ServisFirst Bancshares (SFBS) 10-Q 29 Apr 21 2021 Q1 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	3 Months Ended
	Mar. 31, 2021	Apr. 26, 2021
Document Information [Line Items]
Entity Central Index Key	0001430723
Entity Registrant Name	ServisFirst Bancshares, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2021
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2021
Document Transition Report	false
Entity File Number	001-36452
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-0734029
Entity Address, Address Line One	2500 Woodcrest Place
Entity Address, City or Town	Birmingham
Entity Address, State or Province	AL
Entity Address, Postal Zip Code	35209
City Area Code	205
Local Phone Number	949-0302
Title of 12(b) Security	Common stock, par value $.001 per share
Trading Symbol	SFBS
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		54,152,882

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	[1]
ASSETS
Cash and due from banks	$ 70,107	$ 93,655
Interest-bearing balances due from depository institutions	2,738,046	2,115,985
Federal funds sold	1,577	1,771
Cash and cash equivalents	2,809,730	2,211,411
Available for sale, fair value	961,879	886,688
Held to maturity debt securities (fair value of $250 at March 31, 2021 and December 31, 2020)	250	250
Mortgage loans held for sale	15,834	14,425
Loans	8,504,980	8,465,688
Less: Allowance for credit losses	(94,906)	(87,942)
Loans, net	8,410,074	8,377,746
Premises and equipment, net	56,472	54,969
Accrued interest and dividends receivable	36,348	36,841
Deferred tax assets, net	32,126	31,072
Other real estate owned and repossessed assets	2,067	6,497
Bank owned life insurance contracts	278,045	276,387
Goodwill and other identifiable intangible assets	13,841	13,908
Other assets	30,708	22,460
Total assets	12,647,374	11,932,654
Liabilities:
Noninterest-bearing	3,044,611	2,788,772
Interest-bearing	7,532,999	7,186,952
Total deposits	10,577,610	9,975,724
Federal funds purchased	911,558	851,545
Other borrowings	64,691	64,748
Accrued interest payable	12,865	12,321
Other liabilities	50,165	35,464
Total liabilities	11,616,889	10,939,802
Stockholders' equity:
Preferred stock, par value $0.001 per share; 1,000,000 authorized and undesignated at March 31, 2021 and December 31 2020	0	0
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 54,137,650 shares issued and outstanding at March 31, 2021, and 53,943,751 shares issued and outstanding at December 31 2020	54	54
Additional paid-in capital	224,302	223,856
Retained earnings	788,875	748,224
Accumulated other comprehensive income	16,754	20,218
Total stockholders' equity attributable to ServisFirst Bancshares, Inc.	1,029,985	992,352
Noncontrolling interest	500	500
Total stockholders' equity	1,030,485	992,852
Total liabilities and stockholders' equity	$ 12,647,374	$ 11,932,654
[1]	derived from audited financial statements.

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	[1]
Held to maturity debt securities, fair value	$ 250	$ 250
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, undesignated (in shares)	1,000,000	1,000,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	54,137,650	53,943,751
Common stock, shares outstanding (in shares)	54,137,650	53,943,751
[1]	derived from audited financial statements.

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Interest income:
Interest and fees on loans	$ 93,803	$ 89,385
Taxable securities	5,807	5,154
Nontaxable securities	107	233
Federal funds sold	3	277
Other interest and dividends	676	1,718
Total interest income	100,396	96,767
Interest expense:
Deposits	6,881	16,745
Borrowed funds	1,150	2,382
Total interest expense	8,031	19,127
Net interest income	92,365	77,640
Provision for credit losses	7,451	13,584
Net interest income after provision for credit losses	84,914	64,056
Noninterest income:
Increase in cash surrender value life insurance	1,658	1,453
Other operating income	958	469
Total noninterest income	8,463	6,674
Noninterest expense:
Salaries and employee benefits	15,543	15,658
Equipment and occupancy	2,654	2,400
Third party processing and other services	3,416	3,457
Professional services	923	948
FDIC and other regulatory assessments	1,582	1,332
Other real estate owned	157	601
Other operating expense	4,639	3,524
Total noninterest expense	28,914	27,920
Income before income taxes	64,463	42,810
Provision for income taxes	13,008	8,032
Net income	51,455	34,778
Dividends on preferred stock	0	0
Net income available to common stockholders	$ 51,455	$ 34,778
Basic earnings per common share (in dollars per share)	$ 0.95	$ 0.65
Diluted earnings per common share (in dollars per share)	$ 0.95	$ 0.64
Deposit Account [Member]
Noninterest income:
Noninterest income	$ 1,908	$ 1,916
Mortgage Banking [Member]
Noninterest income:
Noninterest income	2,747	1,071
Credit Card [Member]
Noninterest income:
Noninterest income	$ 1,192	$ 1,765

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Net income	$ 51,455	$ 34,778
Other comprehensive (loss) income, net of tax:
Unrealized net holding (losses) gains arising during period from securities available for sale, net of tax of $(917) and $3,110 for 2021 and 2020, respectively	(3,464)	11,699
Other comprehensive (loss) income, net of tax	(3,464)	11,699
Comprehensive income	$ 47,991	$ 46,477

Consolidated Statements of Co_2

Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Unrealized holding gain (loss) from available for sale securities, tax	$ (917)	$ 3,110

Consolidated Statement of Stock

Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2019	53,623,740
Balance at Dec. 31, 2019	$ 54	$ 0	$ 219,766	$ 616,611	$ 5,749	$ 502	$ 842,682
Common dividends declared	0	0	0	(9,423)	0	0	(9,423)
Dividends on nonvested restricted stock recognized as compensation expense	$ 0	0	0	14	0	0	14
Issue restricted shares pursuant to stock incentives (in shares)	15,300
Issue restricted shares pursuant to stock incentives	$ 0	0	0	0	0	0	0
Issue shares of common stock upon exercise of stock options (in shares)	204,969
Issue shares of common stock upon exercise of stock options	$ 0	0	2,261	0	0	0	2,261
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(403)	0	0	0	(403)
Stock-based compensation expense	0	0	277	0	0	0	277
Other comprehensive income (loss), net of tax	0	0	0	0	11,699	0	11,699
Net income	0	0	0	34,778	0		34,778
Net income attributable to noncontrolling interest						0
Profit loss							34,778
Issue restricted shares pursuant to stock incentives, net of forfeitures	$ 0	0	0	0	0	0	0
Balance (in shares) at Mar. 31, 2020	53,844,009
Balance at Mar. 31, 2020	$ 54	0	221,901	641,980	17,448	502	881,885
Balance (in shares) at Dec. 31, 2020	53,943,751
Balance at Dec. 31, 2020	$ 54	0	223,856	748,224	20,218	500	992,852	[1]
Common dividends declared	0	0	0	(10,829)	0	0	(10,829)
Dividends on nonvested restricted stock recognized as compensation expense	$ 0	0	0	25	0	0	25
Issue restricted shares pursuant to stock incentives (in shares)	42,642
Issue restricted shares pursuant to stock incentives	$ 0	0	0	0	0	0	0
Issue shares of common stock upon exercise of stock options (in shares)	151,257
Issue shares of common stock upon exercise of stock options	$ 0	0	1,865	0	0	0	1,865
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(1,710)	0	0	0	(1,710)
Stock-based compensation expense	0	0	291	0	0	0	291
Other comprehensive income (loss), net of tax	0	0	0	0	(3,464)	0	(3,464)
Net income	0	0	0	51,455	0		51,455
Net income attributable to noncontrolling interest						0
Profit loss							51,455
Issue restricted shares pursuant to stock incentives, net of forfeitures	$ 0	0	0	0	0	0	0
Balance (in shares) at Mar. 31, 2021	54,137,650
Balance at Mar. 31, 2021	$ 54	$ 0	$ 224,302	$ 788,875	$ 16,754	$ 500	$ 1,030,485
[1]	derived from audited financial statements.

Consolidated Statement of Sto_2

Consolidated Statement of Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Additional Paid-in Capital [Member]
Shares withheld in net settlement upon exercise of stock options (in shares)	36,243	11,031
Common dividends, per share declared (in dollars per share)	$ 0.20	$ 0.175

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
OPERATING ACTIVITIES
Net income	$ 51,455	$ 34,778
Adjustments to reconcile net income to net cash provided by
Deferred tax benefit	(137)	(1,267)
Provision for credit losses	7,451	13,584
Depreciation	1,015	921
Amortization of core deposit intangible	67	68
Net amortization of debt securities available for sale	1,701	966
Increase in accrued interest and dividends receivable	493	948
Stock-based compensation expense	291	277
Increase in accrued interest payable	544	465
Proceeds from sale of mortgage loans held for sale	90,227	36,308
Originations of mortgage loans held for sale	(88,889)	(35,672)
Gain on sale of mortgage loans held for sale	(2,747)	(1,071)
Net loss (gain) on sale of other real estate owned and repossessed assets	334	(24)
Write down of other real estate owned and repossessed assets	147	587
Operating losses of tax credit partnerships	4	3
Increase in cash surrender value of life insurance contracts	(1,658)	(1,453)
Net change in other assets, liabilities, and other operating activities	6,462	2,814
Net cash provided by operating activities	66,760	52,232
INVESTMENT ACTIVITIES
Purchase of debt securities available for sale	(149,719)	(80,149)
Proceeds from maturities, calls and paydowns of debt securities available for sale	72,194	26,778
Investment in tax credit partnership and SBIC	(56)	(111)
Increase in loans	(40,193)	(312,426)
Purchase of premises and equipment	(2,518)	(417)
Proceeds from sale of other real estate owned and repossessed assets	584	454
Net cash used in investing activities	(119,708)	(365,871)
FINANCING ACTIVITIES
Net increase in non-interest-bearing deposits	255,839	175,747
Net increase in interest-bearing deposits	346,047	126,475
Net increase in federal funds purchased	60,013	72,874
Proceeds from exercise of stock options	1,865	2,261
Taxes paid in net settlement of tax obligation upon exercise of stock options	(1,710)	(403)
Dividends paid on common stock	(10,787)	(9,384)
Net cash provided by financing activities	651,267	367,570
Net increase in cash and cash equivalents	598,319	53,931
Cash and cash equivalents at beginning of period	2,211,411	630,600
Cash and cash equivalents at end of period	2,809,730	684,531
Cash paid for:
Interest	7,487	18,662
Income taxes	4,294	400
NONCASH TRANSACTIONS
Other real estate acquired in settlement of loans	364	287
Internally financed sale of other real estate owned	3,779	0
Dividends declared	$ 10,829	$ 9,423

Note 1 - General

Note 1 - General	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	NOTE 1 The accompanying consolidated financial statements in this report have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission, including Regulation S- X 10 not not not may 10 December 31, 2020. All reported amounts are in thousands except share and per share data. Allowance for Credit Losses The Coronavirus Aid, Relief, and Economic Security Act (the “CARES Act”) was passed on March 27, 2020 2016 - 13 , Financial Instruments-Credit Losses (Topic 326 Recently Adopted Accounting Pronouncements, 2016 13, 19 December 31, 2020, January 1, 2020. January 1, 2020, 2020 not

Note 2 - Cash and Cash Equivale

Note 2 - Cash and Cash Equivalents	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Cash and Cash Equivalents Disclosure [Text Block]	NOTE 2 Cash on hand, cash items in process of collection, amounts due from banks, and federal funds sold are included in cash and cash equivalents.

Note 3 - Earnings Per Common Sh

Note 3 - Earnings Per Common Share	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Earnings Per Share [Text Block]	NOTE 3 Basic earnings per common share are computed by dividing net income by the weighted average number of common shares outstanding during the period. Diluted earnings per common share include the dilutive effect of additional potential common shares issuable under stock options. Three Months Ended March 31, 2021 2020 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 54,050,670 53,704,224 Net income available to common stockholders $ 51,455 $ 34,778 Basic earnings per common share $ 0.95 $ 0.65 Weighted average common shares outstanding 54,050,670 53,704,224 Dilutive effects of assumed conversions and exercise of stock options and warrants 331,321 463,190 Weighted average common and dilutive potential common shares outstanding 54,381,991 54,167,414 Net income available to common stockholders $ 51,455 $ 34,778 Diluted earnings per common share $ 0.95 $ 0.64

Note 4 - Securities

Note 4 - Securities	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	NOTE 4 The amortized cost and fair value of available-for-sale and held-to-maturity securities at March 31, 2021 December 31, 2020 Amortized Cost Gross Unrealized Gain Gross Unrealized Loss Allowance For Credit Losses Fair Value March 31, 2021 (In Thousands) Available for sale debt securities U.S. Treasury Securities $ 13,995 $ 301 $ - $ - $ 14,296 Government Agency Securities 12,020 170 - - 12,190 Mortgage-backed securities 558,985 13,352 (2,795 ) - 569,542 State and municipal securities 33,408 303 (189 ) - 33,522 Corporate debt 322,320 10,288 (279 ) - 332,329 Total $ 940,728 $ 24,414 $ (3,263 ) $ - $ 961,879 Held to maturity debt securities State and municipal securities $ 250 $ - $ - $ - $ 250 Total $ 250 $ - $ - $ - $ 250 December 31, 2020 Available for sale debt securities U.S. Treasury Securities $ 13,993 $ 364 $ - $ - $ 14,357 Government Agency Securities 15,228 230 - - 15,458 Mortgage-backed securities 477,407 17,720 (18 ) - 495,109 State and municipal securities 37,671 444 - - 38,115 Corporate debt 316,857 7,296 (504 ) - 323,649 Total $ 861,156 $ 26,054 $ (522 ) $ - $ 886,688 Held to maturity debt securities State and municipal securities $ 250 $ - $ - $ - $ 250 Total $ 250 $ - $ - $ - $ 250 The amortized cost and fair value of debt securities as of March 31, 2021 December 31, 2020 may may not ten may fifth March 31, 2021 December 31, 2020 Amortized Cost Fair Value Amortized Cost Fair Value (In thousands) Available for sale debt securities Due within one year $ 32,331 $ 32,623 $ 30,797 $ 31,060 Due from one to five years 51,309 52,954 59,828 61,481 Due from five to ten years 293,965 302,644 288,002 293,886 Due after ten years 4,138 4,116 5,122 5,152 Mortgage-backed securities 558,985 569,542 477,407 495,109 $ 940,728 $ 961,879 $ 861,156 $ 886,688 Held to maturity debt securities Due from one to five years $ 250 $ 250 $ 250 $ 250 $ 250 $ 250 $ 250 $ 250 All mortgage-backed securities are with government-sponsored enterprises (GSEs) such as Federal National Mortgage Association, Government National Mortgage Association, Federal Home Loan Bank, and Federal Home Loan Mortgage Corporation. The carrying value of investment securities pledged to secure public funds on deposit and for other purposes as required by law was $468.7 million and $477.6 million as of March 31, 2021 December 31, 2020, The following table identifies, as of March 31, 2021 December 31, 2020, 12 12 Less Than Twelve Months Twelve Months or More Total Gross Gross Gross Unrealized Unrealized Unrealized Losses Fair Value Losses Fair Value Losses Fair Value (In Thousands) March 31, 2021 Mortgage-backed securities $ (2,795 ) $ 191,402 $ - $ - $ (2,795 ) $ 191,402 State and municipal securities (189 ) 5,467 - - (189 ) 5,467 Corporate debt (234 ) 29,836 (45 ) 1,990 (279 ) 31,826 Total $ (3,218 ) $ 226,705 $ (45 ) $ 1,990 $ (3,263 ) $ 228,694 December 31, 2020 Mortgage-backed securities $ (18 ) $ 3,667 $ - $ - $ (18 ) $ 3,667 Corporate debt (504 ) 59,576 - - (504 ) 59,576 Total $ (522 ) $ 63,243 $ - $ - $ (522 ) $ 63,243 At March 31, 2021, no not not not not may

Note 5 - Loans

Note 5 - Loans	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	NOTE 5 LOANS The loan portfolio is classified based on the underlying collateral utilized to secure each loan for financial reporting purposes. This classification is consistent with the Quarterly Report of Condition and Income filed by ServisFirst Bank with the Federal Deposit Insurance Corporation (FDIC). Commercial, financial and agricultural - Real estate construction Owner-occupied commercial real estate mortgage 1 4 Other real estate mortgage Consumer not In light of the U.S. and global economic crisis brought about by the COVID- 19 500 March 31, 2021, April 2020, March 31, 2021 December 31, 2020, three March 31, 2021 2020 March 31, 2021 December 31, 2020, No The following table details the Company’s loans at March 31, 2021 December 31, 2020: March 31, December 31, 2021 2020 (Dollars In Thousands) Commercial, financial and agricultural $ 3,323,093 $ 3,295,900 Real estate - construction 666,592 593,614 Real estate - mortgage: Owner-occupied commercial 1,698,695 1,693,428 1-4 family mortgage 685,840 711,692 Other mortgage 2,068,560 2,106,184 Subtotal: Real estate - mortgage 4,453,095 4,511,304 Consumer 62,200 64,870 Total Loans 8,504,980 8,465,688 Less: Allowance for credit losses (94,906 ) (87,942 ) Net Loans $ 8,410,074 $ 8,377,746 Commercial, financial and agricultural 39.07 % 38.93 % Real estate - construction 7.84 % 7.01 % Real estate - mortgage: Owner-occupied commercial 19.97 % 20.00 % 1-4 family mortgage 8.07 % 8.41 % Other mortgage 24.32 % 24.88 % Subtotal: Real estate - mortgage 52.36 % 53.29 % Consumer 0.73 % 0.77 % Total Loans 100.00 % 100.00 % The credit quality of the loan portfolio is summarized no ● Pass – loans which are well protected by the current net worth and paying capacity of the obligor (or obligors, if any) or by the fair value, less cost to acquire and sell, of any underlying collateral. ● Special Mention – loans with potential weakness that may, not not not ● Substandard – loans that exhibit well-defined weakness or weaknesses that presently jeopardize debt repayment. These loans are characterized by the distinct possibility that the institution will sustain some loss if the weaknesses are not ● Doubtful – loans that have all the weaknesses inherent in loans classified substandard, plus the added characteristic that the weaknesses make collection or liquidation in full on the basis of currently existing facts, conditions, and values highly questionable and improbable. The table below presents loan balances classified by credit quality indicator, loan type and based on year of origination as of March 31, 2021: Revolving March 31, 2021 2021 2020 2019 2018 2017 Prior Loans Total (In Thousands) Commercial, financial and agricultural Pass $ 451,136 $ 942,305 $ 305,491 $ 202,837 $ 153,959 $ 196,657 $ 993,613 $ 3,245,998 Special Mention 557 1,430 227 9 1,386 384 10,814 14,807 Substandard - 559 10,570 567 3,741 2,570 44,281 62,288 Doubtful - - - - - - - - Total Commercial, financial and agricultural $ 451,693 $ 944,294 $ 316,288 $ 203,413 $ 159,086 $ 199,611 $ 1,048,708 $ 3,323,093 Real estate - construction Pass $ 40,168 $ 250,260 $ 238,486 $ 54,129 $ 15,879 $ 19,009 $ 48,426 $ 666,357 Special Mention - - - - - - - - Substandard - - - - - 235 - 235 Doubtful - - - - - - - - Total Real estate - construction $ 40,168 $ 250,260 $ 238,486 $ 54,129 $ 15,879 $ 19,244 $ 48,426 $ 666,592 Owner-occupied commercial Pass $ 51,008 $ 364,982 $ 263,789 $ 207,599 $ 199,276 $ 551,086 $ 55,790 $ 1,693,530 Special Mention - - - - 289 1,941 200 2,430 Substandard - - - - 780 1,716 239 2,735 Doubtful - - - - - - - - Total Owner-occupied commercial $ 51,008 $ 364,982 $ 263,789 $ 207,599 $ 200,345 $ 554,743 $ 56,229 $ 1,698,695 1-4 family mortgage Pass $ 34,862 $ 170,574 $ 99,727 $ 65,064 $ 50,130 $ 61,073 $ 199,658 $ 681,088 Special Mention - 680 433 129 104 481 1,111 2,938 Substandard - 150 367 - 233 217 847 1,814 Doubtful - - - - - - - - Total 1-4 family mortgage $ 34,862 $ 171,404 $ 100,527 $ 65,193 $ 50,467 $ 61,771 $ 201,616 $ 685,840 Other mortgage Pass $ 90,376 $ 458,320 $ 442,499 $ 216,211 $ 333,266 $ 431,485 $ 71,610 $ 2,043,767 Special Mention - - - - 2,775 8,989 - 11,764 Substandard - - - 4,567 8,462 - - 13,029 Doubtful - - - - - - - - Total Other mortgage $ 90,376 $ 458,320 $ 442,499 $ 220,778 $ 344,503 $ 440,474 $ 71,610 $ 2,068,560 Consumer Pass $ 3,588 $ 16,111 $ 3,990 $ 1,332 $ 1,311 $ 4,373 $ 31,451 $ 62,156 Special Mention - - - 13 - 31 - 44 Substandard - - - - - - - - Doubtful - - - - - - - - Total Consumer $ 3,588 $ 16,111 $ 3,990 $ 1,345 $ 1,311 $ 4,404 $ 31,451 $ 62,200 Total Loans Pass $ 671,138 $ 2,202,552 $ 1,353,982 $ 747,172 $ 753,821 $ 1,263,683 $ 1,400,548 $ 8,392,896 Special Mention 557 2,110 660 151 4,554 11,826 12,125 31,983 Substandard - 709 10,937 5,134 13,216 4,738 45,367 80,101 Doubtful - - - - - - - - Total Loans $ 671,695 $ 2,205,371 $ 1,365,579 $ 752,457 $ 771,591 $ 1,280,247 $ 1,458,040 $ 8,504,980 Loans by credit quality indicator, loan type and based on year of origination as of December 31, 2020 Revolving December 31, 2020 2020 2019 2018 2017 2016 Prior Loans Total (In Thousands) Commercial, financial and agricultural Pass $ 1,260,341 $ 332,690 $ 229,838 $ 169,616 $ 89,893 $ 137,021 $ 988,093 $ 3,207,492 Special Mention 2,551 1,404 10 253 163 281 14,948 19,610 Substandard 569 10,639 617 5,447 963 2,038 48,525 68,798 Doubtful - - - - - - - - Total Commercial, financial and agricultural $ 1,263,461 $ 344,733 $ 230,465 $ 175,316 $ 91,019 $ 139,340 $ 1,051,566 $ 3,295,900 Real estate - construction Pass $ 230,931 $ 222,357 $ 53,981 $ 16,361 $ 7,677 $ 13,816 $ 48,256 $ 593,379 Special Mention - - - - - - - - Substandard - - - - - 235 - 235 Doubtful - - - - - - - - Total Real estate - construction $ 230,931 $ 222,357 $ 53,981 $ 16,361 $ 7,677 $ 14,051 $ 48,256 $ 593,614 Owner-occupied commercial Pass $ 351,808 $ 271,645 $ 221,513 $ 198,935 $ 158,531 $ 417,743 $ 61,119 $ 1,681,294 Special Mention - - - 6,524 543 1,873 200 9,140 Substandard - - 12 780 - 1,962 240 2,994 Doubtful - - - - - - - - Total Owner-occupied commercial $ 351,808 $ 271,645 $ 221,525 $ 206,239 $ 159,074 $ 421,578 $ 61,559 $ 1,693,428 1-4 family mortgage Pass $ 179,314 $ 111,016 $ 70,381 $ 60,774 $ 27,985 $ 44,111 $ 212,616 $ 706,197 Special Mention 508 - - 105 481 - 1,112 2,206 Substandard 350 126 - 235 218 - 2,360 3,289 Doubtful - - - - - - - - Total 1-4 family mortgage $ 180,172 $ 111,142 $ 70,381 $ 61,114 $ 28,684 $ 44,111 $ 216,088 $ 711,692 Other mortgage Pass $ 470,086 $ 470,092 $ 250,945 $ 368,283 $ 180,244 $ 272,722 $ 68,721 $ 2,081,093 Special Mention - - - 2,793 541 8,566 - 11,900 Substandard - 50 4,589 8,552 - - - 13,191 Doubtful - - - - - - - - Total Other mortgage $ 470,086 $ 470,142 $ 255,534 $ 379,628 $ 180,785 $ 281,288 $ 68,721 $ 2,106,184 Consumer Pass $ 20,410 $ 4,421 $ 1,551 $ 1,671 $ 1,031 $ 3,615 $ 32,125 $ 64,824 Special Mention - - 15 - 31 - - 46 Substandard - - - - - - - - Doubtful - - - - - - - - Total Consumer $ 20,410 $ 4,421 $ 1,566 $ 1,671 $ 1,062 $ 3,615 $ 32,125 $ 64,870 Total Loans Pass $ 2,512,890 $ 1,412,221 $ 828,209 $ 815,640 $ 465,361 $ 889,028 $ 1,410,930 $ 8,334,279 Special Mention 3,059 1,404 25 9,675 1,759 10,720 16,260 42,902 Substandard 919 10,815 5,218 15,014 1,181 4,235 51,125 88,507 Doubtful - - - - - - - - Total Loans $ 2,516,868 $ 1,424,440 $ 833,452 $ 840,329 $ 468,301 $ 903,983 $ 1,478,315 $ 8,465,688 Loans by performance status as of March 31, 2021 December 31, 2020 March 31, 2021 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 3,313,167 $ 9,926 $ 3,323,093 Real estate - construction 666,358 234 666,592 Real estate - mortgage: Owner-occupied commercial 1,696,686 2,009 1,698,695 1-4 family mortgage 684,917 923 685,840 Other mortgage 2,063,799 4,761 2,068,560 Total real estate - mortgage 4,445,402 7,693 4,453,095 Consumer 62,161 39 62,200 Total $ 8,487,088 $ 17,892 $ 8,504,980 December 31, 2020 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 3,284,180 $ 11,720 $ 3,295,900 Real estate - construction 593,380 234 593,614 Real estate - mortgage: Owner-occupied commercial 1,692,169 1,259 1,693,428 1-4 family mortgage 710,817 875 711,692 Other mortgage 2,101,379 4,805 2,106,184 Total real estate - mortgage 4,504,365 6,939 4,511,304 Consumer 64,809 61 64,870 Total $ 8,446,734 $ 18,954 $ 8,465,688 Loans by past due status as of March 31, 2021 December 31, 2020 March 31, 2021 Past Due Status (Accruing Loans) Total Past Total Nonaccrual 30-59 Days 60-89 Days 90+ Days Due Nonaccrual Current Total Loans With No ACL (In Thousands) Commercial, financial and agricultural $ 119 $ - $ 4 $ 123 $ 9,922 $ 3,313,048 $ 3,323,093 $ 6,946 Real estate - construction - - - - 234 666,358 666,592 - Real estate - mortgage: Owner-occupied commercial - - - - 2,009 1,696,686 1,698,695 1,229 1-4 family mortgage 782 178 - 960 923 683,957 685,840 327 Other mortgage 15 - 4,761 4,776 - 2,063,784 2,068,560 - Total real estate - mortgage 797 178 4,761 5,736 2,932 4,444,427 4,453,095 1,556 Consumer 89 10 39 138 - 62,062 62,200 - Total $ 1,005 $ 188 $ 4,804 $ 5,997 $ 13,088 $ 8,485,895 $ 8,504,980 $ 8,502 December 31, 2020 Past Due Status (Accruing Loans) Total Past Total Nonaccrual 30-59 Days 60-89 Days 90+ Days Due Nonaccrual Current Total Loans With No ACL (In Thousands) Commercial, financial and agricultural $ 92 $ 1,738 $ 11 $ 1,841 $ 11,709 $ 3,282,350 $ 3,295,900 $ 5,101 Real estate - construction - - - - 234 593,380 593,614 - Real estate - mortgage: Owner-occupied commercial - 995 - 995 1,259 1,691,174 1,693,428 467 1-4 family mortgage 61 1,073 104 1,238 771 709,683 711,692 512 Other mortgage 18 - 4,805 4,823 - 2,101,361 2,106,184 - Total real estate - mortgage 79 2,068 4,909 7,056 2,030 4,502,218 4,511,304 979 Consumer 64 13 61 138 - 64,732 64,870 - Total $ 235 $ 3,819 $ 4,981 $ 9,035 $ 13,973 $ 8,442,680 $ 8,465,688 $ 6,080 As described in Note 9 2016 13 January 1, 2020, not not The Company uses the discounted cash flow (“DCF”) method to estimate ACL for all loan pools except for commercial revolving lines of credit and credit cards. For all loan pools utilizing the DCF method, the Company utilizes and forecasts national unemployment rate as a loss driver. The Company also utilizes and forecasts GDP growth as a second March 31, 2021 December 31, 2020, twelve six The Company uses a loss-rate method to estimate expected credit losses for its commercial revolving lines of credit and credit card pools. The commercial revolving lines of credit pool incorporates a probability of default (“PD”) and loss given default (“LGD”) modeling approach. This approach involves estimating the pool average life and then using historical correlations of default and loss experience over time to calculate the lifetime PD and LGD. These two Each loan pool is adjusted for qualitative factors not Inherent risks in the loan portfolio will differ based on type of loan. Specific risk characteristics by loan portfolio segment are listed below: Commercial and industrial loans may may Real estate construction loans Real estate mortgage loans may Consumer loans The following table presents changes in the allowance for credit losses, and allowance for loan losses, segregated by loan type, for the three March 31, 2021 March 31, 2020. Commercial, financial and Real estate - Real estate - agricultural construction mortgage Consumer Total (In Thousands) Three Months Ended March 31, 2021 Allowance for credit losses: Balance at December 31, 2020 $ 36,370 $ 16,057 $ 33,722 $ 1,793 $ 87,942 Charge-offs (477 ) - (12 ) (87 ) (576 ) Recoveries 26 50 1 12 89 Provision 2,313 3,284 1,896 (42 ) 7,451 Balance at March 31, 2021 $ 38,232 $ 19,391 $ 35,607 $ 1,676 $ 94,906 Three Months Ended March 31, 2020 Allowance for loan losses: Balance at December 31, 2019 $ 43,666 $ 2,768 $ 29,653 $ 497 $ 76,584 Charge-offs (2,640 ) (454 ) (1,678 ) (58 ) (4,830 ) Recoveries 62 1 1 12 76 Provision 7,692 1,442 4,384 66 13,584 Balance at March 31, 2020 $ 48,780 $ 3,757 $ 32,360 $ 517 $ 85,414 The following table details the allowance for loan losses and recorded investment in loans by impairment evaluation method as of March 31, 2020, 310 2016 13: Commercial, financial and Real estate - Real estate - agricultural construction mortgage Consumer Total (In Thousands) Allowance for loan losses: Individually Evaluated for Impairment $ 8,840 $ 351 $ 931 $ - $ 10,122 Collectively Evaluated for Impairment 39,940 3,406 31,429 517 75,292 Loans: Ending Balance $ 2,771,307 $ 548,578 $ 4,188,539 $ 60,412 $ 7,568,836 Individually Evaluated for Impairment 44,868 1,834 13,815 9 60,526 Collectively Evaluated for Impairment 2,726,439 546,744 4,174,724 60,403 7,508,310 We maintain an allowance for credit losses on unfunded commercial lending commitments and letters of credit to provide for the risk of loss inherent in these arrangements. The allowance is computed using a methodology similar to that used to determine the allowance for credit losses for loans, modified to take into account the probability of a drawdown on the commitment. The allowance for credit losses on unfunded loan commitments is classified as a liability account on the balance sheet within other liabilities, while the corresponding provision for these credit losses is recorded as a component of other expense. The allowance for credit losses on unfunded commitments was $2.8 million at March 31, 2021 December 31, 2020. three March 31, 2021 March 31, 2020 January 1, 2020, 2020 not Loans that no Accounts ACL March 31, 2021 Real Estate Receivable Equipment Other Total Allocation (In Thousands) Commercial, financial and agricultural $ 13,987 $ 24,957 $ 17,742 $ 5,603 $ 62,289 $ 8,675 Real estate - construction 235 - - - 235 1 Real estate - mortgage: Owner-occupied commercial 2,007 729 - - 2,736 497 1-4 family mortgage 1,738 - - 25 1,763 - Other mortgage 13,079 - - - 13,079 - Total real estate - mortgage 16,824 729 - 25 17,578 497 Consumer - - - - - - Total $ 31,046 $ 25,686 $ 17,742 $ 5,628 $ 80,102 $ 9,173 Accounts ACL December 31, 2020 Real Estate Receivable Equipment Other Total Allocation (In Thousands) Commercial, financial and agricultural $ 19,373 $ 27,952 $ 16,877 $ 4,594 $ 68,796 $ 7,142 Real estate - construction 235 - - - 235 1 Real estate - mortgage: Owner-occupied commercial 2,012 971 - 12 2,995 499 1-4 family mortgage 3,264 - - 24 3,288 48 Other mortgage 13,191 - - - 13,191 - Total real estate - mortgage 18,467 971 - 36 19,474 547 Consumer - - - - - - Total $ 38,075 $ 28,923 $ 16,877 $ 4,630 $ 88,505 $ 7,690 On March 22, 2020, may 19. 4013 March 1, 2020 December 31, 2020 60 19 April 2020 4013 December 27, 2020, 2021, 4013 January 1, 2022 60 19 19 not 180 March 31, 2021, 19 19 March 31, 2021. Troubled Debt Restructurings (“TDR”) at March 31, 2021, December 31, 2020 March 31, 2020 March 31, 2021, December 31, 2020 March 31, 2020 March 31, 2021 March 31, 2020 Three Months Ended March 31, 2021 Pre- Post- Modification Modification Outstanding Outstanding Number of Recorded Recorded Contracts Investment Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural 2 $ 1,155 $ 1,155 Real estate - construction - - - Real estate - mortgage: Owner-occupied commercial 1 991 991 1-4 family mortgage - - - Other mortgage - - - Total real estate mortgage 1 991 991 Consumer - - - 3 $ 2,146 $ 2,146 Three Months Ended March 31, 2020 Pre- Post- Modification Modification Outstanding Outstanding Number of Recorded Recorded Contracts Investment Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural 1 $ 350 $ 350 Real estate - construction - - - Real estate - mortgage: Owner-occupied commercial - - - 1-4 family mortgage - - - Other mortgage - - - Total real estate mortgage - - - Consumer - - - 1 $ 350 $ 350 There were no loans which were modified in the previous twelve twelve three March 31, 2021 March 31, 2020. 90

Note 6 - Leases

Note 6 - Leases	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Lessee, Operating Leases [Text Block]	NOTE 6 LEASES The Company leases space under non-cancelable operating leases for several of its banking offices and certain office equipment. The leases have remaining terms up to 10 years. At March 31, 2021, December 31, 2020 Maturities of operating lease liabilities as of March 31, 2021 March 31, 2021 (In Thousands) 2021 (remaining) $ 3,055 2022 3,423 2023 3,061 2024 2,189 2025 2,157 thereafter 6,974 Total lease payments 20,859 Less: imputed interest (2,078 ) Present value of operating lease liabilities $ 18,782 As of March 31, 2021, Operating cash flows related to leases were $747,000 and $852,000 for the three March 31, 2021 2020, Lease costs during the three March 31, 2021 2020 Three Months Ended March 31, 2021 2020 Operating lease cost $ 899 $ 873 Short-term lease cost - 16 Variable lease cost 81 44 Sublease income (19 ) (16 ) Net lease cost $ 961 $ 917

Note 7 - Employee and Director

Note 7 - Employee and Director Benefits	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	NOTE 7 Stock Options At March 31, 2021, three March 31, 2021 2020, The Company’s 2009 ten The Company estimates the fair value of each stock option award using a Black-Scholes-Merton valuation model which incorporates the assumptions noted in the following table. Expected volatilities are based on an index of southeastern United States publicly traded banks. The expected term for options granted is based on the short-cut method and represents the period of time that options granted are expected to be outstanding. The risk-free rate for periods within the contractual life of the option is based on the U. S. Treasury yield curve in effect at the time of grant. 2021 Expected volatility 40.00 % Expected dividends 1.78 % Expected term (in years) 7.5 Risk-free rate 2.43 % The weighted average grant-date fair value of options granted during the three March 31, 2021 three March 31, 2020. The following table summarizes stock option activity during the three March 31, 2021 2020: Weighted Weighted Average Average Remaining Exercise Contractual Aggregate Shares Price Term (years) Intrinsic Value (In Thousands) Three Months Ended March 31, 2021: Outstanding January 1, 2021 640,950 $ 18.14 4.6 $ 16,981 Granted 500 32.60 8.2 14 Exercised (187,500 ) 9.92 3.3 9,639 Forfeited (6,000 ) 5.82 0.8 79 Outstanding March 31, 2021 447,950 19.64 4.6 $ 14,859 Exercisable March 31, 2021 329,700 $ 13.57 3.7 $ 15,962 Three Months Ended March 31, 2020: Outstanding January 1, 2020 965,248 $ 15.19 4.9 $ 21,911 Granted - - - - Exercised (216,000 ) 10.47 3.3 4,072 Forfeited (18,000 ) 30.79 6.9 26 Outstanding March 31, 2020 731,248 17.68 5.4 $ 12,969 Exercisable March 31, 2020 210,500 $ 16.54 5.0 $ 7,146 As of March 31, 2021, Restricted Stock and Performance Shares The Company periodically grants restricted stock awards that vest upon time-based service conditions. Dividend payments are made during the vesting period. The value of restricted stock is determined to be the current value of the Company’s stock, and this total value will be recognized as compensation expense over the vesting period. As of March 31, 2021, The Company periodically grants performance shares that give plan participants the opportunity to earn between 0% and 150% of the number of performance shares granted based on achieving certain performance metrics. The number of performance shares earned is determined by reference to the Company’s total shareholder return relative to a peer group of other publicly traded banks and bank holding companies during the performance period. The performance period is generally three Restricted Stock Performance Shares Shares Weighted Average Grant Date Fair Value Shares Weighted Average Grant Date Fair Value Three Months Ended March 31, 2021: Non-vested at January 1, 2021 84,307 $ 34.92 - $ - Granted 48,217 42.07 12,437 37.05 Vested (5,158 ) 22.72 - - Forfeited (5,575 ) 38.96 - - Non-vested at March 31, 2021 121,791 38.08 12,437 37.05 Three Months Ended March 31, 2020: Non-vested at January 1, 2020 71,290 $ 31.53 - $ - Granted 15,300 39.45 - - Vested (8,376 ) 18.64 - - Forfeited - - - - Non-vested at March 31, 2020 78,214 34.46 - -

Note 8 - Derivatives

Note 8 - Derivatives	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	NOTE 8 The Company periodically enters into derivative contracts to manage exposures to movements in interest rates. The Company purchased an interest rate cap in May 2020 not one March 31, 2021 five The Company has entered into agreements with secondary market investors to deliver loans on a “best efforts delivery” basis. When a rate is committed to a borrower, it is based on the best price that day and locked with the investor for the customer for a 30 not no March 31, 2021 December 31, 2020 not

Note 9 - Recently Adopted Accou

Note 9 - Recently Adopted Accounting Pronouncements	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Accounting Standards Update and Change in Accounting Principle [Text Block]	NOTE 9 RECENTLY ADOPTED ACCOUNTING PRONOUNCEMENTS In June 2016, 2016 13, Financial Instruments-Credit Losses (Topic 326 326 March 27, 2020, 19 December 31, 2020, January 1, 2020. January 1, 2020 326, 2020, not January 1, 2020, In March 2020, 2020 04, Reference Rate Reform (Topic 848 March 12, 2020 December 31, 2022.

Note 10 - Recent Accounting Pro

Note 10 - Recent Accounting Pronouncements	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Accounting Changes and Error Corrections [Text Block]	NOTE 10 RECENT ACCOUNTING PRONOUNCEMENTS In August 2020 , 2020 06, Debt-Debt with Conversion and Other Options (Topic 470 Contracts in Entity s Own Equity (Topic 815 s Own Equity. no December 15, 2021 , not not

Note 11 - Fair Value Measuremen

Note 11 - Fair Value Measurement	3 Months Ended
	Mar. 31, 2021
Notes to Financial Statements
Fair Value Disclosures [Text Block]	NOTE 11 Measurement of fair value under U.S. GAAP establishes a hierarchy that prioritizes observable and unobservable inputs used to measure fair value, as of the measurement date, into three Level 1: Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. The fair value hierarchy gives the highest priority to Level 1 Level 2: Observable prices that are based on inputs not Level 3: Unobservable inputs are used when little or no 3 In determining fair value, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs to the extent possible and also considers counterparty credit risk in its assessment of fair value. Debt Securities. 1 1 not may 2 2 not 3 March 31, 2021 3% Derivative instruments. 2 Loans Individually Evaluated. not not 820 10 3 March 31, 2021 December 31, 2020 three March 31, 2021, three March 31, 2020. Other Real Estate Owned not March 31, 2021 December 31, 2020 3 three March 31, 2021 2020, 3 There was one March 31, 2021, one December 31, 2020. One residential real estate loan for $928,000 was in the process of being foreclosed as of March 31, 2021. December 31, 2020. The following table presents the Company’s financial assets carried at fair value on a recurring basis as of March 31, 2021 December 31, 2020. March 31, 2021 December 31, 2020. Fair Value Measurements at March 31, 2021 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Inputs Unobservable Assets (Level 1) (Level 2) Inputs (Level 3) Total Assets Measured on a Recurring Basis: (In Thousands) Available for sale debt securities: U.S. Treasury securities $ - $ 14,296 $ - $ 14,296 Government agency securities - 12,190 - 12,190 Mortgage-backed securities - 569,542 - 569,542 State and municipal securities - 33,522 - 33,522 Corporate debt - 322,028 10,301 332,329 Total available-for-sale debt securities - 951,578 10,301 961,879 Interest rate cap derivative - 414 - 414 Total assets at fair value $ - $ 951,992 $ 10,301 $ 962,293 Fair Value Measurements at December 31, 2020 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Inputs Unobservable Assets (Level 1) (Level 2) Inputs (Level 3) Total Assets Measured on a Recurring Basis: (In Thousands) Available for sale debt securities: U.S. Treasury securities $ - $ 14,357 $ - $ 14,357 Government agency securities - 15,458 - 15,458 Mortgage-backed securities - 495,109 - 495,109 State and municipal securities - 38,115 - 38,115 Corporate debt - 323,649 - 323,649 Total available-for-sale debt securities - 886,688 - 886,688 Interest rate cap derivative - 139 - 139 Total assets at fair value $ - $ 886,827 $ - $ 886,827 During the three March 31, 2021, two 3 one The following table presents the Company’s financial assets carried at fair value on a nonrecurring basis as of March 31, 2021 December 31, 2020. no March 31, 2021 December 31, 2020. Fair Value Measurements at March 31, 2021 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Unobservable Assets (Level 1) Inputs (Level 2) Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Loans individually evaluated $ - $ - $ 70,929 $ 70,929 Other real estate owned and repossessed assets - - 2,067 2,067 Total assets at fair value $ - $ - $ 72,996 $ 72,996 Fair Value Measurements at December 31, 2020 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Unobservable Assets (Level 1) Inputs (Level 2) Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Loans individually evaluated $ - $ - $ 80,817 $ 80,817 Other real estate owned - - 6,497 6,497 Total assets at fair value $ - $ - $ 87,314 $ 87,314 The fair value of a financial instrument is the current amount that would be exchanged in a sale 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 may not The estimated fair values of the Company’s financial instruments not March 31, 2021 December 31, 2020 March 31, 2021 December 31, 2020 Carrying Carrying Amount Fair Value Amount Fair Value (In Thousands) Financial Assets: Level 1 inputs: Cash and cash equivalents $ 2,808,153 $ 2,808,153 $ 2,209,640 $ 2,209,640 Level 2 inputs: Federal funds sold 1,577 1,577 1,771 1,771 Mortgage loans held for sale 15,834 15,551 14,425 14,497 Level 3 Inputs: Held to maturity debt securities 250 250 250 250 Loans, net 8,410,074 8,428,969 8,377,746 8,387,718 Financial Liabilities: Level 2 inputs: Deposits $ 10,577,610 $ 10,587,038 $ 9,975,724 $ 9,987,665 Federal funds purchased 911,558 911,558 851,545 851,545 Other borrowings 64,691 65,548 64,748 65,560

Note 3 - Earnings Per Common _2

Note 3 - Earnings Per Common Share (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended March 31, 2021 2020 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 54,050,670 53,704,224 Net income available to common stockholders $ 51,455 $ 34,778 Basic earnings per common share $ 0.95 $ 0.65 Weighted average common shares outstanding 54,050,670 53,704,224 Dilutive effects of assumed conversions and exercise of stock options and warrants 331,321 463,190 Weighted average common and dilutive potential common shares outstanding 54,381,991 54,167,414 Net income available to common stockholders $ 51,455 $ 34,778 Diluted earnings per common share $ 0.95 $ 0.64

Note 4 - Securities (Tables)

Note 4 - Securities (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Unrealized Gain (Loss) on Investments [Table Text Block]	Amortized Cost Gross Unrealized Gain Gross Unrealized Loss Allowance For Credit Losses Fair Value March 31, 2021 (In Thousands) Available for sale debt securities U.S. Treasury Securities $ 13,995 $ 301 $ - $ - $ 14,296 Government Agency Securities 12,020 170 - - 12,190 Mortgage-backed securities 558,985 13,352 (2,795 ) - 569,542 State and municipal securities 33,408 303 (189 ) - 33,522 Corporate debt 322,320 10,288 (279 ) - 332,329 Total $ 940,728 $ 24,414 $ (3,263 ) $ - $ 961,879 Held to maturity debt securities State and municipal securities $ 250 $ - $ - $ - $ 250 Total $ 250 $ - $ - $ - $ 250 December 31, 2020 Available for sale debt securities U.S. Treasury Securities $ 13,993 $ 364 $ - $ - $ 14,357 Government Agency Securities 15,228 230 - - 15,458 Mortgage-backed securities 477,407 17,720 (18 ) - 495,109 State and municipal securities 37,671 444 - - 38,115 Corporate debt 316,857 7,296 (504 ) - 323,649 Total $ 861,156 $ 26,054 $ (522 ) $ - $ 886,688 Held to maturity debt securities State and municipal securities $ 250 $ - $ - $ - $ 250 Total $ 250 $ - $ - $ - $ 250
Fair Value, Assets Measured on Recurring Basis [Table Text Block]	March 31, 2021 December 31, 2020 Amortized Cost Fair Value Amortized Cost Fair Value (In thousands) Available for sale debt securities Due within one year $ 32,331 $ 32,623 $ 30,797 $ 31,060 Due from one to five years 51,309 52,954 59,828 61,481 Due from five to ten years 293,965 302,644 288,002 293,886 Due after ten years 4,138 4,116 5,122 5,152 Mortgage-backed securities 558,985 569,542 477,407 495,109 $ 940,728 $ 961,879 $ 861,156 $ 886,688 Held to maturity debt securities Due from one to five years $ 250 $ 250 $ 250 $ 250 $ 250 $ 250 $ 250 $ 250
Gain (Loss) on Securities [Table Text Block]	Less Than Twelve Months Twelve Months or More Total Gross Gross Gross Unrealized Unrealized Unrealized Losses Fair Value Losses Fair Value Losses Fair Value (In Thousands) March 31, 2021 Mortgage-backed securities $ (2,795 ) $ 191,402 $ - $ - $ (2,795 ) $ 191,402 State and municipal securities (189 ) 5,467 - - (189 ) 5,467 Corporate debt (234 ) 29,836 (45 ) 1,990 (279 ) 31,826 Total $ (3,218 ) $ 226,705 $ (45 ) $ 1,990 $ (3,263 ) $ 228,694 December 31, 2020 Mortgage-backed securities $ (18 ) $ 3,667 $ - $ - $ (18 ) $ 3,667 Corporate debt (504 ) 59,576 - - (504 ) 59,576 Total $ (522 ) $ 63,243 $ - $ - $ (522 ) $ 63,243

Note 5 - Loans (Tables)

Note 5 - Loans (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	March 31, December 31, 2021 2020 (Dollars In Thousands) Commercial, financial and agricultural $ 3,323,093 $ 3,295,900 Real estate - construction 666,592 593,614 Real estate - mortgage: Owner-occupied commercial 1,698,695 1,693,428 1-4 family mortgage 685,840 711,692 Other mortgage 2,068,560 2,106,184 Subtotal: Real estate - mortgage 4,453,095 4,511,304 Consumer 62,200 64,870 Total Loans 8,504,980 8,465,688 Less: Allowance for credit losses (94,906 ) (87,942 ) Net Loans $ 8,410,074 $ 8,377,746 Commercial, financial and agricultural 39.07 % 38.93 % Real estate - construction 7.84 % 7.01 % Real estate - mortgage: Owner-occupied commercial 19.97 % 20.00 % 1-4 family mortgage 8.07 % 8.41 % Other mortgage 24.32 % 24.88 % Subtotal: Real estate - mortgage 52.36 % 53.29 % Consumer 0.73 % 0.77 % Total Loans 100.00 % 100.00 %
Financing Receivable Based on Year of Origination [Table Text Block]	Revolving March 31, 2021 2021 2020 2019 2018 2017 Prior Loans Total (In Thousands) Commercial, financial and agricultural Pass $ 451,136 $ 942,305 $ 305,491 $ 202,837 $ 153,959 $ 196,657 $ 993,613 $ 3,245,998 Special Mention 557 1,430 227 9 1,386 384 10,814 14,807 Substandard - 559 10,570 567 3,741 2,570 44,281 62,288 Doubtful - - - - - - - - Total Commercial, financial and agricultural $ 451,693 $ 944,294 $ 316,288 $ 203,413 $ 159,086 $ 199,611 $ 1,048,708 $ 3,323,093 Real estate - construction Pass $ 40,168 $ 250,260 $ 238,486 $ 54,129 $ 15,879 $ 19,009 $ 48,426 $ 666,357 Special Mention - - - - - - - - Substandard - - - - - 235 - 235 Doubtful - - - - - - - - Total Real estate - construction $ 40,168 $ 250,260 $ 238,486 $ 54,129 $ 15,879 $ 19,244 $ 48,426 $ 666,592 Owner-occupied commercial Pass $ 51,008 $ 364,982 $ 263,789 $ 207,599 $ 199,276 $ 551,086 $ 55,790 $ 1,693,530 Special Mention - - - - 289 1,941 200 2,430 Substandard - - - - 780 1,716 239 2,735 Doubtful - - - - - - - - Total Owner-occupied commercial $ 51,008 $ 364,982 $ 263,789 $ 207,599 $ 200,345 $ 554,743 $ 56,229 $ 1,698,695 1-4 family mortgage Pass $ 34,862 $ 170,574 $ 99,727 $ 65,064 $ 50,130 $ 61,073 $ 199,658 $ 681,088 Special Mention - 680 433 129 104 481 1,111 2,938 Substandard - 150 367 - 233 217 847 1,814 Doubtful - - - - - - - - Total 1-4 family mortgage $ 34,862 $ 171,404 $ 100,527 $ 65,193 $ 50,467 $ 61,771 $ 201,616 $ 685,840 Other mortgage Pass $ 90,376 $ 458,320 $ 442,499 $ 216,211 $ 333,266 $ 431,485 $ 71,610 $ 2,043,767 Special Mention - - - - 2,775 8,989 - 11,764 Substandard - - - 4,567 8,462 - - 13,029 Doubtful - - - - - - - - Total Other mortgage $ 90,376 $ 458,320 $ 442,499 $ 220,778 $ 344,503 $ 440,474 $ 71,610 $ 2,068,560 Consumer Pass $ 3,588 $ 16,111 $ 3,990 $ 1,332 $ 1,311 $ 4,373 $ 31,451 $ 62,156 Special Mention - - - 13 - 31 - 44 Substandard - - - - - - - - Doubtful - - - - - - - - Total Consumer $ 3,588 $ 16,111 $ 3,990 $ 1,345 $ 1,311 $ 4,404 $ 31,451 $ 62,200 Total Loans Pass $ 671,138 $ 2,202,552 $ 1,353,982 $ 747,172 $ 753,821 $ 1,263,683 $ 1,400,548 $ 8,392,896 Special Mention 557 2,110 660 151 4,554 11,826 12,125 31,983 Substandard - 709 10,937 5,134 13,216 4,738 45,367 80,101 Doubtful - - - - - - - - Total Loans $ 671,695 $ 2,205,371 $ 1,365,579 $ 752,457 $ 771,591 $ 1,280,247 $ 1,458,040 $ 8,504,980 Revolving December 31, 2020 2020 2019 2018 2017 2016 Prior Loans Total (In Thousands) Commercial, financial and agricultural Pass $ 1,260,341 $ 332,690 $ 229,838 $ 169,616 $ 89,893 $ 137,021 $ 988,093 $ 3,207,492 Special Mention 2,551 1,404 10 253 163 281 14,948 19,610 Substandard 569 10,639 617 5,447 963 2,038 48,525 68,798 Doubtful - - - - - - - - Total Commercial, financial and agricultural $ 1,263,461 $ 344,733 $ 230,465 $ 175,316 $ 91,019 $ 139,340 $ 1,051,566 $ 3,295,900 Real estate - construction Pass $ 230,931 $ 222,357 $ 53,981 $ 16,361 $ 7,677 $ 13,816 $ 48,256 $ 593,379 Special Mention - - - - - - - - Substandard - - - - - 235 - 235 Doubtful - - - - - - - - Total Real estate - construction $ 230,931 $ 222,357 $ 53,981 $ 16,361 $ 7,677 $ 14,051 $ 48,256 $ 593,614 Owner-occupied commercial Pass $ 351,808 $ 271,645 $ 221,513 $ 198,935 $ 158,531 $ 417,743 $ 61,119 $ 1,681,294 Special Mention - - - 6,524 543 1,873 200 9,140 Substandard - - 12 780 - 1,962 240 2,994 Doubtful - - - - - - - - Total Owner-occupied commercial $ 351,808 $ 271,645 $ 221,525 $ 206,239 $ 159,074 $ 421,578 $ 61,559 $ 1,693,428 1-4 family mortgage Pass $ 179,314 $ 111,016 $ 70,381 $ 60,774 $ 27,985 $ 44,111 $ 212,616 $ 706,197 Special Mention 508 - - 105 481 - 1,112 2,206 Substandard 350 126 - 235 218 - 2,360 3,289 Doubtful - - - - - - - - Total 1-4 family mortgage $ 180,172 $ 111,142 $ 70,381 $ 61,114 $ 28,684 $ 44,111 $ 216,088 $ 711,692 Other mortgage Pass $ 470,086 $ 470,092 $ 250,945 $ 368,283 $ 180,244 $ 272,722 $ 68,721 $ 2,081,093 Special Mention - - - 2,793 541 8,566 - 11,900 Substandard - 50 4,589 8,552 - - - 13,191 Doubtful - - - - - - - - Total Other mortgage $ 470,086 $ 470,142 $ 255,534 $ 379,628 $ 180,785 $ 281,288 $ 68,721 $ 2,106,184 Consumer Pass $ 20,410 $ 4,421 $ 1,551 $ 1,671 $ 1,031 $ 3,615 $ 32,125 $ 64,824 Special Mention - - 15 - 31 - - 46 Substandard - - - - - - - - Doubtful - - - - - - - - Total Consumer $ 20,410 $ 4,421 $ 1,566 $ 1,671 $ 1,062 $ 3,615 $ 32,125 $ 64,870 Total Loans Pass $ 2,512,890 $ 1,412,221 $ 828,209 $ 815,640 $ 465,361 $ 889,028 $ 1,410,930 $ 8,334,279 Special Mention 3,059 1,404 25 9,675 1,759 10,720 16,260 42,902 Substandard 919 10,815 5,218 15,014 1,181 4,235 51,125 88,507 Doubtful - - - - - - - - Total Loans $ 2,516,868 $ 1,424,440 $ 833,452 $ 840,329 $ 468,301 $ 903,983 $ 1,478,315 $ 8,465,688
Financing Receivable, Credit Substitute, Credit Quality Indicator [Table Text Block]	March 31, 2021 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 3,313,167 $ 9,926 $ 3,323,093 Real estate - construction 666,358 234 666,592 Real estate - mortgage: Owner-occupied commercial 1,696,686 2,009 1,698,695 1-4 family mortgage 684,917 923 685,840 Other mortgage 2,063,799 4,761 2,068,560 Total real estate - mortgage 4,445,402 7,693 4,453,095 Consumer 62,161 39 62,200 Total $ 8,487,088 $ 17,892 $ 8,504,980 December 31, 2020 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 3,284,180 $ 11,720 $ 3,295,900 Real estate - construction 593,380 234 593,614 Real estate - mortgage: Owner-occupied commercial 1,692,169 1,259 1,693,428 1-4 family mortgage 710,817 875 711,692 Other mortgage 2,101,379 4,805 2,106,184 Total real estate - mortgage 4,504,365 6,939 4,511,304 Consumer 64,809 61 64,870 Total $ 8,446,734 $ 18,954 $ 8,465,688
Financing Receivable, Past Due [Table Text Block]	March 31, 2021 Past Due Status (Accruing Loans) Total Past Total Nonaccrual 30-59 Days 60-89 Days 90+ Days Due Nonaccrual Current Total Loans With No ACL (In Thousands) Commercial, financial and agricultural $ 119 $ - $ 4 $ 123 $ 9,922 $ 3,313,048 $ 3,323,093 $ 6,946 Real estate - construction - - - - 234 666,358 666,592 - Real estate - mortgage: Owner-occupied commercial - - - - 2,009 1,696,686 1,698,695 1,229 1-4 family mortgage 782 178 - 960 923 683,957 685,840 327 Other mortgage 15 - 4,761 4,776 - 2,063,784 2,068,560 - Total real estate - mortgage 797 178 4,761 5,736 2,932 4,444,427 4,453,095 1,556 Consumer 89 10 39 138 - 62,062 62,200 - Total $ 1,005 $ 188 $ 4,804 $ 5,997 $ 13,088 $ 8,485,895 $ 8,504,980 $ 8,502 December 31, 2020 Past Due Status (Accruing Loans) Total Past Total Nonaccrual 30-59 Days 60-89 Days 90+ Days Due Nonaccrual Current Total Loans With No ACL (In Thousands) Commercial, financial and agricultural $ 92 $ 1,738 $ 11 $ 1,841 $ 11,709 $ 3,282,350 $ 3,295,900 $ 5,101 Real estate - construction - - - - 234 593,380 593,614 - Real estate - mortgage: Owner-occupied commercial - 995 - 995 1,259 1,691,174 1,693,428 467 1-4 family mortgage 61 1,073 104 1,238 771 709,683 711,692 512 Other mortgage 18 - 4,805 4,823 - 2,101,361 2,106,184 - Total real estate - mortgage 79 2,068 4,909 7,056 2,030 4,502,218 4,511,304 979 Consumer 64 13 61 138 - 64,732 64,870 - Total $ 235 $ 3,819 $ 4,981 $ 9,035 $ 13,973 $ 8,442,680 $ 8,465,688 $ 6,080
Financing Receivable, Allowance for Credit Loss [Table Text Block]	Commercial, financial and Real estate - Real estate - agricultural construction mortgage Consumer Total (In Thousands) Three Months Ended March 31, 2021 Allowance for credit losses: Balance at December 31, 2020 $ 36,370 $ 16,057 $ 33,722 $ 1,793 $ 87,942 Charge-offs (477 ) - (12 ) (87 ) (576 ) Recoveries 26 50 1 12 89 Provision 2,313 3,284 1,896 (42 ) 7,451 Balance at March 31, 2021 $ 38,232 $ 19,391 $ 35,607 $ 1,676 $ 94,906 Three Months Ended March 31, 2020 Allowance for loan losses: Balance at December 31, 2019 $ 43,666 $ 2,768 $ 29,653 $ 497 $ 76,584 Charge-offs (2,640 ) (454 ) (1,678 ) (58 ) (4,830 ) Recoveries 62 1 1 12 76 Provision 7,692 1,442 4,384 66 13,584 Balance at March 31, 2020 $ 48,780 $ 3,757 $ 32,360 $ 517 $ 85,414 Commercial, financial and Real estate - Real estate - agricultural construction mortgage Consumer Total (In Thousands) Allowance for loan losses: Individually Evaluated for Impairment $ 8,840 $ 351 $ 931 $ - $ 10,122 Collectively Evaluated for Impairment 39,940 3,406 31,429 517 75,292 Loans: Ending Balance $ 2,771,307 $ 548,578 $ 4,188,539 $ 60,412 $ 7,568,836 Individually Evaluated for Impairment 44,868 1,834 13,815 9 60,526 Collectively Evaluated for Impairment 2,726,439 546,744 4,174,724 60,403 7,508,310
Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]	Accounts ACL March 31, 2021 Real Estate Receivable Equipment Other Total Allocation (In Thousands) Commercial, financial and agricultural $ 13,987 $ 24,957 $ 17,742 $ 5,603 $ 62,289 $ 8,675 Real estate - construction 235 - - - 235 1 Real estate - mortgage: Owner-occupied commercial 2,007 729 - - 2,736 497 1-4 family mortgage 1,738 - - 25 1,763 - Other mortgage 13,079 - - - 13,079 - Total real estate - mortgage 16,824 729 - 25 17,578 497 Consumer - - - - - - Total $ 31,046 $ 25,686 $ 17,742 $ 5,628 $ 80,102 $ 9,173 Accounts ACL December 31, 2020 Real Estate Receivable Equipment Other Total Allocation (In Thousands) Commercial, financial and agricultural $ 19,373 $ 27,952 $ 16,877 $ 4,594 $ 68,796 $ 7,142 Real estate - construction 235 - - - 235 1 Real estate - mortgage: Owner-occupied commercial 2,012 971 - 12 2,995 499 1-4 family mortgage 3,264 - - 24 3,288 48 Other mortgage 13,191 - - - 13,191 - Total real estate - mortgage 18,467 971 - 36 19,474 547 Consumer - - - - - - Total $ 38,075 $ 28,923 $ 16,877 $ 4,630 $ 88,505 $ 7,690
Financing Receivable, Troubled Debt Restructuring [Table Text Block]	Three Months Ended March 31, 2021 Pre- Post- Modification Modification Outstanding Outstanding Number of Recorded Recorded Contracts Investment Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural 2 $ 1,155 $ 1,155 Real estate - construction - - - Real estate - mortgage: Owner-occupied commercial 1 991 991 1-4 family mortgage - - - Other mortgage - - - Total real estate mortgage 1 991 991 Consumer - - - 3 $ 2,146 $ 2,146 Three Months Ended March 31, 2020 Pre- Post- Modification Modification Outstanding Outstanding Number of Recorded Recorded Contracts Investment Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural 1 $ 350 $ 350 Real estate - construction - - - Real estate - mortgage: Owner-occupied commercial - - - 1-4 family mortgage - - - Other mortgage - - - Total real estate mortgage - - - Consumer - - - 1 $ 350 $ 350

Note 6 - Leases (Tables)

Note 6 - Leases (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	March 31, 2021 (In Thousands) 2021 (remaining) $ 3,055 2022 3,423 2023 3,061 2024 2,189 2025 2,157 thereafter 6,974 Total lease payments 20,859 Less: imputed interest (2,078 ) Present value of operating lease liabilities $ 18,782
Lease, Cost [Table Text Block]	Three Months Ended March 31, 2021 2020 Operating lease cost $ 899 $ 873 Short-term lease cost - 16 Variable lease cost 81 44 Sublease income (19 ) (16 ) Net lease cost $ 961 $ 917

Note 7 - Employee and Directo_2

Note 7 - Employee and Director Benefits (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	2021 Expected volatility 40.00 % Expected dividends 1.78 % Expected term (in years) 7.5 Risk-free rate 2.43 %
Share-based Payment Arrangement, Option, Activity [Table Text Block]	Weighted Weighted Average Average Remaining Exercise Contractual Aggregate Shares Price Term (years) Intrinsic Value (In Thousands) Three Months Ended March 31, 2021: Outstanding January 1, 2021 640,950 $ 18.14 4.6 $ 16,981 Granted 500 32.60 8.2 14 Exercised (187,500 ) 9.92 3.3 9,639 Forfeited (6,000 ) 5.82 0.8 79 Outstanding March 31, 2021 447,950 19.64 4.6 $ 14,859 Exercisable March 31, 2021 329,700 $ 13.57 3.7 $ 15,962 Three Months Ended March 31, 2020: Outstanding January 1, 2020 965,248 $ 15.19 4.9 $ 21,911 Granted - - - - Exercised (216,000 ) 10.47 3.3 4,072 Forfeited (18,000 ) 30.79 6.9 26 Outstanding March 31, 2020 731,248 17.68 5.4 $ 12,969 Exercisable March 31, 2020 210,500 $ 16.54 5.0 $ 7,146
Share-based Payment Arrangement, Outstanding Award, Activity, Excluding Option [Table Text Block]	Restricted Stock Performance Shares Shares Weighted Average Grant Date Fair Value Shares Weighted Average Grant Date Fair Value Three Months Ended March 31, 2021: Non-vested at January 1, 2021 84,307 $ 34.92 - $ - Granted 48,217 42.07 12,437 37.05 Vested (5,158 ) 22.72 - - Forfeited (5,575 ) 38.96 - - Non-vested at March 31, 2021 121,791 38.08 12,437 37.05 Three Months Ended March 31, 2020: Non-vested at January 1, 2020 71,290 $ 31.53 - $ - Granted 15,300 39.45 - - Vested (8,376 ) 18.64 - - Forfeited - - - - Non-vested at March 31, 2020 78,214 34.46 - -

Note 11 - Fair Value Measurem_2

Note 11 - Fair Value Measurement (Tables)	3 Months Ended
	Mar. 31, 2021
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Fair Value Measurements at March 31, 2021 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Inputs Unobservable Assets (Level 1) (Level 2) Inputs (Level 3) Total Assets Measured on a Recurring Basis: (In Thousands) Available for sale debt securities: U.S. Treasury securities $ - $ 14,296 $ - $ 14,296 Government agency securities - 12,190 - 12,190 Mortgage-backed securities - 569,542 - 569,542 State and municipal securities - 33,522 - 33,522 Corporate debt - 322,028 10,301 332,329 Total available-for-sale debt securities - 951,578 10,301 961,879 Interest rate cap derivative - 414 - 414 Total assets at fair value $ - $ 951,992 $ 10,301 $ 962,293 Fair Value Measurements at December 31, 2020 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Inputs Unobservable Assets (Level 1) (Level 2) Inputs (Level 3) Total Assets Measured on a Recurring Basis: (In Thousands) Available for sale debt securities: U.S. Treasury securities $ - $ 14,357 $ - $ 14,357 Government agency securities - 15,458 - 15,458 Mortgage-backed securities - 495,109 - 495,109 State and municipal securities - 38,115 - 38,115 Corporate debt - 323,649 - 323,649 Total available-for-sale debt securities - 886,688 - 886,688 Interest rate cap derivative - 139 - 139 Total assets at fair value $ - $ 886,827 $ - $ 886,827
Fair Value Measurements, Nonrecurring [Table Text Block]	Fair Value Measurements at March 31, 2021 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Unobservable Assets (Level 1) Inputs (Level 2) Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Loans individually evaluated $ - $ - $ 70,929 $ 70,929 Other real estate owned and repossessed assets - - 2,067 2,067 Total assets at fair value $ - $ - $ 72,996 $ 72,996 Fair Value Measurements at December 31, 2020 Using Quoted Prices in Active Markets Significant Other Significant for Identical Observable Unobservable Assets (Level 1) Inputs (Level 2) Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Loans individually evaluated $ - $ - $ 80,817 $ 80,817 Other real estate owned - - 6,497 6,497 Total assets at fair value $ - $ - $ 87,314 $ 87,314
Fair Value, by Balance Sheet Grouping [Table Text Block]	March 31, 2021 December 31, 2020 Carrying Carrying Amount Fair Value Amount Fair Value (In Thousands) Financial Assets: Level 1 inputs: Cash and cash equivalents $ 2,808,153 $ 2,808,153 $ 2,209,640 $ 2,209,640 Level 2 inputs: Federal funds sold 1,577 1,577 1,771 1,771 Mortgage loans held for sale 15,834 15,551 14,425 14,497 Level 3 Inputs: Held to maturity debt securities 250 250 250 250 Loans, net 8,410,074 8,428,969 8,377,746 8,387,718 Financial Liabilities: Level 2 inputs: Deposits $ 10,577,610 $ 10,587,038 $ 9,975,724 $ 9,987,665 Federal funds purchased 911,558 911,558 851,545 851,545 Other borrowings 64,691 65,548 64,748 65,560

Note 3 - Earnings Per Common _3

Note 3 - Earnings Per Common Share - Summary of Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Weighted average common shares outstanding (in shares)	54,050,670	53,704,224
Net income available to common stockholders	$ 51,455	$ 34,778
Basic earnings per common share (in dollars per share)	$ 0.95	$ 0.65
Dilutive effects of assumed conversions and exercise of stock options and warrants (in shares)	331,321	463,190
Weighted average common and dilutive potential common shares outstanding (in shares)	54,381,991	54,167,414
Net income available to common stockholders	$ 51,455	$ 34,778
Diluted earnings per common share (in dollars per share)	$ 0.95	$ 0.64

Note 4 - Securities (Details Te

Note 4 - Securities (Details Textual) Pure in Thousands, $ in Millions	Mar. 31, 2021USD ($)	Dec. 31, 2020USD ($)
Pledged Financial Instruments, Not Separately Reported, Securities, Total	$ 468.7	$ 477.6
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	0
Available for Sale Securities Debt Securities, Number of Positions	0

Note 4 - Securities - Amortized

Note 4 - Securities - Amortized Cost and Fair Value of Available-for-sale and Held-to-maturity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Available for sale, amortized cost	$ 940,728	$ 861,156
Available for sale, gross unrealized gain	24,414	26,054
Available for sale, gross unrealized loss	(3,263)	(522)
Available for sale, fair value	961,879	886,688	[1]
Held to maturity, amortized cost	250	250
Held to maturity, gross unrealized gain	0	0
Held to maturity, gross unrealized loss	0	0
Held to maturity debt securities, fair value	250	250	[1]
US Treasury Securities [Member]
Available for sale, amortized cost	13,995	13,993
Available for sale, gross unrealized gain	301	364
Available for sale, gross unrealized loss	0	0
Available for sale, fair value	14,296	14,357
US Government Agencies Debt Securities [Member]
Available for sale, amortized cost	12,020	15,228
Available for sale, gross unrealized gain	170	230
Available for sale, gross unrealized loss	0	0
Available for sale, fair value	12,190	15,458
Collateralized Mortgage Backed Securities [Member]
Available for sale, amortized cost	558,985	477,407
Available for sale, gross unrealized gain	13,352	17,720
Available for sale, gross unrealized loss	(2,795)	(18)
Available for sale, fair value	569,542	495,109
US States and Political Subdivisions Debt Securities [Member]
Available for sale, amortized cost	33,408	37,671
Available for sale, gross unrealized gain	303	444
Available for sale, gross unrealized loss	(189)	0
Available for sale, fair value	33,522	38,115
Held to maturity, amortized cost	250	250
Held to maturity, gross unrealized gain	0	0
Held to maturity, gross unrealized loss	0	0
Held to maturity debt securities, fair value	250	250
Corporate Debt Securities [Member]
Available for sale, amortized cost	322,320	316,857
Available for sale, gross unrealized gain	10,288	7,296
Available for sale, gross unrealized loss	(279)	(504)
Available for sale, fair value	$ 332,329	$ 323,649
[1]	derived from audited financial statements.

Note 4 - Securities - Amortiz_2

Note 4 - Securities - Amortized Cost and Fair Value of Contractual Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Due within one year, amortized cost	$ 32,331	$ 30,797
Due within one year, fair value	32,623	31,060
Due from one to five years, amortized cost	51,309	59,828
Due from one to five years, fair value	52,954	61,481
Due from five to ten years, amortized cost	293,965	288,002
Due from five to ten years, fair value	302,644	293,886
Due after ten years, amortized cost	4,138	5,122
Due after ten years, fair value	4,116	5,152
Mortgage-backed securities, amortized cost	558,985	477,407
Mortgage-backed securities, fair value	569,542	495,109
Available for sale, amortized cost	940,728	861,156
Available for sale, fair value	961,879	886,688	[1]
Held to maturity, Due from one to five years, amortized cost	250	250
Held to maturity debt securities, Due from one to five years, fair value	250	250
Held to maturity, amortized cost	250	250	[1]
Held to maturity debt securities, fair value	$ 250	$ 250	[1]
[1]	derived from audited financial statements.

Note 4 - Securities - Investmen

Note 4 - Securities - Investment Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Less Than Twelve Months, Gross Unrealized Losses	$ (3,218)	$ (522)
Less Than Twelve Months, Fair Value	226,705	63,243
Twelve Months or More, Gross Unrealized Losses	(45)	0
Twelve Months or More, Fair Value	1,990	0
Total, Gross Unrealized Losses	(3,263)	(522)
Total, Fair Value	228,694	63,243
Collateralized Mortgage Backed Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(2,795)	(18)
Less Than Twelve Months, Fair Value	191,402	3,667
Twelve Months or More, Gross Unrealized Losses	0	0
Twelve Months or More, Fair Value	0	0
Total, Gross Unrealized Losses	(2,795)	(18)
Total, Fair Value	191,402	3,667
US States and Political Subdivisions Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(189)
Less Than Twelve Months, Fair Value	5,467
Twelve Months or More, Gross Unrealized Losses	0
Twelve Months or More, Fair Value	0
Total, Gross Unrealized Losses	(189)
Total, Fair Value	5,467
Corporate Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(234)	(504)
Less Than Twelve Months, Fair Value	29,836	59,576
Twelve Months or More, Gross Unrealized Losses	(45)	0
Twelve Months or More, Fair Value	1,990	0
Total, Gross Unrealized Losses	(279)	(504)
Total, Fair Value	$ 31,826	$ 59,576

Note 5 - Loans (Details Textual

Note 5 - Loans (Details Textual)	3 Months Ended		12 Months Ended
	Mar. 31, 2021USD ($)	Mar. 31, 2020USD ($)	Dec. 31, 2020USD ($)
Number of Loans Funded, Payroll Protection Plan	7,100
Amount of Loans Funded, Payment Protection Plan	$ 1,470,000,000
Provision for Loan and Lease Losses, Total	7,451,000	$ 13,584,000
Loans and Leases Receivable, Gross, Total	8,504,980,000		$ 8,465,688,000
Allowance for Loan and Lease Losses, Unfunded Commitments	2,800,000		2,200,000
Financing Receivable, Credit Loss, Expense (Reversal)	7,451,000	13,584,000
Financing Receivable, Troubled Debt Restructuring	3,500,000	2,400,000	1,500,000
Financing Receivable, Modifications, Recorded Investment, Accruing Interest	$ 794,000	$ 975,000	818,000
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	0	0
Principal and Interest Deferrals [Member]
Financing Receivable, Number of Payment Deferrals	29
Financing Receivable, Payment Deferral, Recorded Investment	$ 6,200,000
Commercial Real Estate Portfolio Segment [Member]
Loans and Leases Receivable, Gross, Total	3,323,093,000		3,295,900,000
Financing Receivable, Credit Loss, Expense (Reversal)	2,313,000	$ 7,692,000
COVID-19 [Member]
Provision for Loan and Lease Losses, Total	9,100,000	0
Loans Excluding PPP Loans [Member]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Total	20,400,000		17,800,000
PPP Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans and Leases Receivable, Gross, Total	967,700,000		$ 900,500,000
Unfunded Loan Commitment [Member]
Financing Receivable, Credit Loss, Expense (Reversal)	$ 600,000	$ 0

Note 5 - Loans - Summary of Loa

Note 5 - Loans - Summary of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020		Mar. 31, 2020	Dec. 31, 2019
Financing receivable, gross	$ 8,504,980	$ 8,465,688
Less: Allowance for credit losses	(94,906)	(87,942)	[1]	$ (85,414)	$ (76,584)
Net Loans	$ 8,410,074	$ 8,377,746	[1]
Financing receivable, gross percentage	100.00%	100.00%
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	$ 3,323,093	$ 3,295,900
Less: Allowance for credit losses	$ (38,232)	$ (36,370)		(48,780)	(43,666)
Financing receivable, gross percentage	39.07%	38.93%
Real Estate Portfolio Segment[Member]
Financing receivable, gross	$ 4,453,095	$ 4,511,304
Financing receivable, gross percentage	52.36%	53.29%
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	$ 666,592	$ 593,614
Less: Allowance for credit losses	$ (19,391)	$ (16,057)		(3,757)	(2,768)
Financing receivable, gross percentage	7.84%	7.01%
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	$ 1,698,695	$ 1,693,428
Financing receivable, gross percentage	19.97%	20.00%
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	$ 685,840	$ 711,692
Financing receivable, gross percentage	8.07%	8.41%
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	$ 2,068,560	$ 2,106,184
Financing receivable, gross percentage	24.32%	24.88%
Consumer Portfolio Segment [Member]
Financing receivable, gross	$ 62,200	$ 64,870
Less: Allowance for credit losses	$ (1,676)	$ (1,793)		$ (517)	$ (497)
Financing receivable, gross percentage	0.73%	0.77%
[1]	derived from audited financial statements.

Note 5 - Loans - Loans by Credi

Note 5 - Loans - Loans by Credit Quality Indicators, Loans Type and Year of Origination (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Originated in 2021	$ 671,695	$ 2,516,868
Originated in 2020	2,205,371	1,424,440
Originated in 2019	1,365,579	833,452
Originated in 2018	752,457	840,329
Originated in 2017	771,591	468,301
Originated prior to 2017	1,280,247	903,983
Revolving Loans	1,458,040	1,478,315
Financing receivable, gross	8,504,980	8,465,688
Commercial Real Estate Portfolio Segment [Member]
Originated in 2021	451,693	1,263,461
Originated in 2020	944,294	344,733
Originated in 2019	316,288	230,465
Originated in 2018	203,413	175,316
Originated in 2017	159,086	91,019
Originated prior to 2017	199,611	139,340
Revolving Loans	1,048,708	1,051,566
Financing receivable, gross	3,323,093	3,295,900
Real Estate Portfolio Segment[Member]
Financing receivable, gross	4,453,095	4,511,304
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Originated in 2021	40,168	230,931
Originated in 2020	250,260	222,357
Originated in 2019	238,486	53,981
Originated in 2018	54,129	16,361
Originated in 2017	15,879	7,677
Originated prior to 2017	19,244	14,051
Revolving Loans	48,426	48,256
Financing receivable, gross	666,592	593,614
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Originated in 2021	51,008	351,808
Originated in 2019	263,789	221,525
Originated in 2018	207,599	206,239
Originated in 2017	200,345	159,074
Originated prior to 2017	554,743	421,578
Revolving Loans	56,229	61,559
Financing receivable, gross	1,698,695	1,693,428
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Originated in 2021	34,862	180,172
Originated in 2020	171,404	111,142
Originated in 2019	100,527	70,381
Originated in 2018	65,193	61,114
Originated in 2017	50,467	28,684
Originated prior to 2017	61,771	44,111
Revolving Loans	201,616	216,088
Financing receivable, gross	685,840	711,692
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Originated in 2021	90,376	470,086
Originated in 2020	458,320	470,142
Originated in 2019	442,499	255,534
Originated in 2018	220,778	379,628
Originated in 2017	344,503	180,785
Originated prior to 2017	440,474	281,288
Revolving Loans	71,610	68,721
Financing receivable, gross	2,068,560	2,106,184
Consumer Portfolio Segment [Member]
Originated in 2021	3,588	20,410
Originated in 2019	3,990	1,566
Originated in 2018	1,345	1,671
Originated in 2017	1,311	1,062
Originated prior to 2017	4,404	3,615
Revolving Loans	31,451	32,125
Financing receivable, gross	62,200	64,870
Pass [Member]
Originated in 2021	671,138	2,512,890
Originated in 2020	2,202,552	1,412,221
Originated in 2019	1,353,982	828,209
Originated in 2018	747,172	815,640
Originated in 2017	753,821	465,361
Originated prior to 2017	1,263,683	889,028
Revolving Loans	1,400,548	1,410,930
Financing receivable, gross	8,392,896	8,334,279
Pass [Member] | Commercial Real Estate Portfolio Segment [Member]
Originated in 2021	451,136	1,260,341
Originated in 2020	942,305	332,690
Originated in 2019	305,491	229,838
Originated in 2018	202,837	169,616
Originated in 2017	153,959	89,893
Originated prior to 2017	196,657	137,021
Revolving Loans	993,613	988,093
Financing receivable, gross	3,245,998	3,207,492
Pass [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Originated in 2021	40,168	230,931
Originated in 2020	250,260	222,357
Originated in 2019	238,486	53,981
Originated in 2018	54,129	16,361
Originated in 2017	15,879	7,677
Originated prior to 2017	19,009	13,816
Revolving Loans	48,426	48,256
Financing receivable, gross	666,357	593,379
Pass [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Originated in 2021	51,008	351,808
Originated in 2020	364,982	271,645
Originated in 2019	263,789	221,513
Originated in 2018	207,599	198,935
Originated in 2017	199,276	158,531
Originated prior to 2017	551,086	417,743
Revolving Loans	55,790	61,119
Financing receivable, gross	1,693,530	1,681,294
Pass [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Originated in 2021	34,862	179,314
Originated in 2020	170,574	111,016
Originated in 2019	99,727	70,381
Originated in 2018	65,064	60,774
Originated in 2017	50,130	27,985
Originated prior to 2017	61,073	44,111
Revolving Loans	199,658	212,616
Financing receivable, gross	681,088	706,197
Pass [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Originated in 2021	90,376	470,086
Originated in 2020	458,320	470,092
Originated in 2019	442,499	250,945
Originated in 2018	216,211	368,283
Originated in 2017	333,266	180,244
Originated prior to 2017	431,485	272,722
Revolving Loans	71,610	68,721
Financing receivable, gross	2,043,767	2,081,093
Pass [Member] | Consumer Portfolio Segment [Member]
Originated in 2021	3,588	20,410
Originated in 2020	16,111	4,421
Originated in 2019	3,990	1,551
Originated in 2018	1,332	1,671
Originated in 2017	1,311	1,031
Originated prior to 2017	4,373	3,615
Revolving Loans	31,451	32,125
Financing receivable, gross	62,156	64,824
Special Mention [Member]
Originated in 2021	557	3,059
Originated in 2020	2,110	1,404
Originated in 2019	660	25
Originated in 2018	151	9,675
Originated in 2017	4,554	1,759
Originated prior to 2017	11,826	10,720
Revolving Loans	12,125	16,260
Financing receivable, gross	31,983	42,902
Special Mention [Member] | Commercial Real Estate Portfolio Segment [Member]
Originated in 2021	557	2,551
Originated in 2020	1,430	1,404
Originated in 2019	227	10
Originated in 2018	9	253
Originated in 2017	1,386	163
Originated prior to 2017	384	281
Revolving Loans	10,814	14,948
Financing receivable, gross	14,807	19,610
Special Mention [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	0
Originated in 2017	0	0
Originated prior to 2017	0	0
Revolving Loans	0	0
Financing receivable, gross	0	0
Special Mention [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	6,524
Originated in 2017	289	543
Originated prior to 2017	1,941	1,873
Revolving Loans	200	200
Financing receivable, gross	2,430	9,140
Special Mention [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Originated in 2021	0	508
Originated in 2020	680	0
Originated in 2019	433	0
Originated in 2018	129	105
Originated in 2017	104	481
Originated prior to 2017	481	0
Revolving Loans	1,111	1,112
Financing receivable, gross	2,938	2,206
Special Mention [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	2,793
Originated in 2017	2,775	541
Originated prior to 2017	8,989	8,566
Revolving Loans	0	0
Financing receivable, gross	11,764	11,900
Special Mention [Member] | Consumer Portfolio Segment [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	15
Originated in 2018	13	0
Originated in 2017	0	31
Originated prior to 2017	31	0
Revolving Loans	0	0
Financing receivable, gross	44	46
Substandard [Member]
Originated in 2021	0	919
Originated in 2020	709	10,815
Originated in 2019	10,937	5,218
Originated in 2018	5,134	15,014
Originated in 2017	13,216	1,181
Originated prior to 2017	4,738	4,235
Revolving Loans	45,367	51,125
Financing receivable, gross	80,101	88,507
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member]
Originated in 2021	0	569
Originated in 2020	559	10,639
Originated in 2019	10,570	617
Originated in 2018	567	5,447
Originated in 2017	3,741	963
Originated prior to 2017	2,570	2,038
Revolving Loans	44,281	48,525
Financing receivable, gross	62,288	68,798
Substandard [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	0
Originated in 2017	0	0
Originated prior to 2017	235	235
Revolving Loans	0	0
Financing receivable, gross	235	235
Substandard [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	12
Originated in 2018	0	780
Originated in 2017	780	0
Originated prior to 2017	1,716	1,962
Revolving Loans	239	240
Financing receivable, gross	2,735	2,994
Substandard [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Originated in 2021	0	350
Originated in 2020	150	126
Originated in 2019	367	0
Originated in 2018	0	235
Originated in 2017	233	218
Originated prior to 2017	217	0
Revolving Loans	847	2,360
Financing receivable, gross	1,814	3,289
Substandard [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Originated in 2021	0	0
Originated in 2020	0	50
Originated in 2019	0	4,589
Originated in 2018	4,567	8,552
Originated in 2017	8,462	0
Originated prior to 2017	0	0
Revolving Loans	0	0
Financing receivable, gross	13,029	13,191
Substandard [Member] | Consumer Portfolio Segment [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	0
Originated in 2017	0	0
Originated prior to 2017	0	0
Revolving Loans	0	0
Financing receivable, gross	0	0
Doubtful [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	0
Originated in 2017	0	0
Originated prior to 2017	0	0
Revolving Loans	0	0
Financing receivable, gross	0	0
Doubtful [Member] | Commercial Real Estate Portfolio Segment [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	0
Originated in 2017	0	0
Originated prior to 2017	0	0
Revolving Loans	0	0
Financing receivable, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	0
Originated in 2017	0	0
Originated prior to 2017	0	0
Revolving Loans	0	0
Financing receivable, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	0
Originated in 2017	0	0
Originated prior to 2017	0	0
Revolving Loans	0	0
Financing receivable, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	0
Originated in 2017	0	0
Originated prior to 2017	0	0
Revolving Loans	0	0
Financing receivable, gross	0	0
Doubtful [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	0
Originated in 2017	0	0
Originated prior to 2017	0	0
Revolving Loans	0	0
Financing receivable, gross	0	0
Doubtful [Member] | Consumer Portfolio Segment [Member]
Originated in 2021	0	0
Originated in 2020	0	0
Originated in 2019	0	0
Originated in 2018	0	0
Originated in 2017	0	0
Originated prior to 2017	0	0
Revolving Loans	0	0
Financing receivable, gross	$ 0	$ 0

Note 5 - Loans - Loans by Perfo

Note 5 - Loans - Loans by Performance Status (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financing receivable, gross	$ 8,504,980	$ 8,465,688
Performing Financial Instruments [Member]
Financing receivable, gross	8,487,088	8,446,734
Nonperforming Financial Instruments [Member]
Financing receivable, gross	17,892	18,954
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	3,323,093	3,295,900
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing receivable, gross	3,313,167	3,284,180
Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	9,926	11,720
Real Estate Portfolio Segment[Member]
Financing receivable, gross	4,453,095	4,511,304
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	666,592	593,614
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,698,695	1,693,428
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	685,840	711,692
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	2,068,560	2,106,184
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member]
Financing receivable, gross	4,445,402	4,504,365
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member]
Financing receivable, gross	666,358	593,380
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,696,686	1,692,169
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member]
Financing receivable, gross	684,917	710,817
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member]
Financing receivable, gross	2,063,799	2,101,379
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	7,693	6,939
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member]
Financing receivable, gross	234	234
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	2,009	1,259
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member]
Financing receivable, gross	923	875
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member]
Financing receivable, gross	4,761	4,805
Consumer Portfolio Segment [Member]
Financing receivable, gross	62,200	64,870
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing receivable, gross	62,161	64,809
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	$ 39	$ 61

Note 5 - Loans - Loans Categori

Note 5 - Loans - Loans Categorized by Past Due Status (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020		Mar. 31, 2020
Accrual loans, past due	$ 5,997	$ 9,035
Non-accrual	13,088	13,973
Current	8,485,895	8,442,680
Total loans	8,504,980	8,465,688	[1]	$ 7,568,836
Nonaccrual With No ACL	8,502	6,080
Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	1,005	235
Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	188	3,819
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	4,804	4,981
Commercial Real Estate Portfolio Segment [Member]
Accrual loans, past due	123	1,841
Non-accrual	9,922	11,709
Current	3,313,048	3,282,350
Total loans	3,323,093	3,295,900		2,771,307
Nonaccrual With No ACL	6,946	5,101
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	119	92
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	0	1,738
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	4	11
Real Estate Portfolio Segment[Member]
Accrual loans, past due	5,736	7,056
Non-accrual	2,932	2,030
Current	4,444,427	4,502,218
Total loans	4,453,095	4,511,304
Nonaccrual With No ACL	1,556	979
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Accrual loans, past due	0	0
Non-accrual	234	234
Current	666,358	593,380
Total loans	666,592	593,614		548,578
Nonaccrual With No ACL	0	0
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	0	995
Non-accrual	2,009	1,259
Current	1,696,686	1,691,174
Total loans	1,698,695	1,693,428
Nonaccrual With No ACL	1,229	467
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Accrual loans, past due	960	1,238
Non-accrual	923	771
Current	683,957	709,683
Total loans	685,840	711,692
Nonaccrual With No ACL	327	512
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Accrual loans, past due	4,776	4,823
Non-accrual	0	0
Current	2,063,784	2,101,361
Total loans	2,068,560	2,106,184
Nonaccrual With No ACL	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	797	79
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member]
Accrual loans, past due	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | One to Four Family [Member]
Accrual loans, past due	782	61
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Other Mortgages [Member]
Accrual loans, past due	15	18
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	178	2,068
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Construction Loans [Member]
Accrual loans, past due	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	0	995
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | One to Four Family [Member]
Accrual loans, past due	178	1,073
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Other Mortgages [Member]
Accrual loans, past due	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	4,761	4,909
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Loans [Member]
Accrual loans, past due	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | One to Four Family [Member]
Accrual loans, past due	0	104
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other Mortgages [Member]
Accrual loans, past due	4,761	4,805
Consumer Portfolio Segment [Member]
Accrual loans, past due	138	138
Non-accrual	0	0
Current	62,062	64,732
Total loans	62,200	64,870		$ 60,412
Nonaccrual With No ACL	0	0
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	89	64
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	10	13
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	$ 39	$ 61
[1]	derived from audited financial statements.

Note 5 - Loans - Analysis of Al

Note 5 - Loans - Analysis of Allowance for Loans Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021		Mar. 31, 2020	Dec. 31, 2020
Balance, beginning of period	$ 87,942	[1]	$ 76,584
Charge-offs	(576)		(4,830)
Recoveries	89		76
Provision	7,451		13,584
Balance, end of period	94,906		85,414
Individually Evaluated for Impairment			10,122
Collectively Evaluated for Impairment			75,292
Loans	8,504,980		7,568,836	$ 8,465,688	[1]
Individually Evaluated for Impairment			60,526
Collectively Evaluated for Impairment			7,508,310
Commercial Real Estate Portfolio Segment [Member]
Balance, beginning of period	36,370		43,666
Charge-offs	(477)		(2,640)
Recoveries	26		62
Provision	2,313		7,692
Balance, end of period	38,232		48,780
Individually Evaluated for Impairment			8,840
Collectively Evaluated for Impairment			39,940
Loans	3,323,093		2,771,307	3,295,900
Individually Evaluated for Impairment			44,868
Collectively Evaluated for Impairment			2,726,439
Real Estate Portfolio Segment[Member]
Loans	4,453,095			4,511,304
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Balance, beginning of period	16,057		2,768
Charge-offs	0		(454)
Recoveries	50		1
Provision	3,284		1,442
Balance, end of period	19,391		3,757
Individually Evaluated for Impairment			351
Collectively Evaluated for Impairment			3,406
Loans	666,592		548,578	593,614
Individually Evaluated for Impairment			1,834
Collectively Evaluated for Impairment			546,744
Real Estate Portfolio Segment[Member] | Real Estate Loan [Member]
Balance, beginning of period	33,722		29,653
Charge-offs	(12)		(1,678)
Recoveries	1		1
Provision	1,896		4,384
Balance, end of period	35,607		32,360
Individually Evaluated for Impairment			931
Collectively Evaluated for Impairment			31,429
Loans			4,188,539
Individually Evaluated for Impairment			13,815
Collectively Evaluated for Impairment			4,174,724
Consumer Portfolio Segment [Member]
Balance, beginning of period	1,793		497
Charge-offs	(87)		(58)
Recoveries	12		12
Provision	(42)		66
Balance, end of period	1,676		517
Individually Evaluated for Impairment			0
Collectively Evaluated for Impairment			517
Loans	$ 62,200		60,412	$ 64,870
Individually Evaluated for Impairment			9
Collectively Evaluated for Impairment			$ 60,403
[1]	derived from audited financial statements.

Note 5 - Loans - Summary of Col

Note 5 - Loans - Summary of Collateral Types (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Impaired Financing Receivable, Recorded Investment	$ 80,102	$ 88,505
Commercial, financial and agricultural	9,173	7,690
Commercial Real Estate Portfolio Segment [Member]
Impaired Financing Receivable, Recorded Investment	62,289	68,796
Commercial, financial and agricultural	8,675	7,142
Real Estate Portfolio Segment[Member]
Impaired Financing Receivable, Recorded Investment	17,578	19,474
Commercial, financial and agricultural	497	547
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Impaired Financing Receivable, Recorded Investment	235	235
Commercial, financial and agricultural	1	1
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Impaired Financing Receivable, Recorded Investment	2,736	2,995
Commercial, financial and agricultural	497	499
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Impaired Financing Receivable, Recorded Investment	1,763	3,288
Commercial, financial and agricultural	0	48
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Impaired Financing Receivable, Recorded Investment	13,079	13,191
Commercial, financial and agricultural	0	0
Consumer Portfolio Segment [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Commercial, financial and agricultural	0	0
Real Estate [Member]
Impaired Financing Receivable, Recorded Investment	31,046	38,075
Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired Financing Receivable, Recorded Investment	13,987	19,373
Real Estate [Member] | Real Estate Portfolio Segment[Member]
Impaired Financing Receivable, Recorded Investment	16,824	18,467
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Impaired Financing Receivable, Recorded Investment	235	235
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Impaired Financing Receivable, Recorded Investment	2,007	2,012
Real Estate [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Impaired Financing Receivable, Recorded Investment	1,738	3,264
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Impaired Financing Receivable, Recorded Investment	13,079	13,191
Real Estate [Member] | Consumer Portfolio Segment [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Collateral, Accounts Receivable [Member]
Impaired Financing Receivable, Recorded Investment	25,686	28,923
Collateral, Accounts Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired Financing Receivable, Recorded Investment	24,957	27,952
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member]
Impaired Financing Receivable, Recorded Investment	729	971
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Impaired Financing Receivable, Recorded Investment	729	971
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Collateral, Accounts Receivable [Member] | Consumer Portfolio Segment [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Equipment [Member]
Impaired Financing Receivable, Recorded Investment	17,742	16,877
Equipment [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired Financing Receivable, Recorded Investment	17,742	16,877
Equipment [Member] | Real Estate Portfolio Segment[Member]
Impaired Financing Receivable, Recorded Investment	0	0
Equipment [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Equipment [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Equipment [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Equipment [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Equipment [Member] | Consumer Portfolio Segment [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Collateral, Other [Member]
Impaired Financing Receivable, Recorded Investment	5,628	4,630
Collateral, Other [Member] | Commercial Real Estate Portfolio Segment [Member]
Impaired Financing Receivable, Recorded Investment	5,603	4,594
Collateral, Other [Member] | Real Estate Portfolio Segment[Member]
Impaired Financing Receivable, Recorded Investment	25	36
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Impaired Financing Receivable, Recorded Investment	0	12
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Impaired Financing Receivable, Recorded Investment	25	24
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Impaired Financing Receivable, Recorded Investment	0	0
Collateral, Other [Member] | Consumer Portfolio Segment [Member]
Impaired Financing Receivable, Recorded Investment	$ 0	$ 0

Note 5 - Loans - Troubled Debt

Note 5 - Loans - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021USD ($)	Mar. 31, 2020USD ($)
Number of Contracts	3	1
Post- Modification Outstanding Recorded Investment	$ 2,146	$ 350
Pre- Modification Outstanding Recorded Investment	$ 2,146	$ 350
Commercial Real Estate Portfolio Segment [Member]
Number of Contracts	2	1
Post- Modification Outstanding Recorded Investment	$ 1,155	$ 350
Pre- Modification Outstanding Recorded Investment	$ 1,155	$ 350
Real Estate Portfolio Segment[Member]
Number of Contracts	1	0
Post- Modification Outstanding Recorded Investment	$ 991	$ 0
Pre- Modification Outstanding Recorded Investment	$ 991	$ 0
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Number of Contracts	0	0
Post- Modification Outstanding Recorded Investment	$ 0	$ 0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Number of Contracts	1	0
Post- Modification Outstanding Recorded Investment	$ 991	$ 0
Pre- Modification Outstanding Recorded Investment	$ 991	$ 0
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Number of Contracts	0	0
Post- Modification Outstanding Recorded Investment	$ 0	$ 0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Number of Contracts	0	0
Post- Modification Outstanding Recorded Investment	$ 0	$ 0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0
Consumer Portfolio Segment [Member]
Number of Contracts	0	0
Post- Modification Outstanding Recorded Investment	$ 0	$ 0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0

Note 6 - Leases (Details Textua

Note 6 - Leases (Details Textual) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Lessee, Operating Lease, Remaining Lease Term (Year)	10 years
Operating Lease, Right-of-Use Asset	$ 18,500,000		$ 10,500,000
Operating Lease, Liability, Total	$ 18,800,000		$ 10,600,000
Operating Lease, Weighted Average Remaining Lease Term (Year)	7 years 21 days
Operating Lease, Weighted Average Discount Rate, Percent	3.21%
Operating Lease, Payments	$ 747,000	$ 852,000

Note 6 - Leases - Maturities of

Note 6 - Leases - Maturities of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
2021 (remaining)	$ 3,055
2022	3,423
2023	3,061
2024	2,189
2025	2,157
thereafter	6,974
Total lease payments	20,859
Less: imputed interest	(2,078)
Present value of operating lease liabilities	18,800	$ 10,600
Other Liabilities [Member]
Present value of operating lease liabilities	$ 18,782

Note 6 - Leases - Lease Costs (

Note 6 - Leases - Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating lease cost	$ 899	$ 873
Short-term lease cost	0	16
Variable lease cost	81	44
Sublease income	(19)	(16)
Net lease cost	$ 961	$ 917

Note 7 - Employee and Directo_3

Note 7 - Employee and Director Benefits (Details Textual) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2014
Share-based Payment Arrangement, Expense	$ 291,000	$ 276,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)	$ 12.73
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)		0
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)	500	0
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 604,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years
Restricted Stock [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 3,200,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)	2 years 8 months 12 days
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	3 years
Performance Shares [Member] | Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Vested Upon Certain Performance Metrics, Percentage	0.00%
Performance Shares [Member] | Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Vested Upon Certain Performance Metrics, Percentage	150.00%
The 2009 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)			5,550,000
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)			10 years

Note 7 - Employee and Directo_4

Note 7 - Employee and Director Benefits - Assumptions Used to Estimate Fair Value of Stock Option Awards (Details) - Share-based Payment Arrangement, Option [Member]	3 Months Ended
	Mar. 31, 2021
Expected volatility	40.00%
Expected dividends	1.78%
Expected term (Year)	7 years 6 months
Risk-free rate	2.43%

Note 7 - Employee and Directo_5

Note 7 - Employee and Director Benefits - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Granted (in shares)		0
Share-based Payment Arrangement, Option [Member]
Outstanding, shares (in shares)	640,950	965,248	965,248
Outstanding, weighted average exercise price (in dollars per share)	$ 18.14	$ 15.19	$ 15.19
Outstanding, weighted average remaining contractual term (Year)	4 years 7 months 6 days	5 years 4 months 24 days	4 years 7 months 6 days	4 years 10 months 24 days
Outstanding, aggregate intrinsic value	$ 14,859	$ 12,969	$ 16,981	$ 21,911
Granted (in shares)	500	0
Granted, weighted average exercise price (in dollars per share)	$ 32.60	$ 0
Granted, weighted average remaining contractual term (Year)	8 years 2 months 12 days
Granted, aggregate intrinsic value	$ 14	$ 0
Exercised (in shares)	(187,500)	(216,000)
Exercised, weighted average exercise price (in dollars per share)	$ 9.92	$ 10.47
Exercised, weighted average remaining contractual term (Year)	3 years 3 months 18 days	3 years 3 months 18 days
Exercised, aggregate intrinsic value	$ 9,639	$ 4,072
Forfeited (in shares)	(6,000)	(18,000)
Forfeited, weighted average exercise price (in dollars per share)	$ 5.82	$ 30.79
Forfeited, weighted average remaining contractual term (Year)	9 months 18 days	6 years 10 months 24 days
Forfeited, aggregate intrinsic value	$ 79	$ 26
Exercisable, shares (in shares)	329,700	210,500
Exercisable, weighted average exercise price (in dollars per share)	$ 13.57	$ 16.54
Exercisable, weighted average remaining contractual term (Year)	3 years 8 months 12 days	5 years
Exercisable, aggregate intrinsic value	$ 15,962	$ 7,146
Outstanding, shares (in shares)	447,950	731,248	640,950	965,248
Outstanding, weighted average exercise price (in dollars per share)	$ 19.64	$ 17.68	$ 18.14	$ 15.19

Note 7 - Employee and Directo_6

Note 7 - Employee and Director Benefits - Summary of Restricted Stock and Performance Shares Activity (Details) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Restricted Stock [Member]
Non-vested, shares (in shares)	84,307	71,290
Non-vested, weighted average grant date fair value (in dollars per share)	$ 34.92	$ 31.53
Granted, shares (in shares)	48,217	15,300
Granted, weighted average grant date fair value (in dollars per share)	$ 42.07	$ 39.45
Vested, shares (in shares)	(5,158)	(8,376)
Vested, weighted average grant date fair value (in dollars per share)	$ 22.72	$ 18.64
Forfeited, shares (in shares)	(5,575)	0
Forfeited, weighted average grant date fair value (in dollars per share)	$ 38.96	$ 0
Non-vested, shares (in shares)	121,791	78,214
Non-vested, weighted average grant date fair value (in dollars per share)	$ 38.08	$ 34.46
Performance Shares [Member]
Non-vested, shares (in shares)	0	0
Non-vested, weighted average grant date fair value (in dollars per share)	$ 0	$ 0
Granted, shares (in shares)	12,437	0
Granted, weighted average grant date fair value (in dollars per share)	$ 37.05	$ 0
Vested, shares (in shares)	0	0
Vested, weighted average grant date fair value (in dollars per share)	$ 0	$ 0
Forfeited, shares (in shares)	0	0
Forfeited, weighted average grant date fair value (in dollars per share)	$ 0	$ 0
Non-vested, shares (in shares)	12,437	0
Non-vested, weighted average grant date fair value (in dollars per share)	$ 37.05	$ 0

Note 8 - Derivatives (Details T

Note 8 - Derivatives (Details Textual) - Interest Rate Cap [Member] - USD ($)	1 Months Ended	3 Months Ended
	May 31, 2020	Mar. 31, 2021
Derivative, Term of Contract (Year)	3 years
Derivative, Notional Amount	$ 300,000,000
Derivative, Fair Value, Net, Total		$ 414,000
Derivative, Remaining Maturity (Year)		2 years 1 month 6 days
London Interbank Offered Rate (LIBOR) [Member]
Derivative, Cap Interest Rate	0.50%

Note 9 - Recently Adopted Acc_2

Note 9 - Recently Adopted Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020		Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Retained Earnings (Accumulated Deficit), Ending Balance	$ 788,875	$ 748,224	[1]
Loans and Leases Receivable, Allowance, Ending Balance	94,906	87,942	[1]	$ 85,414		$ 76,584
Deferred Income Tax Assets, Net, Total	32,126	31,072	[1]
Loans and Leases Receivable, Gross, Total	8,504,980	8,465,688
Commercial Real Estate Portfolio Segment [Member]
Loans and Leases Receivable, Allowance, Ending Balance	38,232	36,370		48,780		43,666
Loans and Leases Receivable, Gross, Total	3,323,093	3,295,900
Real Estate Portfolio Segment[Member]
Loans and Leases Receivable, Gross, Total	4,453,095	4,511,304
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Loans and Leases Receivable, Allowance, Ending Balance	19,391	16,057		$ 3,757		$ 2,768
Loans and Leases Receivable, Gross, Total	$ 666,592	$ 593,614
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Retained Earnings (Accumulated Deficit), Ending Balance					$ 1,100
Loans and Leases Receivable, Allowance, Ending Balance					(2,000)
Off-Balance Sheet, Credit Loss, Liability, Ending Balance					500
Deferred Income Tax Assets, Net, Total					(400)
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Commercial Real Estate Portfolio Segment [Member]
Loans and Leases Receivable, Gross, Total					(8,200)
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Loans and Leases Receivable, Gross, Total					$ 6,200
[1]	derived from audited financial statements.

Note 11 - Fair Value Measurem_3

Note 11 - Fair Value Measurement (Details Textual) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Asset Impairment Charges, Total	$ 2,000,000	$ 5,000,000
Real Estate Owned, Amount of Loss at Acquisition	432,000	$ 563,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure	150,000		$ 209,000
Mortgage Loans in Process of Foreclosure, Amount	928,000		0
Liabilities, Total	11,616,889,000		10,939,802,000	[1]
Securities (Assets) [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3	6,200,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases	4,100,000
Fair Value, Recurring [Member]
Liabilities, Total	$ 0		$ 0
Minimum [Member]
Impaired Loans, Fair Value Adjustment, Percent	0.00%		0.00%
Real Estate Owned, Fair Value Adjustment, Percent	5.00%		5.00%
Maximum [Member]
Impaired Loans, Fair Value Adjustment, Percent	64.00%		56.00%
Real Estate Owned, Fair Value Adjustment, Percent	25.00%		27.00%
Weighted Average [Member]
Impaired Loans, Fair Value Adjustment, Percent	25.60%		22.30%
Real Estate Owned, Fair Value Adjustment, Percent	15.90%		12.50%
[1]	derived from audited financial statements.

Note 11 - Fair Value Measurem_4

Note 11 - Fair Value Measurement - Financial Assets and Financial Liabilities Carried at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Available-for-sale securities	$ 961,879	$ 886,688	[1]
US Treasury Securities [Member]
Available-for-sale securities	14,296	14,357
US Government Agencies Debt Securities [Member]
Available-for-sale securities	12,190	15,458
Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	569,542	495,109
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	33,522	38,115
Corporate Debt Securities [Member]
Available-for-sale securities	332,329	323,649
Fair Value, Recurring [Member]
Available-for-sale securities	961,879	886,688
Total assets at fair value	962,293	886,827
Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Interest rate cap derivative	414
Fair Value, Recurring [Member] | Interest Rate Cap [Member]
Interest rate cap derivative		139
Fair Value, Recurring [Member] | US Treasury Securities [Member]
Available-for-sale securities	14,296	14,357
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Available-for-sale securities	12,190	15,458
Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	569,542	495,109
Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	33,522	38,115
Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Available-for-sale securities	332,329	323,649
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member]
Available-for-sale securities	0	0
Total assets at fair value	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Interest rate cap derivative	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Interest Rate Cap [Member]
Interest rate cap derivative		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US Treasury Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]
Available-for-sale securities	951,578	886,688
Total assets at fair value	951,992	886,827
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Interest rate cap derivative	414
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Interest Rate Cap [Member]
Interest rate cap derivative		139
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Treasury Securities [Member]
Available-for-sale securities	14,296	14,357
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Available-for-sale securities	12,190	15,458
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	569,542	495,109
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	33,522	38,115
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Available-for-sale securities	322,028	323,649
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Available-for-sale securities	10,301	0
Total assets at fair value	10,301	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Interest rate cap derivative	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Interest Rate Cap [Member]
Interest rate cap derivative		0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US Treasury Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Available-for-sale securities	$ 10,301	$ 0
[1]	derived from audited financial statements.

Note 11 - Fair Value Measurem_5

Note 11 - Fair Value Measurement - Carrying Amount and Estimated Fair Value of Financial Instruments (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Loans individually evaluated	$ 70,929	$ 80,817
Other real estate owned and repossessed assets	2,067	6,497
Total assets at fair value	72,996	87,314
Fair Value, Inputs, Level 1 [Member]
Loans individually evaluated	0	0
Other real estate owned and repossessed assets	0	0
Total assets at fair value	0	0
Fair Value, Inputs, Level 2 [Member]
Loans individually evaluated	0	0
Other real estate owned and repossessed assets	0	0
Total assets at fair value	0	0
Fair Value, Inputs, Level 3 [Member]
Loans individually evaluated	70,929	80,817
Other real estate owned and repossessed assets	2,067	6,497
Total assets at fair value	$ 72,996	$ 87,314

Note 11 - Fair Value Measurem_6

Note 11 - Fair Value Measurement - Financial Assets and Liabilities Carried at Fair Value on Recurring Basis or Nonrecurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Cash and due from banks	$ 70,107	$ 93,655	[1]
Federal funds sold	1,577	1,771	[1]
Mortgage loans held for sale	15,834	14,425	[1]
Held to maturity debt securities	250	250	[1]
Net Loans	8,410,074	8,377,746	[1]
Federal funds purchased	911,558	851,545	[1]
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and due from banks	2,808,153	2,209,640
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Federal funds sold	1,577	1,771
Mortgage loans held for sale	15,834	14,425
Deposits	10,577,610	9,975,724
Federal funds purchased	911,558	851,545
Other borrowings	64,691	64,748
Reported Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Held to maturity debt securities	250	250
Net Loans	8,410,074	8,377,746
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and due from banks	2,808,153	2,209,640
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Federal funds sold	1,577	1,771
Mortgage loans held for sale	15,551	14,497
Deposits	10,587,038	9,987,665
Federal funds purchased	911,558	851,545
Other borrowings	65,548	65,560
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Held to maturity debt securities	250	250
Net Loans	$ 8,428,969	$ 8,387,718
[1]	derived from audited financial statements.