Simmons First National (SFNC) 10-Q 7 Aug 17 2017 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2017	Jul. 27, 2017
Document Information [Line Items]
Entity Registrant Name	SIMMONS FIRST NATIONAL CORP
Entity Central Index Key	90,498
Trading Symbol	sfnc
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	Yes
Entity Common Stock, Shares Outstanding (in shares)		32,213,638
Document Type	10-Q
Document Period End Date	Jun. 30, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q2
Amendment Flag	false

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
ASSETS
Cash and non-interest bearing balances due from banks	$ 112,567	$ 117,007
Interest bearing balances due from banks	212,547	168,652
Federal funds sold	4,500
Cash and cash equivalents	329,614	285,659
Interest bearing balances due from banks - time	6,057	4,563
Held-to-maturity	419,003	462,096
Available-for-sale	1,190,600	1,157,354
Total investments	1,609,603	1,619,450
Mortgage loans held for sale	16,266	27,788
Assets held in trading accounts	50	41
Loans:
Legacy loans	5,000,572	4,327,207
Allowance for loan losses	(41,379)	(36,286)
Loans acquired, net of discount and allowance	1,224,739	1,305,683
Net loans	6,183,932	5,596,604
Premises and equipment	230,641	199,359
Premises held for sale		6,052
Foreclosed assets	26,012	26,895
Interest receivable	27,337	27,788
Bank owned life insurance	148,134	138,620
Goodwill	379,437	348,505
Other intangible assets	58,528	52,959
Other assets	52,697	65,773
Total assets	9,068,308	8,400,056
Deposits:
Non-interest bearing transaction accounts	1,650,986	1,491,676
Interest bearing transaction accounts and savings deposits	4,141,426	3,956,483
Time deposits	1,311,123	1,287,060
Total deposits	7,103,535	6,735,219
Federal funds purchased and securities sold under agreements to repurchase	121,419	115,029
Other borrowings	474,962	273,159
Subordinated debentures	67,312	60,397
Accrued interest and other liabilities	67,004	65,141
Total liabilities	7,834,232	7,248,945
Stockholders’ equity:
Common stock, Class A, $0.01 par value; 120,000,000 shares authorized; 32,212,832 and 31,277,723 shares issued and outstanding at June 30, 2017 and December 31, 2016, respectively	322	313
Surplus	761,754	711,976
Undivided profits	483,322	454,034
Accumulated other comprehensive loss	(11,322)	(15,212)
Total stockholders’ equity	1,234,076	1,151,111
Total liabilities and stockholders’ equity	$ 9,068,308	$ 8,400,056

Consolidated Balance Sheets (C3

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Jun. 30, 2017	Dec. 31, 2016
Common stock Class A, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock Class A, shares authorized (in shares)	120,000,000	120,000,000
Common stock Class A, shares issued (in shares)	32,212,832	31,277,723
Common stock Class A, shares outstanding (in shares)	32,212,832	31,277,723

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
INTEREST INCOME
Loans		$ 73,549,000	$ 63,009,000	$ 142,277,000	$ 129,688,000
Federal funds sold		13,000	17,000	14,000	27,000
Investment securities		9,990,000	8,499,000	19,441,000	17,005,000
Mortgage loans held for sale		145,000	295,000	271,000	572,000
Assets held in trading accounts			3,000		9,000
Interest bearing balances due from banks		201,000	77,000	322,000	220,000
TOTAL INTEREST INCOME		83,898,000	71,900,000	162,325,000	147,521,000
INTEREST EXPENSE
Deposits		4,816,000	3,776,000	9,020,000	7,430,000
Federal funds purchased and securities sold under agreements to repurchase		92,000	59,000	167,000	125,000
Other borrowings		1,559,000	938,000	2,753,000	2,065,000
Subordinated debentures		619,000	544,000	1,193,000	1,087,000
TOTAL INTEREST EXPENSE		7,086,000	5,317,000	13,133,000	10,707,000
NET INTEREST INCOME		76,812,000	66,583,000	149,192,000	136,814,000
Provision for loan losses		7,023,000	4,616,000	11,330,000	7,439,000
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES		69,789,000	61,967,000	137,862,000	129,375,000
NON-INTEREST INCOME
Trust income		4,113,000	3,656,000	8,325,000	7,287,000
Service charges on deposit accounts		8,483,000	7,661,000	16,585,000	14,977,000
Other service charges and fees		2,515,000	2,718,000	4,712,000	5,585,000
Mortgage and SBA lending income		3,961,000	4,730,000	6,384,000	7,564,000
Investment banking income		637,000	1,181,000	1,327,000	1,865,000
Debit and credit card fees		8,659,000	7,688,000	16,593,000	14,888,000
Bank owned life insurance income		859,000	826,000	1,677,000	1,824,000
Gain on sale of securities		2,236,000	3,759,000	2,299,000	4,088,000
Other income		4,281,000	4,669,000	7,902,000	8,319,000
TOTAL NON-INTEREST INCOME		35,744,000	36,888,000	65,804,000	66,397,000
NON-INTEREST EXPENSE
Salaries and employee benefits		34,205,000	33,103,000	69,741,000	67,877,000
Occupancy expense, net		4,868,000	4,990,000	9,531,000	9,461,000
Furniture and equipment expense		4,550,000	4,077,000	8,993,000	8,023,000
Other real estate and foreclosure expense		517,000	967,000	1,106,000	1,934,000
Deposit insurance		780,000	1,096,000	1,460,000	2,244,000
Merger related costs		6,603,000	372,000	7,127,000	465,000
Other operating expenses		19,885,000	19,532,000	39,772,000	35,927,000
TOTAL NON-INTEREST EXPENSE		71,408,000	64,137,000	137,730,000	125,931,000
INCOME BEFORE INCOME TAXES		34,125,000	34,718,000	65,936,000	69,841,000
Provision for income taxes		11,060,000	11,809,000	20,751,000	23,427,000
NET INCOME		23,065,000	22,909,000	45,185,000	46,414,000
Preferred stock dividends					24,000
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS		$ 23,065,000	$ 22,909,000	$ 45,185,000	$ 46,390,000
BASIC EARNINGS PER SHARE (in dollars per share)		$ 0.72	$ 0.75	$ 1.43	$ 1.53
DILUTED EARNINGS PER SHARE (in dollars per share)	[1]	$ 0.72	$ 0.75	$ 1.42	$ 1.52
[1]	Stock options to purchase 258,255 and 65,005 shares for the three and six months ended June 30, 2016 were not included in the diluted EPS calculation because the exercise price of those options exceeded the average market price. There were no stock options excluded from the earnings per share calculation due to the related exercise price exceeding the average market price for the three and six months ended June 30, 2017.

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
NET INCOME	$ 23,065	$ 22,909	$ 45,185	$ 46,414
OTHER COMPREHENSIVE INCOME
Unrealized holding gains arising during the period on available-for-sale securities	7,133	4,865	8,700	15,446
Less: Reclassification adjustment for realized gains included in net income	2,236	3,759	2,299	4,088
Other comprehensive gain, before tax effect	4,897	1,106	6,401	11,358
Less: Tax effect of other comprehensive gain	1,921	434	2,511	4,455
TOTAL OTHER COMPREHENSIVE INCOME	2,976	672	3,890	6,903
COMPREHENSIVE INCOME	$ 26,041	$ 23,581	$ 49,075	$ 53,317

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
OPERATING ACTIVITIES
Net income	$ 45,185,000	$ 46,414,000
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	9,649,000	8,039,000
Provision for loan losses	11,330,000	7,439,000
Gain on sale of available-for-sale securities	(2,299,000)	(4,088,000)
Net accretion of investment securities and assets	(13,884,000)	(15,810,000)
Net amortization on borrowings	213,000	208,000
Stock-based compensation expense	3,958,000	1,719,000
(Gain) loss on sale of premises and equipment, net of impairment	(615,000)	3,000,000
Gain on sale of foreclosed assets held for sale	(141,000)	(1,180,000)
Gain on sale of mortgage loans held for sale	(5,432,000)	(6,584,000)
Deferred income taxes	2,230,000	615,000
Increase in cash surrender value of bank owned life insurance	(1,677,000)	(1,824,000)
Originations of mortgage loans held for sale	(222,946,000)	(293,929,000)
Proceeds from sale of mortgage loans held for sale	239,900,000	300,249,000
Changes in assets and liabilities:
Interest receivable	2,283,000	1,643,000
Assets held in trading accounts	(9,000)	(2,899,000)
Other assets	11,656,000	17,239,000
Accrued interest and other liabilities	(12,949,000)	(11,088,000)
Income taxes payable	9,471,000	(3,142,000)
Net cash provided by operating activities	75,923,000	46,021,000
INVESTING ACTIVITIES
Net originations of loans	(340,457,000)	(89,962,000)
(Increase) decrease in due from banks - time	490,000	4,326,000
Purchases of premises and equipment, net	(26,664,000)	(4,044,000)
Proceeds from sale of premises and equipment	3,475,000
Proceeds from sale of foreclosed assets held for sale	7,510,000	19,364,000
Proceeds from sale of available-for-sale securities	326,937,000	232,806,000
Proceeds from maturities of available-for-sale securities	17,720,000	61,164,000
Purchases of available-for-sale securities	(197,439,000)	(280,506,000)
Proceeds from maturities of held-to-maturity securities	44,240,000	79,976,000
Purchases of held-to-maturity securities	(860,000)	(6,162,000)
Proceeds from the sale of held-to-maturity securities	441,000
Proceeds from bank owned life insurance death benefits		1,876,000
Purchases of bank owned life insurance	(25,000)	(25,000)
Cash paid in business combinations, net of cash received	(22,000,000)
Net cash (used in) provided by investing activities	(186,632,000)	18,813,000
FINANCING ACTIVITIES
Net change in deposits	(20,660,000)	(57,893,000)
Repayments of subordinated debentures		(594,000)
Dividends paid on preferred stock		(24,000)
Dividends paid on common stock	(15,897,000)	(14,514,000)
Net change in other borrowed funds	198,803,000	29,538,000
Net change in federal funds purchased and securities sold under agreements to repurchase	(10,773,000)	3,640,000
Net shares issued under stock compensation plans	3,191,000	4,210,000
Redemption of preferred stock		(30,852,000)
Net cash provided by (used in) financing activities	154,664,000	(66,489,000)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	43,955,000	(1,655,000)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	285,659,000	252,262,000
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 329,614,000	$ 250,607,000

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Citizens National Bank [Member]Common Stock [Member]	Citizens National Bank [Member]Additional Paid-in Capital [Member]	Citizens National Bank [Member]	Hardeman County Investment Company, Inc. [Member]Preferred Stock [Member]	Hardeman County Investment Company, Inc. [Member]Common Stock [Member]	Hardeman County Investment Company, Inc. [Member]Additional Paid-in Capital [Member]	Hardeman County Investment Company, Inc. [Member]AOCI Attributable to Parent [Member]	Hardeman County Investment Company, Inc. [Member]Retained Earnings [Member]	Hardeman County Investment Company, Inc. [Member]	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2015										$ 30,852	$ 303	$ 662,378	$ (2,665)	$ 385,987	$ 1,076,855
Comprehensive income													6,903	46,414	53,317
Stock issued for employee stock purchase plan												231			231
Stock-based compensation plans, net											1	5,697			5,698
Preferred stock redeemed										(30,852)					(30,852)
Dividends on preferred stock														(24)	(24)
Dividends on common stock														(14,514)	(14,514)
Balance at Jun. 30, 2016											304	668,306	4,238	417,863	1,090,711
Comprehensive income													(19,450)	50,400	30,950
Stock issued for employee stock purchase plan												355			355
Stock-based compensation plans, net											1	2,071			2,072
Stock issued for acquisition	$ 8	$ 41,244	$ 41,252
Cash dividends														(14,229)	(14,229)
Balance at Dec. 31, 2016											313	711,976	(15,212)	454,034	1,151,111
Comprehensive income													3,890	45,185	49,075
Stock issued for employee stock purchase plan												618			618
Stock-based compensation plans, net											1	6,530			6,531
Stock issued for acquisition					$ 8	$ 42,630			$ 42,638
Dividends on common stock														(15,897)	(15,897)
Balance at Jun. 30, 2017											$ 322	$ 761,754	$ (11,322)	$ 483,322	$ 1,234,076

Consolidated Statements of Sto8

Consolidated Statements of Stockholders' Equity (Parentheticals) - $ / shares	6 Months Ended
	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016
Additional Paid-in Capital [Member]
Stock issued for employee stock purchase plan, shares (in shares)	13,001	9,733	6,002
Common Stock [Member] | Citizens National Bank [Member]
Stock issued for acquisition, shares (in shares)		835,741
Common Stock [Member] | Hardeman County Investment Company, Inc. [Member]
Stock issued for acquisition, shares (in shares)	799,970
Common Stock [Member]
Stock issued for compensation plans, shares (in shares)	122,138		131,546
Retained Earnings [Member]
Cash dividends, per share (in dollars per share)	$ 0.50	$ 0.72	$ 0.48
Stock issued for compensation plans, shares (in shares)		16,269

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	NOTE 1: The consolidated financial statements include the accounts of Simmons First National Corporation (the “Company”) and its subsidiaries. Significant intercompany accounts and transactions have been eliminated in consolidation. In the opinion of management, all adjustments necessary for a fair presentation of the results of interim periods have been made. Certain gains and fees were reclassified within non-interest income categories in the 2016 2017 not December 31, 2016, not Certain information and note disclosures normally included in the Company’s annual financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted. These consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Form 10 2016 Recently Issued Accounting Pronouncements ASU 2017 09 Stock Compensation: Scope of Modification Accounting 2017 09” 2017 09 1 2 718, may 2017 09 2017 09 December 15, 2017, not ASU 2017 08 Premium Amortization on Purchased Callable Debt Securities 2017 08” 2017 08 not 2017 08 December 15, 2018, 2017 08 March 31, 2017 not ASU 2017 04 Goodwill and Other: Simplifying the Test for Goodwill Impairment 2017 04” 2017 04 2 2017 04, not 2017 04 December 15, 2019, 2017. 2017 04 not ASU 2016 15 Statement of Cash Flows: Classification of Certain Cash Receipts and Cash Payments 2016 15” 2016 15 2016 15 December 15, 2017, 2016 15 no not ASU 2016 13 Financial Instruments-Credit Losses: Measurement of Credit Losses on Financial Instruments 2016 13” 2016 13 2016 13 2016 13 2016 13 December 15, 2019, one first one ASU 2016 09 Compensation-Stock Compensation: Improvements to Employee Share-Based Payment Accounting 2016 09” 2016 09 no 2016 09 2016 09 2016 09 December 15, 2016. not $0.3 $1.5 three six June 30, 2017. ASU 2016 02 Leases 2016 02” 2016 02 2016 02 December 15, 2018, June 30, 2017, not ASU 2016 01 Financial Instruments-Overall: Recognition and Measurement of Financial Assets and Financial Liabilities 2016 01” 2016 01 2016 01 December 15, 2017, not ASU 2015 16 Business Combinations: Simplifying the Accounting for Measurement-Period Adjustments 2015 16” 2015 16 2015 16 2015 16 December 15, 2015 not ASU 2015 14 Revenue from Contracts with Customers: Deferral of the Effective Date 2015 14” 2015 14 2014 09 Revenue from Contracts with Customers 2014 09” ASU2014 09 2015 14 December 15, 2017. not not 2015 14, not 2015 14; not There have been no 2016 10 not Acquisition Accounting, Loans Acquired The Company accounts for its acquisitions under ASC Topic 805, Business Combinations No 820. The Company evaluates loans acquired, other than purchased impaired loans, in accordance with the provisions of ASC Topic 310 20, Nonrefundable Fees and Other Costs 310 30, Loans and Debt Securities Acquired with Deteriorated Credit Quality not For impaired loans accounted for under ASC Topic 310 30, For further discussion of our acquisition and loan accounting, see Note 2, 5, Earnings Per Common Share (“EPS”) Basic EPS is computed by dividing reported net income available to common shareholders by weighted average number of common shares outstanding during each period. Diluted EPS is computed by dividing reported net income available to common shareholders by the weighted average common shares and all potential dilutive common shares outstanding during the period. Following is the computation of earnings per common share for the three six June 30, 2017 2016: Three Months Ended Six Months Ended (In thousands, except per share data) 2017 2016 2017 2016 Net income available to common shareholders $ 23,065 $ 22,909 $ 45,185 $ 46,390 Average common shares outstanding 31,817 30,353 31,585 30,340 Average potential dilutive common shares 209 99 209 99 Average diluted common shares 32,026 30,452 31,794 30,439 Basic earnings per share $ 0.72 $ 0.75 $ 1.43 $ 1.53 Diluted earnings per share (1) $ 0.72 $ 0.75 $ 1.42 $ 1.52 ____________________________ ( 1 Stock options to purchase 258,255 65,005 three six June 30, 2016 not no three six June 30, 2017.

Note 2 - Acquisitions

Note 2 - Acquisitions	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Mergers, Acquisitions and Dispositions Disclosures [Text Block]	NOTE 2: Hardeman County Investment Company, Inc. On May 15, 2017, 799,970 $42.6 May 15, 2017, $30.0 Prior to the acquisition, Hardeman conducted banking business from 10 $462.9 $251.6 $389.0 September 2017. 5 Goodwill of $29.4 two not A summary, at fair value, of the assets acquired and liabilities assumed in the Hardeman transaction, as of the acquisition date, is as follows: (In thousands) Acquired from Fair Value Fair Assets Acquired Cash and due from banks $ 8,001 $ -- $ 8,001 Interest bearing balances due from banks - time 1,984 -- 1,984 Investment securities 170,654 (316 ) 170,338 Loans acquired 257,641 (5,992 ) 251,649 Allowance for loan losses (2,382 ) 2,382 -- Foreclosed assets 1,083 (452 ) 631 Premises and equipment 9,905 1,258 11,163 Bank owned life insurance 7,819 -- 7,819 Goodwill 11,485 (11,485 ) -- Core deposit intangible -- 7,840 7,840 Other intangibles -- 830 830 Other assets 2,639 (1 ) 2,638 Total assets acquired $ 468,829 $ (5,936 ) $ 462,893 Liabilities Assumed Deposits: Non-interest bearing transaction accounts $ 76,555 $ -- $ 76,555 Interest bearing transaction accounts and savings deposits 214,872 -- 214,872 Time deposits 97,917 (368 ) 97,549 Total deposits 389,344 (368 ) 388,976 Securities sold under agreement to repurchase 17,163 -- 17,163 Other borrowings 3,000 -- 3,000 Subordinated debentures 6,702 -- 6,702 Accrued interest and other liabilities 1,891 1,924 3,815 Total liabilities assumed 418,100 1,556 419,656 Equity 50,729 (50,729 ) -- Total equity assumed 50,729 (50,729 ) -- Total liabilities and equity assumed $ 468,829 $ (49,173 ) $ 419,656 Net assets acquired 43,237 Purchase price 72,639 Goodwill $ 29,402 The purchase price allocation and certain fair value measurements remain preliminary due to the timing of the acquisition. Management will continue to review the estimated fair values and evaluate the assumed tax positions. The Company expects to finalize its analysis of the acquired assets and assumed liabilities in this transaction over the next few months, within one may The Company’s operating results for 2017 Citizens National Bank On September 9, 2016, 835,741 $41.3 September 9, 2016, $35.0 Prior to the acquisition, Citizens conducted banking business from 9 $585.5 $340.9 $509.9 October 21, 2016. Goodwill of $23.0 two A summary, at fair value, of the assets acquired and liabilities assumed in the Citizens transaction, as of the acquisition date, is as follows: (In thousands) Acquired from Fair Value Fair Assets Acquired Cash and due from banks $ 131,467 $ -- $ 131,467 Federal funds sold 10,000 -- 10,000 Investment securities 61,987 1 61,988 Loans acquired 350,361 (9,511 ) 340,850 Allowance for loan losses (4,313 ) 4,313 -- Foreclosed assets 4,960 (1,518 ) 3,442 Premises and equipment 6,746 1,339 8,085 Bank owned life insurance 6,632 -- 6,632 Core deposit intangible -- 5,075 5,075 Other intangibles -- 591 591 Other assets 17,364 6 17,370 Total assets acquired $ 585,204 $ 296 $ 585,500 Liabilities Assumed Deposits: Non-interest bearing transaction accounts $ 109,281 $ -- $ 109,281 Interest bearing transaction accounts and savings deposits 204,912 -- 204,912 Time deposits 195,664 -- 195,664 Total deposits 509,857 -- 509,857 Securities sold under agreement to repurchase 13,233 -- 13,233 FHLB borrowings 4,000 47 4,047 Accrued interest and other liabilities 3,558 1,530 5,088 Total liabilities assumed 530,648 1,577 532,225 Equity 54,556 (54,556 ) -- Total equity assumed 54,556 (54,556 ) -- Total liabilities and equity assumed $ 585,204 $ (52,979 ) $ 532,225 Net assets acquired 53,275 Purchase price 76,300 Goodwill $ 23,025 The purchase price allocation and certain fair value measurements remain preliminary due to the timing of the acquisition. Management will continue to review the estimated fair values and to evaluate the assumed tax positions. The Company expects to finalize its analysis of the acquired assets and assumed liabilities in this transaction over the next few months, within one may The Company’s operating results for 2017 2016 The following is a description of the methods used to determine the fair values of significant assets and liabilities presented in the acquisitions above. Cash and due from banks, time deposits due from banks and federal funds sold Investment securities Loans acquired not not Foreclosed assets held for sale Premises and equipment Bank owned life insurance Goodwill Core deposit intangible Other intangibles Other assets Deposits Securities sold under agreement to repurchase FHLB and other borrowings Subordinated debentures – Accrued interest and other liabilities Southwest Bancorp, Inc. (Pending Acquisition) On December 14, 2016, $564.4 December 13, 2016), first SBI conducts banking business from 31 December 31, 2016, $2.5 $1.9 $1.9 October 2017 January 2018 First Texas BHC, Inc. (Pending Acquisition) On January 23, 2017, $462 January 20, 2017), first First Texas conducts banking business from 16 December 31, 2016, $2.1 $1.8 $1.7 October 2017 January 2018

Note 3 - Investment Securities

Note 3 - Investment Securities	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	NOTE 3: The amortized cost and fair value of investment securities that are classified as held-to-maturity (“HTM”) and available-for-sale (“AFS”) are as follows: June 30, 2017 December 31, 2016 (In thousands) Amortized Gross Gross Unrealized Estimated Amortized Gross Gross Unrealized Estimated Held-to-Maturity U.S. Government agencies $ 67,912 $ 52 $ (178 ) $ 67,786 $ 76,875 $ 107 $ (182 ) $ 76,800 Mortgage-backed securities 17,882 66 (198 ) 17,750 19,773 63 (249 ) 19,587 State and political subdivisions 331,249 6,623 (105 ) 337,767 362,532 4,967 (842 ) 366,657 Other securities 1,960 -- -- 1,960 2,916 -- -- 2,916 Total HTM $ 419,003 $ 6,741 $ (481 ) $ 425,263 $ 462,096 $ 5,137 $ (1,273 ) $ 465,960 Available-for-Sale U.S. Treasury $ 19,996 $ 1 $ -- $ 19,997 $ 300 $ -- $ -- $ 300 U.S. Government agencies 149,296 213 (1,890 ) 147,619 140,005 67 (2,301 ) 137,771 Mortgage-backed securities 892,080 95 (13,970 ) 878,205 885,783 178 (17,637 ) 868,324 State and political subdivisions 86,915 133 (3,376 ) 83,672 108,374 38 (5,469 ) 102,943 Other securities 59,990 1,117 -- 61,107 47,022 996 (2 ) 48,016 Total AFS $ 1,208,277 $ 1,559 $ (19,236 ) $ 1,190,600 $ 1,181,484 $ 1,279 $ (25,409 ) $ 1,157,354 Securities with limited marketability, such as stock in the Federal Reserve Bank and the Federal Home Loan Bank, are carried at cost and are reported as other available-for-sale securities in the table above. Certain investment securities are valued at less than their historical cost. Total fair value of these investments at June 30, 2017, $1.1 69.6% The following table shows the gross unrealized losses and fair value of the Company’s investments with unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at June 30, 2017: Less Than 12 Months 12 Months or More Total (In thousands) Estimated Gross Estimated Gross Estimated Gross Held-to-Maturity U.S. Government agencies $ 14,938 $ (62 ) $ 37,883 $ (116 ) $ 52,821 $ (178 ) Mortgage-backed securities 10,036 (151 ) 1,291 (47 ) 11,327 (198 ) State and political subdivisions 18,939 (104 ) 225 (1 ) 19,164 (105 ) Total HTM $ 43,913 $ (317 ) $ 39,399 $ (164 ) $ 83,312 $ (481 ) Available-for-Sale U.S. Government agencies $ 111,504 $ (1,761 ) $ 16,868 $ (129 ) $ 128,372 $ (1,890 ) Mortgage-backed securities 785,746 (12,903 ) 45,673 (1,067 ) 831,419 (13,970 ) State and political subdivisions 57,309 (2,137 ) 20,158 (1,239 ) 77,467 (3,376 ) Other securities 100 -- -- -- 100 -- Total AFS $ 954,659 $ (16,801 ) $ 82,699 $ (2,435 ) $ 1,037,358 $ (19,236 ) These declines primarily resulted from the rate for these investments yielding less than current market rates. Based on evaluation of available evidence, management believes the declines in fair value for these securities are temporary. Management does not not not Declines in the fair value of held-to-maturity and available-for-sale securities below their cost that are deemed to be other than temporary are reflected in earnings as realized losses. In estimating other-than-temporary impairment losses, management considers, among other things, (i) the length of time and the extent to which the fair value has been less than cost, (ii) the financial condition and near-term prospects of the issuer, and (iii) the intent and ability of the Company to retain its investment in the issuer for a period of time sufficient to allow for any anticipated recovery in fair value. Management has the ability and intent to hold the securities classified as held to maturity until they mature, at which time the Company expects to receive full value for the securities. Furthermore, as of June 30, 2017, not June 30, 2017, Income earned on securities for the three six June 30, 2017 2016, Three Months Ended Six Months Ended (In thousands) 2017 2016 2017 2016 Taxable: Held-to-maturity $ 636 $ 1,446 $ 1,297 $ 2,323 Available-for-sale 6,238 4,492 12,054 8,926 Non-taxable: Held-to-maturity 2,217 2,399 4,500 5,545 Available-for-sale 899 162 1,590 211 Total $ 9,990 $ 8,499 $ 19,441 $ 17,005 The amortized cost and estimated fair value by maturity of securities are shown in the following table. Securities are classified according to their contractual maturities without consideration of principal amortization, potential prepayments or call options. Accordingly, actual maturities may Held-to-Maturity Available-for-Sale (In thousands) Amortized Fair Amortized Fair One year or less $ 50,648 $ 50,636 $ 21,212 $ 21,213 After one through five years 108,555 109,055 100,683 99,792 After five through ten years 100,222 101,798 8,941 8,712 After ten years 141,696 146,024 126,471 122,671 Securities not due on a single maturity date 17,882 17,750 892,080 878,205 Other securities (no maturity) -- -- 58,890 60,007 Total $ 419,003 $ 425,263 $ 1,208,277 $ 1,190,600 The carrying value, which approximates the fair value, of securities pledged as collateral, to secure public deposits and for other purposes, amounted to $1.0 June 30, 2017 $915.2 December 31, 2016. There were $2.2 $5,000 three June 30, 2017, $2.3 $5,000 six June 30, 2017. $3.8 no three June 30, 2016, $4.1 no six June 30, 2016. The state and political subdivision debt obligations are predominately non-rated bonds representing small issuances, primarily in Arkansas, Missouri, Tennessee and Texas issues, which are evaluated on an ongoing basis.

Note 4 - Loans and Allowance fo

Note 4 - Loans and Allowance for Loan Losses	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	NOTE 4: At June 30, 2017, $6.225 $5.633 December 31, 2016. (In thousands) June 30, December 31, Consumer: Credit cards $ 176,953 $ 184,591 Other consumer 366,136 303,972 Total consumer 543,089 488,563 Real Estate: Construction 457,896 336,759 Single family residential 1,014,412 904,245 Other commercial 2,089,707 1,787,075 Total real estate 3,562,015 3,028,079 Commercial: Commercial 678,932 639,525 Agricultural 191,345 150,378 Total commercial 870,277 789,903 Other 25,191 20,662 Loans 5,000,572 4,327,207 Loans acquired, net of discount and allowance (1) 1,224,739 1,305,683 Total loans $ 6,225,311 $ 5,632,890 ____________________________ ( 1 See Note 5, Loan Origination/Risk Management may five Consumer Real estate one Commercial one three Nonaccrual and Past Due Loans not may may not Nonaccrual loans, excluding loans acquired, segregated by class of loans, are as follows: (In thousands) June 30, December 31, Consumer: Credit cards $ 293 $ 373 Other consumer 2,747 1,793 Total consumer 3,040 2,166 Real estate: Construction 2,761 3,411 Single family residential 12,722 12,139 Other commercial 20,368 12,385 Total real estate 35,851 27,935 Commercial: Commercial 16,169 7,765 Agricultural 2,066 1,238 Total commercial 18,235 9,003 Total $ 57,126 $ 39,104 An age analysis of past due loans, excluding loans acquired, segregated by class of loans, is as follows: (In thousands) Gross 90 Days Total Current Total 90 Days June 30, 2017 Consumer: Credit cards $ 568 $ 565 $ 1,133 $ 175,820 $ 176,953 $ 271 Other consumer 3,301 1,779 5,080 361,056 366,136 10 Total consumer 3,869 2,344 6,213 536,876 543,089 281 Real estate: Construction 950 1,748 2,698 455,198 457,896 -- Single family residential 5,429 5,756 11,185 1,003,227 1,014,412 -- Other commercial 3,385 9,542 12,927 2,076,780 2,089,707 -- Total real estate 9,764 17,046 26,810 3,535,205 3,562,015 -- Commercial: Commercial 7,408 8,543 15,951 662,981 678,932 -- Agricultural 53 2,009 2,062 189,283 191,345 -- Total commercial 7,461 10,552 18,013 852,264 870,277 -- Other -- -- -- 25,191 25,191 -- Total $ 21,094 $ 29,942 $ 51,036 $ 4,949,536 $ 5,000,572 $ 281 December 31, 2016 Consumer: Credit cards $ 716 $ 275 $ 991 $ 183,600 $ 184,591 $ 275 Other consumer 3,786 1,027 4,813 299,159 303,972 11 Total consumer 4,502 1,302 5,804 482,759 488,563 286 Real estate: Construction 1,420 1,246 2,666 334,093 336,759 -- Single family residential 6,310 5,927 12,237 892,008 904,245 14 Other commercial 4,212 6,722 10,934 1,776,141 1,787,075 -- Total real estate 11,942 13,895 25,837 3,002,242 3,028,079 14 Commercial: Commercial 2,040 5,296 7,336 632,189 639,525 -- Agricultural 121 1,215 1,336 149,042 150,378 -- Total commercial 2,161 6,511 8,672 781,231 789,903 -- Other -- -- -- 20,662 20,662 -- Total $ 18,605 $ 21,708 $ 40,313 $ 4,286,894 $ 4,327,207 $ 300 Impaired Loans not 90 Impairment is evaluated in total for smaller-balance loans of a similar nature and on an individual loan basis for other loans. Impaired loans, or portions thereof, are charged-off when deemed uncollectible. Impaired loans, net of government guarantees and excluding loans acquired, segregated by class of loans, are as follows: (In thousands) Unpaid Recorded Investment Recorded Total Related Average Interest Average Interest June 30, 2017 Three Months Ended Six Months Ended Consumer: Credit cards $ 293 $ 293 $ -- $ 293 $ -- $ 261 $ 6 $ 298 $ 11 Other consumer 2,824 2,747 -- 2,747 -- 2,581 17 2,321 31 Total consumer 3,117 3,040 -- 3,040 -- 2,842 23 2,619 42 Real estate: Construction 3,309 1,755 1,006 2,761 156 2,748 21 2,969 39 Single family residential 13,423 12,004 718 12,722 46 12,837 90 12,686 167 Other commercial 22,562 7,324 13,044 20,368 1,686 22,402 138 19,670 258 Total real estate 39,294 21,083 14,768 35,851 1,888 37,987 249 35,325 464 Commercial: Commercial 17,682 4,674 11,495 16,169 3,636 14,275 91 12,952 170 Agricultural 3,183 2,066 -- 2,066 -- 2,152 13 1,840 24 Total commercial 20,865 6,740 11,495 18,235 3,636 16,427 104 14,792 194 Total $ 63,276 $ 30,863 $ 26,263 $ 57,126 $ 5,524 $ 57,256 $ 376 $ 52,736 $ 700 December 31, 2016 Three Months Ended June 30, 2016 Six Months Ended June 30, 2016 Consumer: Credit cards $ 373 $ 373 $ -- $ 373 $ -- $ 216 $ -- $ 304 $ 10 Other consumer 1,836 1,797 3 1,800 1 841 12 708 18 Total consumer 2,209 2,170 3 2,173 1 1,057 12 1,012 28 Real estate: Construction 4,275 1,038 2,374 3,412 156 5,089 61 5,044 126 Single family residential 12,970 10,630 1,753 12,383 162 9,032 110 7,904 197 Other commercial 20,993 6,891 7,315 14,206 99 19,976 220 14,789 370 Total real estate 38,238 18,559 11,442 30,001 417 34,097 391 27,737 693 Commercial: Commercial 11,848 2,734 7,573 10,307 262 2,539 31 2,355 59 Agricultural 2,226 1,215 -- 1,215 -- 1,084 15 810 20 Total commercial 14,074 3,949 7,573 11,522 262 3,623 46 3,165 79 Total $ 54,521 $ 24,678 $ 19,018 $ 43,696 $ 680 $ 38,777 $ 449 $ 31,914 $ 800 At June 30, 2017, December 31, 2016, $57.1 $43.7 $5.5 $680,000 June 30, 2017 December 31, 2016, $376,000 $700,000 $57.3 $52.7 three six June 30, 2017. three six June 30, 2017 2016 not Included in certain impaired loan categories are troubled debt restructurings (“TDRs”). When the Company restructures a loan to a borrower that is experiencing financial difficulty and grants a concession that it would not Under ASC Topic 310 10 35 Subsequent Measurement Once an obligation has been restructured because of such credit problems, it continues to be considered a TDR until paid in full; or, if an obligation yields a market interest rate and no not 1 2 six The following table presents a summary of troubled debt restructurings, excluding loans acquired, segregated by class of loans. Accruing TDR Loans Nonaccrual TDR Loans Total TDR Loans (Dollars in thousands) Number Balance Number Balance Number Balance June 30, 2017 Real estate: Construction -- $ -- 2 $ 445 2 $ 445 Single-family residential 1 43 19 1,212 20 1,255 Other commercial 6 6,624 4 8,089 10 14,713 Total real estate 7 6,667 25 9,746 32 16,413 Commercial: Commercial 7 2,127 9 788 16 2,915 Total commercial 7 2,127 9 788 16 2,915 Total 14 $ 8,794 34 $ 10,534 48 $ 19,328 December 31, 2016 Consumer: Other consumer -- $ -- 1 $ 3 1 $ 3 Total consumer -- -- 1 3 1 3 Real estate: Construction -- -- 1 18 1 18 Single-family residential 3 167 29 2,078 32 2,245 Other commercial 23 9,048 2 780 25 9,828 Total real estate 26 9,215 32 2,876 58 12,091 Commercial: Commercial 15 1,783 5 297 20 2,080 Total commercial 15 1,783 5 297 20 2,080 Total 41 $ 10,998 38 $ 3,176 79 $ 14,174 The following table presents loans that were restructured as TDRs during the three six June 30, 2017 2016, Modification Type (Dollars in thousands) Number of Balance Prior Balance at Change in Change in Financial Impact Three Months Ended June 30, 2017 Commercial: Commercial 4 $ 41 $ 39 $ -- $ 39 $ -- Total commercial 4 41 39 -- 39 -- Total 4 $ 41 $ 39 $ -- $ 39 $ -- Three Months Ended June 30, 2016 Consumer: Other consumer 1 $ 3 $ 3 $ 3 $ -- $ -- Total consumer 1 3 3 3 -- -- Real Estate: Single-family residential 7 618 615 61 554 -- Other commercial 1 348 364 -- 364 -- Total real estate 8 966 979 61 918 -- Commercial: Commercial 9 426 399 399 -- -- Total commercial 9 426 399 399 -- -- Total 18 $ 1,395 $ 1,381 $ 463 $ 918 $ -- Six Months Ended June 30, 2017 Real estate: Construction 1 $ 456 $ 456 $ 456 $ -- $ -- Other commercial 2 7,362 7,362 7,362 -- 33 Total real estate 3 7,818 7,818 7,818 -- 33 Commercial: Commercial 9 811 799 760 39 -- Total commercial 9 811 799 760 39 -- Total 12 $ 8,629 $ 8,617 $ 8,578 $ 39 $ 33 Six Months Ended June 30, 2016 Consumer: Other consumer 1 $ 3 $ 3 $ 3 $ -- $ -- Total consumer 1 3 3 3 -- -- Real estate: Single-family residential 9 796 793 239 554 -- Other commercial 25 8,962 8,931 8,567 364 -- Total real estate 34 9,758 9,724 8,806 918 -- Commercial: Commercial 11 600 572 572 -- -- Total commercial 11 600 572 572 -- Total 46 $ 10,361 $ 10,299 $ 9,381 $ 918 $ -- During the three June 30, 2017, 4 $41,000 no no not During the six June 30, 2017, 12 $8.6 12 $33,000 no not During the three June 30, 2016, 18 $1.4 six June 30, 2016, 46 $10.4 12 $324,000 no not There was one six June 30, 2017, 12 no six June 30, 2016, 12 90 In addition to the TDRs that occurred during the period provided in the preceding tables, the Company had TDRs with pre-modification loan balances of $117,000 $166,500 June 30, 2017 2016, June 30, 2017 December 31, 2016, $1,321,000 $1,714,000, June 30, 2017 December 31, 2016, $2,648,000 $5,094,000, Credit Quality Indicators The Company utilizes a risk rating matrix to assign a risk rate to each of its commercial and real estate loans. Loans are rated on a scale of 1 8. 8 · Risk Rate 1 · Risk Rate 2 · Risk Rate 3 · Risk Rate 4 may may first may one may one · Risk Rate 5 may not not may may · Risk Rate 6 not not may · Risk Rate 7 may · Risk Rate 8 not not no not may Loans acquired are evaluated using this internal grading system. Loans acquired are evaluated individually and include purchased credit impaired loans of $8.4 $17.8 310 30 6 June 30, 2017 December 31, 2016, 310 20, $33.2 $47.8 6, 7 8 June 30, 2017 December 31, 2016, Purchased credit impaired loans are loans that showed evidence of deterioration of credit quality during the loan term and for which it is probable, at acquisition, that the Company will be unable to collect all amounts contractually owed. Their fair value was initially based on the estimate of cash flows, both principal and interest, expected to be collected or estimated collateral values if cash flows are not not Classified loans for the Company include loans in Risk Ratings 6, 7 8. may not one 1 6 8 not not 2 not not 310 30, $156.1 $166.0 June 30, 2017 December 31, 2016, The following table presents a summary of loans by credit risk rating as of June 30, 2017 December 31, 2016, 310 30 1 4 (In thousands) Risk Rate Risk Rate Risk Rate Risk Rate Risk Rate Total June 30, 2017 Consumer: Credit cards $ 176,388 $ -- $ 565 $ -- $ -- $ 176,953 Other consumer 363,073 -- 3,063 -- -- 366,136 Total consumer 539,461 -- 3,628 -- -- 543,089 Real estate: Construction 449,699 1,739 6,442 16 -- 457,896 Single family residential 986,793 3,288 24,179 152 -- 1,014,412 Other commercial 2,031,129 6,611 51,967 -- -- 2,089,707 Total real estate 3,467,621 11,638 82,588 168 -- 3,562,015 Commercial: Commercial 651,846 2,022 25,061 3 -- 678,932 Agricultural 188,224 129 2,969 23 -- 191,345 Total commercial 840,070 2,151 28,030 26 -- 870,277 Other 25,191 -- -- -- -- 25,191 Loans acquired 1,150,104 32,960 40,182 1,486 7 1,224,739 Total $ 6,022,447 $ 46,749 $ 154,428 $ 1,680 $ 7 $ 6,225,311 (In thousands) Risk Rate Risk Rate Risk Rate Risk Rate Risk Rate Total December 31, 2016 Consumer: Credit cards $ 183,943 $ -- $ 648 $ -- $ -- $ 184,591 Other consumer 301,632 26 2,314 -- -- 303,972 Total consumer 485,575 26 2,962 -- -- 488,563 Real estate: Construction 330,080 98 6,565 16 -- 336,759 Single family residential 875,603 4,024 24,460 158 -- 904,245 Other commercial 1,738,207 6,874 41,994 -- -- 1,787,075 Total real estate 2,943,890 10,996 73,019 174 -- 3,028,079 Commercial: Commercial 616,805 558 22,162 -- -- 639,525 Agricultural 148,218 104 2,033 -- 23 150,378 Total commercial 765,023 662 24,195 -- 23 789,903 Other 20,662 -- -- -- -- 20,662 Loans acquired 1,217,886 22,181 64,075 1,541 -- 1,305,683 Total $ 5,433,036 $ 33,865 $ 164,251 $ 1,715 $ 23 $ 5,632,890 Allowance for Loan Losses Allowance for Loan Losses 310 10, Receivables 450 20, Loss Contingencies As mentioned above, allocations to the allowance for loan losses are categorized as either specific allocations or general allocations. A loan is considered impaired when it is probable that the Company will not not The general allocation is calculated monthly based on management’s assessment of several factors such as ( 1 2 3 4 5 6 7 8 one four The following table details activity in the allowance for loan losses by portfolio segment for the three six June 30, 2017. one not (In thousands) Commercial Real Credit Other Total Three Months Ended June 30, 2017 Balance, beginning of period (2) $ 8,173 $ 22,253 $ 3,729 $ 3,710 $ 37,865 Provision for loan losses (1) 249 4,974 649 436 6,308 Charge-offs (349 ) (1,712 ) (901 ) (993 ) (3,955 ) Recoveries 32 216 277 636 1,161 Net recoveries (charge-offs) (317 ) (1,496 ) (624 ) (357 ) (2,794 ) Balance, June 30, 2017 (2) $ 8,105 $ 25,731 $ 3,754 $ 3,789 $ 41,379 Six Months Ended June 30, 2017 Balance, beginning of period (2) $ 7,739 $ 21,817 $ 3,779 $ 2,951 $ 36,286 Provision for loan losses (1) 945 5,834 1,407 1,679 9,865 Charge-offs (641 ) (2,368 ) (1,945 ) (2,167 ) (7,121 ) Recoveries 62 448 513 1,326 2,349 Net charge-offs (579 ) (1,920 ) (1,432 ) (841 ) (4,772 ) Balance, June 30, 2017 (2) $ 8,105 $ 25,731 $ 3,754 $ 3,789 $ 41,379 Period-end amount allocated to: Loans individually evaluated for impairment $ 3,636 $ 1,888 $ -- $ -- $ 5,524 Loans collectively evaluated for impairment 4,469 23,843 3,754 3,789 35,855 Balance, June 30, 2017 (2) $ 8,105 $ 25,731 $ 3,754 $ 3,789 $ 41,379 ____________________________ ( 1 Provision for loan losses of $714,000 $1,464,000 three six June 30, 2017, three six June 30, 2017 $7,023,000 $11,330,000 $758,000 $2.0 three six June 30, 2017, $391,000. ( 2 Allowance for loan losses at June 30, 2017 $391,000 not March 31, 2017 $435,000 December 31, 2016 $954,000 June 30, 2017, March 31, 2017 December 31, 2016 $41,770,000, $38,300,000 $37,240,000, Activity in the allowance for loan losses for the three six June 30, 2016 (In thousands) Commercial Real Credit Other Total Three Months Ended June 30, 2016 Balance, beginning of period (4) $ 7,083 $ 19,925 $ 3,757 $ 1,916 $ 32,681 Provision for loan losses (3) 2,714 423 440 732 4,309 Charge-offs (2,283 ) (824 ) (702 ) (489 ) (4,298 ) Recoveries 318 111 253 149 831 Net charge-offs (1,965 ) (713 ) (449 ) (340 ) (3,467 ) Balance, June 30, 2016 (4) $ 7,832 $ 19,635 $ 3,748 $ 2,308 $ 33,523 Six Months Ended June 30, 2016 Balance, beginning of period (4) $ 5,985 $ 19,522 $ 3,893 $ 1,951 $ 31,351 Provision for loan losses (3) 4,281 943 921 987 7,132 Charge-offs (2,759 ) (1,053 ) (1,561 ) (882 ) (6,255 ) Recoveries 325 223 495 252 1,295 Net charge-offs (2,434 ) (830 ) (1,066 ) (630 ) (4,960 ) Balance, June 30, 2016 (4) $ 7,832 $ 19,635 $ 3,748 $ 2,308 $ 33,523 Period-end amount allocated to: Loans individually evaluated for impairment $ 63 $ 3,080 $ -- $ 6 $ 3,149 Loans collectively evaluated for impairment 7,769 16,555 3,748 2,302 30,374 Balance, June 30, 2016 (4) $ 7,832 $ 19,635 $ 3,748 $ 2,308 $ 33,523 Period-end amount allocated to: Loans individually evaluated for impairment $ 262 $ 417 $ -- $ 1 $ 680 Loans collectively evaluated for impairment 7,477 21,400 3,779 2,950 35,606 Balance, December 31, 2016 (5) $ 7,739 $ 21,817 $ 3,779 $ 2,951 $ 36,286 ____________________________ ( 3 Provision for loan losses of $307,000 three six June 30, 2016 ( three six June 30, 2016 $4,616,000 $7,439,000 $307,000 no ( 4 Allowance for loan losses at June 30, 2016, March 31, 2016 December 31, 2015 $954,000 June 30, 2016, March 31, 2016 December 31, 2015 $34,477,000, $33,635,000 $32,305,000, ( 5 Allowance for loan losses at December 31, 2016 $954,000 not December 31, 2016 $37,240,000. The Company’s recorded investment in loans, excluding loans acquired, related to each balance in the allowance for loan losses by portfolio segment on the basis of the Company’s impairment methodology was as follows: (In thousands) Commercial Real Credit Other Total June 30, 2017 Loans individually evaluated for impairment $ 18,235 $ 35,851 $ 293 $ 2,747 $ 57,126 Loans collectively evaluated for impairment 852,042 3,526,164 176,660 388,580 4,943,446 Balance, end of period $ 870,277 $ 3,562,015 $ 176,953 $ 391,327 $ 5,000,572 December 31, 2016 Loans individually evaluated for impairment $ 11,522 $ 30,001 $ 373 $ 1,800 $ 43,696 Loans collectively evaluated for impairment 778,381 2,998,078 184,218 322,834 4,283,511 Balance, end of period $ 789,903 $ 3,028,079 $ 184,591 $ 324,634 $ 4,327,207

Note 5 - Loans Acquired

Note 5 - Loans Acquired	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Loans Acquired [Text Block]	NOTE 5: During the second 2017, $249.3 $254.3 $5.0 2, 310 20, Nonrefundable Fees and Other Costs not $2.3 $3.3 $956,000 310 30, Loans and Debt Securities Acquired with Deteriorated Credit Quality not During the third 2016, $340.1 $348.8 $8.7 2, 310 20, Nonrefundable Fees and Other Costs not $757,000 $1.6 $848,000 310 30, Loans and Debt Securities Acquired with Deteriorated Credit Quality See Note 2, The following table reflects the carrying value of all loans acquired as of June 30, 2017 December 31, 2016: Loans Acquired (in thousands) June 30, December 31, Consumer: Other consumer $ 37,636 $ 49,677 Total consumer 37,636 49,677 Real estate: Construction 59,731 57,587 Single family residential 374,219 423,176 Other commercial 634,892 690,108 Total real estate 1,068,842 1,170,871 Commercial: Commercial 116,057 81,837 Agricultural 2,204 3,298 Total commercial 118,261 85,135 Total loans acquired (1) $ 1,224,739 $ 1,305,683 ____________________________ ( 1 Loans acquired are reported net of a $391,000 $954,000 June 30, 2017 December 31, 2016, Nonaccrual loans acquired, excluding purchased credit impaired loans accounted for under ASC Topic 310 30, 4, (In thousands) June 30, December 31, Consumer: Other consumer $ 303 $ 456 Total consumer 303 456 Real estate: Construction 1,950 7,961 Single family residential 11,902 13,366 Other commercial 10,686 22,045 Total real estate 24,538 43,372 Commercial: Commercial 2,607 2,806 Agricultural 184 198 Total commercial 2,791 3,004 Total $ 27,632 $ 46,832 An age analysis of past due loans acquired segregated by class of loans, is as follows (see Note 4, (In thousands) Gross 90 Days Total Current Total 90 Days June 30, 2017 Consumer: Other consumer $ 465 $ 89 $ 554 $ 37,082 $ 37,636 $ -- Total consumer 465 89 554 37,082 37,636 -- Real estate: Construction 148 1,442 1,590 58,141 59,731 -- Single family residential 2,005 4,553 6,558 367,661 374,219 48 Other commercial 1,991 5,009 7,000 627,892 634,892 -- Total real estate 4,144 11,004 15,148 1,053,694 1,068,842 48 Commercial: Commercial 1,549 801 2,350 113,707 116,057 -- Agricultural 67 -- 67 2,137 2,204 -- Total commercial 1,616 801 2,417 115,844 118,261 -- Total $ 6,225 $ 11,894 $ 18,119 $ 1,206,620 $ 1,224,739 $ 48 December 31, 2016 Consumer: Other consumer $ 571 $ 189 $ 760 $ 48,917 $ 49,677 $ -- Total consumer 571 189 760 48,917 49,677 -- Real estate: Construction 132 7,332 7,464 50,123 57,587 -- Single family residential 8,358 4,857 13,215 409,961 423,176 11 Other commercial 2,836 10,741 13,577 676,531 690,108 -- Total real estate 11,326 22,930 34,256 1,136,615 1,170,871 11 Commercial: Commercial 723 2,153 2,876 78,961 81,837 -- Agricultural 48 -- 48 3,250 3,298 -- Total commercial 771 2,153 2,924 82,211 85,135 -- Total $ 12,668 $ 25,272 $ 37,940 $ 1,267,743 $ 1,305,683 $ 11 The following table presents a summary of loans acquired by credit risk rating, segregated by class of loans (see Note 4, 310 30 1 4 (In thousands) Risk Rate Risk Rate Risk Rate Risk Rate Risk Rate Total June 30, 2017 Consumer: Other consumer $ 36,934 $ 18 $ 684 $ -- $ -- $ 37,636 Total consumer 36,934 18 684 -- -- 37,636 Real estate: Construction 57,016 67 2,648 -- -- 59,731 Single family residential 355,328 1,647 15,758 1,486 -- 374,219 Other commercial 595,029 24,328 15,535 -- -- 634,892 Total real estate 1,007,373 26,042 33,941 1,486 -- 1,068,842 Commercial: Commercial 103,777 6,900 5,373 -- 7 116,057 Agricultural 2,020 -- 184 -- -- 2,204 Total commercial 105,797 6,900 5,557 -- 7 118,261 Total $ 1,150,104 $ 32,960 $ 40,182 $ 1,486 $ 7 $ 1,224,739 December 31, 2016 Consumer: Other consumer $ 48,992 $ 14 $ 671 $ -- $ -- $ 49,677 Total consumer 48,992 14 671 -- -- 49,677 Real estate: Construction 50,704 88 6,795 -- -- 57,587 Single family residential 400,553 2,696 18,392 1,535 -- 423,176 Other commercial 641,018 17,384 31,706 -- -- 690,108 Total real estate 1,092,275 20,168 56,893 1,535 -- 1,170,871 Commercial: Commercial 73,609 1,965 6,257 6 -- 81,837 Agricultural 3,010 34 254 -- -- 3,298 Total commercial 76,619 1,999 6,511 6 -- 85,135 Total $ 1,217,886 $ 22,181 $ 64,075 $ 1,541 $ -- $ 1,305,683 Loans acquired were individually evaluated and recorded at estimated fair value, including estimated credit losses, at the time of acquisition. These loans are systematically reviewed by the Company to determine the risk of losses that may The amount of the estimated cash flows expected to be received from the purchased credit impaired loans in excess of the fair values recorded for the purchased credit impaired loans is referred to as the accretable yield. The accretable yield is recognized as interest income over the estimated lives of the loans. Each quarter, the Company estimates the cash flows expected to be collected from the acquired purchased credit impaired loans, and adjustments may may not The impact of the adjustments on the Company’s financial results for the three six June 30, 2017 2016 Three Months Ended Six Months Ended (In thousands) 2017 2016 2017 2016 Impact on net interest income and pre-tax income $ 1,388 $ 80 $ 2,572 $ 1,175 Net impact, net of taxes $ 844 $ 49 $ 1,563 $ 714 These adjustments will be recognized over the remaining lives of the purchased credit impaired loans. The accretable yield adjustments recorded in future periods will change as the Company continues to evaluate expected cash flows from the purchased credit impaired loans. Changes in the carrying amount of the accretable yield for all purchased impaired loans were as follows for the three six June 30, 2017 2016. Three Months Ended Six Months Ended (In thousands) Accretable Carrying Accretable Carrying Beginning balance $ 1,217 $ 8,695 $ 1,655 $ 17,802 Additions -- 2,388 -- 2,388 Accretable yield adjustments 1,418 -- 2,646 -- Accretion (1,869 ) 1,869 (3,535 ) 3,535 Payments and other reductions, net -- (4,504 ) -- (15,277 ) Balance, ending $ 766 $ 8,448 $ 766 $ 8,448 Three Months Ended Six Months Ended (In thousands) Accretable Carrying Accretable Carrying Beginning balance $ 2,034 $ 21,259 $ 954 $ 23,469 Additions -- -- -- -- Accretable yield adjustments 642 -- 3,074 -- Accretion (311 ) 311 (1,663 ) 1,663 Payments and other reductions, net -- (907 ) -- (4,469 ) Balance, ending $ 2,365 $ 20,663 $ 2,365 $ 20,663 Purchased impaired loans are evaluated on an individual borrower basis. Because some loans evaluated by the Company were determined to have experienced impairment in the estimated credit quality or cash flows, the Company recorded a provision and established an allowance for loan losses for loans acquired resulting in a total allowance on loans acquired of $391,000 June 30, 2017 $954,000 December 31, 2016. three six June 30, 2017 $714,000 $1.5 three six June 30, 2016 $307,000

Note 6 - Goodwill and Other Int

Note 6 - Goodwill and Other Intangible Assets	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Goodwill and Intangible Assets Disclosure [Text Block]	NOTE 6: Goodwill is tested annually, or more often if circumstances warrant, for impairment. If the implied fair value of goodwill is lower than its carrying amount, goodwill impairment is indicated, and goodwill is written down to its implied fair value. Subsequent increases in goodwill value are not $379.4 June 30, 2017 $348.5 December 31, 2016. The Company recorded $29.4 2017 not no six June 30, 2017 December 31, 2016. Core deposit premiums are amortized over a ten $7.8 second 2017 $5.1 fourth 2016 Intangible assets are being amortized over various periods ranging from 10 15 $830,000 second 2017 $591,000 fourth 2016 The Company’s goodwill and other intangibles (carrying basis and accumulated amortization) at June 30, 2017 December 31, 2016, (In thousands) June 30, December 31, Goodwill $ 379,437 $ 348,505 Core deposit premiums: Gross carrying amount 56,532 48,692 Accumulated amortization (12,956 ) (10,625 ) Core deposit premiums, net 43,576 38,067 Purchased credit card relationships: Gross carrying amount 2,068 2,068 Accumulated amortization (1,551 ) (1,344 ) Purchased credit card relationships, net 517 724 Books of business intangible: Gross carrying amount 16,714 15,884 Accumulated amortization (2,279 ) (1,716 ) Books of business intangible, net 14,435 14,168 Other intangible assets, net 58,528 52,959 Total goodwill and other intangible assets $ 437,965 $ 401,464 The Company’s estimated remaining amortization expense on intangibles as of June 30, 2017 (In thousands) Year Amortization Remainder of 2017 $ 3,452 2018 6,705 2019 6,395 2020 6,382 2021 6,320 Thereafter 29,274 Total $ 58,528

Note 7 - Time Deposits

Note 7 - Time Deposits	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Deposit Liabilities Disclosures [Text Block]	NOTE 7: Time deposits include approximately $665,268,000 $600,280,000 $100,000 June 30, 2017, December 31, 2016, $229,780,000 $193,596,000 $250,000 June 30, 2017 December 31, 2016,

Note 8 - Income Taxes

Note 8 - Income Taxes	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Income Tax Disclosure [Text Block]	NOTE 8: The provision for income taxes is comprised of the following components: (In thousands) June 30, June 30, Income taxes currently payable $ 18,521 $ 22,812 Deferred income taxes 2,230 615 Provision for income taxes $ 20,751 $ 23,427 The tax effects of temporary differences related to deferred taxes shown on the balance sheets were: June 30, December 31, (In thousands) 2017 2016 Deferred tax assets: Loans acquired $ 7,066 $ 7,986 Allowance for loan losses 16,536 14,754 Valuation of foreclosed assets 4,030 3,958 Tax NOLs from acquisition 12,806 13,077 Deferred compensation payable 2,905 2,785 Vacation compensation 1,879 1,740 Accrued equity and other compensation 4,879 6,367 Acquired securities 1,224 1,098 Other accrued liabilities 2,053 1,834 Unrealized loss on available-for-sale securities 7,037 9,559 Other 5,794 5,267 Gross deferred tax assets 66,209 68,425 Deferred tax liabilities: Goodwill and other intangible amortization (32,321 ) (29,601 ) Accumulated depreciation (6,520 ) (5,370 ) Other (6,056 ) (5,877 ) Gross deferred tax liabilities (44,897 ) (40,848 ) Net deferred tax asset, included in other assets $ 21,312 $ 27,577 A reconciliation of income tax expense at the statutory rate to the Company's actual income tax expense for the six June 30, 2017 2016 (In thousands) June 30, June 30, Computed at the statutory rate (35%) $ 23,078 $ 24,444 Increase (decrease) in taxes resulting from: State income taxes, net of federal tax benefit 775 1,369 Discrete items related to ASU 2016-09 (1,377 ) -- Tax exempt interest income (2,205 ) (2,048 ) Tax exempt earnings on BOLI (438 ) (519 ) Merger related expenses 372 -- Federal tax credits (793 ) (53 ) Other differences, net 1,339 234 Actual tax provision $ 20,751 $ 23,427 The Company follows ASC Topic 740, Income Taxes not not fifty not first no not first no 740 The amount of unrecognized tax benefits may Section 382 382 $36.5 382 2028 2035. The Company files income tax returns in the U.S. federal jurisdiction. The Company’s U.S. federal income tax returns are open and subject to examinations from the 2013 2013

Note 9 - Securities Sold Under

Note 9 - Securities Sold Under Agreements to Repurchase	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Repurchase Agreements, Resale Agreements, Securities Borrowed, and Securities Loaned Disclosure [Text Block]	NOTE 9: We utilize securities sold under agreements to repurchase to facilitate the needs of our customers and to facilitate secured short-term funding needs. Securities sold under agreements to repurchase are stated at the amount of cash received in connection with the transaction. We monitor collateral levels on a continuous basis. We may The gross amount of recognized liabilities for repurchase agreements was $120.9 $102.4 June 30, 2017 December 31, 2016, June 30, 2017 December 31, 2016 Remaining Contractual Maturity of the Agreements (In thousands) Overnight and Continuous Up to 30 Days 30-90 Days Greater than 90 Total June 30, 2017 Repurchase agreements: U.S. Government agencies $ 120,919 $ -- $ -- $ -- $ 120,919 December 31, 2016 Repurchase agreements: U.S. Government agencies $ 101,647 $ -- $ -- $ 757 $ 102,404

Note 10 - Other Borrowings and

Note 10 - Other Borrowings and Subordinated Debentures	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Debt Disclosure [Text Block]	NOTE 10: Debt at June 30, 2017 December 31, 2016 (In thousands) June 30, December 31, Other Borrowings FHLB advances, net of discount, due 2017 to 2033, 0.95% to 7.37% secured by residential real estate loans $ 429,287 $ 225,230 Notes payable, due 10/15/2020, 3.85%, fixed rate, unsecured 45,675 47,929 Total other borrowings 474,962 273,159 Subordinated Debentures Trust preferred securities, due 12/30/2033, floating rate of 2.80% above the three month LIBOR rate, reset quarterly, callable without penalty 20,620 20,620 Trust preferred securities, net of discount, due 6/30/2035, floating rate of 1.75% above the three month LIBOR rate, reset quarterly, callable without penalty 9,276 9,225 Trust preferred securities, net of discount, due 9/15/2037, floating rate of 1.37% above the three month LIBOR rate, reset quarterly 10,207 10,130 Trust preferred securities, net of discount, due 12/3/2033, floating rate of 2.88% above the three month LIBOR rate, reset quarterly, callable without penalty 5,159 5,161 Trust preferred securities, net of discount, due 12/13/2034, floating rate of 2.00% above the three month LIBOR rate, reset quarterly, callable without penalty 5,127 5,105 Trust preferred securities, net of discount, due 6/6/2037, floating rate of 1.57% above the three month LIBOR rate, reset quarterly, callable without penalty 10,221 10,156 Trust preferred securities, net of discount, due 12/15/2035, floating rate of 1.45% above the three month LIBOR rate, reset quarterly, callable without penalty 6,702 -- Total subordinated debentures 67,312 60,397 Total other borrowings and subordinated debentures $ 542,274 $ 333,556 The Company had $392.1 one June 30, 2107 $180.0 December 31, 2016. The Company had total FHLB advances of $429.3 June 30, 2017, $1.263 $1.954 June 30, 2017. The trust preferred securities are tax-advantaged issues that qualify for Tier 1 Aggregate annual maturities of long-term debt at June 30, 2017, (In thousands) Year Annual 2017 $ 3,713 2018 23,941 2019 7,665 2020 36,424 2021 2,333 Thereafter 76,148 Total $ 150,224

Note 11 - Contingent Liabilitie

Note 11 - Contingent Liabilities	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	NOTE 11: The Company and/or its subsidiaries have various unrelated legal proceedings, which, in the aggregate, are not

Note 12 - Common Stock

Note 12 - Common Stock	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Capital Stock Disclosure [Text Block]	NOTE 12: On July 23, 2012, 850,000 5% no may not

Note 13 - Undivided Profits

Note 13 - Undivided Profits	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Restrictions on Dividends, Loans and Advances [Text Block]	NOTE 13: The Company’s subsidiary bank is subject to a legal limitation on dividends that can be paid to the parent company without prior approval of the applicable regulatory agencies. The approval of the Commissioner of the Arkansas State Bank Department is required if the total of all dividends declared by an Arkansas state bank in any calendar year exceeds seventy-five 75% seventy-five 75% June 30, 2017, $4.0 The risk-based capital guidelines of the Federal Reserve Board and the Arkansas State Bank Department include the definitions for ( 1 2 3 January 1, 2015, 5% 8% 1 10% 6.50% 1 CET1 The Company and Bank must hold a capital conservation buffer composed of CET1 January 1, 2016, 0.625% four January 1 2.5% January 1, 2019). June 30, 2017, CET1 12.11% June 30, 2017.

Note 14 - Stock Based Compensat

Note 14 - Stock Based Compensation	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	NOTE 14: The Company’s Board of Directors has adopted various stock compensation plans. The plans provide for the grant of incentive stock options, nonqualified stock options, stock appreciation rights, and bonus stock awards. Pursuant to the plans, shares are reserved for future issuance by the Company upon the exercise of stock options or awarding of bonus shares granted to directors, officers and other key employees. The table below summarizes the transactions under the Company's active stock compensation plans for the six June 30, 2017: Stock Options Stock Awards Stock Units Number Weighted Number Weighted Number Weighted Balance, January 1, 2017 473 42.85 139 40.96 113 45.40 Granted -- -- -- -- 174 58.51 Stock Options Exercised (38 ) 32.64 -- -- -- -- Stock Awards/Units Vested -- -- (26 ) 34.27 (121 ) 52.69 Forfeited/Expired (3 ) 44.67 (11 ) 43.69 (9 ) 51.62 Balance, June 30, 2017 432 $ 43.73 102 $ 42.41 157 $ 54.05 Exercisable, June 30, 2017 323 $ 43.16 The following table summarizes information about stock options under the plans outstanding at June 30, 2017: Options Outstanding Options Exercisable Range of Number Weighted Weighted Number Weighted $17.55 - $21.13 4,550 2.83 $ 19.29 4,150 $ 19.32 21.29 - 21.29 4,400 5.62 21.29 2,900 21.29 21.51 - 21.51 1,500 2.55 21.51 1,500 21.51 30.31 - 30.31 22,180 0.88 30.31 22,180 30.31 40.57 - 40.57 40,490 7.50 40.57 40,490 40.57 40.72 - 40.72 1,500 7.38 40.72 600 40.72 44.40 - 44.40 49,870 7.73 44.40 37,144 44.40 45.50 - 45.50 246,485 8.11 45.50 190,907 45.50 47.02 - 47.02 58,090 8.25 47.02 20,838 47.02 48.13 - 48.13 3,305 8.21 48.13 2,645 48.13 $17.55 - $48.13 432,370 7.56 $ 43.73 323,354 $ 43.16 Total stock-based compensation expense was $4,499,000 $2,097,000 six June 30, 2017 2016, $433,000 June 30, 2017. $16,485,000 June 30, 2017. 2.2 The intrinsic value of stock options outstanding and stock options exercisable at June 30, 2017 $3,963,000 $3,149,000. $52.90 June 30, 2017, six June 30, 2017 June 30, 2016, $765,000 $741,000, The fair value of the Company’s employee stock options granted is estimated on the date of grant using the Black-Scholes option-pricing model. This model requires the input of highly subjective assumptions, changes to which can materially affect the fair value estimate. There were no six June 30, 2017. six June 30, 2016 $11.64 Six Months Ended Expected dividend yield 1.96 % Expected stock price volatility 27.34 % Risk-free interest rate 2.01 % Expected life of options (years) 7

Note 15 - Additional Cash Flow

Note 15 - Additional Cash Flow Information	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Cash Flow, Supplemental Disclosures [Text Block]	NOTE 15: The following is a summary of the Company’s additional cash flow information during the six Six Months Ended (In thousands) 2017 2016 Interest paid $ 13,203 $ 10,817 Income taxes paid 10,067 21,610 Transfers of loans to foreclosed assets held for sale 2,667 2,970 Transfers of premises and equipment to premises held for sale -- 6,167 Transfers of premises held for sale to foreclosed assets held for sale 3,188 923

Note 16 - Other Operating Expen

Note 16 - Other Operating Expenses	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Other Income and Other Expense Disclosure [Text Block]	NOTE 16: Other operating expenses consist of the following: Three Months Ended Six Months Ended (In thousands) 2017 2016 2017 2016 Professional services $ 3,962 $ 2,911 $ 9,131 $ 6,404 Postage 1,204 1,074 2,335 2,309 Telephone 982 1,041 2,060 2,100 Credit card expense 3,107 2,542 5,944 5,372 Marketing 1,687 2,149 3,033 3,122 Operating supplies 459 458 814 817 Amortization of intangibles 1,554 1,451 3,104 2,908 Branch right sizing expense 99 3,219 217 3,233 Other expense 6,831 4,687 13,134 9,662 Total other operating expenses $ 19,885 $ 19,532 $ 39,772 $ 35,927

Note 17 - Certain Transactions

Note 17 - Certain Transactions	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	NOTE 17: From time to time the Company and its subsidiaries have made loans and other extensions of credit to directors, officers, their associates and members of their immediate families. From time to time directors, officers and their associates and members of their immediate families have placed deposits with the Company’s subsidiary, Simmons Bank. Such loans, other extensions of credit and deposits were made in the ordinary course of business, on substantially the same terms (including interest rates and collateral) as those prevailing at the time for comparable transactions with other persons not not

Note 18 - Commitments and Credi

Note 18 - Commitments and Credit Risk	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Commitments Disclosure [Text Block]	NOTE 18: The Company grants agri-business, commercial and residential loans to customers throughout Arkansas, Kansas, Missouri and Tennessee, along with credit card loans to customers throughout the United States. Commitments to extend credit are agreements to lend to a customer as long as there is no may may not may At June 30, 2017, $568,760,000 $1,545,227,000 December 31, 2016, $562,527,000 $1,220,137,000 Standby letters of credit are conditional commitments issued by the Company, to guarantee the performance of a customer to a third $33,111,000 $29,362,000 June 30, 2017, December 31, 2016, 9 15 June 30, 2017 December 31, 2016, no

Note 19 - Preferred Stock

Note 19 - Preferred Stock	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Preferred Stock [Text Block]	NOTE 19: On February 27, 2015, 30,852 1 1% February 18, 2016, 9%. January 29, 2016,

Note 20 - Fair Value Measuremen

Note 20 - Fair Value Measurements	6 Months Ended
	Jun. 30, 2017
Notes to Financial Statements
Fair Value Disclosures [Text Block]	NOTE 20: ASC Topic 820, Fair Value Measurements ASC Topic 820 820 three may · Level 1 · Level 2 1 not · Level 3 no In general, fair value is based upon quoted market prices, where available. If such quoted market prices are not may may may may not not may Following is a description of the inputs and valuation methodologies used for assets measured at fair value on a recurring basis and recognized in the accompanying consolidated balance sheets, as well as the general classification of such assets pursuant to the valuation hierarchy. Available-for-sale securities 1 1 2 may 820, 2 third 16 1 2 not 3 1 2 Assets held in trading accounts 2 The following table sets forth the Company’s financial assets by level within the fair value hierarchy that were measured at fair value on a recurring basis as of June 30, 2017 December 31, 2016. Fair Value Measurements Using (In thousands) Fair Value Quoted Prices in Significant Other Significant June 30, 2017 ASSETS Available-for-sale securities U.S. Treasury $ 19,997 $ 19,997 $ -- $ -- U.S. Government agencies 147,619 -- 147,619 -- Mortgage-backed securities 878,205 -- 878,205 -- State and political subdivisions 83,672 -- 83,672 -- Other securities 61,107 -- 61,107 -- Assets held in trading accounts 50 -- 50 -- December 31, 2016 ASSETS Available-for-sale securities U.S. Treasury $ 300 $ 300 $ -- $ -- U.S. Government agencies 137,771 -- 137,771 -- Mortgage-backed securities 868,324 -- 868,324 -- States and political subdivisions 102,943 -- 102,943 -- Other securities 48,016 -- 48,016 -- Assets held in trading accounts 41 -- 41 -- Certain financial assets and liabilities are measured at fair value on a nonrecurring basis; that is, the instruments are not Impaired loans (collateral dependent) not 3 Appraisals are updated at renewal, if not $1.5 one two may 1 3 310 Foreclosed assets held for sale 3 June 30, 2017 December 31, 2016, $26.0 $26.9 The significant unobservable inputs (Level 3 may 3 10% 40% Mortgage loans held for sale not may 2 3 3. June 30, 2017 December 31, 2016, no The following table sets forth the Company’s financial assets by level within the fair value hierarchy that were measured at fair value on a nonrecurring basis as of June 30, 2017 December 31, 2016. Fair Value Measurements Using (In thousands) Fair Value Quoted Prices in Significant Other Significant June 30, 2017 ASSETS Impaired loans (1) (2) $ 11,079 $ -- $ -- $ 11,079 Foreclosed assets held for sale (1) 6,984 -- -- 6,984 December 31, 2016 ASSETS Impaired loans (1) (2) $ 17,154 $ -- $ -- $ 17,154 Foreclosed assets held for sale (1) 17,806 -- -- 17,806 ____________________________ ( 1 These amounts represent the resulting carrying amounts on the Consolidated Balance Sheets for impaired collateral dependent loans and foreclosed assets held for sale for which fair value re-measurements took place during the period. ( 2 Specific allocations of $2,139,000 $2,384,000 June 30, 2017 December 31, 2016, ASC Topic 825, Financial Instruments not not Cash and cash equivalents 1 Interest bearing balances due from banks 2 Held-to-maturity securities 1 not may 2 1 2 not 3 Loans 3 Loans acquired 3 Deposits 2 3 Federal Funds purchased, securities sold under agreement to repurchase and short-term debt 2 Other borrowings 2 Subordinated debentures 2 Accrued interest receivable/payable 2 Commitments to extend credit, letters of credit and lines of credit The fair value of a financial instrument is the current amount that would be exchanged between willing parties, other than in a forced liquidation. Fair value is best determined based upon quoted market prices. However, in many instances, there are no not may not The estimated fair values, and related carrying amounts, of the Company’s financial instruments are as follows: Carrying Fair Value Measurements (In thousands) Amount Level 1 Level 2 Level 3 Total June 30, 2017 Financial assets: Cash and cash equivalents $ 329,614 $ 329,614 $ -- $ -- $ 344,647 Interest bearing balances due from banks - time 6,057 -- 6,057 -- 6,057 Held-to-maturity securities 419,003 -- 425,263 -- 425,263 Mortgage loans held for sale 16,266 -- -- 16,266 16,266 Interest receivable 27,337 -- 27,337 -- 27,337 Legacy loans (net of allowance) 4,959,193 -- -- 4,941,097 4,941,097 Loans acquired (net of allowance) 1,224,739 -- -- 1,220,270 1,220,270 Financial liabilities: Non-interest bearing transaction accounts 1,650,986 -- 1,650,986 -- 1,650,986 Interest bearing transaction accounts and savings deposits 4,141,426 -- 4,141,426 -- 4,141,426 Time deposits 1,311,123 -- -- 1,301,715 1,301,715 Federal funds purchased and securities sold under agreements to repurchase 121,419 -- 121,419 -- 121,419 Other borrowings 474,962 -- 479,740 -- 479,740 Subordinated debentures 67,312 -- 62,012 -- 62,012 Interest payable 1,706 -- 1,706 -- 1,706 December 31, 2016 Financial assets: Cash and cash equivalents $ 285,659 $ 285,659 $ -- $ -- $ 285,659 Interest bearing balances due from banks - time 4,563 -- 4,563 -- 4,563 Held-to-maturity securities 462,096 -- 465,960 -- 465,960 Mortgage loans held for sale 27,788 -- -- 27,788 27,788 Interest receivable 27,788 -- 27,788 -- 27,788 Legacy loans (net of allowance) 4,290,921 -- -- 4,305,165 4,305,165 Loans acquired (net of allowance) 1,305,683 -- -- 1,310,017 1,310,017 Financial liabilities: Non-interest bearing transaction accounts 1,491,676 -- 1,491,676 -- 1,491,676 Interest bearing transaction accounts and savings deposits 3,956,483 -- 3,956,483 -- 3,956,483 Time deposits 1,287,060 -- -- 1,278,339 1,278,339 Federal funds purchased and securities sold under agreements to repurchase 115,029 -- 115,029 -- 115,029 Other borrowings 273,159 -- 292,367 -- 292,367 Subordinated debentures 60,397 -- 55,318 -- 55,318 Interest payable 1,668 -- 1,668 -- 1,668 The fair value of commitments to extend credit, letters of credit and lines of credit is not

Significant Accounting Policies

Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2017
Accounting Policies [Abstract]
New Accounting Pronouncements, Policy [Policy Text Block]	Recently Issued Accounting Pronouncements ASU 2017 09 Stock Compensation: Scope of Modification Accounting 2017 09” 2017 09 1 2 718, may 2017 09 2017 09 December 15, 2017, not ASU 2017 08 Premium Amortization on Purchased Callable Debt Securities 2017 08” 2017 08 not 2017 08 December 15, 2018, 2017 08 March 31, 2017 not ASU 2017 04 Goodwill and Other: Simplifying the Test for Goodwill Impairment 2017 04” 2017 04 2 2017 04, not 2017 04 December 15, 2019, 2017. 2017 04 not ASU 2016 15 Statement of Cash Flows: Classification of Certain Cash Receipts and Cash Payments 2016 15” 2016 15 2016 15 December 15, 2017, 2016 15 no not ASU 2016 13 Financial Instruments-Credit Losses: Measurement of Credit Losses on Financial Instruments 2016 13” 2016 13 2016 13 2016 13 2016 13 December 15, 2019, one first one ASU 2016 09 Compensation-Stock Compensation: Improvements to Employee Share-Based Payment Accounting 2016 09” 2016 09 no 2016 09 2016 09 2016 09 December 15, 2016. not $0.3 $1.5 three six June 30, 2017. ASU 2016 02 Leases 2016 02” 2016 02 2016 02 December 15, 2018, June 30, 2017, not ASU 2016 01 Financial Instruments-Overall: Recognition and Measurement of Financial Assets and Financial Liabilities 2016 01” 2016 01 2016 01 December 15, 2017, not ASU 2015 16 Business Combinations: Simplifying the Accounting for Measurement-Period Adjustments 2015 16” 2015 16 2015 16 2015 16 December 15, 2015 not ASU 2015 14 Revenue from Contracts with Customers: Deferral of the Effective Date 2015 14” 2015 14 2014 09 Revenue from Contracts with Customers 2014 09” ASU2014 09 2015 14 December 15, 2017. not not 2015 14, not 2015 14; not There have been no 2016 10 not
Business Combinations Policy [Policy Text Block]	Acquisition Accounting, Loans Acquired The Company accounts for its acquisitions under ASC Topic 805, Business Combinations No 820. The Company evaluates loans acquired, other than purchased impaired loans, in accordance with the provisions of ASC Topic 310 20, Nonrefundable Fees and Other Costs 310 30, Loans and Debt Securities Acquired with Deteriorated Credit Quality not For impaired loans accounted for under ASC Topic 310 30, For further discussion of our acquisition and loan accounting, see Note 2, 5,
Earnings Per Share, Policy [Policy Text Block]	Earnings Per Common Share (“EPS”) Basic EPS is computed by dividing reported net income available to common shareholders by weighted average number of common shares outstanding during each period. Diluted EPS is computed by dividing reported net income available to common shareholders by the weighted average common shares and all potential dilutive common shares outstanding during the period. Following is the computation of earnings per common share for the three six June 30, 2017 2016: Three Months Ended Six Months Ended (In thousands, except per share data) 2017 2016 2017 2016 Net income available to common shareholders $ 23,065 $ 22,909 $ 45,185 $ 46,390 Average common shares outstanding 31,817 30,353 31,585 30,340 Average potential dilutive common shares 209 99 209 99 Average diluted common shares 32,026 30,452 31,794 30,439 Basic earnings per share $ 0.72 $ 0.75 $ 1.43 $ 1.53 Diluted earnings per share (1) $ 0.72 $ 0.75 $ 1.42 $ 1.52 ____________________________ ( 1 Stock options to purchase 258,255 65,005 three six June 30, 2016 not no three six June 30, 2017.

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended Six Months Ended (In thousands, except per share data) 2017 2016 2017 2016 Net income available to common shareholders $ 23,065 $ 22,909 $ 45,185 $ 46,390 Average common shares outstanding 31,817 30,353 31,585 30,340 Average potential dilutive common shares 209 99 209 99 Average diluted common shares 32,026 30,452 31,794 30,439 Basic earnings per share $ 0.72 $ 0.75 $ 1.43 $ 1.53 Diluted earnings per share (1) $ 0.72 $ 0.75 $ 1.42 $ 1.52

Note 2 - Acquisitions (Tables)

Note 2 - Acquisitions (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]	(In thousands) Acquired from Fair Value Fair Assets Acquired Cash and due from banks $ 8,001 $ -- $ 8,001 Interest bearing balances due from banks - time 1,984 -- 1,984 Investment securities 170,654 (316 ) 170,338 Loans acquired 257,641 (5,992 ) 251,649 Allowance for loan losses (2,382 ) 2,382 -- Foreclosed assets 1,083 (452 ) 631 Premises and equipment 9,905 1,258 11,163 Bank owned life insurance 7,819 -- 7,819 Goodwill 11,485 (11,485 ) -- Core deposit intangible -- 7,840 7,840 Other intangibles -- 830 830 Other assets 2,639 (1 ) 2,638 Total assets acquired $ 468,829 $ (5,936 ) $ 462,893 Liabilities Assumed Deposits: Non-interest bearing transaction accounts $ 76,555 $ -- $ 76,555 Interest bearing transaction accounts and savings deposits 214,872 -- 214,872 Time deposits 97,917 (368 ) 97,549 Total deposits 389,344 (368 ) 388,976 Securities sold under agreement to repurchase 17,163 -- 17,163 Other borrowings 3,000 -- 3,000 Subordinated debentures 6,702 -- 6,702 Accrued interest and other liabilities 1,891 1,924 3,815 Total liabilities assumed 418,100 1,556 419,656 Equity 50,729 (50,729 ) -- Total equity assumed 50,729 (50,729 ) -- Total liabilities and equity assumed $ 468,829 $ (49,173 ) $ 419,656 Net assets acquired 43,237 Purchase price 72,639 Goodwill $ 29,402 (In thousands) Acquired from Fair Value Fair Assets Acquired Cash and due from banks $ 131,467 $ -- $ 131,467 Federal funds sold 10,000 -- 10,000 Investment securities 61,987 1 61,988 Loans acquired 350,361 (9,511 ) 340,850 Allowance for loan losses (4,313 ) 4,313 -- Foreclosed assets 4,960 (1,518 ) 3,442 Premises and equipment 6,746 1,339 8,085 Bank owned life insurance 6,632 -- 6,632 Core deposit intangible -- 5,075 5,075 Other intangibles -- 591 591 Other assets 17,364 6 17,370 Total assets acquired $ 585,204 $ 296 $ 585,500 Liabilities Assumed Deposits: Non-interest bearing transaction accounts $ 109,281 $ -- $ 109,281 Interest bearing transaction accounts and savings deposits 204,912 -- 204,912 Time deposits 195,664 -- 195,664 Total deposits 509,857 -- 509,857 Securities sold under agreement to repurchase 13,233 -- 13,233 FHLB borrowings 4,000 47 4,047 Accrued interest and other liabilities 3,558 1,530 5,088 Total liabilities assumed 530,648 1,577 532,225 Equity 54,556 (54,556 ) -- Total equity assumed 54,556 (54,556 ) -- Total liabilities and equity assumed $ 585,204 $ (52,979 ) $ 532,225 Net assets acquired 53,275 Purchase price 76,300 Goodwill $ 23,025

Note 3 - Investment Securities

Note 3 - Investment Securities (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Investment [Table Text Block]	June 30, 2017 December 31, 2016 (In thousands) Amortized Gross Gross Unrealized Estimated Amortized Gross Gross Unrealized Estimated Held-to-Maturity U.S. Government agencies $ 67,912 $ 52 $ (178 ) $ 67,786 $ 76,875 $ 107 $ (182 ) $ 76,800 Mortgage-backed securities 17,882 66 (198 ) 17,750 19,773 63 (249 ) 19,587 State and political subdivisions 331,249 6,623 (105 ) 337,767 362,532 4,967 (842 ) 366,657 Other securities 1,960 -- -- 1,960 2,916 -- -- 2,916 Total HTM $ 419,003 $ 6,741 $ (481 ) $ 425,263 $ 462,096 $ 5,137 $ (1,273 ) $ 465,960 Available-for-Sale U.S. Treasury $ 19,996 $ 1 $ -- $ 19,997 $ 300 $ -- $ -- $ 300 U.S. Government agencies 149,296 213 (1,890 ) 147,619 140,005 67 (2,301 ) 137,771 Mortgage-backed securities 892,080 95 (13,970 ) 878,205 885,783 178 (17,637 ) 868,324 State and political subdivisions 86,915 133 (3,376 ) 83,672 108,374 38 (5,469 ) 102,943 Other securities 59,990 1,117 -- 61,107 47,022 996 (2 ) 48,016 Total AFS $ 1,208,277 $ 1,559 $ (19,236 ) $ 1,190,600 $ 1,181,484 $ 1,279 $ (25,409 ) $ 1,157,354
Schedule of Unrealized Loss on Investments [Table Text Block]	Less Than 12 Months 12 Months or More Total (In thousands) Estimated Gross Estimated Gross Estimated Gross Held-to-Maturity U.S. Government agencies $ 14,938 $ (62 ) $ 37,883 $ (116 ) $ 52,821 $ (178 ) Mortgage-backed securities 10,036 (151 ) 1,291 (47 ) 11,327 (198 ) State and political subdivisions 18,939 (104 ) 225 (1 ) 19,164 (105 ) Total HTM $ 43,913 $ (317 ) $ 39,399 $ (164 ) $ 83,312 $ (481 ) Available-for-Sale U.S. Government agencies $ 111,504 $ (1,761 ) $ 16,868 $ (129 ) $ 128,372 $ (1,890 ) Mortgage-backed securities 785,746 (12,903 ) 45,673 (1,067 ) 831,419 (13,970 ) State and political subdivisions 57,309 (2,137 ) 20,158 (1,239 ) 77,467 (3,376 ) Other securities 100 -- -- -- 100 -- Total AFS $ 954,659 $ (16,801 ) $ 82,699 $ (2,435 ) $ 1,037,358 $ (19,236 )
Investment Income [Table Text Block]	Three Months Ended Six Months Ended (In thousands) 2017 2016 2017 2016 Taxable: Held-to-maturity $ 636 $ 1,446 $ 1,297 $ 2,323 Available-for-sale 6,238 4,492 12,054 8,926 Non-taxable: Held-to-maturity 2,217 2,399 4,500 5,545 Available-for-sale 899 162 1,590 211 Total $ 9,990 $ 8,499 $ 19,441 $ 17,005
Investments Classified by Contractual Maturity Date [Table Text Block]	Held-to-Maturity Available-for-Sale (In thousands) Amortized Fair Amortized Fair One year or less $ 50,648 $ 50,636 $ 21,212 $ 21,213 After one through five years 108,555 109,055 100,683 99,792 After five through ten years 100,222 101,798 8,941 8,712 After ten years 141,696 146,024 126,471 122,671 Securities not due on a single maturity date 17,882 17,750 892,080 878,205 Other securities (no maturity) -- -- 58,890 60,007 Total $ 419,003 $ 425,263 $ 1,208,277 $ 1,190,600

Note 4 - Loans and Allowance 33

Note 4 - Loans and Allowance for Loan Losses (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	(In thousands) June 30, December 31, Consumer: Credit cards $ 176,953 $ 184,591 Other consumer 366,136 303,972 Total consumer 543,089 488,563 Real Estate: Construction 457,896 336,759 Single family residential 1,014,412 904,245 Other commercial 2,089,707 1,787,075 Total real estate 3,562,015 3,028,079 Commercial: Commercial 678,932 639,525 Agricultural 191,345 150,378 Total commercial 870,277 789,903 Other 25,191 20,662 Loans 5,000,572 4,327,207 Loans acquired, net of discount and allowance (1) 1,224,739 1,305,683 Total loans $ 6,225,311 $ 5,632,890
Schedule of Financing Receivables, Non Accrual Status [Table Text Block]	(In thousands) June 30, December 31, Consumer: Credit cards $ 293 $ 373 Other consumer 2,747 1,793 Total consumer 3,040 2,166 Real estate: Construction 2,761 3,411 Single family residential 12,722 12,139 Other commercial 20,368 12,385 Total real estate 35,851 27,935 Commercial: Commercial 16,169 7,765 Agricultural 2,066 1,238 Total commercial 18,235 9,003 Total $ 57,126 $ 39,104
Past Due Financing Receivables [Table Text Block]	(In thousands) Gross 90 Days Total Current Total 90 Days June 30, 2017 Consumer: Credit cards $ 568 $ 565 $ 1,133 $ 175,820 $ 176,953 $ 271 Other consumer 3,301 1,779 5,080 361,056 366,136 10 Total consumer 3,869 2,344 6,213 536,876 543,089 281 Real estate: Construction 950 1,748 2,698 455,198 457,896 -- Single family residential 5,429 5,756 11,185 1,003,227 1,014,412 -- Other commercial 3,385 9,542 12,927 2,076,780 2,089,707 -- Total real estate 9,764 17,046 26,810 3,535,205 3,562,015 -- Commercial: Commercial 7,408 8,543 15,951 662,981 678,932 -- Agricultural 53 2,009 2,062 189,283 191,345 -- Total commercial 7,461 10,552 18,013 852,264 870,277 -- Other -- -- -- 25,191 25,191 -- Total $ 21,094 $ 29,942 $ 51,036 $ 4,949,536 $ 5,000,572 $ 281 December 31, 2016 Consumer: Credit cards $ 716 $ 275 $ 991 $ 183,600 $ 184,591 $ 275 Other consumer 3,786 1,027 4,813 299,159 303,972 11 Total consumer 4,502 1,302 5,804 482,759 488,563 286 Real estate: Construction 1,420 1,246 2,666 334,093 336,759 -- Single family residential 6,310 5,927 12,237 892,008 904,245 14 Other commercial 4,212 6,722 10,934 1,776,141 1,787,075 -- Total real estate 11,942 13,895 25,837 3,002,242 3,028,079 14 Commercial: Commercial 2,040 5,296 7,336 632,189 639,525 -- Agricultural 121 1,215 1,336 149,042 150,378 -- Total commercial 2,161 6,511 8,672 781,231 789,903 -- Other -- -- -- 20,662 20,662 -- Total $ 18,605 $ 21,708 $ 40,313 $ 4,286,894 $ 4,327,207 $ 300
Impaired Financing Receivables [Table Text Block]	(In thousands) Unpaid Recorded Investment Recorded Total Related Average Interest Average Interest June 30, 2017 Three Months Ended Six Months Ended Consumer: Credit cards $ 293 $ 293 $ -- $ 293 $ -- $ 261 $ 6 $ 298 $ 11 Other consumer 2,824 2,747 -- 2,747 -- 2,581 17 2,321 31 Total consumer 3,117 3,040 -- 3,040 -- 2,842 23 2,619 42 Real estate: Construction 3,309 1,755 1,006 2,761 156 2,748 21 2,969 39 Single family residential 13,423 12,004 718 12,722 46 12,837 90 12,686 167 Other commercial 22,562 7,324 13,044 20,368 1,686 22,402 138 19,670 258 Total real estate 39,294 21,083 14,768 35,851 1,888 37,987 249 35,325 464 Commercial: Commercial 17,682 4,674 11,495 16,169 3,636 14,275 91 12,952 170 Agricultural 3,183 2,066 -- 2,066 -- 2,152 13 1,840 24 Total commercial 20,865 6,740 11,495 18,235 3,636 16,427 104 14,792 194 Total $ 63,276 $ 30,863 $ 26,263 $ 57,126 $ 5,524 $ 57,256 $ 376 $ 52,736 $ 700 December 31, 2016 Three Months Ended June 30, 2016 Six Months Ended June 30, 2016 Consumer: Credit cards $ 373 $ 373 $ -- $ 373 $ -- $ 216 $ -- $ 304 $ 10 Other consumer 1,836 1,797 3 1,800 1 841 12 708 18 Total consumer 2,209 2,170 3 2,173 1 1,057 12 1,012 28 Real estate: Construction 4,275 1,038 2,374 3,412 156 5,089 61 5,044 126 Single family residential 12,970 10,630 1,753 12,383 162 9,032 110 7,904 197 Other commercial 20,993 6,891 7,315 14,206 99 19,976 220 14,789 370 Total real estate 38,238 18,559 11,442 30,001 417 34,097 391 27,737 693 Commercial: Commercial 11,848 2,734 7,573 10,307 262 2,539 31 2,355 59 Agricultural 2,226 1,215 -- 1,215 -- 1,084 15 810 20 Total commercial 14,074 3,949 7,573 11,522 262 3,623 46 3,165 79 Total $ 54,521 $ 24,678 $ 19,018 $ 43,696 $ 680 $ 38,777 $ 449 $ 31,914 $ 800
Troubled Debt Restructurings on Financing Receivables [Table Text Block]	Accruing TDR Loans Nonaccrual TDR Loans Total TDR Loans (Dollars in thousands) Number Balance Number Balance Number Balance June 30, 2017 Real estate: Construction -- $ -- 2 $ 445 2 $ 445 Single-family residential 1 43 19 1,212 20 1,255 Other commercial 6 6,624 4 8,089 10 14,713 Total real estate 7 6,667 25 9,746 32 16,413 Commercial: Commercial 7 2,127 9 788 16 2,915 Total commercial 7 2,127 9 788 16 2,915 Total 14 $ 8,794 34 $ 10,534 48 $ 19,328 December 31, 2016 Consumer: Other consumer -- $ -- 1 $ 3 1 $ 3 Total consumer -- -- 1 3 1 3 Real estate: Construction -- -- 1 18 1 18 Single-family residential 3 167 29 2,078 32 2,245 Other commercial 23 9,048 2 780 25 9,828 Total real estate 26 9,215 32 2,876 58 12,091 Commercial: Commercial 15 1,783 5 297 20 2,080 Total commercial 15 1,783 5 297 20 2,080 Total 41 $ 10,998 38 $ 3,176 79 $ 14,174
Schedule of Loans Restructured as TDRs [Table Text Block]	Modification Type (Dollars in thousands) Number of Balance Prior Balance at Change in Change in Financial Impact Three Months Ended June 30, 2017 Commercial: Commercial 4 $ 41 $ 39 $ -- $ 39 $ -- Total commercial 4 41 39 -- 39 -- Total 4 $ 41 $ 39 $ -- $ 39 $ -- Three Months Ended June 30, 2016 Consumer: Other consumer 1 $ 3 $ 3 $ 3 $ -- $ -- Total consumer 1 3 3 3 -- -- Real Estate: Single-family residential 7 618 615 61 554 -- Other commercial 1 348 364 -- 364 -- Total real estate 8 966 979 61 918 -- Commercial: Commercial 9 426 399 399 -- -- Total commercial 9 426 399 399 -- -- Total 18 $ 1,395 $ 1,381 $ 463 $ 918 $ -- Six Months Ended June 30, 2017 Real estate: Construction 1 $ 456 $ 456 $ 456 $ -- $ -- Other commercial 2 7,362 7,362 7,362 -- 33 Total real estate 3 7,818 7,818 7,818 -- 33 Commercial: Commercial 9 811 799 760 39 -- Total commercial 9 811 799 760 39 -- Total 12 $ 8,629 $ 8,617 $ 8,578 $ 39 $ 33 Six Months Ended June 30, 2016 Consumer: Other consumer 1 $ 3 $ 3 $ 3 $ -- $ -- Total consumer 1 3 3 3 -- -- Real estate: Single-family residential 9 796 793 239 554 -- Other commercial 25 8,962 8,931 8,567 364 -- Total real estate 34 9,758 9,724 8,806 918 -- Commercial: Commercial 11 600 572 572 -- -- Total commercial 11 600 572 572 -- Total 46 $ 10,361 $ 10,299 $ 9,381 $ 918 $ --
Financing Receivable Credit Quality Indicators [Table Text Block]	(In thousands) Risk Rate Risk Rate Risk Rate Risk Rate Risk Rate Total June 30, 2017 Consumer: Credit cards $ 176,388 $ -- $ 565 $ -- $ -- $ 176,953 Other consumer 363,073 -- 3,063 -- -- 366,136 Total consumer 539,461 -- 3,628 -- -- 543,089 Real estate: Construction 449,699 1,739 6,442 16 -- 457,896 Single family residential 986,793 3,288 24,179 152 -- 1,014,412 Other commercial 2,031,129 6,611 51,967 -- -- 2,089,707 Total real estate 3,467,621 11,638 82,588 168 -- 3,562,015 Commercial: Commercial 651,846 2,022 25,061 3 -- 678,932 Agricultural 188,224 129 2,969 23 -- 191,345 Total commercial 840,070 2,151 28,030 26 -- 870,277 Other 25,191 -- -- -- -- 25,191 Loans acquired 1,150,104 32,960 40,182 1,486 7 1,224,739 Total $ 6,022,447 $ 46,749 $ 154,428 $ 1,680 $ 7 $ 6,225,311 (In thousands) Risk Rate Risk Rate Risk Rate Risk Rate Risk Rate Total December 31, 2016 Consumer: Credit cards $ 183,943 $ -- $ 648 $ -- $ -- $ 184,591 Other consumer 301,632 26 2,314 -- -- 303,972 Total consumer 485,575 26 2,962 -- -- 488,563 Real estate: Construction 330,080 98 6,565 16 -- 336,759 Single family residential 875,603 4,024 24,460 158 -- 904,245 Other commercial 1,738,207 6,874 41,994 -- -- 1,787,075 Total real estate 2,943,890 10,996 73,019 174 -- 3,028,079 Commercial: Commercial 616,805 558 22,162 -- -- 639,525 Agricultural 148,218 104 2,033 -- 23 150,378 Total commercial 765,023 662 24,195 -- 23 789,903 Other 20,662 -- -- -- -- 20,662 Loans acquired 1,217,886 22,181 64,075 1,541 -- 1,305,683 Total $ 5,433,036 $ 33,865 $ 164,251 $ 1,715 $ 23 $ 5,632,890
Allowance for Credit Losses on Financing Receivables [Table Text Block]	(In thousands) Commercial Real Credit Other Total Three Months Ended June 30, 2017 Balance, beginning of period (2) $ 8,173 $ 22,253 $ 3,729 $ 3,710 $ 37,865 Provision for loan losses (1) 249 4,974 649 436 6,308 Charge-offs (349 ) (1,712 ) (901 ) (993 ) (3,955 ) Recoveries 32 216 277 636 1,161 Net recoveries (charge-offs) (317 ) (1,496 ) (624 ) (357 ) (2,794 ) Balance, June 30, 2017 (2) $ 8,105 $ 25,731 $ 3,754 $ 3,789 $ 41,379 Six Months Ended June 30, 2017 Balance, beginning of period (2) $ 7,739 $ 21,817 $ 3,779 $ 2,951 $ 36,286 Provision for loan losses (1) 945 5,834 1,407 1,679 9,865 Charge-offs (641 ) (2,368 ) (1,945 ) (2,167 ) (7,121 ) Recoveries 62 448 513 1,326 2,349 Net charge-offs (579 ) (1,920 ) (1,432 ) (841 ) (4,772 ) Balance, June 30, 2017 (2) $ 8,105 $ 25,731 $ 3,754 $ 3,789 $ 41,379 Period-end amount allocated to: Loans individually evaluated for impairment $ 3,636 $ 1,888 $ -- $ -- $ 5,524 Loans collectively evaluated for impairment 4,469 23,843 3,754 3,789 35,855 Balance, June 30, 2017 (2) $ 8,105 $ 25,731 $ 3,754 $ 3,789 $ 41,379 (In thousands) Commercial Real Credit Other Total Three Months Ended June 30, 2016 Balance, beginning of period (4) $ 7,083 $ 19,925 $ 3,757 $ 1,916 $ 32,681 Provision for loan losses (3) 2,714 423 440 732 4,309 Charge-offs (2,283 ) (824 ) (702 ) (489 ) (4,298 ) Recoveries 318 111 253 149 831 Net charge-offs (1,965 ) (713 ) (449 ) (340 ) (3,467 ) Balance, June 30, 2016 (4) $ 7,832 $ 19,635 $ 3,748 $ 2,308 $ 33,523 Six Months Ended June 30, 2016 Balance, beginning of period (4) $ 5,985 $ 19,522 $ 3,893 $ 1,951 $ 31,351 Provision for loan losses (3) 4,281 943 921 987 7,132 Charge-offs (2,759 ) (1,053 ) (1,561 ) (882 ) (6,255 ) Recoveries 325 223 495 252 1,295 Net charge-offs (2,434 ) (830 ) (1,066 ) (630 ) (4,960 ) Balance, June 30, 2016 (4) $ 7,832 $ 19,635 $ 3,748 $ 2,308 $ 33,523 Period-end amount allocated to: Loans individually evaluated for impairment $ 63 $ 3,080 $ -- $ 6 $ 3,149 Loans collectively evaluated for impairment 7,769 16,555 3,748 2,302 30,374 Balance, June 30, 2016 (4) $ 7,832 $ 19,635 $ 3,748 $ 2,308 $ 33,523 Period-end amount allocated to: Loans individually evaluated for impairment $ 262 $ 417 $ -- $ 1 $ 680 Loans collectively evaluated for impairment 7,477 21,400 3,779 2,950 35,606 Balance, December 31, 2016 (5) $ 7,739 $ 21,817 $ 3,779 $ 2,951 $ 36,286
Schedule of Loans by impairment evaluation [Table Text Block]	(In thousands) Commercial Real Credit Other Total June 30, 2017 Loans individually evaluated for impairment $ 18,235 $ 35,851 $ 293 $ 2,747 $ 57,126 Loans collectively evaluated for impairment 852,042 3,526,164 176,660 388,580 4,943,446 Balance, end of period $ 870,277 $ 3,562,015 $ 176,953 $ 391,327 $ 5,000,572 December 31, 2016 Loans individually evaluated for impairment $ 11,522 $ 30,001 $ 373 $ 1,800 $ 43,696 Loans collectively evaluated for impairment 778,381 2,998,078 184,218 322,834 4,283,511 Balance, end of period $ 789,903 $ 3,028,079 $ 184,591 $ 324,634 $ 4,327,207

Note 5 - Loans Acquired (Tables

Note 5 - Loans Acquired (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Carrying Value Of All Acquired Impaired Loans [Table Text Block]	Loans Acquired (in thousands) June 30, December 31, Consumer: Other consumer $ 37,636 $ 49,677 Total consumer 37,636 49,677 Real estate: Construction 59,731 57,587 Single family residential 374,219 423,176 Other commercial 634,892 690,108 Total real estate 1,068,842 1,170,871 Commercial: Commercial 116,057 81,837 Agricultural 2,204 3,298 Total commercial 118,261 85,135 Total loans acquired (1) $ 1,224,739 $ 1,305,683
Schedule of Financing Receivables, Non Accrual Status [Table Text Block]	(In thousands) June 30, December 31, Consumer: Credit cards $ 293 $ 373 Other consumer 2,747 1,793 Total consumer 3,040 2,166 Real estate: Construction 2,761 3,411 Single family residential 12,722 12,139 Other commercial 20,368 12,385 Total real estate 35,851 27,935 Commercial: Commercial 16,169 7,765 Agricultural 2,066 1,238 Total commercial 18,235 9,003 Total $ 57,126 $ 39,104
Past Due Financing Receivables [Table Text Block]	(In thousands) Gross 90 Days Total Current Total 90 Days June 30, 2017 Consumer: Credit cards $ 568 $ 565 $ 1,133 $ 175,820 $ 176,953 $ 271 Other consumer 3,301 1,779 5,080 361,056 366,136 10 Total consumer 3,869 2,344 6,213 536,876 543,089 281 Real estate: Construction 950 1,748 2,698 455,198 457,896 -- Single family residential 5,429 5,756 11,185 1,003,227 1,014,412 -- Other commercial 3,385 9,542 12,927 2,076,780 2,089,707 -- Total real estate 9,764 17,046 26,810 3,535,205 3,562,015 -- Commercial: Commercial 7,408 8,543 15,951 662,981 678,932 -- Agricultural 53 2,009 2,062 189,283 191,345 -- Total commercial 7,461 10,552 18,013 852,264 870,277 -- Other -- -- -- 25,191 25,191 -- Total $ 21,094 $ 29,942 $ 51,036 $ 4,949,536 $ 5,000,572 $ 281 December 31, 2016 Consumer: Credit cards $ 716 $ 275 $ 991 $ 183,600 $ 184,591 $ 275 Other consumer 3,786 1,027 4,813 299,159 303,972 11 Total consumer 4,502 1,302 5,804 482,759 488,563 286 Real estate: Construction 1,420 1,246 2,666 334,093 336,759 -- Single family residential 6,310 5,927 12,237 892,008 904,245 14 Other commercial 4,212 6,722 10,934 1,776,141 1,787,075 -- Total real estate 11,942 13,895 25,837 3,002,242 3,028,079 14 Commercial: Commercial 2,040 5,296 7,336 632,189 639,525 -- Agricultural 121 1,215 1,336 149,042 150,378 -- Total commercial 2,161 6,511 8,672 781,231 789,903 -- Other -- -- -- 20,662 20,662 -- Total $ 18,605 $ 21,708 $ 40,313 $ 4,286,894 $ 4,327,207 $ 300
Financing Receivable Credit Quality Indicators [Table Text Block]	(In thousands) Risk Rate Risk Rate Risk Rate Risk Rate Risk Rate Total June 30, 2017 Consumer: Credit cards $ 176,388 $ -- $ 565 $ -- $ -- $ 176,953 Other consumer 363,073 -- 3,063 -- -- 366,136 Total consumer 539,461 -- 3,628 -- -- 543,089 Real estate: Construction 449,699 1,739 6,442 16 -- 457,896 Single family residential 986,793 3,288 24,179 152 -- 1,014,412 Other commercial 2,031,129 6,611 51,967 -- -- 2,089,707 Total real estate 3,467,621 11,638 82,588 168 -- 3,562,015 Commercial: Commercial 651,846 2,022 25,061 3 -- 678,932 Agricultural 188,224 129 2,969 23 -- 191,345 Total commercial 840,070 2,151 28,030 26 -- 870,277 Other 25,191 -- -- -- -- 25,191 Loans acquired 1,150,104 32,960 40,182 1,486 7 1,224,739 Total $ 6,022,447 $ 46,749 $ 154,428 $ 1,680 $ 7 $ 6,225,311 (In thousands) Risk Rate Risk Rate Risk Rate Risk Rate Risk Rate Total December 31, 2016 Consumer: Credit cards $ 183,943 $ -- $ 648 $ -- $ -- $ 184,591 Other consumer 301,632 26 2,314 -- -- 303,972 Total consumer 485,575 26 2,962 -- -- 488,563 Real estate: Construction 330,080 98 6,565 16 -- 336,759 Single family residential 875,603 4,024 24,460 158 -- 904,245 Other commercial 1,738,207 6,874 41,994 -- -- 1,787,075 Total real estate 2,943,890 10,996 73,019 174 -- 3,028,079 Commercial: Commercial 616,805 558 22,162 -- -- 639,525 Agricultural 148,218 104 2,033 -- 23 150,378 Total commercial 765,023 662 24,195 -- 23 789,903 Other 20,662 -- -- -- -- 20,662 Loans acquired 1,217,886 22,181 64,075 1,541 -- 1,305,683 Total $ 5,433,036 $ 33,865 $ 164,251 $ 1,715 $ 23 $ 5,632,890
Tabular Temporal Display Of Adjustments Related To Purchased Covered Impaired Loans [Table Text Block]	Three Months Ended Six Months Ended (In thousands) 2017 2016 2017 2016 Impact on net interest income and pre-tax income $ 1,388 $ 80 $ 2,572 $ 1,175 Net impact, net of taxes $ 844 $ 49 $ 1,563 $ 714
Tabular Temporal Display of Accretable Yield [Table Text Block]	Three Months Ended Six Months Ended (In thousands) Accretable Carrying Accretable Carrying Beginning balance $ 1,217 $ 8,695 $ 1,655 $ 17,802 Additions -- 2,388 -- 2,388 Accretable yield adjustments 1,418 -- 2,646 -- Accretion (1,869 ) 1,869 (3,535 ) 3,535 Payments and other reductions, net -- (4,504 ) -- (15,277 ) Balance, ending $ 766 $ 8,448 $ 766 $ 8,448 Three Months Ended Six Months Ended (In thousands) Accretable Carrying Accretable Carrying Beginning balance $ 2,034 $ 21,259 $ 954 $ 23,469 Additions -- -- -- -- Accretable yield adjustments 642 -- 3,074 -- Accretion (311 ) 311 (1,663 ) 1,663 Payments and other reductions, net -- (907 ) -- (4,469 ) Balance, ending $ 2,365 $ 20,663 $ 2,365 $ 20,663
Acquired Loans [Member]
Notes Tables
Schedule of Financing Receivables, Non Accrual Status [Table Text Block]	(In thousands) June 30, December 31, Consumer: Other consumer $ 303 $ 456 Total consumer 303 456 Real estate: Construction 1,950 7,961 Single family residential 11,902 13,366 Other commercial 10,686 22,045 Total real estate 24,538 43,372 Commercial: Commercial 2,607 2,806 Agricultural 184 198 Total commercial 2,791 3,004 Total $ 27,632 $ 46,832
Past Due Financing Receivables [Table Text Block]	(In thousands) Gross 90 Days Total Current Total 90 Days June 30, 2017 Consumer: Other consumer $ 465 $ 89 $ 554 $ 37,082 $ 37,636 $ -- Total consumer 465 89 554 37,082 37,636 -- Real estate: Construction 148 1,442 1,590 58,141 59,731 -- Single family residential 2,005 4,553 6,558 367,661 374,219 48 Other commercial 1,991 5,009 7,000 627,892 634,892 -- Total real estate 4,144 11,004 15,148 1,053,694 1,068,842 48 Commercial: Commercial 1,549 801 2,350 113,707 116,057 -- Agricultural 67 -- 67 2,137 2,204 -- Total commercial 1,616 801 2,417 115,844 118,261 -- Total $ 6,225 $ 11,894 $ 18,119 $ 1,206,620 $ 1,224,739 $ 48 December 31, 2016 Consumer: Other consumer $ 571 $ 189 $ 760 $ 48,917 $ 49,677 $ -- Total consumer 571 189 760 48,917 49,677 -- Real estate: Construction 132 7,332 7,464 50,123 57,587 -- Single family residential 8,358 4,857 13,215 409,961 423,176 11 Other commercial 2,836 10,741 13,577 676,531 690,108 -- Total real estate 11,326 22,930 34,256 1,136,615 1,170,871 11 Commercial: Commercial 723 2,153 2,876 78,961 81,837 -- Agricultural 48 -- 48 3,250 3,298 -- Total commercial 771 2,153 2,924 82,211 85,135 -- Total $ 12,668 $ 25,272 $ 37,940 $ 1,267,743 $ 1,305,683 $ 11
Financing Receivable Credit Quality Indicators [Table Text Block]	(In thousands) Risk Rate Risk Rate Risk Rate Risk Rate Risk Rate Total June 30, 2017 Consumer: Other consumer $ 36,934 $ 18 $ 684 $ -- $ -- $ 37,636 Total consumer 36,934 18 684 -- -- 37,636 Real estate: Construction 57,016 67 2,648 -- -- 59,731 Single family residential 355,328 1,647 15,758 1,486 -- 374,219 Other commercial 595,029 24,328 15,535 -- -- 634,892 Total real estate 1,007,373 26,042 33,941 1,486 -- 1,068,842 Commercial: Commercial 103,777 6,900 5,373 -- 7 116,057 Agricultural 2,020 -- 184 -- -- 2,204 Total commercial 105,797 6,900 5,557 -- 7 118,261 Total $ 1,150,104 $ 32,960 $ 40,182 $ 1,486 $ 7 $ 1,224,739 December 31, 2016 Consumer: Other consumer $ 48,992 $ 14 $ 671 $ -- $ -- $ 49,677 Total consumer 48,992 14 671 -- -- 49,677 Real estate: Construction 50,704 88 6,795 -- -- 57,587 Single family residential 400,553 2,696 18,392 1,535 -- 423,176 Other commercial 641,018 17,384 31,706 -- -- 690,108 Total real estate 1,092,275 20,168 56,893 1,535 -- 1,170,871 Commercial: Commercial 73,609 1,965 6,257 6 -- 81,837 Agricultural 3,010 34 254 -- -- 3,298 Total commercial 76,619 1,999 6,511 6 -- 85,135 Total $ 1,217,886 $ 22,181 $ 64,075 $ 1,541 $ -- $ 1,305,683

Note 6 - Goodwill and Other I35

Note 6 - Goodwill and Other Intangible Assets (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Intangible Assets and Goodwill [Table Text Block]	(In thousands) June 30, December 31, Goodwill $ 379,437 $ 348,505 Core deposit premiums: Gross carrying amount 56,532 48,692 Accumulated amortization (12,956 ) (10,625 ) Core deposit premiums, net 43,576 38,067 Purchased credit card relationships: Gross carrying amount 2,068 2,068 Accumulated amortization (1,551 ) (1,344 ) Purchased credit card relationships, net 517 724 Books of business intangible: Gross carrying amount 16,714 15,884 Accumulated amortization (2,279 ) (1,716 ) Books of business intangible, net 14,435 14,168 Other intangible assets, net 58,528 52,959 Total goodwill and other intangible assets $ 437,965 $ 401,464
Core Deposit Premium [Member]
Notes Tables
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	(In thousands) Year Amortization Remainder of 2017 $ 3,452 2018 6,705 2019 6,395 2020 6,382 2021 6,320 Thereafter 29,274 Total $ 58,528

Note 8 - Income Taxes (Tables)

Note 8 - Income Taxes (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]	(In thousands) June 30, June 30, Income taxes currently payable $ 18,521 $ 22,812 Deferred income taxes 2,230 615 Provision for income taxes $ 20,751 $ 23,427
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]	June 30, December 31, (In thousands) 2017 2016 Deferred tax assets: Loans acquired $ 7,066 $ 7,986 Allowance for loan losses 16,536 14,754 Valuation of foreclosed assets 4,030 3,958 Tax NOLs from acquisition 12,806 13,077 Deferred compensation payable 2,905 2,785 Vacation compensation 1,879 1,740 Accrued equity and other compensation 4,879 6,367 Acquired securities 1,224 1,098 Other accrued liabilities 2,053 1,834 Unrealized loss on available-for-sale securities 7,037 9,559 Other 5,794 5,267 Gross deferred tax assets 66,209 68,425 Deferred tax liabilities: Goodwill and other intangible amortization (32,321 ) (29,601 ) Accumulated depreciation (6,520 ) (5,370 ) Other (6,056 ) (5,877 ) Gross deferred tax liabilities (44,897 ) (40,848 ) Net deferred tax asset, included in other assets $ 21,312 $ 27,577
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]	(In thousands) June 30, June 30, Computed at the statutory rate (35%) $ 23,078 $ 24,444 Increase (decrease) in taxes resulting from: State income taxes, net of federal tax benefit 775 1,369 Discrete items related to ASU 2016-09 (1,377 ) -- Tax exempt interest income (2,205 ) (2,048 ) Tax exempt earnings on BOLI (438 ) (519 ) Merger related expenses 372 -- Federal tax credits (793 ) (53 ) Other differences, net 1,339 234 Actual tax provision $ 20,751 $ 23,427

Note 9 - Securities Sold Unde37

Note 9 - Securities Sold Under Agreements to Repurchase (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Repurchase Agreements [Table Text Block]	Remaining Contractual Maturity of the Agreements (In thousands) Overnight and Continuous Up to 30 Days 30-90 Days Greater than 90 Total June 30, 2017 Repurchase agreements: U.S. Government agencies $ 120,919 $ -- $ -- $ -- $ 120,919 December 31, 2016 Repurchase agreements: U.S. Government agencies $ 101,647 $ -- $ -- $ 757 $ 102,404

Note 10 - Other Borrowings an38

Note 10 - Other Borrowings and Subordinated Debentures (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Debt [Table Text Block]	(In thousands) June 30, December 31, Other Borrowings FHLB advances, net of discount, due 2017 to 2033, 0.95% to 7.37% secured by residential real estate loans $ 429,287 $ 225,230 Notes payable, due 10/15/2020, 3.85%, fixed rate, unsecured 45,675 47,929 Total other borrowings 474,962 273,159 Subordinated Debentures Trust preferred securities, due 12/30/2033, floating rate of 2.80% above the three month LIBOR rate, reset quarterly, callable without penalty 20,620 20,620 Trust preferred securities, net of discount, due 6/30/2035, floating rate of 1.75% above the three month LIBOR rate, reset quarterly, callable without penalty 9,276 9,225 Trust preferred securities, net of discount, due 9/15/2037, floating rate of 1.37% above the three month LIBOR rate, reset quarterly 10,207 10,130 Trust preferred securities, net of discount, due 12/3/2033, floating rate of 2.88% above the three month LIBOR rate, reset quarterly, callable without penalty 5,159 5,161 Trust preferred securities, net of discount, due 12/13/2034, floating rate of 2.00% above the three month LIBOR rate, reset quarterly, callable without penalty 5,127 5,105 Trust preferred securities, net of discount, due 6/6/2037, floating rate of 1.57% above the three month LIBOR rate, reset quarterly, callable without penalty 10,221 10,156 Trust preferred securities, net of discount, due 12/15/2035, floating rate of 1.45% above the three month LIBOR rate, reset quarterly, callable without penalty 6,702 -- Total subordinated debentures 67,312 60,397 Total other borrowings and subordinated debentures $ 542,274 $ 333,556
Schedule of Maturities of Long-term Debt [Table Text Block]	(In thousands) Year Annual 2017 $ 3,713 2018 23,941 2019 7,665 2020 36,424 2021 2,333 Thereafter 76,148 Total $ 150,224

Note 14 - Stock Based Compens39

Note 14 - Stock Based Compensation (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Share-based Compensation, Stock Options, Activity [Table Text Block]	Stock Options Stock Awards Stock Units Number Weighted Number Weighted Number Weighted Balance, January 1, 2017 473 42.85 139 40.96 113 45.40 Granted -- -- -- -- 174 58.51 Stock Options Exercised (38 ) 32.64 -- -- -- -- Stock Awards/Units Vested -- -- (26 ) 34.27 (121 ) 52.69 Forfeited/Expired (3 ) 44.67 (11 ) 43.69 (9 ) 51.62 Balance, June 30, 2017 432 $ 43.73 102 $ 42.41 157 $ 54.05 Exercisable, June 30, 2017 323 $ 43.16
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]	Options Outstanding Options Exercisable Range of Number Weighted Weighted Number Weighted $17.55 - $21.13 4,550 2.83 $ 19.29 4,150 $ 19.32 21.29 - 21.29 4,400 5.62 21.29 2,900 21.29 21.51 - 21.51 1,500 2.55 21.51 1,500 21.51 30.31 - 30.31 22,180 0.88 30.31 22,180 30.31 40.57 - 40.57 40,490 7.50 40.57 40,490 40.57 40.72 - 40.72 1,500 7.38 40.72 600 40.72 44.40 - 44.40 49,870 7.73 44.40 37,144 44.40 45.50 - 45.50 246,485 8.11 45.50 190,907 45.50 47.02 - 47.02 58,090 8.25 47.02 20,838 47.02 48.13 - 48.13 3,305 8.21 48.13 2,645 48.13 $17.55 - $48.13 432,370 7.56 $ 43.73 323,354 $ 43.16
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	Six Months Ended Expected dividend yield 1.96 % Expected stock price volatility 27.34 % Risk-free interest rate 2.01 % Expected life of options (years) 7

Note 15 - Additional Cash Flo40

Note 15 - Additional Cash Flow Information (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]	Six Months Ended (In thousands) 2017 2016 Interest paid $ 13,203 $ 10,817 Income taxes paid 10,067 21,610 Transfers of loans to foreclosed assets held for sale 2,667 2,970 Transfers of premises and equipment to premises held for sale -- 6,167 Transfers of premises held for sale to foreclosed assets held for sale 3,188 923

Note 16 - Other Operating Exp41

Note 16 - Other Operating Expenses (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Schedule of Other Operating Cost and Expense, by Component [Table Text Block]	Three Months Ended Six Months Ended (In thousands) 2017 2016 2017 2016 Professional services $ 3,962 $ 2,911 $ 9,131 $ 6,404 Postage 1,204 1,074 2,335 2,309 Telephone 982 1,041 2,060 2,100 Credit card expense 3,107 2,542 5,944 5,372 Marketing 1,687 2,149 3,033 3,122 Operating supplies 459 458 814 817 Amortization of intangibles 1,554 1,451 3,104 2,908 Branch right sizing expense 99 3,219 217 3,233 Other expense 6,831 4,687 13,134 9,662 Total other operating expenses $ 19,885 $ 19,532 $ 39,772 $ 35,927

Note 20 - Fair Value Measurem42

Note 20 - Fair Value Measurements (Tables)	6 Months Ended
	Jun. 30, 2017
Notes Tables
Fair Value, Assets Measured on Recurring Basis [Table Text Block]	Fair Value Measurements Using (In thousands) Fair Value Quoted Prices in Significant Other Significant June 30, 2017 ASSETS Available-for-sale securities U.S. Treasury $ 19,997 $ 19,997 $ -- $ -- U.S. Government agencies 147,619 -- 147,619 -- Mortgage-backed securities 878,205 -- 878,205 -- State and political subdivisions 83,672 -- 83,672 -- Other securities 61,107 -- 61,107 -- Assets held in trading accounts 50 -- 50 -- December 31, 2016 ASSETS Available-for-sale securities U.S. Treasury $ 300 $ 300 $ -- $ -- U.S. Government agencies 137,771 -- 137,771 -- Mortgage-backed securities 868,324 -- 868,324 -- States and political subdivisions 102,943 -- 102,943 -- Other securities 48,016 -- 48,016 -- Assets held in trading accounts 41 -- 41 --
Fair Value Measurements, Nonrecurring [Table Text Block]	Fair Value Measurements Using (In thousands) Fair Value Quoted Prices in Significant Other Significant June 30, 2017 ASSETS Impaired loans (1) (2) $ 11,079 $ -- $ -- $ 11,079 Foreclosed assets held for sale (1) 6,984 -- -- 6,984 December 31, 2016 ASSETS Impaired loans (1) (2) $ 17,154 $ -- $ -- $ 17,154 Foreclosed assets held for sale (1) 17,806 -- -- 17,806
Fair Value, by Balance Sheet Grouping [Table Text Block]	Carrying Fair Value Measurements (In thousands) Amount Level 1 Level 2 Level 3 Total June 30, 2017 Financial assets: Cash and cash equivalents $ 329,614 $ 329,614 $ -- $ -- $ 344,647 Interest bearing balances due from banks - time 6,057 -- 6,057 -- 6,057 Held-to-maturity securities 419,003 -- 425,263 -- 425,263 Mortgage loans held for sale 16,266 -- -- 16,266 16,266 Interest receivable 27,337 -- 27,337 -- 27,337 Legacy loans (net of allowance) 4,959,193 -- -- 4,941,097 4,941,097 Loans acquired (net of allowance) 1,224,739 -- -- 1,220,270 1,220,270 Financial liabilities: Non-interest bearing transaction accounts 1,650,986 -- 1,650,986 -- 1,650,986 Interest bearing transaction accounts and savings deposits 4,141,426 -- 4,141,426 -- 4,141,426 Time deposits 1,311,123 -- -- 1,301,715 1,301,715 Federal funds purchased and securities sold under agreements to repurchase 121,419 -- 121,419 -- 121,419 Other borrowings 474,962 -- 479,740 -- 479,740 Subordinated debentures 67,312 -- 62,012 -- 62,012 Interest payable 1,706 -- 1,706 -- 1,706 December 31, 2016 Financial assets: Cash and cash equivalents $ 285,659 $ 285,659 $ -- $ -- $ 285,659 Interest bearing balances due from banks - time 4,563 -- 4,563 -- 4,563 Held-to-maturity securities 462,096 -- 465,960 -- 465,960 Mortgage loans held for sale 27,788 -- -- 27,788 27,788 Interest receivable 27,788 -- 27,788 -- 27,788 Legacy loans (net of allowance) 4,290,921 -- -- 4,305,165 4,305,165 Loans acquired (net of allowance) 1,305,683 -- -- 1,310,017 1,310,017 Financial liabilities: Non-interest bearing transaction accounts 1,491,676 -- 1,491,676 -- 1,491,676 Interest bearing transaction accounts and savings deposits 3,956,483 -- 3,956,483 -- 3,956,483 Time deposits 1,287,060 -- -- 1,278,339 1,278,339 Federal funds purchased and securities sold under agreements to repurchase 115,029 -- 115,029 -- 115,029 Other borrowings 273,159 -- 292,367 -- 292,367 Subordinated debentures 60,397 -- 55,318 -- 55,318 Interest payable 1,668 -- 1,668 -- 1,668

Note 1 - Basis of Presentatio43

Note 1 - Basis of Presentation (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Tax Expense (Benefit)	$ 11,060	$ 11,809	$ 20,751	$ 23,427
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	258,255	0	65,005
Accounting Standards Update 2016-09 [Member]
Income Tax Expense (Benefit)	$ 300		$ 1,500

Note 1 - Basis of Presentatio44

Note 1 - Basis of Presentation - Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net income available to common shareholders		$ 23,065	$ 22,909	$ 45,185	$ 46,390
Average common shares outstanding (in shares)		31,817	30,353	31,585	30,340
Average potential dilutive common shares (in shares)		209	99	209	99
Average diluted common shares (in shares)		32,026	30,452	31,794	30,439
Basic earnings per share (in dollars per share)		$ 0.72	$ 0.75	$ 1.43	$ 1.53
Diluted earnings per share (1) (in dollars per share)	[1]	$ 0.72	$ 0.75	$ 1.42	$ 1.52
[1]	Stock options to purchase 258,255 and 65,005 shares for the three and six months ended June 30, 2016 were not included in the diluted EPS calculation because the exercise price of those options exceeded the average market price. There were no stock options excluded from the earnings per share calculation due to the related exercise price exceeding the average market price for the three and six months ended June 30, 2017.

Note 2 - Acquisitions (Details

Note 2 - Acquisitions (Details Textual) $ in Thousands	May 15, 2017USD ($)shares	Jan. 23, 2017USD ($)	Dec. 14, 2016USD ($)	Sep. 09, 2016USD ($)shares	Dec. 31, 2016USD ($)	Jun. 30, 2017USD ($)
Assets					$ 8,400,056	$ 9,068,308
Loans and Leases Receivable, Net Amount					5,596,604	6,183,932
Deposits					6,735,219	7,103,535
Goodwill					348,505	$ 379,437
Southwest Bancorp, Inc. [Member]
Assets					2,500,000
Loans and Leases Receivable, Net Amount					1,900,000
Deposits					$ 1,900,000
Number of Bank Branches					31
First Texas BHC, Inc. [Member]
Assets					$ 2,100,000
Loans and Leases Receivable, Net Amount					1,800,000
Deposits					$ 1,700,000
Number of Bank Branches					16
Hardeman County Investment Company, Inc. [Member]
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	$ 42,600
Payments to Acquire Businesses, Gross	30,000
Business Combination, Consideration Transferred	$ 72,639
Number of Bank Branches	10
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	$ 462,893
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans	251,649
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Total Deposits	388,976
Goodwill	$ 29,402			$ 23,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares	799,970
Citizens National Bank [Member]
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned				41,300
Payments to Acquire Businesses, Gross				35,000
Business Combination, Consideration Transferred				$ 76,300
Number of Bank Branches				9
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets				$ 585,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans				340,850
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans Acquired Not Covered by FDIC Loss Share				340,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Total Deposits				509,857
Goodwill				$ 23,025
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares				835,741
Pending Acquisition, Southwest Bancorp, Inc. [Member]
Business Combination, Consideration Transferred			$ 564,400
Pending Acquisition, First Texas BHC, Inc. [Member]
Business Combination, Consideration Transferred		$ 462,000

Note 2 - Acquisitions - Assets

Note 2 - Acquisitions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	May 15, 2017	Sep. 09, 2016	Jun. 30, 2017	Dec. 31, 2016
Goodwill			$ 379,437	$ 348,505
Hardeman County Investment Company, Inc. [Member]
Foreclosed assets	$ 631
Premises and equipment	11,163
Bank owned life insurance	7,819
Other assets	2,638
Total assets acquired	462,893
Non-interest bearing transaction accounts	76,555
Interest bearing transaction accounts and savings deposits	214,872
Time deposits	97,549
Total deposits	388,976
Securities sold under agreement to repurchase	17,163
Other borrowings	3,000
Subordinated debentures	6,702
Accrued interest and other liabilities	3,815
Total liabilities assumed	419,656
Equity
Total liabilities and equity assumed	419,656
Net assets acquired	43,237
Purchase price	72,639
Goodwill	29,402	$ 23,000
Cash and due from banks	8,001
Interest bearing balances due from banks - time	1,984
Investment securities	170,338
Loans acquired	251,649
Allowance for loan losses
Hardeman County Investment Company, Inc. [Member] | Core Deposit Premium [Member]
Intangibles	7,840
Hardeman County Investment Company, Inc. [Member] | Other Intangible Assets [Member]
Intangibles	830
Hardeman County Investment Company, Inc. [Member] | Cost Acquired [Member]
Foreclosed assets	1,083
Premises and equipment	9,905
Bank owned life insurance	7,819
Other assets	2,639
Total assets acquired	468,829
Non-interest bearing transaction accounts	76,555
Interest bearing transaction accounts and savings deposits	214,872
Time deposits	97,917
Total deposits	389,344
Securities sold under agreement to repurchase	17,163
Other borrowings	3,000
Subordinated debentures	6,702
Accrued interest and other liabilities	1,891
Total liabilities assumed	418,100
Equity	50,729
Total liabilities and equity assumed	468,829
Goodwill	11,485
Cash and due from banks	8,001
Interest bearing balances due from banks - time	1,984
Investment securities	170,654
Loans acquired	257,641
Allowance for loan losses	(2,382)
Hardeman County Investment Company, Inc. [Member] | Cost Acquired [Member] | Core Deposit Premium [Member]
Intangibles
Hardeman County Investment Company, Inc. [Member] | Cost Acquired [Member] | Other Intangible Assets [Member]
Intangibles
Hardeman County Investment Company, Inc. [Member] | Fair Value Adjustments [Member]
Foreclosed assets	(452)
Premises and equipment	1,258
Bank owned life insurance
Other assets	(1)
Total assets acquired	(5,936)
Non-interest bearing transaction accounts
Interest bearing transaction accounts and savings deposits
Time deposits	(368)
Total deposits	(368)
Securities sold under agreement to repurchase
Other borrowings
Subordinated debentures
Accrued interest and other liabilities	1,924
Total liabilities assumed	1,556
Equity	(50,729)
Total liabilities and equity assumed	(49,173)
Goodwill	(11,485)
Cash and due from banks
Interest bearing balances due from banks - time
Investment securities	(316)
Loans acquired	(5,992)
Allowance for loan losses	2,382
Hardeman County Investment Company, Inc. [Member] | Fair Value Adjustments [Member] | Core Deposit Premium [Member]
Intangibles	7,840
Hardeman County Investment Company, Inc. [Member] | Fair Value Adjustments [Member] | Other Intangible Assets [Member]
Intangibles	$ 830
Citizens National Bank [Member]
Foreclosed assets		3,442
Premises and equipment		8,085
Bank owned life insurance		6,632
Other assets		17,370
Total assets acquired		585,500
Non-interest bearing transaction accounts		109,281
Interest bearing transaction accounts and savings deposits		204,912
Time deposits		195,664
Total deposits		509,857
Securities sold under agreement to repurchase		13,233
FHLB borrowings		4,047
Accrued interest and other liabilities		5,088
Total liabilities assumed		532,225
Equity
Total liabilities and equity assumed		532,225
Net assets acquired		53,275
Purchase price		76,300
Goodwill		23,025
Cash and due from banks		131,467
Federal funds sold		10,000
Investment securities		61,988
Loans acquired		340,850
Allowance for loan losses
Citizens National Bank [Member] | Core Deposit Premium [Member]
Intangibles		5,075
Citizens National Bank [Member] | Other Intangible Assets [Member]
Intangibles		591
Citizens National Bank [Member] | Cost Acquired [Member]
Foreclosed assets		4,960
Premises and equipment		6,746
Bank owned life insurance		6,632
Other assets		17,364
Total assets acquired		585,204
Non-interest bearing transaction accounts		109,281
Interest bearing transaction accounts and savings deposits		204,912
Time deposits		195,664
Total deposits		509,857
Securities sold under agreement to repurchase		13,233
FHLB borrowings		4,000
Accrued interest and other liabilities		3,558
Total liabilities assumed		530,648
Equity		54,556
Total liabilities and equity assumed		585,204
Cash and due from banks		131,467
Federal funds sold		10,000
Investment securities		61,987
Loans acquired		350,361
Allowance for loan losses		(4,313)
Citizens National Bank [Member] | Cost Acquired [Member] | Core Deposit Premium [Member]
Intangibles
Citizens National Bank [Member] | Cost Acquired [Member] | Other Intangible Assets [Member]
Intangibles
Citizens National Bank [Member] | Fair Value Adjustments [Member]
Foreclosed assets		(1,518)
Premises and equipment		1,339
Bank owned life insurance
Other assets		6
Total assets acquired		296
Non-interest bearing transaction accounts
Interest bearing transaction accounts and savings deposits
Time deposits
Total deposits
Securities sold under agreement to repurchase
FHLB borrowings		47
Accrued interest and other liabilities		1,530
Total liabilities assumed		1,577
Equity		(54,556)
Total liabilities and equity assumed		(52,979)
Cash and due from banks
Federal funds sold
Investment securities		1
Loans acquired		(9,511)
Allowance for loan losses		4,313
Citizens National Bank [Member] | Fair Value Adjustments [Member] | Core Deposit Premium [Member]
Intangibles		5,075
Citizens National Bank [Member] | Fair Value Adjustments [Member] | Other Intangible Assets [Member]
Intangibles		$ 591

Note 3 - Investment Securitie47

Note 3 - Investment Securities (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Securities Continuous Unrealized Loss Position, Fair Value			$ 1,100,000,000
Securities Continuous Unrealized Loss Position Fair Value Percent of Portfolio			69.60%
Available-for-sale Securities, Gross Realized Losses	$ 5,000	$ 0	$ 5,000	$ 0
Available-for-sale Securities Pledged as Collateral	1,000,000,000		1,000,000,000		$ 915,200,000
Available-for-sale Securities, Gross Realized Gains	$ 2,200,000	$ 3,800,000	$ 2,300,000	$ 4,100,000

Note 3 - Investment Securitie48

Note 3 - Investment Securities - Summary of Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Amortized Cost	$ 419,003	$ 462,096
Gross Unrealized Gains	6,741	5,137
Gross Unrealized Losses	(481)	(1,273)
Estimated Fair Value	425,263	465,960
Gross Unrealized Losses	(19,236)	(25,409)
Estimated Fair Value	1,190,600	1,157,354
Amortized Cost	1,208,277	1,181,484
Gross Unrealized Gains	1,559	1,279
US Government Agencies Debt Securities [Member]
Amortized Cost	67,912	76,875
Gross Unrealized Gains	52	107
Gross Unrealized Losses	(178)	(182)
Estimated Fair Value	67,786	76,800
Gross Unrealized Losses	(1,890)	(2,301)
Estimated Fair Value	147,619	137,771
Amortized Cost	149,296	140,005
Gross Unrealized Gains	213	67
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Amortized Cost	17,882	19,773
Gross Unrealized Gains	66	63
Gross Unrealized Losses	(198)	(249)
Estimated Fair Value	17,750	19,587
Gross Unrealized Losses	(13,970)	(17,637)
Estimated Fair Value	878,205	868,324
Amortized Cost	892,080	885,783
Gross Unrealized Gains	95	178
US States and Political Subdivisions Debt Securities [Member]
Amortized Cost	331,249	362,532
Gross Unrealized Gains	6,623	4,967
Gross Unrealized Losses	(105)	(842)
Estimated Fair Value	337,767	366,657
Gross Unrealized Losses	(3,376)	(5,469)
Estimated Fair Value	83,672	102,943
Amortized Cost	86,915	108,374
Gross Unrealized Gains	133	38
Other Securities [Member]
Amortized Cost	1,960	2,916
Gross Unrealized Gains
Gross Unrealized Losses
Estimated Fair Value	1,960	2,916
Gross Unrealized Losses		(2)
Estimated Fair Value	61,107	48,016
Amortized Cost	59,990	47,022
Gross Unrealized Gains	1,117	996
US Treasury Securities [Member]
Gross Unrealized Losses
Estimated Fair Value	19,997	300
Amortized Cost	19,996	300
Gross Unrealized Gains	$ 1

Note 3 - Investment Securitie49

Note 3 - Investment Securities - Securities With Unrealized Losses (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2017USD ($)
Held-to-maturity, 12 months or more, estimated fair value	$ 39,399
Held-to-maturity, 12 months or more, gross unrealized losses	(164)
Held-to-maturity, total, estimated fair value	83,312
Held-to-maturity, total, gross unrealized losses	(481)
Held-to-maturity, less than 12 months, estimated fair value	43,913
Held-to-maturity, less than 12 months, gross unrealized losses	(317)
Available-for-sale, total, estimated fair value	1,037,358
Available-for-sale, total, gross unrealized losses	(19,236)
Available-for-sale, less than 12 months, estimated fair value	954,659
Available-for-sale, less than 12 months, gross unrealized losses	(16,801)
Available-for-sale, 12 months or more, estimated fair value	82,699
Available-for-sale, 12 months or more, gross unrealized losses	(2,435)
US Government Agencies Debt Securities [Member]
Held-to-maturity, 12 months or more, estimated fair value	37,883
Held-to-maturity, 12 months or more, gross unrealized losses	(116)
Held-to-maturity, total, estimated fair value	52,821
Held-to-maturity, total, gross unrealized losses	(178)
Held-to-maturity, less than 12 months, estimated fair value	14,938
Held-to-maturity, less than 12 months, gross unrealized losses	(62)
Available-for-sale, total, estimated fair value	128,372
Available-for-sale, total, gross unrealized losses	(1,890)
Available-for-sale, less than 12 months, estimated fair value	111,504
Available-for-sale, less than 12 months, gross unrealized losses	(1,761)
Available-for-sale, 12 months or more, estimated fair value	16,868
Available-for-sale, 12 months or more, gross unrealized losses	(129)
Collateralized Mortgage Backed Securities [Member]
Held-to-maturity, 12 months or more, estimated fair value	1,291
Held-to-maturity, 12 months or more, gross unrealized losses	(47)
Held-to-maturity, total, estimated fair value	11,327
Held-to-maturity, total, gross unrealized losses	(198)
Held-to-maturity, less than 12 months, estimated fair value	10,036
Held-to-maturity, less than 12 months, gross unrealized losses	(151)
Available-for-sale, total, estimated fair value	831,419
Available-for-sale, total, gross unrealized losses	(13,970)
Available-for-sale, less than 12 months, estimated fair value	785,746
Available-for-sale, less than 12 months, gross unrealized losses	(12,903)
Available-for-sale, 12 months or more, estimated fair value	45,673
Available-for-sale, 12 months or more, gross unrealized losses	(1,067)
US States and Political Subdivisions Debt Securities [Member]
Held-to-maturity, 12 months or more, estimated fair value	225
Held-to-maturity, 12 months or more, gross unrealized losses	(1)
Held-to-maturity, total, estimated fair value	19,164
Held-to-maturity, total, gross unrealized losses	(105)
Held-to-maturity, less than 12 months, estimated fair value	18,939
Held-to-maturity, less than 12 months, gross unrealized losses	(104)
Available-for-sale, total, estimated fair value	77,467
Available-for-sale, total, gross unrealized losses	(3,376)
Available-for-sale, less than 12 months, estimated fair value	57,309
Available-for-sale, less than 12 months, gross unrealized losses	(2,137)
Available-for-sale, 12 months or more, estimated fair value	20,158
Available-for-sale, 12 months or more, gross unrealized losses	(1,239)
Other Securities [Member]
Available-for-sale, total, estimated fair value	100
Available-for-sale, total, gross unrealized losses
Available-for-sale, less than 12 months, estimated fair value	100
Available-for-sale, less than 12 months, gross unrealized losses
Available-for-sale, 12 months or more, estimated fair value
Available-for-sale, 12 months or more, gross unrealized losses

Note 3 - Investment Securitie50

Note 3 - Investment Securities - Income Earned on Securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Total	$ 9,990	$ 8,499	$ 19,441	$ 17,005
Held-to-maturity Securities [Member]
Taxable	636	1,446	1,297	2,323
Non-taxable	2,217	2,399	4,500	5,545
Available-for-sale Securities [Member]
Taxable	6,238	4,492	12,054	8,926
Non-taxable	$ 899	$ 162	$ 1,590	$ 211

Note 3 - Investment Securitie51

Note 3 - Investment Securities - Maturities of Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Held-to-maturity, amortized cost, one year or less	$ 50,648
Held-to-maturity, fair value, one year or less	50,636
Available-for-sale, amortized cost, one year or less	21,212
Available-for-sale, fair value, one year or less	21,213
Held-to-maturity, amortized cost, after one through five years	108,555
Held-to-maturity, fair value, after one through five years	109,055
Available-for-sale, amortized cost, after one through five years	100,683
Available-for-sale, fair value, after one through five years	99,792
Held-to-maturity, amortized cost, after five through ten years	100,222
Held-to-maturity, fair value, after five through ten years	101,798
Available-for-sale, amortized cost, after five through ten years	8,941
Available-for-sale, fair value, after five through ten years	8,712
Held-to-maturity, amortized cost, after ten years	141,696
Held-to-maturity, fair value, after ten years	146,024
Available-for-sale, amortized cost, after ten years	126,471
Available-for-sale, fair value, after ten years	122,671
Held-to-maturity, amortized cost, securities not due on a single maturity date	17,882
Held-to-maturity, fair value, securities not due on a single maturity date	17,750
Available-for-sale, amortized cost, securities not due on a single maturity date	892,080
Available-for-sale, fair value, securities not due on a single maturity date	878,205
Available-for-sale, amortized cost, other securities (no maturity)	58,890
Available-for-sale, fair value, other securities (no maturity)	60,007
Held-to-maturity, amortized cost, total	419,003	$ 462,096
Held-to-maturity, fair value, total	425,263	465,960
Available-for-sale, amortized cost, total	1,208,277	1,181,484
Available-for-sale, fair value, total	$ 1,190,600	$ 1,157,354

Note 4 - Loans and Allowance 52

Note 4 - Loans and Allowance for Loan Losses (Details Textual)	3 Months Ended		6 Months Ended
	Jun. 30, 2017USD ($)	Jun. 30, 2016USD ($)	Jun. 30, 2017USD ($)	Jun. 30, 2016USD ($)	Mar. 31, 2017USD ($)	Dec. 31, 2016USD ($)	Mar. 31, 2016USD ($)	Dec. 31, 2015USD ($)
Loans and Leases Receivable, Gross	$ 6,225,000,000		$ 6,225,000,000			$ 5,633,000,000
Impaired Financing Receivable, Recorded Investment	57,126,000		57,126,000			43,696,000
Impaired Financing Receivable, Related Allowance	5,524,000		5,524,000			680,000
Impaired Financing Receivable, Interest Income, Accrual Method	376,000	$ 449,000	700,000	$ 800,000
Impaired Financing Receivable, Average Recorded Investment	57,256,000	38,777,000	52,736,000	31,914,000
Financing Receivable, Specific Reserve	0		33,000	$ 324,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts				0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 41,000	$ 1,395,000	$ 8,629,000	$ 10,361,000
Financing Receivable, Modifications, Number of Contracts	4	18	12	46
Mortgage Loans in Process of Foreclosure, Amount	$ 1,321,000		$ 1,321,000			1,714,000
Real Estate Acquired Through Foreclosure	26,012,000		26,012,000			26,895,000
Loans and Leases Receivable Classified	33,200,000		33,200,000			47,800,000
Loans and Leases Receivable, Allowance	41,379,000		41,379,000			36,286,000
Provision for Loan and Lease Losses	7,023,000	$ 4,616,000	11,330,000	$ 7,439,000
Risk Ratings 6,7, and 8 [Member]
Loans and Leases Receivable Classified	156,100,000		156,100,000			166,000,000
Substandard [Member]
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Carrying Amount, Net	8,400,000		8,400,000			17,800,000
OREO Secured by Residential Real Estate Properties [Member]
Real Estate Acquired Through Foreclosure	2,648,000		2,648,000			5,094,000
Acquired Loans [Member]
Loans and Leases Receivable, Gross	1,224,739,000		1,224,739,000			1,305,683,000
Provision for Loan and Lease Losses	714,000	307,000	1,464,000	307,000
Allowance for Loan and Lease Losses, Write-offs	758,000		2,000,000	307,000
Loans and Leases Receivable, Allowance, Covered	391,000	954,000	391,000	954,000	$ 435,000	954,000	$ 954,000
Loans, Including Acquired Loans [Member]
Loans and Leases Receivable, Allowance	41,770,000	34,477,000	41,770,000	34,477,000	$ 38,300,000	37,240,000	$ 33,635,000	$ 32,305,000
OREO Received in Full or Partial Satisfaction of Loans [Member] | Commercial Real Estate and Residential Real Estate [Member]
Financing Receivable, Modifications, Pre-Modification Recorded Investment			117,000	166,500
Commercial Real Estate Portfolio Segment [Member]
Loans and Leases Receivable, Gross	3,562,015,000		3,562,015,000			3,028,079,000
Impaired Financing Receivable, Recorded Investment	35,851,000		35,851,000			30,001,000
Impaired Financing Receivable, Related Allowance	1,888,000		1,888,000			417,000
Impaired Financing Receivable, Interest Income, Accrual Method	249,000	391,000	464,000	693,000
Impaired Financing Receivable, Average Recorded Investment	37,987,000	34,097,000	$ 35,325,000	27,737,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts			1
Financing Receivable, Modifications, Pre-Modification Recorded Investment		$ 966,000	$ 7,818,000	$ 9,758,000
Financing Receivable, Modifications, Number of Contracts		8	3	34
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member]
Loans and Leases Receivable, Gross	$ 1,068,842,000		$ 1,068,842,000			$ 1,170,871,000

Note 4 - Loans and Allowance 53

Note 4 - Loans and Allowance for Loan Losses - Loan Portfolio by Categories (Details) - USD ($)		Jun. 30, 2017	Dec. 31, 2016
Loans		$ 6,225,000,000	$ 5,633,000,000
Loans acquired, net of discount and allowance	[1]	1,224,739,000	1,305,683,000
Total loans		6,225,311,000	5,632,890,000
Loans, Excluding Acquired Loans [Member]
Loans		5,000,572,000	4,327,207,000
Consumer Portfolio Segment [Member]
Loans		543,089,000	488,563,000
Consumer Portfolio Segment [Member] | Loans, Excluding Acquired Loans [Member]
Loans		543,089,000	488,563,000
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member]
Loans		176,953,000	184,591,000
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Loans, Excluding Acquired Loans [Member]
Loans		176,953,000	184,591,000
Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans		366,136,000	303,972,000
Consumer Portfolio Segment [Member] | Other Loans [Member] | Loans, Excluding Acquired Loans [Member]
Loans		366,136,000	303,972,000
Commercial Real Estate Portfolio Segment [Member]
Loans		3,562,015,000	3,028,079,000
Commercial Real Estate Portfolio Segment [Member] | Loans, Excluding Acquired Loans [Member]
Loans		3,562,015,000	3,028,079,000
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans		457,896,000	336,759,000
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Loans, Excluding Acquired Loans [Member]
Loans		457,896,000	336,759,000
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Loans		1,014,412,000	904,245,000
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Loans, Excluding Acquired Loans [Member]
Loans		1,014,412,000	904,245,000
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member]
Loans		2,089,707,000	1,787,075,000
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Loans, Excluding Acquired Loans [Member]
Loans		2,089,707,000	1,787,075,000
Commercial Portfolio Segment [Member]
Loans		870,277,000	789,903,000
Commercial Portfolio Segment [Member] | Loans, Excluding Acquired Loans [Member]
Loans		870,277,000	789,903,000
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Loans		678,932,000	639,525,000
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Loans, Excluding Acquired Loans [Member]
Loans		678,932,000	639,525,000
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Loans		191,345,000	150,378,000
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Loans, Excluding Acquired Loans [Member]
Loans		191,345,000	150,378,000
Unallocated Financing Receivables [Member]
Loans		25,191,000	20,662,000
Unallocated Financing Receivables [Member] | Loans, Excluding Acquired Loans [Member]
Loans		$ 25,191,000	$ 20,662,000
[1]	See Note 5, Loans Acquired, for segregation of loans acquired by loan class.

Note 4 - Loans and Allowance 54

Note 4 - Loans and Allowance for Loan Losses - Nonaccrual Loans, Excluding Loans Acquired, Segregated by Class of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Loans in nonaccrual status	$ 57,126	$ 39,104
Consumer Portfolio Segment [Member]
Loans in nonaccrual status	3,040	2,166
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member]
Loans in nonaccrual status	293	373
Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans in nonaccrual status	2,747	1,793
Commercial Real Estate Portfolio Segment [Member]
Loans in nonaccrual status	35,851	27,935
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans in nonaccrual status	2,761	3,411
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Loans in nonaccrual status	12,722	12,139
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member]
Loans in nonaccrual status	20,368	12,385
Commercial Portfolio Segment [Member]
Loans in nonaccrual status	18,235	9,003
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Loans in nonaccrual status	16,169	7,765
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Loans in nonaccrual status	$ 2,066	$ 1,238

Note 4 - Loans and Allowance 55

Note 4 - Loans and Allowance for Loan Losses - Age Analysis of Past Due Loans, Excluding Loans Acquired, Segregated by Class of Loans (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Loans	$ 6,225,000,000	$ 5,633,000,000
Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing	281,000	300,000
Past Due	51,036,000	40,313,000
Current	4,949,536,000	4,286,894,000
Loans	5,000,572,000	4,327,207,000
Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	21,094,000	18,605,000
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	29,942,000	21,708,000
Consumer Portfolio Segment [Member]
Loans	543,089,000	488,563,000
Consumer Portfolio Segment [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing	281,000	286,000
Past Due	6,213,000	5,804,000
Current	536,876,000	482,759,000
Loans	543,089,000	488,563,000
Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	3,869,000	4,502,000
Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	2,344,000	1,302,000
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member]
Loans	176,953,000	184,591,000
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing	271,000	275,000
Past Due	1,133,000	991,000
Current	175,820,000	183,600,000
Loans	176,953,000	184,591,000
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	568,000	716,000
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	565,000	275,000
Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans	366,136,000	303,972,000
Consumer Portfolio Segment [Member] | Other Loans [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing	10,000	11,000
Past Due	5,080,000	4,813,000
Current	361,056,000	299,159,000
Loans	366,136,000	303,972,000
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	3,301,000	3,786,000
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	1,779,000	1,027,000
Commercial Real Estate Portfolio Segment [Member]
Loans	3,562,015,000	3,028,079,000
Commercial Real Estate Portfolio Segment [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing		14,000
Past Due	26,810,000	25,837,000
Current	3,535,205,000	3,002,242,000
Loans	3,562,015,000	3,028,079,000
Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	9,764,000	11,942,000
Commercial Real Estate Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	17,046,000	13,895,000
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans	457,896,000	336,759,000
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing
Past Due	2,698,000	2,666,000
Current	455,198,000	334,093,000
Loans	457,896,000	336,759,000
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	950,000	1,420,000
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	1,748,000	1,246,000
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Loans	1,014,412,000	904,245,000
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing		14,000
Past Due	11,185,000	12,237,000
Current	1,003,227,000	892,008,000
Loans	1,014,412,000	904,245,000
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	5,429,000	6,310,000
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	5,756,000	5,927,000
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member]
Loans	2,089,707,000	1,787,075,000
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing
Past Due	12,927,000	10,934,000
Current	2,076,780,000	1,776,141,000
Loans	2,089,707,000	1,787,075,000
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	3,385,000	4,212,000
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	9,542,000	6,722,000
Commercial Portfolio Segment [Member]
Loans	870,277,000	789,903,000
Commercial Portfolio Segment [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing
Past Due	18,013,000	8,672,000
Current	852,264,000	781,231,000
Loans	870,277,000	789,903,000
Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	7,461,000	2,161,000
Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	10,552,000	6,511,000
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Loans	678,932,000	639,525,000
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing
Past Due	15,951,000	7,336,000
Current	662,981,000	632,189,000
Loans	678,932,000	639,525,000
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	7,408,000	2,040,000
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	8,543,000	5,296,000
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Loans	191,345,000	150,378,000
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing
Past Due	2,062,000	1,336,000
Current	189,283,000	149,042,000
Loans	191,345,000	150,378,000
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	53,000	121,000
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due	2,009,000	1,215,000
Unallocated Financing Receivables [Member]
Loans	25,191,000	20,662,000
Unallocated Financing Receivables [Member] | Loans, Excluding Acquired Loans [Member]
90 Days Past Due & Accruing
Past Due
Current	25,191,000	20,662,000
Loans	25,191,000	20,662,000
Unallocated Financing Receivables [Member] | Financing Receivables, 30 to 89 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due
Unallocated Financing Receivables [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Loans, Excluding Acquired Loans [Member]
Past Due

Note 4 - Loans and Allowance 56

Note 4 - Loans and Allowance for Loan Losses - Impaired Loans, Net of Government Guarantees and Excluding Loans Acquired, Segregated by Class of Loans (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Recorded Investment With No Allowance	$ 30,863,000		$ 30,863,000		$ 24,678,000
Recorded Investment With Allowance	26,263,000		26,263,000		19,018,000
Impaired Financing Receivable, Recorded Investment	57,126,000		57,126,000		43,696,000
Impaired Financing Receivable, Related Allowance	5,524,000		5,524,000		680,000
Average Investment in Impaired Loans	57,256,000	$ 38,777,000	52,736,000	$ 31,914,000
Interest Income Recognized	376,000	449,000	700,000	800,000
Unpaid Contractual Principal Balance	63,276,000		63,276,000		54,521,000
Consumer Portfolio Segment [Member]
Recorded Investment With No Allowance	3,040,000		3,040,000		2,170,000
Recorded Investment With Allowance					3,000
Impaired Financing Receivable, Recorded Investment	3,040,000		3,040,000		2,173,000
Impaired Financing Receivable, Related Allowance					1,000
Average Investment in Impaired Loans	2,842,000	1,057,000	2,619,000	1,012,000
Interest Income Recognized	23,000	12,000	42,000	28,000
Unpaid Contractual Principal Balance	3,117,000		3,117,000		2,209,000
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member]
Recorded Investment With No Allowance	293,000		293,000		373,000
Recorded Investment With Allowance
Impaired Financing Receivable, Recorded Investment	293,000		293,000		373,000
Impaired Financing Receivable, Related Allowance
Average Investment in Impaired Loans	261,000	216,000	298,000	304,000
Interest Income Recognized	6,000		11,000	10,000
Unpaid Contractual Principal Balance	293,000		293,000		373,000
Consumer Portfolio Segment [Member] | Other Loans [Member]
Recorded Investment With No Allowance	2,747,000		2,747,000		1,797,000
Recorded Investment With Allowance					3,000
Impaired Financing Receivable, Recorded Investment	2,747,000		2,747,000		1,800,000
Impaired Financing Receivable, Related Allowance					1,000
Average Investment in Impaired Loans	2,581,000	841,000	2,321,000	708,000
Interest Income Recognized	17,000	12,000	31,000	18,000
Unpaid Contractual Principal Balance	2,824,000		2,824,000		1,836,000
Commercial Real Estate Portfolio Segment [Member]
Recorded Investment With No Allowance	21,083,000		21,083,000		18,559,000
Recorded Investment With Allowance	14,768,000		14,768,000		11,442,000
Impaired Financing Receivable, Recorded Investment	35,851,000		35,851,000		30,001,000
Impaired Financing Receivable, Related Allowance	1,888,000		1,888,000		417,000
Average Investment in Impaired Loans	37,987,000	34,097,000	35,325,000	27,737,000
Interest Income Recognized	249,000	391,000	464,000	693,000
Unpaid Contractual Principal Balance	39,294,000		39,294,000		38,238,000
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Recorded Investment With No Allowance	1,755,000		1,755,000		1,038,000
Recorded Investment With Allowance	1,006,000		1,006,000		2,374,000
Impaired Financing Receivable, Recorded Investment	2,761,000		2,761,000		3,412,000
Impaired Financing Receivable, Related Allowance	156,000		156,000		156,000
Average Investment in Impaired Loans	2,748,000	5,089,000	2,969,000	5,044,000
Interest Income Recognized	21,000	61,000	39,000	126,000
Unpaid Contractual Principal Balance	3,309,000		3,309,000		4,275,000
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Recorded Investment With No Allowance	12,004,000		12,004,000		10,630,000
Recorded Investment With Allowance	718,000		718,000		1,753,000
Impaired Financing Receivable, Recorded Investment	12,722,000		12,722,000		12,383,000
Impaired Financing Receivable, Related Allowance	46,000		46,000		162,000
Average Investment in Impaired Loans	12,837,000	9,032,000	12,686,000	7,904,000
Interest Income Recognized	90,000	110,000	167,000	197,000
Unpaid Contractual Principal Balance	13,423,000		13,423,000		12,970,000
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member]
Recorded Investment With No Allowance	7,324,000		7,324,000		6,891,000
Recorded Investment With Allowance	13,044,000		13,044,000		7,315,000
Impaired Financing Receivable, Recorded Investment	20,368,000		20,368,000		14,206,000
Impaired Financing Receivable, Related Allowance	1,686,000		1,686,000		99,000
Average Investment in Impaired Loans	22,402,000	19,976,000	19,670,000	14,789,000
Interest Income Recognized	138,000	220,000	258,000	370,000
Unpaid Contractual Principal Balance	22,562,000		22,562,000		20,993,000
Commercial Portfolio Segment [Member]
Recorded Investment With No Allowance	6,740,000		6,740,000		3,949,000
Recorded Investment With Allowance	11,495,000		11,495,000		7,573,000
Impaired Financing Receivable, Recorded Investment	18,235,000		18,235,000		11,522,000
Impaired Financing Receivable, Related Allowance	3,636,000		3,636,000		262,000
Average Investment in Impaired Loans	16,427,000	3,623,000	14,792,000	3,165,000
Interest Income Recognized	104,000	46,000	194,000	79,000
Unpaid Contractual Principal Balance	20,865,000		20,865,000		14,074,000
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Recorded Investment With No Allowance	4,674,000		4,674,000		2,734,000
Recorded Investment With Allowance	11,495,000		11,495,000		7,573,000
Impaired Financing Receivable, Recorded Investment	16,169,000		16,169,000		10,307,000
Impaired Financing Receivable, Related Allowance	3,636,000		3,636,000		262,000
Average Investment in Impaired Loans	14,275,000	2,539,000	12,952,000	2,355,000
Interest Income Recognized	91,000	31,000	170,000	59,000
Unpaid Contractual Principal Balance	17,682,000		17,682,000		11,848,000
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Recorded Investment With No Allowance	2,066,000		2,066,000		1,215,000
Recorded Investment With Allowance
Impaired Financing Receivable, Recorded Investment	2,066,000		2,066,000		1,215,000
Impaired Financing Receivable, Related Allowance
Average Investment in Impaired Loans	2,152,000	1,084,000	1,840,000	810,000
Interest Income Recognized	13,000	$ 15,000	24,000	$ 20,000
Unpaid Contractual Principal Balance	$ 3,183,000		$ 3,183,000		$ 2,226,000

Note 4 - Loans and Allowance 57

Note 4 - Loans and Allowance for Loan Losses - Troubled Debt Restructurings, Excluding Loans Acquired, Segregated by Class of Loans (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017USD ($)	Jun. 30, 2016	Jun. 30, 2017USD ($)	Jun. 30, 2016	Dec. 31, 2016USD ($)
Troubled debt, number	4	18	12	46
Commercial Real Estate Portfolio Segment [Member]
Troubled debt, number		8	3	34
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Troubled debt, number		7	1	9
Commercial Real Estate Portfolio Segment [Member] | Commercial Loans [Member]
Troubled debt, number	4
Commercial Portfolio Segment [Member]
Troubled debt, number	4	9	9	11
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Troubled debt, number		9	9	11
Consumer Portfolio Segment [Member]
Troubled debt, number		1		1
Consumer Portfolio Segment [Member] | Other Loans [Member]
Troubled debt, number		1		1
Loans, Excluding Acquired Loans [Member]
Troubled debt, number			48		79
Troubled debt, balance	$ 19,328		$ 19,328		$ 14,174
Loans, Excluding Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Troubled debt, number			32		58
Troubled debt, balance	16,413		$ 16,413		$ 12,091
Loans, Excluding Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Troubled debt, number			2		1
Troubled debt, balance	445		$ 445		$ 18
Loans, Excluding Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Troubled debt, number			20		32
Troubled debt, balance	1,255		$ 1,255		$ 2,245
Loans, Excluding Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member]
Troubled debt, number			10		25
Troubled debt, balance	14,713		$ 14,713		$ 9,828
Loans, Excluding Acquired Loans [Member] | Commercial Portfolio Segment [Member]
Troubled debt, number			16		20
Troubled debt, balance	2,915		$ 2,915		$ 2,080
Loans, Excluding Acquired Loans [Member] | Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Troubled debt, number			16		20
Troubled debt, balance	2,915		$ 2,915		$ 2,080
Loans, Excluding Acquired Loans [Member] | Consumer Portfolio Segment [Member]
Troubled debt, number					1
Troubled debt, balance					$ 3
Loans, Excluding Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Troubled debt, number					1
Troubled debt, balance					$ 3
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member]
Troubled debt, number			14		41
Troubled debt, balance	8,794		$ 8,794		$ 10,998
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member]
Troubled debt, number			7		26
Troubled debt, balance	6,667		$ 6,667		$ 9,215
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Troubled debt, number
Troubled debt, balance
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Troubled debt, number			1		3
Troubled debt, balance	43		$ 43		$ 167
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member]
Troubled debt, number			6		23
Troubled debt, balance	6,624		$ 6,624		$ 9,048
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Portfolio Segment [Member]
Troubled debt, number			7		15
Troubled debt, balance	2,127		$ 2,127		$ 1,783
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Troubled debt, number			7		15
Troubled debt, balance	2,127		$ 2,127		$ 1,783
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member]
Troubled debt, number
Troubled debt, balance
Loans, Excluding Acquired Loans [Member] | Performing Financial Instruments [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Troubled debt, number
Troubled debt, balance
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member]
Troubled debt, number			34		38
Troubled debt, balance	10,534		$ 10,534		$ 3,176
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member]
Troubled debt, number			25		32
Troubled debt, balance	9,746		$ 9,746		$ 2,876
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Troubled debt, number			2		1
Troubled debt, balance	445		$ 445		$ 18
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Troubled debt, number			19		29
Troubled debt, balance	1,212		$ 1,212		$ 2,078
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Real Estate Portfolio Segment [Member] | Other Loans [Member]
Troubled debt, number			4		2
Troubled debt, balance	8,089		$ 8,089		$ 780
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member]
Troubled debt, number			9		5
Troubled debt, balance	788		$ 788		$ 297
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Troubled debt, number			9		5
Troubled debt, balance	$ 788		$ 788		$ 297
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Consumer Portfolio Segment [Member]
Troubled debt, number					1
Troubled debt, balance					$ 3
Loans, Excluding Acquired Loans [Member] | Nonperforming Financial Instruments [Member] | Consumer Portfolio Segment [Member] | Other Loans [Member]
Troubled debt, number					1
Troubled debt, balance					$ 3

Note 4 - Loans and Allowance 58

Note 4 - Loans and Allowance for Loan Losses - Loans Restructured as TDRs, Excluding Loans Acquired, Segregated by Class of Loans (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2017USD ($)	Jun. 30, 2016USD ($)	Jun. 30, 2017USD ($)	Jun. 30, 2016USD ($)
Balance Prior to TDR	$ 41,000	$ 1,395,000	$ 8,629,000	$ 10,361,000
Balance	39,000	1,381,000	8,617,000	10,299,000
Financial Impact on Date of Restructure			$ 33,000
Number of Loans	4	18	12	46
Extended Maturity [Member]
Balance		$ 463,000	$ 8,578,000	$ 9,381,000
Contractual Interest Rate Reduction [Member]
Balance	39,000	918,000	39,000	918,000
Commercial Real Estate Portfolio Segment [Member]
Balance Prior to TDR		966,000	7,818,000	9,758,000
Balance		979,000	7,818,000	9,724,000
Financial Impact on Date of Restructure			$ 33,000
Number of Loans		8	3	34
Commercial Real Estate Portfolio Segment [Member] | Extended Maturity [Member]
Balance		$ 61,000	$ 7,818,000	$ 8,806,000
Commercial Real Estate Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Balance		918,000		918,000
Commercial Real Estate Portfolio Segment [Member] | Commercial Loans [Member]
Balance Prior to TDR	41,000
Balance	39,000
Financial Impact on Date of Restructure
Number of Loans	4
Commercial Real Estate Portfolio Segment [Member] | Commercial Loans [Member] | Extended Maturity [Member]
Balance
Commercial Real Estate Portfolio Segment [Member] | Commercial Loans [Member] | Contractual Interest Rate Reduction [Member]
Balance	39,000
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Balance Prior to TDR		618,000	456,000	796,000
Balance		615,000	456,000	793,000
Financial Impact on Date of Restructure
Number of Loans		7	1	9
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Extended Maturity [Member]
Balance		$ 61,000	$ 456,000	$ 239,000
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Contractual Interest Rate Reduction [Member]
Balance		554,000		554,000
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member]
Balance Prior to TDR		348,000	7,362,000	8,962,000
Balance		364,000	7,362,000	8,931,000
Financial Impact on Date of Restructure			$ 33,000
Number of Loans		1	2	25
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Extended Maturity [Member]
Balance			$ 7,362,000	$ 8,567,000
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Contractual Interest Rate Reduction [Member]
Balance		364,000		364,000
Commercial Portfolio Segment [Member]
Balance Prior to TDR	41,000	426,000	811,000	600,000
Balance	39,000	399,000	799,000	572,000
Financial Impact on Date of Restructure
Number of Loans	4	9	9	11
Commercial Portfolio Segment [Member] | Extended Maturity [Member]
Balance		$ 399,000	$ 760,000	$ 572,000
Commercial Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Balance	$ 39,000		39,000
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Balance Prior to TDR		426,000	811,000	600,000
Balance		399,000	799,000	572,000
Financial Impact on Date of Restructure
Number of Loans		9	9	11
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Extended Maturity [Member]
Balance		$ 399,000	$ 760,000	$ 572,000
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Contractual Interest Rate Reduction [Member]
Balance			$ 39,000
Consumer Portfolio Segment [Member]
Balance Prior to TDR		3,000		3,000
Balance		3,000		3,000
Financial Impact on Date of Restructure
Number of Loans		1		1
Consumer Portfolio Segment [Member] | Extended Maturity [Member]
Balance		$ 3,000		$ 3,000
Consumer Portfolio Segment [Member] | Contractual Interest Rate Reduction [Member]
Balance
Consumer Portfolio Segment [Member] | Other Loans [Member]
Balance Prior to TDR		3,000		3,000
Balance		3,000		3,000
Financial Impact on Date of Restructure
Number of Loans		1		1
Consumer Portfolio Segment [Member] | Other Loans [Member] | Extended Maturity [Member]
Balance		$ 3,000		$ 3,000
Consumer Portfolio Segment [Member] | Other Loans [Member] | Contractual Interest Rate Reduction [Member]
Balance

Note 4 - Loans and Allowance 59

Note 4 - Loans and Allowance for Loan Losses - Loans by Credit Risk Rating, Segregated by Class of Loans (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Loans acquired	[1]	$ 1,224,739	$ 1,305,683
Financing Receivables		6,225,311	5,632,890
Loans acquired, net of discount and allowance	[1]	1,224,739	1,305,683
Pass [Member]
Loans acquired		1,150,104	1,217,886
Financing Receivables		6,022,447	5,433,036
Loans acquired, net of discount and allowance		1,150,104	1,217,886
Special Mention [Member]
Loans acquired		32,960	22,181
Financing Receivables		46,749	33,865
Loans acquired, net of discount and allowance		32,960	22,181
Substandard [Member]
Loans acquired		40,182	64,075
Financing Receivables		154,428	164,251
Loans acquired, net of discount and allowance		40,182	64,075
Doubtful [Member]
Loans acquired		1,486	1,541
Financing Receivables		1,680	1,715
Loans acquired, net of discount and allowance		1,486	1,541
Unlikely to be Collected Financing Receivable [Member]
Loans acquired		7
Financing Receivables		7	23
Loans acquired, net of discount and allowance		7
Consumer Portfolio Segment [Member]
Financing Receivables		543,089	488,563
Consumer Portfolio Segment [Member] | Pass [Member]
Financing Receivables		539,461	485,575
Consumer Portfolio Segment [Member] | Special Mention [Member]
Financing Receivables			26
Consumer Portfolio Segment [Member] | Substandard [Member]
Financing Receivables		3,628	2,962
Consumer Portfolio Segment [Member] | Doubtful [Member]
Financing Receivables
Consumer Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member]
Financing Receivables		176,953	184,591
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Pass [Member]
Financing Receivables		176,388	183,943
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Special Mention [Member]
Financing Receivables
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Substandard [Member]
Financing Receivables		565	648
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Doubtful [Member]
Financing Receivables
Consumer Portfolio Segment [Member] | Credit Card Receivable [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables
Consumer Portfolio Segment [Member] | Other Loans [Member]
Financing Receivables		366,136	303,972
Consumer Portfolio Segment [Member] | Other Loans [Member] | Pass [Member]
Financing Receivables		363,073	301,632
Consumer Portfolio Segment [Member] | Other Loans [Member] | Special Mention [Member]
Financing Receivables			26
Consumer Portfolio Segment [Member] | Other Loans [Member] | Substandard [Member]
Financing Receivables		3,063	2,314
Consumer Portfolio Segment [Member] | Other Loans [Member] | Doubtful [Member]
Financing Receivables
Consumer Portfolio Segment [Member] | Other Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables
Commercial Real Estate Portfolio Segment [Member]
Financing Receivables		3,562,015	3,028,079
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Financing Receivables		3,467,621	2,943,890
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing Receivables		11,638	10,996
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Financing Receivables		82,588	73,019
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
Financing Receivables		168	174
Commercial Real Estate Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivables		457,896	336,759
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]
Financing Receivables		449,699	330,080
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Financing Receivables		1,739	98
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Financing Receivables		6,442	6,565
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member]
Financing Receivables		16	16
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Financing Receivables		1,014,412	904,245
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Pass [Member]
Financing Receivables		986,793	875,603
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Special Mention [Member]
Financing Receivables		3,288	4,024
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Substandard [Member]
Financing Receivables		24,179	24,460
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Doubtful [Member]
Financing Receivables		152	158
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member]
Financing Receivables		2,089,707	1,787,075
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Pass [Member]
Financing Receivables		2,031,129	1,738,207
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Special Mention [Member]
Financing Receivables		6,611	6,874
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Substandard [Member]
Financing Receivables		51,967	41,994
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Doubtful [Member]
Financing Receivables
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables
Commercial Portfolio Segment [Member]
Financing Receivables		870,277	789,903
Commercial Portfolio Segment [Member] | Pass [Member]
Financing Receivables		840,070	765,023
Commercial Portfolio Segment [Member] | Special Mention [Member]
Financing Receivables		2,151	662
Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivables		28,030	24,195
Commercial Portfolio Segment [Member] | Doubtful [Member]
Financing Receivables		26
Commercial Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables			23
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Financing Receivables		678,932	639,525
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Pass [Member]
Financing Receivables		651,846	616,805
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Special Mention [Member]
Financing Receivables		2,022	558
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Substandard [Member]
Financing Receivables		25,061	22,162
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Doubtful [Member]
Financing Receivables		3
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Financing Receivables		191,345	150,378
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Pass [Member]
Financing Receivables		188,224	148,218
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Special Mention [Member]
Financing Receivables		129	104
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Substandard [Member]
Financing Receivables		2,969	2,033
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Doubtful [Member]
Financing Receivables		23
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables			23
Unallocated Financing Receivables [Member]
Financing Receivables		25,191	20,662
Unallocated Financing Receivables [Member] | Pass [Member]
Financing Receivables		25,191	20,662
Unallocated Financing Receivables [Member] | Special Mention [Member]
Financing Receivables
Unallocated Financing Receivables [Member] | Substandard [Member]
Financing Receivables
Unallocated Financing Receivables [Member] | Doubtful [Member]
Financing Receivables
Unallocated Financing Receivables [Member] | Unlikely to be Collected Financing Receivable [Member]
Financing Receivables
[1]	See Note 5, Loans Acquired, for segregation of loans acquired by loan class.

Note 4 - Loans and Allowance 60

Note 4 - Loans and Allowance for Loan Losses - Activity in the Allowance for Loan Losses, by Portfolio Segment, for the Current Year (Details) - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2017		Jun. 30, 2016		Jun. 30, 2017		Jun. 30, 2016		Dec. 31, 2016
Balance, end of period	$ 41,379,000				$ 41,379,000
Balance, beginning of period					36,286,000
Provision for loan losses	7,023,000		$ 4,616,000		11,330,000		$ 7,439,000
Loans, Excluding Acquired Loans [Member]
Net recoveries (charge-offs)	(2,794,000)		(3,467,000)		(4,772,000)		(4,960,000)
Loans individually evaluated for impairment	5,524,000		3,149,000		5,524,000		3,149,000		$ 680,000
Loans collectively evaluated for impairment	35,855,000		30,374,000		35,855,000		30,374,000		35,606,000
Balance, end of period	41,379,000	[1]	33,523,000	[2]	41,379,000	[1]	33,523,000	[2]
Balance, beginning of period	37,865,000	[1]	32,681,000	[2]	36,286,000	[3]	31,351,000	[2]
Provision for loan losses	6,308,000	[4]	4,309,000	[5]	9,865,000	[4]	7,132,000	[5]
Charge-offs	(3,955,000)		(4,298,000)		(7,121,000)		(6,255,000)
Recoveries	1,161,000		831,000		2,349,000		1,295,000
Loans, Excluding Acquired Loans [Member] | Commercial Portfolio Segment [Member]
Net recoveries (charge-offs)	(317,000)		(1,965,000)		(579,000)		(2,434,000)
Loans individually evaluated for impairment	3,636,000		63,000		3,636,000		63,000		262,000
Loans collectively evaluated for impairment	4,469,000		7,769,000		4,469,000		7,769,000		7,477,000
Balance, end of period	8,105,000	[1]	7,832,000	[2]	8,105,000	[1]	7,832,000	[2]
Balance, beginning of period	8,173,000	[1]	7,083,000	[2]	7,739,000	[3]	5,985,000	[2]
Provision for loan losses	249,000	[4]	2,714,000	[5]	945,000	[4]	4,281,000	[5]
Charge-offs	(349,000)		(2,283,000)		(641,000)		(2,759,000)
Recoveries	32,000		318,000		62,000		325,000
Loans, Excluding Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Net recoveries (charge-offs)	(1,496,000)		(713,000)		(1,920,000)		(830,000)
Loans individually evaluated for impairment	1,888,000		3,080,000		1,888,000		3,080,000		417,000
Loans collectively evaluated for impairment	23,843,000		16,555,000		23,843,000		16,555,000		21,400,000
Balance, end of period	25,731,000	[1]	19,635,000	[2]	25,731,000	[1]	19,635,000	[2]
Balance, beginning of period	22,253,000	[1]	19,925,000	[2]	21,817,000	[3]	19,522,000	[2]
Provision for loan losses	4,974,000	[4]	423,000	[5]	5,834,000	[4]	943,000	[5]
Charge-offs	(1,712,000)		(824,000)		(2,368,000)		(1,053,000)
Recoveries	216,000		111,000		448,000		223,000
Loans, Excluding Acquired Loans [Member] | Consumer Portfolio Segment [Member]
Net recoveries (charge-offs)	(624,000)		(449,000)		(1,432,000)		(1,066,000)
Loans individually evaluated for impairment
Loans collectively evaluated for impairment	3,754,000		3,748,000		3,754,000		3,748,000		3,779,000
Balance, end of period	3,754,000	[1]	3,748,000	[2]	3,754,000	[1]	3,748,000	[2]
Balance, beginning of period	3,729,000	[1]	3,757,000	[2]	3,779,000	[3]	3,893,000	[2]
Provision for loan losses	649,000	[4]	440,000	[5]	1,407,000	[4]	921,000	[5]
Charge-offs	(901,000)		(702,000)		(1,945,000)		(1,561,000)
Recoveries	277,000		253,000		513,000		495,000
Loans, Excluding Acquired Loans [Member] | Unallocated Financing Receivables [Member]
Net recoveries (charge-offs)	(357,000)		(340,000)		(841,000)		(630,000)
Loans individually evaluated for impairment			6,000				6,000		1,000
Loans collectively evaluated for impairment	3,789,000		2,302,000		3,789,000		2,302,000		$ 2,950,000
Balance, end of period	3,789,000	[1]	2,308,000	[2]	3,789,000	[1]	2,308,000	[2]
Balance, beginning of period	3,710,000	[1]	1,916,000	[2]	2,951,000	[3]	1,951,000	[2]
Provision for loan losses	436,000	[4]	732,000	[5]	1,679,000	[4]	987,000	[5]
Charge-offs	(993,000)		(489,000)		(2,167,000)		(882,000)
Recoveries	$ 636,000		$ 149,000		$ 1,326,000		$ 252,000
[1]	Allowance for loan losses at June 30, 2017 includes $391,000 allowance for loans acquired (not shown in the table above). Allowance for loan losses at March 31, 2017 includes $435,000 allowance for loans acquired. Allowance for loan losses at December 31, 2016 includes $954,000 allowance for loans acquired. The total allowance for loan losses at June 30, 2017, March 31, 2017 and December 31, 2016 was $41,770,000, $38,300,000 and $37,240,000, respectively.
[2]	Allowance for loan losses at June 30, 2016, March 31, 2016 and December 31, 2015 includes $954,000 allowance for loans acquired. The total allowance for loan losses at June 30, 2016, March 31, 2016 and December 31, 2015 was $34,477,000, $33,635,000 and $32,305,000, respectively.
[3]	Allowance for loan losses at December 31, 2016 includes $954,000 allowance for loans acquired (not shown in the table above). The total allowance for loan losses December 31, 2016 was $37,240,000.
[4]	Provision for loan losses of $714,000 and $1,464,000 attributable to loans acquired was excluded from this table for the three and six months ended June 30, 2017, respectively (total provision for loan losses for the three and six months ended June 30, 2017 was $7,023,000 and $11,330,000). There were $758,000 and $2.0 million in charge-offs for acquired loans during the three and six months ended June 30, 2017, respectively, resulting in an ending balance in the allowance related to loans acquired of $391,000.
[5]	Provision for loan losses of $307,000 attributable to loans acquired was excluded from this table for the three and six months ended June 30, 2016 (total provision for loan losses for the three and six months ended June 30, 2016 was $4,616,000 and $7,439,000). The $307,000 was subsequently charged-off, resulting in no change to the ending balance in the allowance related to loans acquired.

Note 4 - Loans and Allowance 61

Note 4 - Loans and Allowance for Loan Losses - Recorded Investment in Loans, Excluding Loans Acquired (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Balance, end of period	$ 6,225,311	$ 5,632,890
Commercial Portfolio Segment [Member]
Balance, end of period	870,277	789,903
Commercial Real Estate Portfolio Segment [Member]
Balance, end of period	3,562,015	3,028,079
Consumer Portfolio Segment [Member]
Balance, end of period	543,089	488,563
Unallocated Financing Receivables [Member]
Balance, end of period	25,191	20,662
Loans, Excluding Acquired Loans [Member]
Loans individually evaluated for impairment	57,126	43,696
Loans collectively evaluated for impairment	4,943,446	4,283,511
Balance, end of period	5,000,572	4,327,207
Loans, Excluding Acquired Loans [Member] | Commercial Portfolio Segment [Member]
Loans individually evaluated for impairment	18,235	11,522
Loans collectively evaluated for impairment	852,042	778,381
Balance, end of period	870,277	789,903
Loans, Excluding Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans individually evaluated for impairment	35,851	30,001
Loans collectively evaluated for impairment	3,526,164	2,998,078
Balance, end of period	3,562,015	3,028,079
Loans, Excluding Acquired Loans [Member] | Consumer Portfolio Segment [Member]
Loans individually evaluated for impairment	293	373
Loans collectively evaluated for impairment	176,660	184,218
Balance, end of period	176,953	184,591
Loans, Excluding Acquired Loans [Member] | Unallocated Financing Receivables [Member]
Loans individually evaluated for impairment	2,747	1,800
Loans collectively evaluated for impairment	388,580	322,834
Balance, end of period	$ 391,327	$ 324,634

Note 5 - Loans Acquired (Detail

Note 5 - Loans Acquired (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	Sep. 30, 2016
Covered Purchased Impaired Loans Allowance	$ 391,000		$ 391,000		$ 954,000
Provision for Loan and Lease Losses	7,023,000	$ 4,616,000	11,330,000	$ 7,439,000
Acquired Loans [Member]
Non Covered Impaired Loans Allowance Reclassified	391,000		391,000		$ 954,000
Provision for Loan and Lease Losses	714,000	$ 307,000	1,464,000	$ 307,000
Hardeman County Investment Company, Inc. [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Net	249,300,000		249,300,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Gross	254,300,000		254,300,000
Loans Acquired Discount	5,000,000		5,000,000
Hardeman County Investment Company, Inc. [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Net	2,300,000		2,300,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Gross	3,300,000		3,300,000
Loans Acquired Discount	$ 956,000		$ 956,000
Citizens National Bank [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Net						$ 340,100,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Gross						348,800,000
Loans Acquired Discount						8,700,000
Citizens National Bank [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Net						757,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans, Gross						1,600,000
Loans Acquired Discount						$ 848,000

Note 5 - Loans Acquired - Carry

Note 5 - Loans Acquired - Carrying Value of all Acquired Impaired Loans (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Acquired loans	[1]	$ 1,224,739	$ 1,305,683
Consumer Portfolio Segment [Member]
Acquired loans		37,636	49,677
Commercial Real Estate Portfolio Segment [Member]
Acquired loans		1,068,842	1,170,871
Commercial Portfolio Segment [Member]
Acquired loans		118,261	85,135
Other Loans [Member] | Consumer Portfolio Segment [Member]
Acquired loans		37,636	49,677
Other Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Acquired loans		634,892	690,108
Construction Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Acquired loans		59,731	57,587
Single Family Residential Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Acquired loans		374,219	423,176
Commercial Loans [Member] | Commercial Portfolio Segment [Member]
Acquired loans		116,057	81,837
Agricultural Loans [Member] | Commercial Portfolio Segment [Member]
Acquired loans		$ 2,204	$ 3,298
[1]	Loans acquired are reported net of a $391,000 and $954,000 allowance at June 30, 2017 and December 31, 2016, respectively.

Note 5 - Loans Acquired - Nonac

Note 5 - Loans Acquired - Nonaccrual Acquired Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Loans in nonaccrual status	$ 57,126	$ 39,104
Acquired Loans [Member]
Loans in nonaccrual status	27,632	46,832
Consumer Portfolio Segment [Member]
Loans in nonaccrual status	3,040	2,166
Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans in nonaccrual status	2,747	1,793
Consumer Portfolio Segment [Member] | Acquired Loans [Member]
Loans in nonaccrual status	303	456
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member]
Loans in nonaccrual status	303	456
Commercial Real Estate Portfolio Segment [Member]
Loans in nonaccrual status	35,851	27,935
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans in nonaccrual status	2,761	3,411
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Loans in nonaccrual status	12,722	12,139
Commercial Real Estate Portfolio Segment [Member] | Other Commercial Loans [Member]
Loans in nonaccrual status	20,368	12,385
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member]
Loans in nonaccrual status	24,538	43,372
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member]
Loans in nonaccrual status	1,950	7,961
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member]
Loans in nonaccrual status	11,902	13,366
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Commercial Loans [Member]
Loans in nonaccrual status	10,686	22,045
Commercial Portfolio Segment [Member]
Loans in nonaccrual status	18,235	9,003
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Loans in nonaccrual status	16,169	7,765
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Loans in nonaccrual status	2,066	1,238
Commercial Portfolio Segment [Member] | Acquired Loans [Member]
Loans in nonaccrual status	2,791	3,004
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member]
Loans in nonaccrual status	2,607	2,806
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member]
Loans in nonaccrual status	$ 184	$ 198

Note 5 - Loans Acquired - Age A

Note 5 - Loans Acquired - Age Analysis of Past Due Acquired Loans, Excluding Loans Covered by Loss Share (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Loans	$ 6,225,000,000	$ 5,633,000,000
Acquired Loans [Member]
90 Days Past Due & Accruing	48,000	11,000
Past Due	18,119,000	37,940,000
Current	1,206,620,000	1,267,743,000
Loans	1,224,739,000	1,305,683,000
Acquired Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Past Due	6,225,000	12,668,000
Acquired Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due	11,894,000	25,272,000
Consumer Portfolio Segment [Member]
Loans	543,089,000	488,563,000
Consumer Portfolio Segment [Member] | Other Loans [Member]
Loans	366,136,000	303,972,000
Consumer Portfolio Segment [Member] | Acquired Loans [Member]
90 Days Past Due & Accruing
Past Due	554,000	760,000
Current	37,082,000	48,917,000
Loans	37,636,000	49,677,000
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Past Due	465,000	571,000
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due	89,000	189,000
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member]
90 Days Past Due & Accruing
Past Due	554,000	760,000
Current	37,082,000	48,917,000
Loans	37,636,000	49,677,000
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Past Due	465,000	571,000
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due	89,000	189,000
Commercial Real Estate Portfolio Segment [Member]
Loans	3,562,015,000	3,028,079,000
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loans	457,896,000	336,759,000
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Loans	1,014,412,000	904,245,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member]
90 Days Past Due & Accruing	48,000	11,000
Past Due	15,148,000	34,256,000
Current	1,053,694,000	1,136,615,000
Loans	1,068,842,000	1,170,871,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Past Due	4,144,000	11,326,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due	11,004,000	22,930,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member]
90 Days Past Due & Accruing
Past Due	7,000,000	13,577,000
Current	627,892,000	676,531,000
Loans	634,892,000	690,108,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Past Due	1,991,000	2,836,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due	5,009,000	10,741,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member]
90 Days Past Due & Accruing
Past Due	1,590,000	7,464,000
Current	58,141,000	50,123,000
Loans	59,731,000	57,587,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Past Due	148,000	132,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due	1,442,000	7,332,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member]
90 Days Past Due & Accruing	48,000	11,000
Past Due	6,558,000	13,215,000
Current	367,661,000	409,961,000
Loans	374,219,000	423,176,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Past Due	2,005,000	8,358,000
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due	4,553,000	4,857,000
Commercial Portfolio Segment [Member]
Loans	870,277,000	789,903,000
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Loans	678,932,000	639,525,000
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Loans	191,345,000	150,378,000
Commercial Portfolio Segment [Member] | Acquired Loans [Member]
90 Days Past Due & Accruing
Past Due	2,417,000	2,924,000
Current	115,844,000	82,211,000
Loans	118,261,000	85,135,000
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Past Due	1,616,000	771,000
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due	801,000	2,153,000
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member]
90 Days Past Due & Accruing
Past Due	2,350,000	2,876,000
Current	113,707,000	78,961,000
Loans	116,057,000	81,837,000
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Past Due	1,549,000	723,000
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due	801,000	2,153,000
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member]
90 Days Past Due & Accruing
Past Due	67,000	48,000
Current	2,137,000	3,250,000
Loans	2,204,000	3,298,000
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member] | Financing Receivables, 30 to 89 Days Past Due [Member]
Past Due	67,000	48,000
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Past Due

Note 5 - Loans Acquired - Summa

Note 5 - Loans Acquired - Summary of Acquired Loans, Excluding Loans Covered by Loss Share (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Acquired loans	$ 6,225,311	$ 5,632,890
Pass [Member]
Acquired loans	6,022,447	5,433,036
Special Mention [Member]
Acquired loans	46,749	33,865
Substandard [Member]
Acquired loans	154,428	164,251
Doubtful [Member]
Acquired loans	1,680	1,715
Unlikely to be Collected Financing Receivable [Member]
Acquired loans	7	23
Acquired Loans [Member]
Acquired loans	1,224,739	1,305,683
Acquired Loans [Member] | Pass [Member]
Acquired loans	1,150,104	1,217,886
Acquired Loans [Member] | Special Mention [Member]
Acquired loans	32,960	22,181
Acquired Loans [Member] | Substandard [Member]
Acquired loans	40,182	64,075
Acquired Loans [Member] | Doubtful [Member]
Acquired loans	1,486	1,541
Acquired Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans	7
Consumer Portfolio Segment [Member]
Acquired loans	543,089	488,563
Consumer Portfolio Segment [Member] | Pass [Member]
Acquired loans	539,461	485,575
Consumer Portfolio Segment [Member] | Special Mention [Member]
Acquired loans		26
Consumer Portfolio Segment [Member] | Substandard [Member]
Acquired loans	3,628	2,962
Consumer Portfolio Segment [Member] | Doubtful [Member]
Acquired loans
Consumer Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Consumer Portfolio Segment [Member] | Other Loans [Member]
Acquired loans	366,136	303,972
Consumer Portfolio Segment [Member] | Other Loans [Member] | Pass [Member]
Acquired loans	363,073	301,632
Consumer Portfolio Segment [Member] | Other Loans [Member] | Special Mention [Member]
Acquired loans		26
Consumer Portfolio Segment [Member] | Other Loans [Member] | Substandard [Member]
Acquired loans	3,063	2,314
Consumer Portfolio Segment [Member] | Other Loans [Member] | Doubtful [Member]
Acquired loans
Consumer Portfolio Segment [Member] | Other Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Consumer Portfolio Segment [Member] | Acquired Loans [Member]
Acquired loans	37,636	49,677
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Pass [Member]
Acquired loans	36,934	48,992
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Special Mention [Member]
Acquired loans	18	14
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Substandard [Member]
Acquired loans	684	671
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Doubtful [Member]
Acquired loans
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member]
Acquired loans	37,636	49,677
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Pass [Member]
Acquired loans	36,934	48,992
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Special Mention [Member]
Acquired loans	18	14
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Substandard [Member]
Acquired loans	684	671
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Doubtful [Member]
Acquired loans
Consumer Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Commercial Real Estate Portfolio Segment [Member]
Acquired loans	3,562,015	3,028,079
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Acquired loans	3,467,621	2,943,890
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Acquired loans	11,638	10,996
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Acquired loans	82,588	73,019
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
Acquired loans	168	174
Commercial Real Estate Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Acquired loans	457,896	336,759
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]
Acquired loans	449,699	330,080
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Acquired loans	1,739	98
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Acquired loans	6,442	6,565
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member]
Acquired loans	16	16
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member]
Acquired loans	1,014,412	904,245
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Pass [Member]
Acquired loans	986,793	875,603
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Special Mention [Member]
Acquired loans	3,288	4,024
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Substandard [Member]
Acquired loans	24,179	24,460
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Doubtful [Member]
Acquired loans	152	158
Commercial Real Estate Portfolio Segment [Member] | Single Family Residential Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member]
Acquired loans	1,068,842	1,170,871
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Pass [Member]
Acquired loans	1,007,373	1,092,275
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Special Mention [Member]
Acquired loans	26,042	20,168
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Substandard [Member]
Acquired loans	33,941	56,893
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Doubtful [Member]
Acquired loans	1,486	1,535
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member]
Acquired loans	634,892	690,108
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Pass [Member]
Acquired loans	595,029	641,018
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Special Mention [Member]
Acquired loans	24,328	17,384
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Substandard [Member]
Acquired loans	15,535	31,706
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Doubtful [Member]
Acquired loans
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Other Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member]
Acquired loans	59,731	57,587
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member] | Pass [Member]
Acquired loans	57,016	50,704
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member] | Special Mention [Member]
Acquired loans	67	88
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member] | Substandard [Member]
Acquired loans	2,648	6,795
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member] | Doubtful [Member]
Acquired loans
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Construction Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member]
Acquired loans	374,219	423,176
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member] | Pass [Member]
Acquired loans	355,328	400,553
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member] | Special Mention [Member]
Acquired loans	1,647	2,696
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member] | Substandard [Member]
Acquired loans	15,758	18,392
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member] | Doubtful [Member]
Acquired loans	1,486	1,535
Commercial Real Estate Portfolio Segment [Member] | Acquired Loans [Member] | Single Family Residential Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Commercial Portfolio Segment [Member]
Acquired loans	870,277	789,903
Commercial Portfolio Segment [Member] | Pass [Member]
Acquired loans	840,070	765,023
Commercial Portfolio Segment [Member] | Special Mention [Member]
Acquired loans	2,151	662
Commercial Portfolio Segment [Member] | Substandard [Member]
Acquired loans	28,030	24,195
Commercial Portfolio Segment [Member] | Doubtful [Member]
Acquired loans	26
Commercial Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans		23
Commercial Portfolio Segment [Member] | Commercial Loans [Member]
Acquired loans	678,932	639,525
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Pass [Member]
Acquired loans	651,846	616,805
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Special Mention [Member]
Acquired loans	2,022	558
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Substandard [Member]
Acquired loans	25,061	22,162
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Doubtful [Member]
Acquired loans	3
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]
Acquired loans	191,345	150,378
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Pass [Member]
Acquired loans	188,224	148,218
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Special Mention [Member]
Acquired loans	129	104
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Substandard [Member]
Acquired loans	2,969	2,033
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Doubtful [Member]
Acquired loans	23
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans		23
Commercial Portfolio Segment [Member] | Acquired Loans [Member]
Acquired loans	118,261	85,135
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Pass [Member]
Acquired loans	105,797	76,619
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Special Mention [Member]
Acquired loans	6,900	1,999
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Substandard [Member]
Acquired loans	5,557	6,511
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Doubtful [Member]
Acquired loans		6
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans	7
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member]
Acquired loans	116,057	81,837
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member] | Pass [Member]
Acquired loans	103,777	73,609
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member] | Special Mention [Member]
Acquired loans	6,900	1,965
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member] | Substandard [Member]
Acquired loans	5,373	6,257
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member] | Doubtful [Member]
Acquired loans		6
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Commercial Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans	7
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member]
Acquired loans	2,204	3,298
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member] | Pass [Member]
Acquired loans	2,020	3,010
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member] | Special Mention [Member]
Acquired loans		34
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member] | Substandard [Member]
Acquired loans	184	254
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member] | Doubtful [Member]
Acquired loans
Commercial Portfolio Segment [Member] | Acquired Loans [Member] | Agricultural Loans [Member] | Unlikely to be Collected Financing Receivable [Member]
Acquired loans

Note 5 - Loans Acquired - Impac

Note 5 - Loans Acquired - Impact of the Adjustments on the Company's Financial Results for the Following Reporting Periods (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Impact on net interest income and pre-tax income	$ 1,388	$ 80	$ 2,572	$ 1,175
Net impact, net of taxes	$ 844	$ 49	$ 1,563	$ 714

Note 5 - Loans Acquired - Chang

Note 5 - Loans Acquired - Changes in the Carrying Amount of the Accretable Yield for All Purchased Impaired and Non-impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Beginning balance	$ 1,217	$ 2,034	$ 1,655	$ 954
Additions
Accretable yield adjustments	1,418	642	2,646	3,074
Accretion	(1,869)	(311)	(3,535)	(1,663)
Payments and other reductions, net
Balance, ending	766	2,365	766	2,365
Beginning balance	8,695	21,259	17,802	23,469
Additions	2,388		2,388
Accretion	1,869	311	3,535	1,663
Payments and other reductions, net	(4,504)	(907)	(15,277)	(4,469)
Balance, ending	$ 8,448	$ 20,663	$ 8,448	$ 20,663

Note 6 - Goodwill and Other I69

Note 6 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)	3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2017	Dec. 31, 2016	May 15, 2017	Sep. 09, 2016
Goodwill	$ 379,437,000	$ 348,505,000	$ 379,437,000	$ 348,505,000
Goodwill, Impairment Loss			$ 0	$ 0
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life			10 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life			15 years
Core Deposit Premium [Member]
Finite-Lived Intangible Asset, Useful Life			10 years
Hardeman County Investment Company, Inc. [Member]
Goodwill					$ 29,402,000	$ 23,000,000
Finite-lived Intangible Assets Acquired	830,000
Hardeman County Investment Company, Inc. [Member] | Core Deposit Premium [Member]
Finite-lived Intangible Assets Acquired	$ 7,800,000
Citizens National Bank [Member]
Goodwill						$ 23,025,000
Finite-lived Intangible Assets Acquired		591,000
Citizens National Bank [Member] | Core Deposit Premium [Member]
Finite-lived Intangible Assets Acquired		$ 5,100,000

Note 6 - Goodwill and Other I70

Note 6 - Goodwill and Other Intangible Assets - Goodwill, Core Deposit Premiums and Purchased Credit Card Relationships (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Goodwill	$ 379,437	$ 348,505
Core deposit premiums, net	58,528
Total goodwill and other intangible assets	437,965	401,464
Core Deposit Premium [Member]
Gross carrying amount	56,532	48,692
Accumulated amortization	(12,956)	(10,625)
Core deposit premiums, net	43,576	38,067
Purchased Credit Card Relationships [Member]
Gross carrying amount	2,068	2,068
Accumulated amortization	(1,551)	(1,344)
Core deposit premiums, net	517	724
Books of Business Intangible [Member]
Gross carrying amount	16,714	15,884
Accumulated amortization	(2,279)	(1,716)
Core deposit premiums, net	14,435	14,168
Other Intangible Assets [Member]
Core deposit premiums, net	$ 58,528	$ 52,959

Note 6 - Goodwill and Other I71

Note 6 - Goodwill and Other Intangible Assets - Amortization Expense (Details) $ in Thousands	Jun. 30, 2017USD ($)
Remainder of 2017	$ 3,452
2,018	6,705
2,019	6,395
2,020	6,382
2,021	6,320
Thereafter	29,274
Total	$ 58,528

Note 7 - Time Deposits (Details

Note 7 - Time Deposits (Details Textual) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Time Deposits, $100,000 or More	$ 665,268,000	$ 600,280,000
Time Deposits, at or Above FDIC Insurance Limit	$ 229,780,000	$ 193,596,000

Note 8 - Income Taxes (Details

Note 8 - Income Taxes (Details Textual) $ in Millions	6 Months Ended
	Jun. 30, 2017USD ($)
Earliest Tax Year [Member] | Domestic Tax Authority [Member]
Open Tax Year	2,013
Earliest Tax Year [Member] | State and Local Jurisdiction [Member]
Open Tax Year	2,013
Metropolitan [Member]
Operating Loss Carryforwards	$ 36.5

Note 8 - Income Taxes - Provisi

Note 8 - Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income taxes currently payable			$ 18,521	$ 22,812
Deferred income taxes			2,230	615
Provision for income taxes	$ 11,060	$ 11,809	$ 20,751	$ 23,427

Note 8 - Income Taxes - Tax Eff

Note 8 - Income Taxes - Tax Effects of Temporary Differences Related to Deferred Taxes Included in Other Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Deferred tax assets:
Loans acquired	$ 7,066	$ 7,986
Allowance for loan losses	16,536	14,754
Valuation of foreclosed assets	4,030	3,958
Tax NOLs from acquisition	12,806	13,077
Deferred compensation payable	2,905	2,785
Vacation compensation	1,879	1,740
Accrued equity and other compensation	4,879	6,367
Acquired securities	1,224	1,098
Other accrued liabilities	2,053	1,834
Unrealized loss on available-for-sale securities	7,037	9,559
Other	5,794	5,267
Gross deferred tax assets	66,209	68,425
Deferred tax liabilities:
Goodwill and other intangible amortization	(32,321)	(29,601)
Accumulated depreciation	(6,520)	(5,370)
Other	(6,056)	(5,877)
Gross deferred tax liabilities	(44,897)	(40,848)
Net deferred tax asset, included in other assets	$ 21,312	$ 27,577

Note 8 - Income Taxes - Reconci

Note 8 - Income Taxes - Reconciliation of Income Tax Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Computed at the statutory rate (35%)			$ 23,078	$ 24,444
State income taxes, net of federal tax benefit			775	1,369
Discrete items related to ASU 2016-09			(1,377)
Tax exempt interest income			(2,205)	(2,048)
Tax exempt earnings on BOLI			(438)	(519)
Merger related expenses			372
Federal tax credits			(793)	(53)
Other differences, net			1,339	234
Provision for income taxes	$ 11,060	$ 11,809	$ 20,751	$ 23,427

Note 8 - Income Taxes - Recon77

Note 8 - Income Taxes - Reconciliation of Income Tax Expense (Details) (Parentheticals)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Statutory rate	35.00%	35.00%

Note 9 - Securities Sold Unde78

Note 9 - Securities Sold Under Agreements to Repurchase (Details Textual) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	$ 120.9	$ 102.4

Note 9 - Securities Sold Unde79

Note 9 - Securities Sold Under Agreements to Repurchase - Contractual Maturity of the Agreements (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	$ 120,900	$ 102,400
US Government Agencies Debt Securities [Member]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	120,919	102,404
Maturity Overnight [Member] | US Government Agencies Debt Securities [Member]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement	120,919	101,647
Maturity Less than 30 Days [Member] | US Government Agencies Debt Securities [Member]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement
Maturity 30 to 90 Days [Member] | US Government Agencies Debt Securities [Member]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement
Maturity Greater than 90 Days [Member] | US Government Agencies Debt Securities [Member]
Financial Assets Sold under Agreements to Repurchase, Gross Including Not Subject to Master Netting Arrangement		$ 757

Note 10 - Other Borrowings an80

Note 10 - Other Borrowings and Subordinated Debentures (Details Textual) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Federal Home Loan Bank, Advances, Maturities Summary, Due in Next Twelve Months	$ 392.1	$ 180
Advances from Federal Home Loan Banks	429.3
Advances from Federal Home Loan Bank Available	1,263
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	$ 1,954
Federal Home Loan Bank Advances [Member]
Debt Instrument, Term	1 year

Note 10 - Other Borrowings an81

Note 10 - Other Borrowings and Subordinated Debentures - Long-term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Total other borrowings	$ 474,962	$ 273,159
Subordinated Debentures	67,312	60,397
Total other borrowings and subordinated debentures	542,274	333,556
Federal Home Loan Bank Advances [Member]
FHLB advances, net of discount, due 2017 to 2033, 0.95% to 7.37% secured by residential real estate loans	429,287	225,230
Note Payable Due 10/15/2020 [Member]
Notes payable, due 10/15/2020, 3.85%, fixed rate, unsecured	45,675	47,929
Trust Preferred Securities Due 12/30/2033 Floating Rate of 2.8% Above Three Month LIBOR 1 [Member]
Subordinated Debentures	20,620	20,620
Trust Preferred Securities Due 6/30/2035 [Member]
Subordinated Debentures	9,276	9,225
Trust Preferred Securities Due 9/15/2037 [Member]
Subordinated Debentures	10,207	10,130
Trust Preferred Securities Due 12/3/2033 [Member]
Subordinated Debentures	5,159	5,161
Trust Preferred Securities Due 12/13/2034 [Member]
Subordinated Debentures	5,127	5,105
Trust Preferred Securities, Due 6/6/2037 [Member]
Subordinated Debentures	10,221	10,156
Trust Preferred Securities, Due 12/15/2035 [Member]
Subordinated Debentures	$ 6,702

Note 10 - Other Borrowings an82

Note 10 - Other Borrowings and Subordinated Debentures - Long-term Debt (Details) (Parentheticals)	6 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Federal Home Loan Bank Advances [Member] | Minimum [Member]
Fixed rate	0.95%	0.95%
Federal Home Loan Bank Advances [Member] | Maximum [Member]
Fixed rate	7.37%	7.37%
Note Payable Due 10/15/2020 [Member]
Fixed rate	3.85%	3.85%
Trust Preferred Securities Due 12/30/2033 Floating Rate of 2.8% Above Three Month LIBOR 1 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Floating rate	2.80%	2.80%
Trust Preferred Securities Due 6/30/2035 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Floating rate	1.75%	1.75%
Trust Preferred Securities Due 9/15/2037 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Floating rate	1.37%	1.37%
Trust Preferred Securities Due 12/3/2033 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Floating rate	2.88%	2.88%
Trust Preferred Securities Due 12/13/2034 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Floating rate	2.00%	2.00%
Trust Preferred Securities, Due 6/6/2037 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Floating rate	1.57%	1.57%
Trust Preferred Securities, Due 12/15/2035 [Member] | London Interbank Offered Rate (LIBOR) [Member]
Floating rate	1.45%

Note 10 - Other Borrowings an83

Note 10 - Other Borrowings and Subordinated Debentures - Aggregate Annual Maturities of Long-term Debt (Details) $ in Thousands	Jun. 30, 2017USD ($)
2,017	$ 3,713
2,018	23,941
2,019	7,665
2,020	36,424
2,021	2,333
Thereafter	76,148
Total	$ 150,224

Note 12 - Common Stock (Details

Note 12 - Common Stock (Details Textual)	Jul. 23, 2012shares
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	850,000
Percent of Outstanding Stock	5.00%

Note 13 - Undivided Profits (De

Note 13 - Undivided Profits (Details Textual) $ in Millions	6 Months Ended
	Jun. 30, 2017USD ($)
Threshold Percentage of Net Profits Exceeded by Dividends Declared, Any Calendar Year	75.00%
Threshold Percentage of Net Profits Exceeded by Dividends Declared, Combined with Preceding Year	75.00%
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval	$ 4
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	5.00%
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	8.00%
Capital Required to be Well Capitalized to Risk Weighted Assets	10.00%
Common Equity Tier 1 Ratio Required To Be Well Capitalized	6.50%
Capital Conservation Buffer Phase In Amount	0.625%
Capital Conservation Buffer Phase In Period	4 years
Capital Conservation Buffer	2.50%
Capital to Risk Weighted Assets	12.11%

Note 14 - Stock Based Compens86

Note 14 - Stock Based Compensation (Details Textual) - USD ($) $ / shares in Units, shares in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Allocated Share-based Compensation Expense	$ 4,499,000	$ 2,097,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options	433,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options	$ 16,485,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 73 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 3,963,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	$ 3,149,000
Share Price	$ 52.90
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 765,000	$ 741,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value		$ 11.64

Note 14 - Stock Based Compens87

Note 14 - Stock Based Compensation - Stock Compensation Plans (Details) shares in Thousands	6 Months Ended
	Jun. 30, 2017$ / sharesshares
Stock Options Outstanding Number of Shares, Balance (in shares)	473
Stock Options Outstanding Weighted Average Exercise Price, Balance (in dollars per share) | $ / shares	$ 42.85
Stock Options Outstanding Number of Shares, Exercisable (in shares)	323
Stock Options Outstanding Weighted Average Exercise Price,Exercisable (in dollars per share) | $ / shares	$ 43.16
Stock Options Outstanding Number of Shares, Granted (in shares)	0
Stock Options Outstanding Weighted Average Exercise Price, Granted (in dollars per share) | $ / shares
Stock Options Outstanding Number of Shares, Stock Options Exercised (in shares)	(38)
Stock Options Outstanding Weighted Average Exercise Price, Stock Options Exercised (in dollars per share) | $ / shares	$ 32.64
Stock Awards/Units Outstanding Number of Shares, Stock Options Exercised (in shares)	38
Stock Options Outstanding Number of Shares, Forfeited/Expired (in shares)	(3)
Stock Options Outstanding Weighted Average Exercise Price, Forfeited/Expired (in dollars per share) | $ / shares	$ 44.67
Stock Options Outstanding Number of Shares, Balance (in shares)	432
Stock Options Outstanding Weighted Average Exercise Price, Balance (in dollars per share) | $ / shares	$ 43.73
Restricted Stock [Member]
Stock Awards/Units Outstanding Weighted Average Grant-Date Fair-Value, Balance (in dollars per share) | $ / shares	$ 40.96
Stock Awards/Units Outstanding Number of Shares, Balance (in shares)	139
Stock Awards/Units Outstanding Weighted Average Grant-Date Fair-Value, Balance (in dollars per share) | $ / shares	$ 42.41
Stock Options Outstanding Number of Shares, Exercisable (in shares)
Stock Awards/Units Outstanding Number of Shares, Granted (in shares)
Stock Awards/Units Outstanding Weighted Average Grant-Date Fair-Value, Granted (in dollars per share) | $ / shares
Stock Options Outstanding Number of Shares, Stock Options Exercised (in shares)
Stock Awards/Units Outstanding Number of Shares, Stock Options Exercised (in shares)
Stock Awards/Units Outstanding Number of Shares, Vested (in shares)	(26)
Stock Awards/Units Outstanding Weighted Average Grant-Date Fair-Value, Vested (in dollars per share) | $ / shares	$ 34.27
Stock Awards/Units Outstanding Number of Shares, Forfeited/Expired (in shares)	(11)
Stock Awards/Units Outstanding Weighted Average Grant-Date Fair-Value, Forfeited/Expired (in dollars per share) | $ / shares	$ 43.69
Stock Awards/Units Outstanding Number of Shares, Balance (in shares)	102
Stock Units [Member]
Stock Awards/Units Outstanding Weighted Average Grant-Date Fair-Value, Balance (in dollars per share) | $ / shares	$ 45.40
Stock Awards/Units Outstanding Number of Shares, Balance (in shares)	113
Stock Awards/Units Outstanding Weighted Average Grant-Date Fair-Value, Balance (in dollars per share) | $ / shares	$ 54.05
Stock Options Outstanding Number of Shares, Exercisable (in shares)
Stock Awards/Units Outstanding Number of Shares, Granted (in shares)	174
Stock Awards/Units Outstanding Weighted Average Grant-Date Fair-Value, Granted (in dollars per share) | $ / shares	$ 58.51
Stock Options Outstanding Number of Shares, Stock Options Exercised (in shares)
Stock Awards/Units Outstanding Number of Shares, Stock Options Exercised (in shares)
Stock Awards/Units Outstanding Number of Shares, Vested (in shares)	(121)
Stock Awards/Units Outstanding Weighted Average Grant-Date Fair-Value, Vested (in dollars per share) | $ / shares	$ 52.69
Stock Awards/Units Outstanding Number of Shares, Forfeited/Expired (in shares)	(9)
Stock Awards/Units Outstanding Weighted Average Grant-Date Fair-Value, Forfeited/Expired (in dollars per share) | $ / shares	$ 51.62
Stock Awards/Units Outstanding Number of Shares, Balance (in shares)	157

Note 14 - Stock Based Compens88

Note 14 - Stock Based Compensation - Stock Options Outstanding by Range of Exercise Prices (Details)	6 Months Ended
	Jun. 30, 2017$ / sharesshares
Options outstanding, weighted average exercise price (in dollars per share)	$ 43.73
Options exercisable, number of shares (in shares) | shares	323,354
Options exercisable, weighted average exercise price (in dollars per share)	$ 43.16
Range of exercise prices, minimum (in dollars per share)	17.55
Range of exercise prices, maximum (in dollars per share)	$ 48.13
Options outstanding, number of shares (in shares) | shares	432,370
Options outstanding, weighted average remaining contractual life (Year)	7 years 204 days
Range01 [Member]
Options outstanding, weighted average exercise price (in dollars per share)	$ 19.29
Options exercisable, number of shares (in shares) | shares	4,150
Options exercisable, weighted average exercise price (in dollars per share)	$ 19.32
Range of exercise prices, minimum (in dollars per share)	17.55
Range of exercise prices, maximum (in dollars per share)	$ 21.13
Options outstanding, number of shares (in shares) | shares	4,550
Options outstanding, weighted average remaining contractual life (Year)	2 years 302 days
Range 02 [Member]
Options outstanding, weighted average exercise price (in dollars per share)	$ 21.29
Options exercisable, number of shares (in shares) | shares	2,900
Options exercisable, weighted average exercise price (in dollars per share)	$ 21.29
Range of exercise prices, minimum (in dollars per share)	21.29
Range of exercise prices, maximum (in dollars per share)	$ 21.29
Options outstanding, number of shares (in shares) | shares	4,400
Options outstanding, weighted average remaining contractual life (Year)	5 years 226 days
Range 03 [Member]
Options outstanding, weighted average exercise price (in dollars per share)	$ 21.51
Options exercisable, number of shares (in shares) | shares	1,500
Options exercisable, weighted average exercise price (in dollars per share)	$ 21.51
Range of exercise prices, minimum (in dollars per share)	21.51
Range of exercise prices, maximum (in dollars per share)	$ 21.51
Options outstanding, number of shares (in shares) | shares	1,500
Options outstanding, weighted average remaining contractual life (Year)	2 years 200 days
Range 04 [Member]
Options outstanding, weighted average exercise price (in dollars per share)	$ 30.31
Options exercisable, number of shares (in shares) | shares	22,180
Options exercisable, weighted average exercise price (in dollars per share)	$ 30.31
Range of exercise prices, minimum (in dollars per share)	30.31
Range of exercise prices, maximum (in dollars per share)	$ 30.31
Options outstanding, number of shares (in shares) | shares	22,180
Options outstanding, weighted average remaining contractual life (Year)	321 days
Range 05 [Member]
Options outstanding, weighted average exercise price (in dollars per share)	$ 40.57
Options exercisable, number of shares (in shares) | shares	40,490
Options exercisable, weighted average exercise price (in dollars per share)	$ 40.57
Range of exercise prices, minimum (in dollars per share)	40.57
Range of exercise prices, maximum (in dollars per share)	$ 40.57
Options outstanding, number of shares (in shares) | shares	40,490
Options outstanding, weighted average remaining contractual life (Year)	7 years 182 days
Range 06 [Member]
Options outstanding, weighted average exercise price (in dollars per share)	$ 40.72
Options exercisable, number of shares (in shares) | shares	600
Options exercisable, weighted average exercise price (in dollars per share)	$ 40.72
Range of exercise prices, minimum (in dollars per share)	40.72
Range of exercise prices, maximum (in dollars per share)	$ 40.72
Options outstanding, number of shares (in shares) | shares	1,500
Options outstanding, weighted average remaining contractual life (Year)	7 years 138 days
Range 07 [Member]
Options outstanding, weighted average exercise price (in dollars per share)	$ 44.40
Options exercisable, number of shares (in shares) | shares	37,144
Options exercisable, weighted average exercise price (in dollars per share)	$ 44.40
Range of exercise prices, minimum (in dollars per share)	44.40
Range of exercise prices, maximum (in dollars per share)	$ 44.40
Options outstanding, number of shares (in shares) | shares	49,870
Options outstanding, weighted average remaining contractual life (Year)	7 years 266 days
Range 08 [Member]
Options outstanding, weighted average exercise price (in dollars per share)	$ 45.50
Options exercisable, number of shares (in shares) | shares	190,907
Options exercisable, weighted average exercise price (in dollars per share)	$ 45.50
Range of exercise prices, minimum (in dollars per share)	45.50
Range of exercise prices, maximum (in dollars per share)	$ 45.50
Options outstanding, number of shares (in shares) | shares	246,485
Options outstanding, weighted average remaining contractual life (Year)	8 years 40 days
Range 09 [Member]
Options outstanding, weighted average exercise price (in dollars per share)	$ 47.02
Options exercisable, number of shares (in shares) | shares	20,838
Options exercisable, weighted average exercise price (in dollars per share)	$ 47.02
Range of exercise prices, minimum (in dollars per share)	47.02
Range of exercise prices, maximum (in dollars per share)	$ 47.02
Options outstanding, number of shares (in shares) | shares	58,090
Options outstanding, weighted average remaining contractual life (Year)	8 years 91 days
Range 10 [Member]
Options outstanding, weighted average exercise price (in dollars per share)	$ 48.13
Options exercisable, number of shares (in shares) | shares	2,645
Options exercisable, weighted average exercise price (in dollars per share)	$ 48.13
Range of exercise prices, minimum (in dollars per share)	48.13
Range of exercise prices, maximum (in dollars per share)	$ 48.13
Options outstanding, number of shares (in shares) | shares	3,305
Options outstanding, weighted average remaining contractual life (Year)	8 years 76 days

Note 14 - Stock Based Compens89

Note 14 - Stock Based Compensation - Weighted-Average Fair Value Assumptions (Details)	6 Months Ended
	Jun. 30, 2016
Expected dividend yield	1.96%
Expected stock price volatility	27.34%
Risk-free interest rate	2.01%
Expected life of options (Year)	7 years

Note 15 - Additional Cash Flo90

Note 15 - Additional Cash Flow Information - Additional Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Interest paid	$ 13,203	$ 10,817
Income taxes paid	10,067	21,610
Transfers of Loans Not Covered by FDIC Loss Share to Foreclosed Assets Held-for-sale [Member]
Transfers to foreclosed assets	2,667	2,970
Transfers of Premises and Equipment to Premises Held for Sale [Member]
Transfers of premises and equipment to premises held for sale		6,167
Transfers of Premises Held-for-sale to Foreclosed Assets Held-for-sale [Member]
Transfers to foreclosed assets	$ 3,188	$ 923

Note 16 - Other Operating Exp91

Note 16 - Other Operating Expenses - Other Operating Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Professional services	$ 3,962	$ 2,911	$ 9,131	$ 6,404
Postage	1,204	1,074	2,335	2,309
Telephone	982	1,041	2,060	2,100
Credit card expense	3,107	2,542	5,944	5,372
Marketing	1,687	2,149	3,033	3,122
Operating supplies	459	458	814	817
Amortization of intangibles	1,554	1,451	3,104	2,908
Branch right sizing expense	99	3,219	217	3,233
Other expense	6,831	4,687	13,134	9,662
Total other operating expenses	$ 19,885	$ 19,532	$ 39,772	$ 35,927

Note 18 - Commitments and Cre92

Note 18 - Commitments and Credit Risk (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Letters of Credit Outstanding, Amount	$ 33,111,000	$ 29,362,000
Standby Letters of Credit [Member]
Deferred Revenue	$ 0	0
Minimum [Member]
Letters of Credit Term	270 days
Maximum [Member]
Letters of Credit Term	15 years
Credit Card Commitments to Extend Credit [Member]
Commitments and Contingencies	$ 568,760,000	562,527,000
Other Loan Commitments to Extend Credit [Member]
Commitments and Contingencies	$ 1,545,227,000	$ 1,220,137,000

Note 19 - Preferred Stock (Deta

Note 19 - Preferred Stock (Details Textual) - Series A Preferred Stock [Member] - shares	Feb. 19, 2016	Feb. 27, 2015	Feb. 18, 2016
Preferred Stock, Dividend Rate, Percentage	9.00%		1.00%
Community First Bancshares Inc [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		30,852

Note 20 - Fair Value Measurem94

Note 20 - Fair Value Measurements (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Real Estate Acquired Through Foreclosure	$ 26,012,000	$ 26,895,000
Impaired Financing Receivable, Related Allowance	5,524,000	680,000
Collateral Dependent Loans [Member]
Impaired Financing Receivable, Related Allowance	$ 2,139,000	2,384,000
Commercial and Residential Real Estate Collateral [Member] | Minimum [Member]
Fair Value Percentage Of Collateral Discount	10.00%
Commercial and Residential Real Estate Collateral [Member] | Maximum [Member]
Fair Value Percentage Of Collateral Discount	40.00%
Foreclosed Assets Not Covered By FDIC Loss Share [Member]
Real Estate Acquired Through Foreclosure	$ 26,000,000	$ 26,900,000
Special Mention Or Worse [Member]
Collateral Dependent Loans Amount At Which All Loans Are Tested	$ 1,500,000

Note 20 - Fair Value Measurem95

Note 20 - Fair Value Measurements - Fair Value of Financial Assets Measure on a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Available-for-sale securities	$ 1,190,600	$ 1,157,354
Assets held in trading accounts	50	41
Fair Value, Measurements, Recurring [Member]
Assets held in trading accounts	50	41
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Assets held in trading accounts
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Assets held in trading accounts	50	41
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Assets held in trading accounts
US Treasury Securities [Member]
Available-for-sale securities	19,997	300
US Treasury Securities [Member] | Fair Value, Measurements, Recurring [Member]
Available-for-sale securities	19,997	300
US Treasury Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities	19,997	300
US Treasury Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities
US Treasury Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities
US Government Agencies Debt Securities [Member]
Available-for-sale securities	147,619	137,771
US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
Available-for-sale securities	147,619	137,771
US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities
US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities	147,619	137,771
US Government Agencies Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Available-for-sale securities	878,205	868,324
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Fair Value, Measurements, Recurring [Member]
Available-for-sale securities	878,205	868,324
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities	878,205	868,324
Mortgage-backed Securities, Issued by Private Enterprises [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	83,672	102,943
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
Available-for-sale securities	83,672	102,943
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Available-for-sale securities
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Available-for-sale securities	83,672	102,943
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Available-for-sale securities
Other Securities [Member]
Available-for-sale securities	61,107	48,016
Other Securities [Member] | Fair Value, Measurements, Recurring [Member]
Other securities	61,107	48,016
Other Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Other securities
Other Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Other securities	61,107	48,016
Other Securities [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Other securities

Note 20 - Fair Value Measurem96

Note 20 - Fair Value Measurements - Fair Value of Financial Assets Measured on a Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring [Member] - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Impaired loans (1) (2) (collateral dependent)	[1],[2]	$ 11,079	$ 17,154
Foreclosed Assets [Member]
Foreclosed assets held for sale (1)	[2]	6,984	17,806
Fair Value, Inputs, Level 1 [Member]
Impaired loans (1) (2) (collateral dependent)	[1],[2]
Fair Value, Inputs, Level 1 [Member] | Foreclosed Assets [Member]
Foreclosed assets held for sale (1)	[2]
Fair Value, Inputs, Level 2 [Member]
Impaired loans (1) (2) (collateral dependent)	[1],[2]
Fair Value, Inputs, Level 2 [Member] | Foreclosed Assets [Member]
Foreclosed assets held for sale (1)	[2]
Fair Value, Inputs, Level 3 [Member]
Impaired loans (1) (2) (collateral dependent)	[1],[2]	11,079	17,154
Fair Value, Inputs, Level 3 [Member] | Foreclosed Assets [Member]
Foreclosed assets held for sale (1)	[2]	$ 6,984	$ 17,806
[1]	Specific allocations of $2,139,000 and $2,384,000 were related to the impaired collateral dependent loans for which fair value re-measurements took place during the periods ended June 30, 2017 and December 31, 2016, respectively.
[2]	These amounts represent the resulting carrying amounts on the Consolidated Balance Sheets for impaired collateral dependent loans and foreclosed assets held for sale for which fair value re-measurements took place during the period.

Note 20 - Fair Value Measurem97

Note 20 - Fair Value Measurements - Estimated Fair Values and Related Carrying Amounts of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Held-to-maturity securities	$ 425,263	$ 465,960
Reported Value Measurement [Member]
Mortgage loans held for sale	16,266	27,788
Interest receivable	27,337	27,788
Federal funds purchased and securities sold under agreements to repurchase	121,419	115,029
Other borrowings	474,962	273,159
Subordinated debentures	67,312	60,397
Interest payable	1,706	1,668
Cash and cash equivalents	329,614	285,659
Interest bearing balances due from banks - time	6,057	4,563
Held-to-maturity securities	419,003	462,096
Reported Value Measurement [Member] | Non-Interest Bearing Transaction Accounts [Member]
Deposits	1,650,986	1,491,676
Reported Value Measurement [Member] | Interest Bearing Transaction Accounts and Savings Deposits [Member]
Deposits	4,141,426	3,956,483
Reported Value Measurement [Member] | Time Deposits [Member]
Deposits	1,311,123	1,287,060
Reported Value Measurement [Member] | Legacy Loans [Member]
Legacy loans (net of allowance)	4,959,193	4,290,921
Reported Value Measurement [Member] | Acquired Loans [Member]
Legacy loans (net of allowance)	1,224,739	1,305,683
Estimate of Fair Value Measurement [Member]
Mortgage loans held for sale	16,266	27,788
Interest receivable	27,337	27,788
Federal funds purchased and securities sold under agreements to repurchase	121,419	115,029
Other borrowings	479,740	292,367
Subordinated debentures	62,012	55,318
Interest payable	1,706	1,668
Cash and cash equivalents	344,647	285,659
Interest bearing balances due from banks - time	6,057	4,563
Held-to-maturity securities	425,263	465,960
Estimate of Fair Value Measurement [Member] | Non-Interest Bearing Transaction Accounts [Member]
Deposits	1,650,986	1,491,676
Estimate of Fair Value Measurement [Member] | Interest Bearing Transaction Accounts and Savings Deposits [Member]
Deposits	4,141,426	3,956,483
Estimate of Fair Value Measurement [Member] | Time Deposits [Member]
Deposits	1,301,715	1,278,339
Estimate of Fair Value Measurement [Member] | Legacy Loans [Member]
Legacy loans (net of allowance)	4,941,097	4,305,165
Estimate of Fair Value Measurement [Member] | Acquired Loans [Member]
Legacy loans (net of allowance)	1,220,270	1,310,017
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Mortgage loans held for sale
Interest receivable
Federal funds purchased and securities sold under agreements to repurchase
Other borrowings
Subordinated debentures
Interest payable
Cash and cash equivalents	329,614	285,659
Interest bearing balances due from banks - time
Held-to-maturity securities
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Non-Interest Bearing Transaction Accounts [Member]
Deposits
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Interest Bearing Transaction Accounts and Savings Deposits [Member]
Deposits
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Time Deposits [Member]
Deposits
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Legacy Loans [Member]
Legacy loans (net of allowance)
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Acquired Loans [Member]
Legacy loans (net of allowance)
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Mortgage loans held for sale
Interest receivable	27,337	27,788
Federal funds purchased and securities sold under agreements to repurchase	121,419	115,029
Other borrowings	479,740	292,367
Subordinated debentures	62,012	55,318
Interest payable	1,706	1,668
Cash and cash equivalents
Interest bearing balances due from banks - time	6,057	4,563
Held-to-maturity securities	425,263	465,960
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Non-Interest Bearing Transaction Accounts [Member]
Deposits	1,650,986	1,491,676
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Interest Bearing Transaction Accounts and Savings Deposits [Member]
Deposits	4,141,426	3,956,483
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Time Deposits [Member]
Deposits
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Legacy Loans [Member]
Legacy loans (net of allowance)
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Acquired Loans [Member]
Legacy loans (net of allowance)
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Mortgage loans held for sale	16,266	27,788
Interest receivable
Federal funds purchased and securities sold under agreements to repurchase
Other borrowings
Subordinated debentures
Interest payable
Cash and cash equivalents
Interest bearing balances due from banks - time
Held-to-maturity securities
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Non-Interest Bearing Transaction Accounts [Member]
Deposits
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Interest Bearing Transaction Accounts and Savings Deposits [Member]
Deposits
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Time Deposits [Member]
Deposits	1,301,715	1,278,339
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Legacy Loans [Member]
Legacy loans (net of allowance)	4,941,097	4,305,165
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member] | Acquired Loans [Member]
Legacy loans (net of allowance)	$ 1,220,270	$ 1,310,017