, beginning of period		15,497	15,903
Total realized gains included in income		1,302	110
Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss)		(3,184)	627
Purchases		0	0
Issuances		0	0
Settlements		(12,787)	(1,143)
Transfers out of Level 3		0	0
Fair value, December 31		828	15,497
Fair Value, Measurements, Nonrecurring
Assets, Fair Value Disclosure [Abstract]
Total assets at fair value		39,336	56,155
Assets and liabilities measured at fair value on a nonrecurring basis [Abstract]
Other real estate owned		8,537	12,360
Impaired Financing Receivable, with Related Allowance, Recorded Investment	[1]	30,799	43,795
Fair Value, Measurements, Nonrecurring | Quoted Market Prices in an Active Market (Level 1)
Assets, Fair Value Disclosure [Abstract]
Total assets at fair value		0	0
Assets and liabilities measured at fair value on a nonrecurring basis [Abstract]
Other real estate owned		0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	[1]	0	0
Fair Value, Measurements, Nonrecurring | Models with Significant Observable Market Parameters (Level 2)
Assets, Fair Value Disclosure [Abstract]
Total assets at fair value		0	0
Assets and liabilities measured at fair value on a nonrecurring basis [Abstract]
Other real estate owned		0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	[1]	0	0
Fair Value, Measurements, Nonrecurring | Models with Significant Unobservable Market Parameters (Level 3)
Assets, Fair Value Disclosure [Abstract]
Total assets at fair value		39,336	56,155
Assets and liabilities measured at fair value on a nonrecurring basis [Abstract]
Other real estate owned		8,537	12,360
Impaired Financing Receivable, with Related Allowance, Recorded Investment	[1]	30,799	43,795
Fair Value, Measurements, Recurring
Assets, Fair Value Disclosure [Abstract]
U.S. treasury securities		193,609	82,209
U.S. government agency securities		632,009	76,403
Mortgage-backed securities		1,920,239	1,689,191
State and municipal securities		1,823,837	1,443,363
Asset-backed securities		229,569	177,936
Corporate notes and other, Fair Value Disclosure		114,931	117,579
Total investment securities available-for-sale		4,914,194	3,586,681
Other Investments		125,969	73,395
Other assets		57,441	242,470
Total assets at fair value		5,097,604	3,902,546
Liabilities at fair value [Abstract]
Other liabilities		80,106	177,025
Total liabilities at fair value		80,106	177,025
Fair Value, Measurements, Recurring | Quoted Market Prices in an Active Market (Level 1)
Assets, Fair Value Disclosure [Abstract]
U.S. treasury securities		0	0
U.S. government agency securities		0	0
Mortgage-backed securities		0	0
State and municipal securities		0	0
Asset-backed securities		0	0
Corporate notes and other, Fair Value Disclosure		0	0
Total investment securities available-for-sale		0	0
Other Investments		0	0
Other assets		0	0
Total assets at fair value		0	0
Liabilities at fair value [Abstract]
Other liabilities		0	0
Total liabilities at fair value		0	0
Fair Value, Measurements, Recurring | Models with Significant Observable Market Parameters (Level 2)
Assets, Fair Value Disclosure [Abstract]
U.S. treasury securities		193,609	82,209
U.S. government agency securities		632,009	76,403
Mortgage-backed securities		1,920,239	1,689,191
State and municipal securities		1,823,009	1,427,866
Asset-backed securities		229,569	177,936
Corporate notes and other, Fair Value Disclosure		114,931	117,579
Total investment securities available-for-sale		4,913,366	3,571,184
Other Investments		24,973	25,636
Other assets		57,441	242,470
Total assets at fair value		4,995,780	3,839,290
Liabilities at fair value [Abstract]
Other liabilities		80,106	177,025
Total liabilities at fair value		80,106	177,025
Fair Value, Measurements, Recurring | Models with Significant Unobservable Market Parameters (Level 3)
Assets, Fair Value Disclosure [Abstract]
U.S. treasury securities		0	0
U.S. government agency securities		0	0
Mortgage-backed securities		0	0
State and municipal securities		828	15,497
Asset-backed securities		0	0
Corporate notes and other, Fair Value Disclosure		0	0
Total investment securities available-for-sale		828	15,497
Other Investments		100,996	47,759
Other assets		0	0
Total assets at fair value		101,824	63,256
Liabilities at fair value [Abstract]
Other liabilities		0	0
Total liabilities at fair value		$ 0	$ 0
[1]	The carrying values of collateral dependent loans at December 31, 2021 and 2020 are net of valuation allowances of $1.7 million and $3.5 million, respectively.

Fair Value of Financial Instr_4

Fair Value of Financial Instruments, Carrying Amount and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Financial assets [Abstract]
Securities held-to-maturity, fair value		$ 1,188,049	$ 1,066,531
Securities Purchased under Agreements to Resell		1,000,000	0
Quoted Market Prices in an Active Market (Level 1)
Financial assets [Abstract]
Securities held-to-maturity, fair value		0	0
Loans Receivable, Fair Value Disclosure		0	0
Consumer loans held-for-sale		0	0
Commercial loans held-for-sale		0	0
Securities Purchased under Agreements to Resell		0
Financial liabilities [Abstract]
Deposits and securities sold under agreements to repurchase, fair value disclosure		0	0
Federal Home Loan Bank advances		0	0
Subordinated debt and other borrowings		0	0
Off-balance sheet instruments [Abstract]
Commitments to extend credit	[1]	0	0
Models with Significant Observable Market Parameters (Level 2)
Financial assets [Abstract]
Securities held-to-maturity, fair value		1,188,049	1,066,531
Loans Receivable, Fair Value Disclosure		0	0
Consumer loans held-for-sale		46,288	89,625
Commercial loans held-for-sale		17,871	31,841
Securities Purchased under Agreements to Resell		0
Financial liabilities [Abstract]
Deposits and securities sold under agreements to repurchase, fair value disclosure		0	0
Federal Home Loan Bank advances		0	0
Subordinated debt and other borrowings		0	0
Off-balance sheet instruments [Abstract]
Commitments to extend credit	[1]	0	0
Models with Significant Unobservable Market Parameters (Level 3)
Financial assets [Abstract]
Securities held-to-maturity, fair value		0	0
Loans Receivable, Fair Value Disclosure		23,223,299	22,407,546
Consumer loans held-for-sale		0	0
Commercial loans held-for-sale		0	0
Securities Purchased under Agreements to Resell		980,543
Financial liabilities [Abstract]
Deposits and securities sold under agreements to repurchase, fair value disclosure		30,812,222	26,929,142
Federal Home Loan Bank advances		1,006,866	1,189,035
Subordinated debt and other borrowings		479,879	677,521
Off-balance sheet instruments [Abstract]
Commitments to extend credit	[1]	24,351	24,887
Reported Value Measurement [Member]
Financial assets [Abstract]
Securities held-to-maturity, fair value		1,155,958	1,028,359
Loans Receivable, Fair Value Disclosure		23,151,029	22,139,451
Consumer loans held-for-sale		45,806	87,821
Commercial loans held-for-sale		17,685	31,200
Securities Purchased under Agreements to Resell		1,000,000
Financial liabilities [Abstract]
Deposits and securities sold under agreements to repurchase, fair value disclosure		31,457,092	27,833,739
Federal Home Loan Bank advances		888,681	1,087,927
Subordinated debt and other borrowings		423,172	670,575
Off-balance sheet instruments [Abstract]
Commitments to extend credit	[1]	13,063,942	9,692,607
Estimate of Fair Value Measurement [Member]
Financial assets [Abstract]
Securities held-to-maturity, fair value	[2]	1,188,049	1,066,531
Loans Receivable, Fair Value Disclosure	[2]	23,223,299	22,407,546
Consumer loans held-for-sale	[2]	46,288	89,625
Commercial loans held-for-sale	[2]	17,871	31,841
Securities Purchased under Agreements to Resell	[2]	980,543
Financial liabilities [Abstract]
Deposits and securities sold under agreements to repurchase, fair value disclosure	[2]	30,812,222	26,929,142
Federal Home Loan Bank advances	[2]	1,006,866	1,189,035
Subordinated debt and other borrowings	[2]	479,879	677,521
Off-balance sheet instruments [Abstract]
Commitments to extend credit	[1],[2]	$ 24,351	$ 24,887
[1]	At the end of each period, Pinnacle Financial evaluates the inherent risks of the outstanding off-balance sheet commitments, including both commitments for unfunded loans and standby letters of credit. In making this evaluation, Pinnacle Financial utilizes credit loss expectations on funded loans from our allowance for credit losses methodology and evaluates the probability that the outstanding commitment will eventually become a funded loan .
[2]	Estimated fair values are consistent with an exit-price concept. The assumptions used to estimate the fair values are intended to approximate those that a market-participant would realize in a hypothetical orderly transaction.

Variable Interest Entities (Det

Variable Interest Entities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Proceeds from Issuance of Subordinated Long-term Debt	$ 133,000
Subordinated Debt | Trust Preferred Issuances
Variable Interest Entity [Line Items]
Liability Recognized	132,995	$ 132,995
Other Assets | Low Income Housing Partnerships
Variable Interest Entity [Line Items]
Maximum Loss Exposure	189,600	143,190
Liability Recognized	0	0
Loans | Commercial Troubled Debt Restructurings
Variable Interest Entity [Line Items]
Maximum Loss Exposure	145	180
Liability Recognized	$ 0	$ 0

Regulatory Matters (Details)

Regulatory Matters (Details) - USD ($) $ / shares in Units, shares in Thousands		3 Months Ended	12 Months Ended
		Jun. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2022	Sep. 30, 2021
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Preceding period of retained earnings used in calculation of dividend payable			2 years
Retained earnings			$ 1,864,350,000	$ 1,407,723,000
SEC Schedule, 12-04, Cash Dividends Paid to Registrant, Consolidated Subsidiaries			$ 99,800,000
Dividends Payable, Amount Per Share			$ 0.22				$ 0.18
Preferred Stock, Dividend Rate, Per-Dollar-Amount			$ 16.88
Preferred Stock, Dividend Per Depositary Share			$ 0.422
Depositary Shares		9,000
Issuance of preferred stock, net of issuance costs			0	217,126,000	$ 0
ASU 2016-13 Cumulative Transition Adjustments						$ 68,000,000
Pinnacle Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Retained earnings			876,200,000
Actual Amount
Total capital to risk weighted assets:			3,670,111,000	3,259,538,000
Tier I capital to risk weighted assets:			3,464,265,000	2,933,674,000
Common Equity Tier 1 capital to risk weighted assets:			3,464,142,000	2,933,551,000
Tier I capital to average assets (*):	[1]		$ 3,464,265,000	$ 2,933,674,000
Actual Ratios
Total capital to risk weighted assets:			12.60%	12.70%
Tier I capital to risk weighted assets:			11.90%	11.40%
Common equity Tier 1 capital:			11.90%	11.40%
Tier I capital to average assets (*):	[1]		9.90%	9.10%
Minimum Capital Requirement
Total capital to risk weighted assets:			$ 2,334,243,000	$ 2,055,892,000
Tier I capital to risk weighted assets:			1,750,683,000	1,541,919,000
Common equity Tier 1 capital to risk weighted assets:			1,313,012,000	1,156,439,000
Tier I capital to average assets (*):	[1]		$ 1,406,063,000	$ 1,294,033,000
Minimum Capital Requirement - Ratios
Total capital to risk weighted assets:			8.00%	8.00%
Tier I capital to risk weighted assets:			6.00%	6.00%
Common equity Tier 1 risk based capital to risk weighted assets:			4.50%	4.50%
Tier I capital to average assets (*):	[1]		4.00%	4.00%
Minimum To Be Well Capitalized
Total capital to risk weighted assets:			$ 2,917,804,000	$ 2,569,865,000
Tier I capital to risk weighted assets:			2,334,243,000	2,055,892,000
Common equity Tier 1 capital to risk weighted assets:			1,896,573,000	1,670,412,000
Tier I capital to average assets (*):	[1]		$ 1,757,578,000	$ 1,617,541,000
Minimum To Be Well Capitalized - Ratios
Total capital to risk weighted assets:			10.00%	10.00%
Tier I capital to risk weighted assets:			8.00%	8.00%
Common equity Tier 1 capital to risk weighted assets:			6.50%	6.50%
Tier I capital to average assets (*):	[1]		5.00%	5.00%
Pinnacle Financial
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Issuance of preferred stock, net of issuance costs			$ 0	$ 217,126,000	$ 0
Actual Amount
Total capital to risk weighted assets:			4,060,598,000	3,678,405,000
Tier I capital to risk weighted assets:			3,425,751,000	2,803,541,000
Common Equity Tier 1 capital to risk weighted assets:			3,208,503,000	2,586,292,000
Tier I capital to average assets (*):	[1]		$ 3,425,751,000	$ 2,803,541,000
Actual Ratios
Total capital to risk weighted assets:			13.80%	14.30%
Tier I capital to risk weighted assets:			11.70%	10.90%
Common equity Tier 1 capital:			10.90%	10.00%
Tier I capital to average assets (*):	[1]		9.70%	8.60%
Minimum Capital Requirement
Total capital to risk weighted assets:			$ 2,347,963,000	$ 2,063,352,000
Tier I capital to risk weighted assets:			1,760,972,000	1,547,514,000
Common equity Tier 1 capital to risk weighted assets:			1,320,729,000	1,160,635,000
Tier I capital to average assets (*):	[1]		$ 1,412,747,000	$ 1,298,756,000
Minimum Capital Requirement - Ratios
Total capital to risk weighted assets:			8.00%	8.00%
Tier I capital to risk weighted assets:			6.00%	6.00%
Common equity Tier 1 risk based capital to risk weighted assets:			4.50%	4.50%
Tier I capital to average assets (*):	[1]		4.00%	4.00%
Minimum To Be Well Capitalized
Total capital to risk weighted assets:			$ 2,934,953,000	$ 2,579,190,000
Tier I capital to risk weighted assets:			$ 2,347,963,000	$ 2,063,352,000
Minimum To Be Well Capitalized - Ratios
Total capital to risk weighted assets:			10.00%	10.00%
Tier I capital to risk weighted assets:			8.00%	8.00%
[1]	(*) Average assets for the above calculations were based on the most recent quarter.

Other Income and Expenses (Deta

Other Income and Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other noninterest income:
Interchange and other consumer fees	$ 57,263	$ 40,960	$ 36,158
Bank-owned life insurance	18,942	18,784	17,361
Loan swap fees	5,414	4,568	4,758
SBA loan sales	12,242	5,579	4,933
Income from other equity investments	23,109	1,072	2,789
Other noninterest income	12,839	11,940	4,838
Total other noninterest income	129,809	82,903	70,837
Other noninterest expense:
Deposit related expenses	24,003	24,392	17,017
Lending related expenses	39,578	28,703	24,573
Wealth management related expenses	1,950	2,053	1,986
Audit, exam and insurance expense	11,259	10,596	9,194
FHLB restructuring charges	0	15,168	0
Administrative and other expenses	23,169	23,725	18,906
Total other noninterest expense	$ 99,959	$ 104,637	$ 71,676

Parent Company Only Financial_3

Parent Company Only Financial Information (Details) - USD ($)	3 Months Ended												12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Investment in unconsolidated subsidiaries:
Other assets	$ 1,473,193,000				$ 1,520,757,000								$ 1,473,193,000	$ 1,520,757,000
Total assets	38,469,399,000				34,932,860,000								38,469,399,000	34,932,860,000
Liabilities and Equity [Abstract]
Subordinated debt and other borrowings	423,172,000				670,575,000								423,172,000	670,575,000
Other Liabilities	377,343,000				411,074,000								377,343,000	411,074,000
Stockholders' equity	5,310,607,000				4,904,611,000				$ 4,355,748,000				5,310,607,000	4,904,611,000	$ 4,355,748,000	$ 3,965,940,000
Total liabilities and stockholders' equity	38,469,399,000				34,932,860,000								38,469,399,000	34,932,860,000
Expenses:
Interest expense													98,813,000	199,254,000	301,794,000
Personnel expense, including stock compensation													436,006,000	334,483,000	313,359,000
Income tax expense (benefit)													124,582,000	59,037,000	96,656,000
Net income	133,528,000	$ 136,577,000	$ 131,790,000	$ 125,428,000	110,876,000	$ 110,645,000	$ 62,444,000	$ 28,356,000					527,323,000	312,321,000	400,881,000
Preferred stock dividends													15,192,000	7,596,000	0
Net income available to common shareholders	129,730,000	132,779,000	127,992,000	121,630,000	107,078,000	106,847,000	62,444,000	28,356,000	96,079,000	$ 110,521,000	$ 100,321,000	$ 93,960,000	512,131,000	304,725,000	400,881,000
CONDENSED STATEMENTS OF CASH FLOWS [Abstract]
Net income	133,528,000	$ 136,577,000	$ 131,790,000	125,428,000	110,876,000	$ 110,645,000	$ 62,444,000	28,356,000					527,323,000	312,321,000	400,881,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion													53,256,000	45,203,000	8,342,000
Stock-based compensation expense													24,952,000	18,737,000	21,226,000
Deferred tax (expense) benefit													(12,232,000)	(58,315,000)	14,696,000
Income from equity method investment													(122,274,000)	(83,539,000)	(90,111,000)
Dividends received from equity method investment													69,996,000	53,020,000	51,312,000
Excess tax benefit from stock compensation													(2,475,000)	(417,000)	(1,011,000)
(Increase) decrease in other assets													73,527,000	(157,294,000)	(57,499,000)
Increase (decrease) in other liabilities													(60,315,000)	69,241,000	79,264,000
Net cash provided by operating activities													657,444,000	426,754,000	431,499,000
Investing activities:
Increase in other investments													(83,830,000)	(70,183,000)	(53,137,000)
Net cash used in investing activities													(3,612,955,000)	(3,567,591,000)	(2,616,272,000)
Financing activities:
Issuance of common stock pursuant to restricted stock unit agreement, net of shares withheld for taxes													(3,790,000)	(2,488,000)	0
Issuance of preferred stock, net of issuance costs													0	217,126,000	0
Repurchase of common stock													0	(50,790,000)	(61,416,000)
Common dividends paid													55,504,000	49,389,000	49,828,000
Preferred stock dividends paid													15,192,000	7,596,000	0
Net cash provided by financing activities													3,095,601,000	6,575,579,000	1,989,788,000
Investment Income, Dividend													99,800,000	119,100,000	114,000,000
Parent Company
Assets [Abstract]
Cash and cash equivalents	184,654,000				275,888,000				182,091,000				184,654,000	275,888,000	182,091,000	$ 94,043,000
Investment in unconsolidated subsidiaries:
Unconsolidated subsidiaries	3,995,000				3,995,000								3,995,000	3,995,000
Other investments	156,292,000				113,445,000								156,292,000	113,445,000
Current income tax receivable	29,609,000				51,621,000								29,609,000	51,621,000
Other assets	24,930,000				25,747,000								24,930,000	25,747,000
Total assets	5,739,616,000				5,452,178,000								5,739,616,000	5,452,178,000
Liabilities and Equity [Abstract]
Subordinated debt and other borrowings	423,172,000				541,286,000								423,172,000	541,286,000
Other Liabilities	5,837,000				6,281,000								5,837,000	6,281,000
Stockholders' equity	5,310,607,000				4,904,611,000								5,310,607,000	4,904,611,000
Total liabilities and stockholders' equity	5,739,616,000				5,452,178,000								5,739,616,000	5,452,178,000
CONDENSED STATEMENTS OF OPERATIONS [Abstract]
Income from equity method investment													33,169,000	22,587,000	24,298,000
Other income (loss)													14,945,000	3,861,000	3,485,000
Expenses:
Interest expense													22,903,000	23,877,000	18,425,000
Personnel expense, including stock compensation													24,952,000	18,737,000	21,226,000
Other expense													2,697,000	2,905,000	1,496,000
Income before income taxes and equity in undistributed income of subsidiaries													97,417,000	100,113,000	100,796,000
Income tax expense (benefit)													(3,088,000)	(5,370,000)	(4,457,000)
Income before equity in undistributed income of subsidiaries													100,505,000	105,483,000	105,253,000
Equity in undistributed income of bank subsidiaries													424,978,000	205,327,000	294,354,000
Equity in undistributed income (loss) of nonbank subsidiaries													1,840,000	1,511,000	1,274,000
Net income													527,323,000	312,321,000	400,881,000
Preferred stock dividends													15,192,000	7,596,000	0
Net income available to common shareholders													512,131,000	304,725,000	400,881,000
CONDENSED STATEMENTS OF CASH FLOWS [Abstract]
Net income													527,323,000	312,321,000	400,881,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion													1,886,000	1,122,000	(3,094,000)
Stock-based compensation expense													24,952,000	18,737,000	21,226,000
Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable													0	(2,467,000)	2,467,000
Deferred tax (expense) benefit													2,850,000	3,876,000	(2,857,000)
Income from equity method investment													(33,169,000)	(22,587,000)	(24,298,000)
Dividends received from equity method investment													12,214,000	9,251,000	8,953,000
Excess tax benefit from stock compensation													(2,475,000)	(417,000)	(1,011,000)
Gain on other investments, net													(10,223,000)	(195,000)	(1,057,000)
(Increase) decrease in other assets													19,478,000	(39,981,000)	7,295,000
Increase (decrease) in other liabilities													2,032,000	(764,000)	5,322,000
Equity in undistributed (income) loss of bank subsidiaries													(424,978,000)	(205,327,000)	(294,354,000)
Equity in undistributed (income) loss of nonbank subsidiaries													(1,840,000)	(1,511,000)	(1,274,000)
Net cash provided by operating activities													118,050,000	72,058,000	118,199,000
Investing activities:
Investment in consolidated banking subsidiaries													0	0	(180,000,000)
Increase in other investments													(11,668,000)	(2,454,000)	(1,411,000)
Net cash used in investing activities													(11,668,000)	(2,454,000)	(181,411,000)
Financing activities:
Proceeds from (Repayments of) Debt													0	(93,000)	316,078,000
Repayment of other borrowings													(120,000,000)	(80,000,000)	(49,880,000)
Issuance of common stock pursuant to restricted stock unit agreement, net of shares withheld for taxes													(3,790,000)	(2,488,000)	0
Exercise of common stock options, net of shares surrendered for taxes													(3,130,000)	(2,577,000)	(3,694,000)
Issuance of preferred stock, net of issuance costs													0	217,126,000	0
Repurchase of common stock													0	(50,790,000)	(61,416,000)
Common dividends paid													(55,504,000)	(49,389,000)	(49,828,000)
Preferred stock dividends paid													(15,192,000)	(7,596,000)	0
Net cash provided by financing activities													(197,616,000)	24,193,000	151,260,000
Cash and Cash Equivalents, Period Increase (Decrease)													(91,234,000)	93,797,000	88,048,000
Cash and cash equivalents, beginning of year				$ 275,888,000				$ 182,091,000				$ 94,043,000	275,888,000	182,091,000	94,043,000
Cash and cash equivalents, end of year	184,654,000				275,888,000				$ 182,091,000				184,654,000	275,888,000	182,091,000
Banking
Assets [Abstract]
Investments in consolidated subsidiaries	5,329,003,000				4,972,160,000								5,329,003,000	4,972,160,000
CONDENSED STATEMENTS OF OPERATIONS [Abstract]
Income from bank subsidiaries													99,766,000	119,065,000	113,982,000
Nonbank subsidiaries
Assets [Abstract]
Investments in consolidated subsidiaries	$ 11,133,000				$ 9,322,000								11,133,000	9,322,000
CONDENSED STATEMENTS OF OPERATIONS [Abstract]
Income from bank subsidiaries													$ 89,000	$ 119,000	$ 178,000

Quarterly Financial Results (_3

Quarterly Financial Results (unaudited) (Details) - USD ($)	3 Months Ended												12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]
Interest income	$ 259,193,000	$ 260,868,000	$ 259,236,000	$ 251,917,000	$ 257,047,000	$ 249,188,000	$ 251,738,000	$ 263,069,000	$ 268,453,000	$ 275,749,000	$ 265,851,000	$ 257,883,000	$ 1,031,214,000	$ 1,021,042,000	$ 1,067,936,000
Net interest income	238,763,000	237,543,000	233,225,000	222,870,000	220,985,000	206,594,000	200,657,000	193,552,000	194,172,000	195,806,000	188,918,000	187,246,000	932,401,000	821,788,000	766,142,000
Provision for credit losses	2,675,000	3,382,000	2,834,000	7,235,000	9,180,000	16,758,000	72,832,000	105,045,000	4,644,000	8,260,000	7,195,000	7,184,000	16,126,000	203,815,000	27,283,000
Income (Loss) from Continuing Operations before Income Taxes, Domestic	166,394,000	169,405,000	162,458,000	153,648,000	133,944,000	137,049,000	73,674,000	26,691,000	118,520,000	137,224,000	124,719,000	117,074,000	651,905,000	371,358,000	497,537,000
Net income	133,528,000	136,577,000	131,790,000	125,428,000	110,876,000	110,645,000	62,444,000	28,356,000					527,323,000	312,321,000	400,881,000
Net income available to common shareholders	$ 129,730,000	$ 132,779,000	$ 127,992,000	$ 121,630,000	$ 107,078,000	$ 106,847,000	$ 62,444,000	$ 28,356,000	$ 96,079,000	$ 110,521,000	$ 100,321,000	$ 93,960,000	$ 512,131,000	$ 304,725,000	$ 400,881,000
Basic net income per common share (in dollars per share)	$ 1.72	$ 1.76	$ 1.70	$ 1.61	$ 1.42	$ 1.42	$ 0.83	$ 0.37	$ 1.26	$ 1.45	$ 1.31	$ 1.22	$ 6.79	$ 4.04	$ 5.25
Diluted net income per common share (in dollars per share)	$ 1.71	$ 1.75	$ 1.69	$ 1.61	$ 1.42	$ 1.42	$ 0.83	$ 0.37	$ 1.26	$ 1.44	$ 1.31	$ 1.22	$ 6.75	$ 4.03	$ 5.22