ServisFirst Bancshares (SFBS) 10-Q 28 Oct 20 2020 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2020	Oct. 23, 2020
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	Q3
Document Fiscal Year Focus	2020
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2020
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		53,915,245

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	[1]
ASSETS
Cash and due from banks	$ 70,472	$ 78,618
Interest-bearing balances due from depository institutions	1,551,597	451,509
Federal funds sold	1,302	100,473
Cash and cash equivalents	1,623,371	630,600
Available for sale debt securities, at fair value	913,049	759,399
Held to maturity debt securities (fair value of $250 at September 30, 2020 and December 31, 2019)	250	250
Mortgage loans held for sale	21,472	6,312
Loans	8,508,554	7,261,451
Less allowance for loan losses	(92,440)	(76,584)
Loans, net	8,416,114	7,184,867
Premises and equipment, net	55,273	56,496
Accrued interest and dividends receivable	36,607	26,262
Deferred tax assets	26,764	25,566
Other real estate owned and repossessed assets	6,976	8,178
Bank owned life insurance contracts	254,045	209,395
Goodwill and other identifiable intangible assets	13,976	14,179
Other assets	26,977	26,149
Total assets	11,394,874	8,947,653
Liabilities:
Noninterest-bearing	2,762,814	1,749,879
Interest-bearing	6,910,969	5,780,554
Total deposits	9,673,783	7,530,433
Federal funds purchased	669,350	470,749
Other borrowings	64,719	64,703
Accrued interest payable	11,915	11,934
Other liabilities	25,518	27,152
Total liabilities	10,445,285	8,104,971
Stockholders' equity:
Preferred stock, par value $0.001 per share; 1,000,000 authorized and undesignated at September 30, 2020 and December 31, 2019	0	0
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 53,915,245 shares issued and outstanding at September 30, 2020, and 53,623,740 shares issued and outstanding at December 31, 2019	54	54
Additional paid-in capital	223,280	219,766
Retained earnings	706,924	616,611
Accumulated other comprehensive income	18,831	5,749
Total stockholders' equity attributable to ServisFirst Bancshares, Inc.	949,089	842,180
Noncontrolling interest	500	502
Total stockholders' equity	949,589	842,682
Total liabilities and stockholders' equity	$ 11,394,874	$ 8,947,653
[1]	Derived from audited financial statements.

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	[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)	53,915,245	53,623,740
Common stock, shares outstanding (in shares)	53,915,245	53,623,740
[1]	Derived from audited financial statements.

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest income:
Interest and fees on loans	$ 89,564	$ 90,767	$ 268,332	$ 264,901
Taxable securities	5,858	4,367	16,104	12,306
Nontaxable securities	166	316	610	1,155
Federal funds sold	16	1,768	327	4,985
Other interest and dividends	506	3,912	2,584	9,269
Total interest income	96,110	101,130	287,957	292,616
Interest expense:
Deposits	9,876	24,787	37,377	71,172
Borrowed funds	1,152	3,338	4,624	9,576
Total interest expense	11,028	28,125	42,001	80,748
Net interest income	85,082	73,005	245,956	211,868
Provision for loan losses	12,284	6,985	36,151	16,754
Net interest income after provision for loan losses	72,798	66,020	209,805	195,114
Noninterest income:
Securities gains	0	34	0	28
Increase in cash surrender value life insurance	1,733	787	4,650	2,327
Other operating income	262	453	972	1,172
Total noninterest income	8,172	6,210	21,879	16,930
Noninterest expenses:
Salaries and employee benefits	14,994	15,499	46,444	44,103
Equipment and occupancy expense	2,556	2,387	7,390	6,933
Third party processing and other services	3,281	2,923	10,360	8,058
Professional services	955	887	2,994	3,072
FDIC and other regulatory assessments (credits)	1,061	(296)	2,988	1,804
OREO expense	119	78	2,023	312
Other operating expenses	3,607	3,683	11,110	12,227
Total noninterest expenses	26,573	25,161	83,309	76,509
Income before income taxes	54,397	47,069	148,375	135,535
Provision for income taxes	11,035	9,506	29,787	27,329
Net income	43,362	37,563	118,588	108,206
Preferred stock dividends	0	0	31	31
Net income available to common stockholders	$ 43,362	$ 37,563	$ 118,557	$ 108,175
Basic earnings per common share (in dollars per share)	$ 0.80	$ 0.70	$ 2.20	$ 2.02
Diluted earnings per common share (in dollars per share)	$ 0.80	$ 0.69	$ 2.19	$ 2
Deposit Account [Member]
Noninterest income:
Noninterest income	$ 1,818	$ 1,735	$ 5,557	$ 5,223
Mortgage Banking [Member]
Noninterest income:
Noninterest income	2,519	1,333	5,697	2,995
Credit Card [Member]
Noninterest income:
Noninterest income	$ 1,840	$ 1,868	$ 5,003	$ 5,185

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net income	$ 43,362	$ 37,563	$ 118,588	$ 108,206
Other comprehensive income, net of tax:
Unrealized net holding gains arising during period from securities available for sale, net of tax of $58 and $3,477 for the three and nine months ended September 30, 2020, respectively, and net of tax of $424 and $2,791 for the three and nine months ended September 30, 2019, respectively	220	1,434	13,082	10,497
Reclassification adjustment for net gains on sale of securities, net of tax of $7 and $5 for the three and nine months ended September 30, 2019, respectively	0	27	0	23
Other comprehensive income (loss), net of tax	220	1,461	13,082	10,520
Comprehensive income	$ 43,582	$ 39,024	$ 131,670	$ 118,726

Consolidated Statements of Co_2

Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Unrealized holding gain (loss) from available for sale securities, tax	$ 58	$ 424	$ 3,477	$ 2,791
Reclassification adjustment for net (gains) losses on sale of securities available-for-sale, tax		$ 7		$ 5

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, 2018	53,375,195
Balance at Dec. 31, 2018	$ 53	$ 0	$ 218,521	$ 500,868	$ (4,741)	$ 502	$ 715,203
Common dividends declared	$ 0	0	0	(8,037)	0	0	(8,037)
Issue restricted shares pursuant to stock incentives, net of forfeitures (in shares)	18,874
Issue restricted shares pursuant to stock incentives, net of forfeitures	$ 0	0	0	0	0	0	0
Issue shares of common stock upon exercise of stock options (in shares)	185,044
Issue shares of common stock upon exercise of stock options	$ 1	0	1,674	0	0	0	1,675
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(1,742)	0	0	0	(1,742)
Stock-based compensation expense	0	0	781	0	0	0	781
Other comprehensive income (loss), net of tax	0	0	0	0	10,520	0	10,520
Net income	0	0	0	108,206	0		108,206
Net income attributable to noncontrolling interest						0
Profit loss							108,206
Common dividends paid	0	0	0	(16,038)	0	0	(16,038)
Preferred dividends paid	$ 0	0	0	(31)	0	0	(31)
Other comprehensive income (loss), net of tax							10,520
Balance (in shares) at Sep. 30, 2019	53,579,113
Balance at Sep. 30, 2019	$ 54	0	219,234	584,968	5,779	502	810,537
Balance (in shares) at Jun. 30, 2019	53,526,882
Balance at Jun. 30, 2019	$ 54	0	218,658	555,425	4,318	502	778,957
Common dividends declared	$ 0	0	0	(8,020)	0	0	(8,020)
Issue restricted shares pursuant to stock incentives, net of forfeitures (in shares)	10,500
Issue restricted shares pursuant to stock incentives, net of forfeitures	$ 0	0	0	0	0	0	0
Issue shares of common stock upon exercise of stock options (in shares)	41,731
Issue shares of common stock upon exercise of stock options	$ 0	0	571	0	0	0	571
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(289)	0	0	0	(289)
Stock-based compensation expense	0	0	294	0	0	0	294
Other comprehensive income (loss), net of tax	0	0	0	0	1,461	0	1,461
Net income	$ 0	0	0	37,563	0		37,563
Net income attributable to noncontrolling interest						0
Profit loss							37,563
Other comprehensive income (loss), net of tax							1,461
Balance (in shares) at Sep. 30, 2019	53,579,113
Balance at Sep. 30, 2019	$ 54	0	219,234	584,968	5,779	502	810,537
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	[1]
Common dividends declared	$ 0	0	0	(9,422)	0	0	(9,422)
Issue restricted shares pursuant to stock incentives, net of forfeitures (in shares)	29,067
Issue restricted shares pursuant to stock incentives, net of forfeitures	$ 0	0	0	0	0	0	0
Issue shares of common stock upon exercise of stock options (in shares)	262,438
Issue shares of common stock upon exercise of stock options	$ 0	0	3,172	0	0	0	3,172
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(627)	0	0	0	(627)
Stock-based compensation expense	0	0	969	0	0	0	969
Net income	0	0	0	118,588	0		118,588
Net income attributable to noncontrolling interest						(2)
Profit loss							118,586
Common dividends paid	0	0	0	(18,822)	0	0	(18,822)
Preferred dividends paid	0	0	0	(31)	0	0	(31)
Other comprehensive income (loss), net of tax	$ 0	0	0	0	13,082	0	13,082
Balance (in shares) at Sep. 30, 2020	53,915,245
Balance at Sep. 30, 2020	$ 54	0	223,280	706,924	18,831	500	949,589
Balance (in shares) at Jun. 30, 2020	53,874,276
Balance at Jun. 30, 2020	$ 54	0	222,437	672,984	18,611	502	914,588
Common dividends declared	$ 0	0	0	(9,422)	0	0	(9,422)
Issue restricted shares pursuant to stock incentives, net of forfeitures (in shares)	3,500
Issue restricted shares pursuant to stock incentives, net of forfeitures	$ 0	0	0	0	0	0	0
Issue shares of common stock upon exercise of stock options (in shares)	37,469
Issue shares of common stock upon exercise of stock options	$ 0	0	728	0	0	0	728
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(225)	0	0	0	(225)
Stock-based compensation expense	0	0	340	0	0	0	340
Other comprehensive income (loss), net of tax	0	0	0	0	220	0	220
Net income	$ 0	0	0	43,362	0		43,362
Net income attributable to noncontrolling interest						(2)
Profit loss							43,360
Other comprehensive income (loss), net of tax							220
Balance (in shares) at Sep. 30, 2020	53,915,245
Balance at Sep. 30, 2020	$ 54	$ 0	$ 223,280	$ 706,924	$ 18,831	$ 500	$ 949,589
[1]	Derived from audited financial statements.

Consolidated Statement of Sto_2

Consolidated Statement of Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Common dividends, per share declared (in dollars per share)	$ 0.175	$ 0.15	$ 0.175	$ 0.15
Shares withheld in net settlement upon exercise of stock options (in shares)	5,831	9,069	16,862	54,256
Common dividends, per share (in dollars per share)			$ 0.35	$ 0.30

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
OPERATING ACTIVITIES
Net income	$ 118,588	$ 108,206
Adjustments to reconcile net income to net cash provided by
Deferred tax (benefit) expense	(4,675)	2,851
Provision for loan losses	36,151	16,754
Depreciation	2,788	2,774
Accretion on acquired loans	(100)	(91)
Amortization of core deposit intangible	203	203
Net amortization of debt securities available for sale	3,834	2,040
Increase in accrued interest and dividends receivable	(10,345)	(1,353)
Stock-based compensation expense	969	781
(Decrease) increase in accrued interest payable	(19)	1,095
Proceeds from sale of mortgage loans held for sale	194,558	90,188
Originations of mortgage loans held for sale	(204,021)	(95,764)
Gain on sale of mortgage loans held for sale	(5,697)	(2,995)
Net gain on sale of debt securities available for sale	0	(28)
Net gain on sale of other real estate owned and repossessed assets	(8)	(6)
Write down of other real estate owned and repossessed assets	1,836	288
Operating loss (income) of tax credit partnerships	4	(16)
Increase in cash surrender value of life insurance contracts	(4,650)	(2,327)
Net change in other assets, liabilities, and other operating activities	(11,916)	(19,766)
Net cash provided by operating activities	117,500	102,834
INVESTMENT ACTIVITIES
Purchase of debt securities available for sale	(288,453)	(186,240)
Proceeds from maturities, calls and paydowns of debt securities available for sale	148,206	100,687
Purchase of debt securities held to maturity	0	(250)
Investment in tax credit partnership and SBIC	(636)	0
Increase in loans	(1,269,704)	(505,224)
Purchase of premises and equipment	(1,565)	(1,522)
Purchase of bank owned life insurance contracts	(40,000)	(20,000)
Proceeds from sale of other real estate owned and repossessed assets	1,780	727
Net cash used in investing activities	(1,450,372)	(611,822)
FINANCING ACTIVITIES
Net increase in non-interest-bearing deposits	1,012,935	121,331
Net increase in interest-bearing deposits	1,130,415	687,119
Net increase in federal funds purchased	198,601	81,506
Proceeds from exercise of stock options	3,172	1,675
Taxes paid in net settlement of tax obligation upon exercise of stock options	(627)	(1,742)
Dividends paid on common stock	(18,822)	(16,038)
Dividends paid on preferred stock	(31)	(31)
Net cash provided by financing activities	2,325,643	873,820
Net increase in cash and cash equivalents	992,771	364,832
Cash and cash equivalents at beginning of period	630,600	681,895
Cash and cash equivalents at end of period	1,623,371	1,046,727
Cash paid for:
Interest	42,020	76,653
Income taxes	38,593	34,464
Income tax refund	(47)	(86)
NONCASH TRANSACTIONS
Other real estate acquired in settlement of loans	2,406	1,177
Dividends declared	$ 9,422	$ 8,037

Note 1 - General

Note 1 - General	9 Months Ended
	Sep. 30, 2020
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, 2019. All reported amounts are in thousands except share and per share data. Allowance for Loan Losses The Company was prepared to fully adopt Accounting Standards Update (“ASU”) 2016 13, Financial Instruments – Credit Losses (Topic 326 January 1, 2020 19 March 27, 2020, 2016 13. 19 December 31, 2020, January 1, 2020. The allowance for loan losses as of September 30, 2020 19 5

Note 2 - Cash and Cash Equivale

Note 2 - Cash and Cash Equivalents	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Cash and Cash Equivalents Disclosure [Text Block]	NOTE 2 - CASH AND CASH EQUIVALENTS 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	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Earnings Per Share [Text Block]	NOTE 3 - EARNINGS PER COMMON SHARE Basic earnings per common share are computed by dividing net income available to common stockholders 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 September 30, Nine Months Ended September 30, 2020 2019 2020 2019 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 53,893,753 53,544,747 53,817,928 53,508,710 Net income available to common stockholders $ 43,362 $ 37,563 $ 118,557 $ 108,175 Basic earnings per common share $ 0.80 $ 0.70 $ 2.20 $ 2.02 Weighted average common shares outstanding 53,893,753 53,544,747 53,817,928 53,508,710 Dilutive effects of assumed conversions and exercise of stock options and warrants 339,212 551,621 380,494 578,700 Weighted average common and dilutive potential common shares outstanding 54,232,965 54,096,368 54,198,422 54,087,410 Net income available to common stockholders $ 43,362 $ 37,563 $ 118,557 $ 108,175 Diluted earnings per common share $ 0.80 $ 0.69 $ 2.19 $ 2.00

Note 4 - Securities

Note 4 - Securities	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	NOTE 4 - SECURITIES The amortized cost and fair value of available-for-sale and held-to-maturity securities at September 30, 2020 December 31, 2019 Gross Gross Amortized Unrealized Unrealized Market Cost Gain Loss Value September 30, 2020 (In Thousands) Securities Available for Sale U.S. Treasury securities $ 18,990 $ 436 $ - $ 19,426 Government agencies 15,222 299 - 15,521 Mortgage-backed securities 500,251 17,879 (68 ) 518,062 State and municipal securities 36,922 486 - 37,408 Corporate debt 317,887 5,638 (893 ) 322,632 Total $ 889,272 $ 24,738 $ (961 ) $ 913,049 Securities Held to Maturity State and municipal securities 250 - - 250 Total $ 250 $ - $ - $ 250 December 31, 2019 Securities Available for Sale U.S. Treasury securities $ 48,923 $ 291 $ (4 ) $ 49,210 Government agencies 18,245 143 (2 ) 18,386 Mortgage-backed securities 470,513 4,859 (1,318 ) 474,054 State and municipal securities 56,951 335 (14 ) 57,272 Corporate debt 157,549 3,098 (170 ) 160,477 Total $ 752,181 $ 8,726 $ (1,508 ) $ 759,399 Securities Held to Maturity State and municipal securities 250 - - 250 Total $ 250 $ - $ - $ 250 The amortized cost and fair value of debt securities as of September 30, 2020 December 31, 2019 may may not September 30, 2020 December 31, 2019 Amortized Cost Fair Value Amortized Cost Fair Value (In thousands) Debt securities available for sale Due within one year $ 22,531 $ 22,627 $ 58,722 $ 58,975 Due from one to five years 78,998 81,105 90,034 91,005 Due from five to ten years 191,528 194,527 129,501 131,914 Due after ten years 95,964 96,728 3,411 3,451 Mortgage-backed securities 500,251 518,062 470,513 474,054 $ 889,272 $ 913,049 $ 752,181 $ 759,399 Debt securities held to maturity 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 debt securities pledged to secure public funds on deposit and for other purposes as required by law as of September 30, 2020 December 31, 2019 The following table identifies, as of September 30, 2020 December 31, 2019, 12 12 September 30, 2020, none 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) September 30, 2020 U.S. Treasury securities $ - $ - $ - $ - $ - $ - Government agency securities - - - - - - Mortgage-backed securities (68 ) 34,639 - - (68 ) 34,639 State and municipal securities (1) - - - - - - Corporate debt (893 ) 87,212 - - (893 ) 87,212 Total $ (961 ) $ 121,851 $ - $ - $ (961 ) $ 121,851 December 31, 2019 U.S. Treasury securities $ (4 ) $ 3,012 $ - $ - $ (4 ) $ 3,012 Government agency securities (2 ) 266 - - (2 ) 266 Mortgage-backed securities (1,206 ) 153,330 (112 ) 24,911 (1,318 ) 178,241 State and municipal securities (4 ) 1,900 (10 ) 2,647 (14 ) 4,547 Corporate debt (170 ) 19,981 - - (170 ) 19,981 Total $ (1,386 ) $ 178,489 $ (122 ) $ 27,558 $ (1,508 ) $ 206,047

Note 5 - Loans

Note 5 - Loans	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	NOTE 5 – LOANS The following table details the Company’s loans at September 30, 2020 December 31, 2019: September 30, December 31, 2020 2019 (Dollars In Thousands) Commercial, financial and agricultural $ 3,466,189 $ 2,696,210 Real estate - construction 530,919 521,392 Real estate - mortgage: Owner-occupied commercial 1,725,222 1,587,478 1-4 family mortgage 671,841 644,188 Other mortgage 2,056,549 1,747,394 Subtotal: Real estate - mortgage 4,453,612 3,979,060 Consumer 57,834 64,789 Total Loans 8,508,554 7,261,451 Less: Allowance for loan losses (92,440 ) (76,584 ) Net Loans $ $ 7,184,867 Commercial, financial and agricultural 40.74 % 37.13 % Real estate - construction 6.24 % 7.18 % Real estate - mortgage: Owner-occupied commercial 20.27 % 21.86 % 1-4 family mortgage 7.90 % 8.87 % Other mortgage 24.17 % 24.07 % Subtotal: Real estate - mortgage 52.34 % 54.80 % Consumer 0.68 % 0.89 % Total Loans 100.00 % 100.00 % In light of the U.S. and global economic crisis brought about by the COVID- 19 500 September 30, 2020, September 30, 2020, three nine September 30, 2020 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 borrower (or guarantors, 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 currently 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. Loans by credit quality indicator as of September 30, 2020 December 31, 2019 Special September 30, 2020 Pass Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 3,374,467 $ 17,955 $ 73,767 $ - $ 3,466,189 Real estate - construction 527,231 3,100 588 - 530,919 Real estate - mortgage: Owner-occupied commercial 1,708,113 14,280 2,829 - 1,725,222 1-4 family mortgage 666,463 2,065 3,313 - 671,841 Other mortgage 2,031,328 12,006 13,215 - 2,056,549 Total real estate mortgage 4,405,904 28,351 19,357 - 4,453,612 Consumer 57,785 49 - - 57,834 Total $ 8,365,387 $ 49,455 $ 93,712 $ - $ 8,508,554 Special December 31, 2019 Pass Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 2,629,487 $ 46,176 $ 20,547 $ - $ 2,696,210 Real estate - construction 512,373 4,731 4,288 - 521,392 Real estate - mortgage: Owner-occupied commercial 1,555,283 18,240 13,955 - 1,587,478 1-4 family mortgage 639,959 2,787 1,442 - 644,188 Other mortgage 1,735,869 10,018 1,507 - 1,747,394 Total real estate mortgage 3,931,111 31,045 16,904 - 3,979,060 Consumer 64,789 - - - 64,789 Total $ 7,137,760 $ 81,952 $ 41,739 $ - $ 7,261,451 Loans by performance status as of September 30, 2020 December 31, 2019 September 30, 2020 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 3,447,490 $ 18,699 $ 3,466,189 Real estate - construction 530,332 587 530,919 Real estate - mortgage: Owner-occupied commercial 1,723,384 1,838 1,725,222 1-4 family mortgage 671,227 614 671,841 Other mortgage 2,051,722 4,827 2,056,549 Total real estate mortgage 4,446,333 7,279 4,453,612 Consumer 57,826 8 57,834 Total $ 8,481,981 $ 26,573 $ 8,508,554 December 31, 2019 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,681,280 $ 14,930 $ 2,696,210 Real estate - construction 519,803 1,589 521,392 Real estate - mortgage: Owner-occupied commercial 1,576,652 10,826 1,587,478 1-4 family mortgage 641,875 2,313 644,188 Other mortgage 1,740,963 6,431 1,747,394 Total real estate mortgage 3,959,490 19,570 3,979,060 Consumer 64,766 23 64,789 Total $ 7,225,339 $ 36,112 $ 7,261,451 Loans by past due status as of September 30, 2020 December 31, 2019 September 30, 2020 Past Due Status (Accruing Loans) Total Past 30-59 Days 60-89 Days 90+ Days Due Non-Accrual Current Total Loans (In Thousands) Commercial, financial and agricultural $ 721 $ 3,102 $ 63 $ 3,886 $ 18,636 $ 3,443,667 $ 3,466,189 Real estate - construction - - - - 587 530,332 530,919 Real estate - mortgage: Owner-occupied commercial - - - - 1,838 1,723,384 1,725,222 1-4 family mortgage 211 320 - 531 614 670,696 671,841 Other mortgage - - 4,827 4,827 - 2,051,722 2,056,549 Total real estate - mortgage 211 320 4,827 5,358 2,452 4,445,802 4,453,612 Consumer 36 6 8 50 - 57,784 57,834 Total $ 968 $ 3,428 $ 4,898 $ 9,294 $ 21,675 $ 8,477,585 $ 8,508,554 December 31, 2019 Past Due Status (Accruing Loans) Total Past 30-59 Days 60-89 Days 90+ Days Due Non-Accrual Current Total Loans (In Thousands) Commercial, financial and agricultural $ 3,135 $ 344 $ 201 $ 3,680 $ 14,729 $ 2,677,801 $ 2,696,210 Real estate - construction 830 - - 830 1,589 518,973 521,392 Real estate - mortgage: Owner-occupied commercial 917 7,242 - 8,159 10,826 1,568,493 1,587,478 1-4 family mortgage 1,638 567 873 3,078 1,440 639,670 644,188 Other mortgage - - 4,924 4,924 1,507 1,740,963 1,747,394 Total real estate - mortgage 2,555 7,809 5,797 16,161 13,773 3,949,126 3,979,060 Consumer 35 25 23 83 - 64,706 64,789 Total $ 6,555 $ 8,178 $ 6,021 $ 20,754 $ 30,091 $ 7,210,606 $ 7,261,451 The allowance for loan losses (“ALLL”) is maintained at a level which, in management’s judgment, is adequate to absorb credit losses inherent in the loan portfolio. The amount of the allowance is based on management’s evaluation of the collectability of the loan portfolio, including the nature of the portfolio, credit concentrations, trends in historical loss experience, specific impaired loans, economic conditions and other risks inherent in the portfolio. Allowances for impaired loans are generally determined based on collateral values or the present value of the estimated cash flows. The allowance is increased by a provision for loan losses, which is charged to expense, and reduced by charge-offs, net of recoveries. In addition, various regulatory agencies, as an integral part of their examination process, periodically review the allowance for losses on loans. Such agencies may The methodology utilized for the calculation of the allowance for loan losses is divided into four 450 310 Non-Impaired Loans. second 5 Impaired Loans. may may External Qualitative Factors three second 2020 19 June 30, 2020. 19 $11.3 September 30, 2020, $3.6 June 30, 2020, third 2020. Internal Qualitative Factors During the third 2019, The following table presents an analysis of the allowance for loan losses by portfolio segment and changes in the allowance for loan losses for the three nine September 30, 2020 September 30, 2019. Commercial, financial and Real estate - Real estate - agricultural construction mortgage Consumer Total (In Thousands) Three Months Ended September 30, 2020 Allowance for loan losses: Balance at June 30, 2020 $ 47,986 $ 4,531 $ 38,399 $ 591 $ 91,507 Charge-offs (11,146 ) - (200 ) (44 ) (11,390 ) Recoveries 12 - 12 15 39 Provision 12,421 (441 ) 304 - 12,284 Balance at September 30, 2020 $ 49,273 $ 4,090 $ 38,515 $ 562 $ 92,440 Three Months Ended September 30, 2019 Allowance for loan losses: Balance at June, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 Charge-offs (3,626 ) - (4,974 ) (172 ) (8,772 ) Recoveries 126 1 - 60 187 Allocation from LGP 4,905 115 2,386 - 7,406 Provision 5,108 (343 ) 2,069 151 6,985 Balance at September 30, 2019 $ 45,222 $ 3,192 $ 28,264 $ 514 $ 77,192 Nine Months Ended September 30, 2020 Balance at December 31, 2019 Allowance for loan losses: $ 43,666 $ 2,768 $ 29,653 $ 497 $ 76,584 Charge-offs (15,144 ) (830 ) (4,397 ) (165 ) (20,536 ) Recoveries 158 2 26 55 241 Provision 20,593 2,150 13,233 175 36,151 Balance at September 30, 2020 $ 49,273 $ 4,090 $ 38,515 $ 562 $ 92,440 Nine Months Ended September 30, 2019 Allowance for loan losses: Balance at December 31, 2018 $ 39,016 $ 3,522 $ 25,508 $ 554 $ 68,600 Charge-offs (10,273 ) - (5,193 ) (453 ) (15,919 ) Recoveries 255 2 11 83 351 Allocation from LGP 4,905 115 2,386 - 7,406 Provision 11,319 (447 ) 5,552 330 16,754 Balance at September 30, 2019 $ 45,222 $ 3,192 $ 28,264 $ 514 $ 77,192 As of September 30, 2020 Allowance for loan losses: Individually Evaluated for Impairment $ 9,204 $ 201 $ 195 $ - $ 9,600 Collectively Evaluated for Impairment 40,069 3,889 38,320 562 82,840 Loans: Ending Balance $ 3,466,189 $ 530,919 $ 4,453,612 $ 57,834 $ 8,508,554 Individually Evaluated for Impairment 73,800 587 19,376 - 93,763 Collectively Evaluated for Impairment 3,392,389 530,332 4,434,236 57,834 8,414,791 As of December 31, 2019 Allowance for loan losses: Individually Evaluated for Impairment $ 6,085 $ 86 $ 3,633 $ - $ 9,804 Collectively Evaluated for Impairment 37,581 2,682 26,020 497 66,780 Loans: Ending Balance $ 2,696,210 $ 521,392 $ 3,979,060 $ 64,789 $ 7,261,451 Individually Evaluated for Impairment 20,843 4,320 17,985 - 43,148 Collectively Evaluated for Impairment 2,675,367 517,072 3,961,075 64,789 7,218,303 The following table presents details of the Company’s impaired loans as of September 30, 2020 December 31, 2019, not For the three months For the nine months ended September 30, ended September 30, September 30, 2020 2020 2020 Interest Interest Unpaid Average Income Average Income Recorded Principal Related Recorded Recognized Recorded Recognized Investment Balance Allowance Investment in Period Investment in Period (In Thousands) With no allowance recorded: Commercial, financial and agricultural $ 50,898 $ 60,687 $ - $ 61,374 $ 442 $ 61,967 $ 1,605 Real estate - construction - - - - - - - Real estate - mortgage: Owner-occupied commercial 1,581 1,581 - 1,582 12 1,600 52 1-4 family mortgage 2,899 2,899 - 2,882 26 2,814 78 Other mortgage 12,200 12,200 - 12,068 122 12,211 396 Total real estate - mortgage 16,680 16,680 - 16,532 160 16,625 526 Consumer - - - - - - - Total with no allowance recorded 67,578 77,367 - 77,906 602 78,592 2,131 With an allowance recorded: Commercial, financial and agricultural 22,902 23,169 9,204 21,648 102 22,237 535 Real estate - construction 587 637 201 954 - 1,012 - Real estate - mortgage: Owner-occupied commercial 1,252 1,392 146 4,563 3 3,915 97 1-4 family mortgage 412 412 49 398 12 406 12 Other mortgage 1,032 1,032 - 1,022 11 1,077 35 Total real estate - mortgage 2,696 2,836 195 5,983 26 5,398 144 Consumer - - - - - - - Total with allowance recorded 26,185 26,642 9,600 28,585 128 28,647 679 Total Impaired Loans: Commercial, financial and agricultural 73,800 83,856 9,204 83,022 544 84,204 2,140 Real estate - construction 587 637 201 954 - 1,012 - Real estate - mortgage: Owner-occupied commercial 2,833 2,973 146 6,145 15 5,515 149 1-4 family mortgage 3,311 3,311 49 3,280 38 3,220 90 Other mortgage 13,232 13,232 - 13,090 133 13,288 431 Total real estate - mortgage 19,376 19,516 195 22,515 186 22,023 670 Consumer - - - - - - - Total impaired loans $ 93,763 $ 104,009 $ 9,600 $ 106,491 $ 730 $ 107,239 $ 2,810 December 31, 2019 For the twelve months ended December 31, 2019 Unpaid Average Interest Income Recorded Principal Related Recorded Recognized in Investment Balance Allowance Investment Period (In Thousands) With no allowance recorded: Commercial, financial and agricultural $ 9,015 $ 10,563 $ - $ 11,284 $ 562 Real estate - construction 2,731 2,735 - 2,063 126 Real estate - mortgage: Owner-occupied commercial 7,150 7,246 - 7,548 618 1-4 family mortgage 287 287 - 289 2 Other mortgage - - - - - Total real estate - mortgage 7,437 7,533 - 7,837 620 Consumer - - - - - Total with no allowance recorded 19,183 20,831 - 21,184 1,308 With an allowance recorded: Commercial, financial and agricultural 11,828 19,307 6,085 19,714 395 Real estate - construction 1,589 1,589 86 1,614 27 Real estate - mortgage: Owner-occupied commercial 7,888 11,028 2,456 13,627 301 1-4 family mortgage 1,153 1,153 176 1,157 1 Other mortgage 1,507 1,507 1,001 1,468 21 Total real estate - mortgage 10,548 13,688 3,633 16,252 323 Consumer - - - - - Total with allowance recorded 23,965 34,584 9,804 37,580 745 Total Impaired Loans: Commercial, financial and agricultural 20,843 29,870 6,085 30,998 957 Real estate - construction 4,320 4,324 86 3,677 153 Real estate - mortgage: Owner-occupied commercial 15,038 18,274 2,456 21,175 919 1-4 family mortgage 1,440 1,440 176 1,446 3 Other mortgage 1,507 1,507 1,001 1,468 21 Total real estate - mortgage 17,985 21,221 3,633 24,089 943 Consumer - - - - - Total impaired loans $ 43,148 $ 55,415 $ 9,804 $ 58,764 $ 2,053 As of September 30, 2020, 19 19 September 30, 2020. Troubled Debt Restructurings (“TDR”) at September 30, 2020, December 31, 2019 September 30, 2019 September 30, 2020, December 31, 2019 September 30, 2019 September 30, 2020, December 31, 2019 September 30, 2019. three nine September 30, 2020 September 30, 2019 Three Months Ended September 30, 2020 Nine Months Ended September 30, 2020 Pre- Post- Pre- Post- Modification Modification Modification Modification Outstanding Outstanding Outstanding Outstanding Number of Recorded Recorded Number of Recorded Recorded Contracts Investment Investment Contracts Investment Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural 1 $ 214 $ 214 2 $ 564 $ 564 Real estate - construction 1 357 357 1 357 357 Real estate - mortgage: Owner-occupied commercial 1 611 611 1 611 611 1-4 family mortgage - - - - - - Other mortgage - - - - - - Total real estate mortgage 1 611 611 1 611 611 Consumer - - - - - - 3 $ 1,182 $ 1,182 4 $ 1,532 $ 1,532 Three Months Ended September 30, 2019 Nine Months Ended September 30, 2019 Pre- Post- Pre- Post- Modification Modification Modification Modification Outstanding Outstanding Outstanding Outstanding Number of Recorded Recorded Number of Recorded Recorded Contracts Investment Investment Contracts Investment Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural - $ - $ - 1 $ 2,742 $ 2,742 Real estate - construction - - - - - - Real estate - mortgage: Owner-occupied commercial - - - - - - 1-4 family mortgage - - - - - - Other mortgage - - - - - - Total real estate mortgage - - - - - - Consumer - - - - - - - $ - $ - 1 $ 2,742 $ 2,742 There were no loans which were modified in the previous twelve twelve three nine September 30, 2020. twelve three September 30, 2019. two twelve nine September 30, 2019. 90

Note 6 - Leases

Note 6 - Leases	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Lessee, Operating Leases [Text Block]	NOTE 6 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 8.4 years. At September 30, 2020, December 31, 2019 Maturities of operating lease liabilities as of September 30, 2020 September 30, 2020 (In Thousands) 2020 (remaining) $ 839 2021 2,744 2022 2,679 2023 2,205 2024 1,232 thereafter 2,624 Total lease payments 12,323 Less: imputed interest (1,219 ) Present value of operating lease liabilities $ 11,104 As of September 30, 2020, Operating cash flows related to leases were $855,000 and $2.6 million, for the three nine September 30, 2020, three nine September 30, 2019, Lease costs during the three nine September 30, 2020 September 30, 2019 Three Months Ended September 30, 2020 2019 Operating lease cost $ 876 $ 809 Short-term lease cost 13 8 Variable lease cost 77 49 Sublease income (25 ) (23 ) Net lease cost $ 941 $ 843 Nine Months Ended September 30, 2020 2019 Operating lease cost $ 2,623 $ 2,500 Short-term lease cost 45 21 Variable lease cost 165 151 Sublease income (70 ) (35 ) Net lease cost $ 2,763 $ 2,637

Note 7 - Employee and Director

Note 7 - Employee and Director Benefits	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	NOTE 7 - EMPLOYEE AND DIRECTOR BENEFITS Stock Options The Company has a stock-based compensation plan as described below. The compensation cost that has been charged to earnings for the plan was $340,000 and $969,000 for the three nine September 30, 2020 three nine September 30, 2019. The Company’s 2009 ten The Company estimates the fair value of each stock option award using a Black-Scholes-Merton valuation model that uses the assumptions noted in the following table. Expected volatility is based on historical volatilities of the Company’s common stock. 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. 2019 Expected volatility 40.00 % Expected dividends 1.74 % Expected term (in years) 6.7 Risk-free rate 2.56 % There were no grants of stock options during the nine September 30, 2020. nine September 30, 2019 The following table summarizes stock option activity during the nine September 30, 2020 September 30, 2019: Weighted Weighted Average Average Remaining Aggregate Exercise Contractual Intrinsic Shares Price Term (years) Value (In Thousands) Nine Months Ended September 30, 2020: Outstanding at January 1, 2020 965,248 $ 15.19 4.9 $ 21,911 Granted - - - - Exercised (279,300 ) 11.36 3.2 6,330 Forfeited (18,000 ) 30.79 6.4 58 Outstanding at September 30, 2020 667,948 16.37 4.5 $ 11,720 Exercisable at September 30, 2020 209,200 $ 12.41 3.2 $ 4,425 Nine Months Ended September 30, 2019: Outstanding at January 1, 2019 1,238,748 $ 13.02 5.2 $ 23,355 Granted 10,500 34.44 9.4 (14 ) Exercised (239,300 ) 7.02 2.3 6,162 Forfeited (20,200 ) 24.88 6.5 167 Outstanding at September 30, 2019 989,748 14.46 5.0 $ 18,603 Exercisable at September 30, 2019 278,000 $ 7.36 3.1 $ 7,261 As of September 30, 2020, Restricted Stock The Company periodically grants restricted stock awards that vest upon 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 September 30, 2020, The following table summarizes restricted stock activity during the nine September 30, 2020 2019, Shares Weighted Average Grant Date Fair Value Nine Months Ended September 30, 2020: Non-vested at January 1, 2020 71,290 $ 31.53 Granted 29,067 33.20 Vested (19,928 ) 23.64 Forfeited - - Non-vested at September 30, 2020 80,429 34.09 Nine Months Ended September 30, 2019: Non-vested at January 1, 2019 56,576 $ 29.94 Granted 21,274 34.08 Vested (5,200 ) 20.31 Forfeited (2,500 ) 38.17 Non-vested at September 30, 2019 70,150 31.62

Note 8 - Derivatives

Note 8 - Derivatives	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	NOTE 8 - DERIVATIVES 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 September 30, 2020 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 September 30, 2020 December 31, 2019 not

Note 9 - Recently Adopted Accou

Note 9 - Recently Adopted Accounting Pronouncements	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Accounting Standards Update and Change in Accounting Principle [Text Block]	NOTE 9 – RECENTLY ADOPTED ACCOUNTING PRONOUNCEMENTS In July 2018, 2018 13, Fair Value Measurement (Topic 820 no 1 2 3 No. 2018 13 January 1, 2020. 2018 13 no

Note 10 - Recent Accounting Pro

Note 10 - Recent Accounting Pronouncements	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Accounting Changes and Error Corrections [Text Block]	NOTE 10 In June 2016, 2016 13, Financial Instruments-Credit Losses (Topic 326 ): Measurement of Credit Losses on Financial Instruments The CARES Act gave financial institutions the option to delay adoption of ASU 2016 13. 19 December 31, 2020, January 1, 2020. The Company’s CECL implementation team includes leadership from Accounting, Credit Administration and Risk Management. This group works closely with a third - CECL parallel comparisons were performed at September 30, 2020 19 Credit losses for loans that no one The estimation methodology for credit losses on lending-related commitments were similar to the process for estimating credit losses for loans, with the addition of a probability of draw estimate that will be applied to each commitment amount. Based upon the nature and characteristics of our securities portfolios at September 30, 2020, not In March 2020, 2020 04, Reference Rate Reform (Topic 848 March 12, 2020 December 31, 2022. In August 2020, 2020 06, Debt-Debt with Conversion and Other Options (Topic 470 815 no December 15, 2021, not not

Note 11 - Fair Value Measuremen

Note 11 - Fair Value Measurement	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Fair Value Disclosures [Text Block]	NOTE 11 - FAIR VALUE MEASUREMENT 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: 1 Level 2: not Level 3: 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 two 2 not two 3 September 30, 2020 December 31, 2019 Derivative instruments 2 Impaired Loans not not 820 10 3 September 30, 2020 December 31, 2019 three nine September 30, 2020, three nine September 30, 2019, Other Real Estate Owned and repossessed assets not September 30, 2020 December 31, 2019 3 three nine September 30, 2020, three nine September 30, 2019, 3 There were no September 30, 2020, one December 31, 2019. The following table presents the Company’s financial assets and financial liabilities carried at fair value on a recurring basis as of September 30, 2020 December 31, 2019: Fair Value Measurements at September 30, 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 $ - $ 19,426 $ - $ 19,426 Government agency securities - 15,521 - 15,521 Mortgage-backed securities - 518,062 - 518,062 State and municipal securities - 37,408 - 37,408 Corporate debt - 316,051 6,581 322,632 Total available-for-sale debt securities - 906,468 6,581 913,049 Interest rate cap derivative - 200 - 200 Total assets at fair value $ - $ 906,668 $ 6,581 $ 913,249 Fair Value Measurements at December 31, 2019 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 $ - $ 49,210 $ - $ 49,210 Government agency securities - 18,386 - 18,386 Mortgage-backed securities - 474,054 - 474,054 State and municipal securities - 57,272 - 57,272 Corporate debt - 153,881 6,596 160,477 Total assets at fair value $ - $ 752,803 $ 6,596 $ 759,399 The following table presents the Company’s financial assets and financial liabilities carried at fair value on a nonrecurring basis as of September 30, 2020 December 31, 2019: Fair Value Measurements at September 30, 2020 Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Impaired loans $ - $ - $ 84,163 $ 84,163 Other real estate owned and repossessed assets - - 6,976 6,976 Total assets at fair value $ - $ - $ 91,139 $ 91,139 Fair Value Measurements at December 31, 2019 Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Impaired loans $ - $ - $ 33,344 $ 33,344 Other real estate owned and repossessed assets - - 8,178 8,178 Total assets at fair value $ - $ - $ 41,522 $ 41,522 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 September 30, 2020 December 31, 2019 September 30, 2020 December 31, 2019 Carrying Carrying Amount Fair Value Amount Fair Value (In Thousands) Financial Assets: Level 1 inputs: Cash and due from banks $ 1,622,069 $ 1,622,069 $ 530,127 $ 530,127 Level 2 inputs: Federal funds sold 1,302 1,302 100,473 100,473 Mortgage loans held for sale 21,472 22,244 6,302 6,312 Level 3 inputs: Held to maturity debt securities 250 250 250 250 Loans, net 8,331,951 8,232,972 7,151,523 7,099,198 Financial liabilities: Level 2 inputs: Deposits $ 9,673,783 $ 9,687,830 $ 7,530,433 $ 7,534,984 Federal funds purchased 669,350 669,350 470,749 470,749 Other borrowings 64,719 63,840 64,703

Note 12 - Subsequent Events

Note 12 - Subsequent Events	9 Months Ended
	Sep. 30, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 12 On October 21, 2020, October 21, 2030. 1933, June 30 th December 31 st December 31, 2020, may not October 21, 2025. July 15, 2015.

Note 3 - Earnings Per Common _2

Note 3 - Earnings Per Common Share (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended September 30, Nine Months Ended September 30, 2020 2019 2020 2019 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 53,893,753 53,544,747 53,817,928 53,508,710 Net income available to common stockholders $ 43,362 $ 37,563 $ 118,557 $ 108,175 Basic earnings per common share $ 0.80 $ 0.70 $ 2.20 $ 2.02 Weighted average common shares outstanding 53,893,753 53,544,747 53,817,928 53,508,710 Dilutive effects of assumed conversions and exercise of stock options and warrants 339,212 551,621 380,494 578,700 Weighted average common and dilutive potential common shares outstanding 54,232,965 54,096,368 54,198,422 54,087,410 Net income available to common stockholders $ 43,362 $ 37,563 $ 118,557 $ 108,175 Diluted earnings per common share $ 0.80 $ 0.69 $ 2.19 $ 2.00

Note 4 - Securities (Tables)

Note 4 - Securities (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Unrealized Gain (Loss) on Investments [Table Text Block]	Gross Gross Amortized Unrealized Unrealized Market Cost Gain Loss Value September 30, 2020 (In Thousands) Securities Available for Sale U.S. Treasury securities $ 18,990 $ 436 $ - $ 19,426 Government agencies 15,222 299 - 15,521 Mortgage-backed securities 500,251 17,879 (68 ) 518,062 State and municipal securities 36,922 486 - 37,408 Corporate debt 317,887 5,638 (893 ) 322,632 Total $ 889,272 $ 24,738 $ (961 ) $ 913,049 Securities Held to Maturity State and municipal securities 250 - - 250 Total $ 250 $ - $ - $ 250 December 31, 2019 Securities Available for Sale U.S. Treasury securities $ 48,923 $ 291 $ (4 ) $ 49,210 Government agencies 18,245 143 (2 ) 18,386 Mortgage-backed securities 470,513 4,859 (1,318 ) 474,054 State and municipal securities 56,951 335 (14 ) 57,272 Corporate debt 157,549 3,098 (170 ) 160,477 Total $ 752,181 $ 8,726 $ (1,508 ) $ 759,399 Securities Held to Maturity State and municipal securities 250 - - 250 Total $ 250 $ - $ - $ 250
Fair Value, Assets Measured on Recurring Basis [Table Text Block]	September 30, 2020 December 31, 2019 Amortized Cost Fair Value Amortized Cost Fair Value (In thousands) Debt securities available for sale Due within one year $ 22,531 $ 22,627 $ 58,722 $ 58,975 Due from one to five years 78,998 81,105 90,034 91,005 Due from five to ten years 191,528 194,527 129,501 131,914 Due after ten years 95,964 96,728 3,411 3,451 Mortgage-backed securities 500,251 518,062 470,513 474,054 $ 889,272 $ 913,049 $ 752,181 $ 759,399 Debt securities held to maturity 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) September 30, 2020 U.S. Treasury securities $ - $ - $ - $ - $ - $ - Government agency securities - - - - - - Mortgage-backed securities (68 ) 34,639 - - (68 ) 34,639 State and municipal securities (1) - - - - - - Corporate debt (893 ) 87,212 - - (893 ) 87,212 Total $ (961 ) $ 121,851 $ - $ - $ (961 ) $ 121,851 December 31, 2019 U.S. Treasury securities $ (4 ) $ 3,012 $ - $ - $ (4 ) $ 3,012 Government agency securities (2 ) 266 - - (2 ) 266 Mortgage-backed securities (1,206 ) 153,330 (112 ) 24,911 (1,318 ) 178,241 State and municipal securities (4 ) 1,900 (10 ) 2,647 (14 ) 4,547 Corporate debt (170 ) 19,981 - - (170 ) 19,981 Total $ (1,386 ) $ 178,489 $ (122 ) $ 27,558 $ (1,508 ) $ 206,047

Note 5 - Loans (Tables)

Note 5 - Loans (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	September 30, December 31, 2020 2019 (Dollars In Thousands) Commercial, financial and agricultural $ 3,466,189 $ 2,696,210 Real estate - construction 530,919 521,392 Real estate - mortgage: Owner-occupied commercial 1,725,222 1,587,478 1-4 family mortgage 671,841 644,188 Other mortgage 2,056,549 1,747,394 Subtotal: Real estate - mortgage 4,453,612 3,979,060 Consumer 57,834 64,789 Total Loans 8,508,554 7,261,451 Less: Allowance for loan losses (92,440 ) (76,584 ) Net Loans $ $ 7,184,867 Commercial, financial and agricultural 40.74 % 37.13 % Real estate - construction 6.24 % 7.18 % Real estate - mortgage: Owner-occupied commercial 20.27 % 21.86 % 1-4 family mortgage 7.90 % 8.87 % Other mortgage 24.17 % 24.07 % Subtotal: Real estate - mortgage 52.34 % 54.80 % Consumer 0.68 % 0.89 % Total Loans 100.00 % 100.00 %
Financing Receivable Credit Quality Indicators [Table Text Block]	Special September 30, 2020 Pass Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 3,374,467 $ 17,955 $ 73,767 $ - $ 3,466,189 Real estate - construction 527,231 3,100 588 - 530,919 Real estate - mortgage: Owner-occupied commercial 1,708,113 14,280 2,829 - 1,725,222 1-4 family mortgage 666,463 2,065 3,313 - 671,841 Other mortgage 2,031,328 12,006 13,215 - 2,056,549 Total real estate mortgage 4,405,904 28,351 19,357 - 4,453,612 Consumer 57,785 49 - - 57,834 Total $ 8,365,387 $ 49,455 $ 93,712 $ - $ 8,508,554 Special December 31, 2019 Pass Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 2,629,487 $ 46,176 $ 20,547 $ - $ 2,696,210 Real estate - construction 512,373 4,731 4,288 - 521,392 Real estate - mortgage: Owner-occupied commercial 1,555,283 18,240 13,955 - 1,587,478 1-4 family mortgage 639,959 2,787 1,442 - 644,188 Other mortgage 1,735,869 10,018 1,507 - 1,747,394 Total real estate mortgage 3,931,111 31,045 16,904 - 3,979,060 Consumer 64,789 - - - 64,789 Total $ 7,137,760 $ 81,952 $ 41,739 $ - $ 7,261,451
Financing Receivable, Credit Substitute, Credit Quality Indicator [Table Text Block]	September 30, 2020 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 3,447,490 $ 18,699 $ 3,466,189 Real estate - construction 530,332 587 530,919 Real estate - mortgage: Owner-occupied commercial 1,723,384 1,838 1,725,222 1-4 family mortgage 671,227 614 671,841 Other mortgage 2,051,722 4,827 2,056,549 Total real estate mortgage 4,446,333 7,279 4,453,612 Consumer 57,826 8 57,834 Total $ 8,481,981 $ 26,573 $ 8,508,554 December 31, 2019 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,681,280 $ 14,930 $ 2,696,210 Real estate - construction 519,803 1,589 521,392 Real estate - mortgage: Owner-occupied commercial 1,576,652 10,826 1,587,478 1-4 family mortgage 641,875 2,313 644,188 Other mortgage 1,740,963 6,431 1,747,394 Total real estate mortgage 3,959,490 19,570 3,979,060 Consumer 64,766 23 64,789 Total $ 7,225,339 $ 36,112 $ 7,261,451
Financing Receivable, Past Due [Table Text Block]	September 30, 2020 Past Due Status (Accruing Loans) Total Past 30-59 Days 60-89 Days 90+ Days Due Non-Accrual Current Total Loans (In Thousands) Commercial, financial and agricultural $ 721 $ 3,102 $ 63 $ 3,886 $ 18,636 $ 3,443,667 $ 3,466,189 Real estate - construction - - - - 587 530,332 530,919 Real estate - mortgage: Owner-occupied commercial - - - - 1,838 1,723,384 1,725,222 1-4 family mortgage 211 320 - 531 614 670,696 671,841 Other mortgage - - 4,827 4,827 - 2,051,722 2,056,549 Total real estate - mortgage 211 320 4,827 5,358 2,452 4,445,802 4,453,612 Consumer 36 6 8 50 - 57,784 57,834 Total $ 968 $ 3,428 $ 4,898 $ 9,294 $ 21,675 $ 8,477,585 $ 8,508,554 December 31, 2019 Past Due Status (Accruing Loans) Total Past 30-59 Days 60-89 Days 90+ Days Due Non-Accrual Current Total Loans (In Thousands) Commercial, financial and agricultural $ 3,135 $ 344 $ 201 $ 3,680 $ 14,729 $ 2,677,801 $ 2,696,210 Real estate - construction 830 - - 830 1,589 518,973 521,392 Real estate - mortgage: Owner-occupied commercial 917 7,242 - 8,159 10,826 1,568,493 1,587,478 1-4 family mortgage 1,638 567 873 3,078 1,440 639,670 644,188 Other mortgage - - 4,924 4,924 1,507 1,740,963 1,747,394 Total real estate - mortgage 2,555 7,809 5,797 16,161 13,773 3,949,126 3,979,060 Consumer 35 25 23 83 - 64,706 64,789 Total $ 6,555 $ 8,178 $ 6,021 $ 20,754 $ 30,091 $ 7,210,606 $ 7,261,451
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 September 30, 2020 Allowance for loan losses: Balance at June 30, 2020 $ 47,986 $ 4,531 $ 38,399 $ 591 $ 91,507 Charge-offs (11,146 ) - (200 ) (44 ) (11,390 ) Recoveries 12 - 12 15 39 Provision 12,421 (441 ) 304 - 12,284 Balance at September 30, 2020 $ 49,273 $ 4,090 $ 38,515 $ 562 $ 92,440 Three Months Ended September 30, 2019 Allowance for loan losses: Balance at June, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 Charge-offs (3,626 ) - (4,974 ) (172 ) (8,772 ) Recoveries 126 1 - 60 187 Allocation from LGP 4,905 115 2,386 - 7,406 Provision 5,108 (343 ) 2,069 151 6,985 Balance at September 30, 2019 $ 45,222 $ 3,192 $ 28,264 $ 514 $ 77,192 Nine Months Ended September 30, 2020 Balance at December 31, 2019 Allowance for loan losses: $ 43,666 $ 2,768 $ 29,653 $ 497 $ 76,584 Charge-offs (15,144 ) (830 ) (4,397 ) (165 ) (20,536 ) Recoveries 158 2 26 55 241 Provision 20,593 2,150 13,233 175 36,151 Balance at September 30, 2020 $ 49,273 $ 4,090 $ 38,515 $ 562 $ 92,440 Nine Months Ended September 30, 2019 Allowance for loan losses: Balance at December 31, 2018 $ 39,016 $ 3,522 $ 25,508 $ 554 $ 68,600 Charge-offs (10,273 ) - (5,193 ) (453 ) (15,919 ) Recoveries 255 2 11 83 351 Allocation from LGP 4,905 115 2,386 - 7,406 Provision 11,319 (447 ) 5,552 330 16,754 Balance at September 30, 2019 $ 45,222 $ 3,192 $ 28,264 $ 514 $ 77,192 As of September 30, 2020 Allowance for loan losses: Individually Evaluated for Impairment $ 9,204 $ 201 $ 195 $ - $ 9,600 Collectively Evaluated for Impairment 40,069 3,889 38,320 562 82,840 Loans: Ending Balance $ 3,466,189 $ 530,919 $ 4,453,612 $ 57,834 $ 8,508,554 Individually Evaluated for Impairment 73,800 587 19,376 - 93,763 Collectively Evaluated for Impairment 3,392,389 530,332 4,434,236 57,834 8,414,791 As of December 31, 2019 Allowance for loan losses: Individually Evaluated for Impairment $ 6,085 $ 86 $ 3,633 $ - $ 9,804 Collectively Evaluated for Impairment 37,581 2,682 26,020 497 66,780 Loans: Ending Balance $ 2,696,210 $ 521,392 $ 3,979,060 $ 64,789 $ 7,261,451 Individually Evaluated for Impairment 20,843 4,320 17,985 - 43,148 Collectively Evaluated for Impairment 2,675,367 517,072 3,961,075 64,789 7,218,303
Impaired Financing Receivables [Table Text Block]	For the three months For the nine months ended September 30, ended September 30, September 30, 2020 2020 2020 Interest Interest Unpaid Average Income Average Income Recorded Principal Related Recorded Recognized Recorded Recognized Investment Balance Allowance Investment in Period Investment in Period (In Thousands) With no allowance recorded: Commercial, financial and agricultural $ 50,898 $ 60,687 $ - $ 61,374 $ 442 $ 61,967 $ 1,605 Real estate - construction - - - - - - - Real estate - mortgage: Owner-occupied commercial 1,581 1,581 - 1,582 12 1,600 52 1-4 family mortgage 2,899 2,899 - 2,882 26 2,814 78 Other mortgage 12,200 12,200 - 12,068 122 12,211 396 Total real estate - mortgage 16,680 16,680 - 16,532 160 16,625 526 Consumer - - - - - - - Total with no allowance recorded 67,578 77,367 - 77,906 602 78,592 2,131 With an allowance recorded: Commercial, financial and agricultural 22,902 23,169 9,204 21,648 102 22,237 535 Real estate - construction 587 637 201 954 - 1,012 - Real estate - mortgage: Owner-occupied commercial 1,252 1,392 146 4,563 3 3,915 97 1-4 family mortgage 412 412 49 398 12 406 12 Other mortgage 1,032 1,032 - 1,022 11 1,077 35 Total real estate - mortgage 2,696 2,836 195 5,983 26 5,398 144 Consumer - - - - - - - Total with allowance recorded 26,185 26,642 9,600 28,585 128 28,647 679 Total Impaired Loans: Commercial, financial and agricultural 73,800 83,856 9,204 83,022 544 84,204 2,140 Real estate - construction 587 637 201 954 - 1,012 - Real estate - mortgage: Owner-occupied commercial 2,833 2,973 146 6,145 15 5,515 149 1-4 family mortgage 3,311 3,311 49 3,280 38 3,220 90 Other mortgage 13,232 13,232 - 13,090 133 13,288 431 Total real estate - mortgage 19,376 19,516 195 22,515 186 22,023 670 Consumer - - - - - - - Total impaired loans $ 93,763 $ 104,009 $ 9,600 $ 106,491 $ 730 $ 107,239 $ 2,810 December 31, 2019 For the twelve months ended December 31, 2019 Unpaid Average Interest Income Recorded Principal Related Recorded Recognized in Investment Balance Allowance Investment Period (In Thousands) With no allowance recorded: Commercial, financial and agricultural $ 9,015 $ 10,563 $ - $ 11,284 $ 562 Real estate - construction 2,731 2,735 - 2,063 126 Real estate - mortgage: Owner-occupied commercial 7,150 7,246 - 7,548 618 1-4 family mortgage 287 287 - 289 2 Other mortgage - - - - - Total real estate - mortgage 7,437 7,533 - 7,837 620 Consumer - - - - - Total with no allowance recorded 19,183 20,831 - 21,184 1,308 With an allowance recorded: Commercial, financial and agricultural 11,828 19,307 6,085 19,714 395 Real estate - construction 1,589 1,589 86 1,614 27 Real estate - mortgage: Owner-occupied commercial 7,888 11,028 2,456 13,627 301 1-4 family mortgage 1,153 1,153 176 1,157 1 Other mortgage 1,507 1,507 1,001 1,468 21 Total real estate - mortgage 10,548 13,688 3,633 16,252 323 Consumer - - - - - Total with allowance recorded 23,965 34,584 9,804 37,580 745 Total Impaired Loans: Commercial, financial and agricultural 20,843 29,870 6,085 30,998 957 Real estate - construction 4,320 4,324 86 3,677 153 Real estate - mortgage: Owner-occupied commercial 15,038 18,274 2,456 21,175 919 1-4 family mortgage 1,440 1,440 176 1,446 3 Other mortgage 1,507 1,507 1,001 1,468 21 Total real estate - mortgage 17,985 21,221 3,633 24,089 943 Consumer - - - - - Total impaired loans $ 43,148 $ 55,415 $ 9,804 $ 58,764 $ 2,053
Financing Receivable, Troubled Debt Restructuring [Table Text Block]	Three Months Ended September 30, 2020 Nine Months Ended September 30, 2020 Pre- Post- Pre- Post- Modification Modification Modification Modification Outstanding Outstanding Outstanding Outstanding Number of Recorded Recorded Number of Recorded Recorded Contracts Investment Investment Contracts Investment Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural 1 $ 214 $ 214 2 $ 564 $ 564 Real estate - construction 1 357 357 1 357 357 Real estate - mortgage: Owner-occupied commercial 1 611 611 1 611 611 1-4 family mortgage - - - - - - Other mortgage - - - - - - Total real estate mortgage 1 611 611 1 611 611 Consumer - - - - - - 3 $ 1,182 $ 1,182 4 $ 1,532 $ 1,532 Three Months Ended September 30, 2019 Nine Months Ended September 30, 2019 Pre- Post- Pre- Post- Modification Modification Modification Modification Outstanding Outstanding Outstanding Outstanding Number of Recorded Recorded Number of Recorded Recorded Contracts Investment Investment Contracts Investment Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural - $ - $ - 1 $ 2,742 $ 2,742 Real estate - construction - - - - - - Real estate - mortgage: Owner-occupied commercial - - - - - - 1-4 family mortgage - - - - - - Other mortgage - - - - - - Total real estate mortgage - - - - - - Consumer - - - - - - - $ - $ - 1 $ 2,742 $ 2,742

Note 6 - Leases (Tables)

Note 6 - Leases (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	September 30, 2020 (In Thousands) 2020 (remaining) $ 839 2021 2,744 2022 2,679 2023 2,205 2024 1,232 thereafter 2,624 Total lease payments 12,323 Less: imputed interest (1,219 ) Present value of operating lease liabilities $ 11,104
Lease, Cost [Table Text Block]	Three Months Ended September 30, 2020 2019 Operating lease cost $ 876 $ 809 Short-term lease cost 13 8 Variable lease cost 77 49 Sublease income (25 ) (23 ) Net lease cost $ 941 $ 843 Nine Months Ended September 30, 2020 2019 Operating lease cost $ 2,623 $ 2,500 Short-term lease cost 45 21 Variable lease cost 165 151 Sublease income (70 ) (35 ) Net lease cost $ 2,763 $ 2,637

Note 7 - Employee and Directo_2

Note 7 - Employee and Director Benefits (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	2019 Expected volatility 40.00 % Expected dividends 1.74 % Expected term (in years) 6.7 Risk-free rate 2.56 %
Share-based Payment Arrangement, Option, Activity [Table Text Block]	Weighted Weighted Average Average Remaining Aggregate Exercise Contractual Intrinsic Shares Price Term (years) Value (In Thousands) Nine Months Ended September 30, 2020: Outstanding at January 1, 2020 965,248 $ 15.19 4.9 $ 21,911 Granted - - - - Exercised (279,300 ) 11.36 3.2 6,330 Forfeited (18,000 ) 30.79 6.4 58 Outstanding at September 30, 2020 667,948 16.37 4.5 $ 11,720 Exercisable at September 30, 2020 209,200 $ 12.41 3.2 $ 4,425 Nine Months Ended September 30, 2019: Outstanding at January 1, 2019 1,238,748 $ 13.02 5.2 $ 23,355 Granted 10,500 34.44 9.4 (14 ) Exercised (239,300 ) 7.02 2.3 6,162 Forfeited (20,200 ) 24.88 6.5 167 Outstanding at September 30, 2019 989,748 14.46 5.0 $ 18,603 Exercisable at September 30, 2019 278,000 $ 7.36 3.1 $ 7,261
Nonvested Restricted Stock Shares Activity [Table Text Block]	Shares Weighted Average Grant Date Fair Value Nine Months Ended September 30, 2020: Non-vested at January 1, 2020 71,290 $ 31.53 Granted 29,067 33.20 Vested (19,928 ) 23.64 Forfeited - - Non-vested at September 30, 2020 80,429 34.09 Nine Months Ended September 30, 2019: Non-vested at January 1, 2019 56,576 $ 29.94 Granted 21,274 34.08 Vested (5,200 ) 20.31 Forfeited (2,500 ) 38.17 Non-vested at September 30, 2019 70,150 31.62

Note 11 - Fair Value Measurem_2

Note 11 - Fair Value Measurement (Tables)	9 Months Ended
	Sep. 30, 2020
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Fair Value Measurements at September 30, 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 $ - $ 19,426 $ - $ 19,426 Government agency securities - 15,521 - 15,521 Mortgage-backed securities - 518,062 - 518,062 State and municipal securities - 37,408 - 37,408 Corporate debt - 316,051 6,581 322,632 Total available-for-sale debt securities - 906,468 6,581 913,049 Interest rate cap derivative - 200 - 200 Total assets at fair value $ - $ 906,668 $ 6,581 $ 913,249 Fair Value Measurements at December 31, 2019 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 $ - $ 49,210 $ - $ 49,210 Government agency securities - 18,386 - 18,386 Mortgage-backed securities - 474,054 - 474,054 State and municipal securities - 57,272 - 57,272 Corporate debt - 153,881 6,596 160,477 Total assets at fair value $ - $ 752,803 $ 6,596 $ 759,399
Fair Value Measurements, Nonrecurring [Table Text Block]	Fair Value Measurements at September 30, 2020 Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Impaired loans $ - $ - $ 84,163 $ 84,163 Other real estate owned and repossessed assets - - 6,976 6,976 Total assets at fair value $ - $ - $ 91,139 $ 91,139 Fair Value Measurements at December 31, 2019 Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Total Assets Measured on a Nonrecurring Basis: (In Thousands) Impaired loans $ - $ - $ 33,344 $ 33,344 Other real estate owned and repossessed assets - - 8,178 8,178 Total assets at fair value $ - $ - $ 41,522 $ 41,522
Fair Value, by Balance Sheet Grouping [Table Text Block]	September 30, 2020 December 31, 2019 Carrying Carrying Amount Fair Value Amount Fair Value (In Thousands) Financial Assets: Level 1 inputs: Cash and due from banks $ 1,622,069 $ 1,622,069 $ 530,127 $ 530,127 Level 2 inputs: Federal funds sold 1,302 1,302 100,473 100,473 Mortgage loans held for sale 21,472 22,244 6,302 6,312 Level 3 inputs: Held to maturity debt securities 250 250 250 250 Loans, net 8,331,951 8,232,972 7,151,523 7,099,198 Financial liabilities: Level 2 inputs: Deposits $ 9,673,783 $ 9,687,830 $ 7,530,433 $ 7,534,984 Federal funds purchased 669,350 669,350 470,749 470,749 Other borrowings 64,719 63,840 64,703

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		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Weighted average common shares outstanding (in shares)	53,893,753	53,544,747	53,817,928	53,508,710
Net income available to common stockholders	$ 43,362	$ 37,563	$ 118,557	$ 108,175
Basic earnings per common share (in dollars per share)	$ 0.80	$ 0.70	$ 2.20	$ 2.02
Dilutive effects of assumed conversions and exercise of stock options and warrants (in shares)	339,212	551,621	380,494	578,700
Weighted average common and dilutive potential common shares outstanding (in shares)	54,232,965	54,096,368	54,198,422	54,087,410
Net income available to common stockholders	$ 43,362	$ 37,563	$ 118,557	$ 108,175
Diluted earnings per common share (in dollars per share)	$ 0.80	$ 0.69	$ 2.19	$ 2

Note 4 - Securities (Details Te

Note 4 - Securities (Details Textual) $ in Millions	Sep. 30, 2020USD ($)	Dec. 31, 2019USD ($)
Pledged Financial Instruments, Not Separately Reported, Securities, Total	$ 431	$ 389.9
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	641

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	Sep. 30, 2020	Dec. 31, 2019
Available for sale, amortized cost	$ 889,272	$ 752,181
Available for sale, gross unrealized gain	24,738	8,726
Available for sale, gross unrealized loss	(961)	(1,508)
Available for sale debt securities, at fair value	913,049	759,399	[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	18,990	48,923
Available for sale, gross unrealized gain	436	291
Available for sale, gross unrealized loss	0	(4)
Available for sale debt securities, at fair value	19,426	49,210
US Government Agencies Debt Securities [Member]
Available for sale, amortized cost	15,222	18,245
Available for sale, gross unrealized gain	299	143
Available for sale, gross unrealized loss	0	(2)
Available for sale debt securities, at fair value	15,521	18,386
Collateralized Mortgage Backed Securities [Member]
Available for sale, amortized cost	500,251	470,513
Available for sale, gross unrealized gain	17,879	4,859
Available for sale, gross unrealized loss	(68)	(1,318)
Available for sale debt securities, at fair value	518,062	474,054
US States and Political Subdivisions Debt Securities [Member]
Available for sale, amortized cost	36,922	56,951
Available for sale, gross unrealized gain	486	335
Available for sale, gross unrealized loss	0	(14)
Available for sale debt securities, at fair value	37,408	57,272
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	317,887	157,549
Available for sale, gross unrealized gain	5,638	3,098
Available for sale, gross unrealized loss	(893)	(170)
Available for sale debt securities, at fair value	$ 322,632	$ 160,477
[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	Sep. 30, 2020	Dec. 31, 2019
Due within one year, amortized cost	$ 22,531	$ 58,722
Due within one year, fair value	22,627	58,975
Due from one to five years, amortized cost	78,998	90,034
Due from one to five years, fair value	81,105	91,005
Due from five to ten years, amortized cost	191,528	129,501
Due from five to ten years, fair value	194,527	131,914
Due after ten years, amortized cost	95,964	3,411
Due after ten years, fair value	96,728	3,451
Mortgage-backed securities, amortized cost	500,251	470,513
Mortgage-backed securities, fair value	518,062	474,054
Available for sale, amortized cost	889,272	752,181
Available for sale, fair value	913,049	759,399	[1]
Due from one to five years, amortized cost	250	250
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	Sep. 30, 2020		Dec. 31, 2019
Less Than Twelve Months, Gross Unrealized Losses	$ (961)		$ (1,386)
Less Than Twelve Months, Fair Value	121,851		178,489
Twelve Months or More, Gross Unrealized Losses	0		(122)
Twelve Months or More, Fair Value	0		27,558
Total, Gross Unrealized Losses	(961)		(1,508)
Total, Fair Value	121,851		206,047
US Treasury and Government [Member]
Less Than Twelve Months, Gross Unrealized Losses	0		(4)
Less Than Twelve Months, Fair Value	0		3,012
Twelve Months or More, Fair Value	0		0
Total, Gross Unrealized Losses	0		(4)
Total, Fair Value	0		3,012
US Treasury Securities [Member]
Twelve Months or More, Gross Unrealized Losses	0		0
US Government Agencies Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	0		(2)
Less Than Twelve Months, Fair Value	0		266
Twelve Months or More, Gross Unrealized Losses	0		0
Twelve Months or More, Fair Value	0		0
Total, Gross Unrealized Losses	0		(2)
Total, Fair Value	0		266
Collateralized Mortgage Backed Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(68)		(1,206)
Less Than Twelve Months, Fair Value	34,639		153,330
Twelve Months or More, Gross Unrealized Losses	0		(112)
Twelve Months or More, Fair Value	0		24,911
Total, Gross Unrealized Losses	(68)		(1,318)
Total, Fair Value	34,639		178,241
US States and Political Subdivisions Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	0		(4)
Less Than Twelve Months, Fair Value	0	[1]	1,900
Twelve Months or More, Gross Unrealized Losses	0		(10)
Twelve Months or More, Fair Value	0		2,647
Total, Gross Unrealized Losses	0		(14)
Total, Fair Value	0		4,547
Corporate Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(893)		(170)
Less Than Twelve Months, Fair Value	87,212		19,981
Twelve Months or More, Gross Unrealized Losses	0		0
Twelve Months or More, Fair Value	0		0
Total, Gross Unrealized Losses	(893)		(170)
Total, Fair Value	$ 87,212		$ 19,981
[1]	The municipal security with an unrealized loss for twelve months or more has an unrealized loss of $129.60.

Note 5 - Loans (Details Textual

Note 5 - Loans (Details Textual)	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2020USD ($)	Jun. 30, 2020USD ($)	Sep. 30, 2019USD ($)	Sep. 30, 2020USD ($)	Sep. 30, 2019USD ($)	Dec. 31, 2019USD ($)
Number of Loans Funded, Payroll Protection Plan	4,900			4,900
Amount of Loans Funded, Payment Protection Plan	$ 1,050,000,000			$ 1,050,000,000
Provision for Loan and Lease Losses, Total	$ 12,284,000		$ 6,985,000	$ 36,151,000	$ 16,754,000
Termination of Loan Guaratee, Close-out Payment			7,400,000
Financing Receivable, Number of Payment Deferrals	42			42
Financing Receivable, Payment Deferral, Recorded Investment	$ 28,200,000			$ 28,200,000
Financing Receivable, Troubled Debt Restructuring	2,700,000		11,200,000	2,700,000	11,200,000	$ 3,300,000
Financing Receivable, Modifications, Recorded Investment, Accruing Interest	$ 1,800,000		$ 3,500,000	1,800,000	3,500,000	625,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down				$ 534,000	$ 1,800,000	$ 929,000
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	0		0	0
Commercial Portfolio Segment [Member]
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts					2
Financing Receivable, Troubled Debt Restructuring, Subsequent Default					$ 325,000
Principal Only Deferrals [Member]
Financing Receivable, Number of Payment Deferrals	9			9
Financing Receivable, Payment Deferral, Recorded Investment	$ 5,100,000			$ 5,100,000
Interest Only Deferral [Member]
Financing Receivable, Number of Payment Deferrals	4			4
Financing Receivable, Payment Deferral, Recorded Investment	$ 3,200,000			$ 3,200,000
Principal and Interest Deferrals [Member]
Financing Receivable, Number of Payment Deferrals	29			29
Financing Receivable, Payment Deferral, Recorded Investment	$ 19,900,000			$ 19,900,000
COVID-19 [Member]
Provision for Loan and Lease Losses, Total	11,300,000	$ 14,900,000
Increase (Decrease) in Provision for Loan and Lease Losses, Total	(3,600,000)
Loans Excluding PPP Loans [Member]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Total	25,300,000			25,300,000
PPP Loans [Member]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums During Period	$ 4,000,000			$ 6,600,000

Note 5 - Loans - Summary of Loa

Note 5 - Loans - Summary of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019		Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Financing receivable, gross	$ 8,508,554		$ 7,261,451
Less allowance for loan losses	(92,440)	$ (91,507)	(76,584)	[1]	$ (77,192)	$ (71,386)	$ (68,600)
Net Loans	$ 8,416,114		$ 7,184,867	[1]
Financing receivable, gross percentage	100.00%		100.00%
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	$ 3,466,189		$ 2,696,210
Less allowance for loan losses	$ (49,273)	(47,986)	$ (43,666)		(45,222)	(38,709)	(39,016)
Financing receivable, gross percentage	40.74%		37.13%
Real Estate Portfolio Segment[Member]
Financing receivable, gross	$ 4,453,612		$ 3,979,060
Financing receivable, gross percentage	52.34%		54.80%
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	$ 530,919		$ 521,392
Less allowance for loan losses	$ (4,090)	(4,531)	$ (2,768)		(3,192)	(3,419)	(3,522)
Financing receivable, gross percentage	6.24%		7.18%
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	$ 1,725,222		$ 1,587,478
Financing receivable, gross percentage	20.27%		21.86%
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	$ 671,841		$ 644,188
Financing receivable, gross percentage	7.90%		8.87%
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	$ 2,056,549		$ 1,747,394
Financing receivable, gross percentage	24.17%		24.07%
Consumer Portfolio Segment [Member]
Financing receivable, gross	$ 57,834		$ 64,789
Less allowance for loan losses	$ (562)	$ (591)	$ (497)		$ (514)	$ (475)	$ (554)
Financing receivable, gross percentage	0.68%		0.89%
[1]	Derived from audited financial statements.

Note 5 - Loans - Loans by Credi

Note 5 - Loans - Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing receivable, gross	$ 8,508,554	$ 7,261,451
Pass [Member]
Financing receivable, gross	8,365,387	7,137,760
Special Mention [Member]
Financing receivable, gross	49,455	81,952
Substandard [Member]
Financing receivable, gross	93,712	41,739
Doubtful [Member]
Financing receivable, gross	0	0
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	3,466,189	2,696,210
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Financing receivable, gross	3,374,467	2,629,487
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing receivable, gross	17,955	46,176
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Financing receivable, gross	73,767	20,547
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
Financing receivable, gross	0	0
Real Estate Portfolio Segment[Member]
Financing receivable, gross	4,453,612	3,979,060
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	530,919	521,392
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,725,222	1,587,478
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	671,841	644,188
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	2,056,549	1,747,394
Real Estate Portfolio Segment[Member] | Pass [Member]
Financing receivable, gross	4,405,904	3,931,111
Real Estate Portfolio Segment[Member] | Pass [Member] | Construction Loans [Member]
Financing receivable, gross	527,231	512,373
Real Estate Portfolio Segment[Member] | Pass [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,708,113	1,555,283
Real Estate Portfolio Segment[Member] | Pass [Member] | One to Four Family [Member]
Financing receivable, gross	666,463	639,959
Real Estate Portfolio Segment[Member] | Pass [Member] | Other Mortgages [Member]
Financing receivable, gross	2,031,328	1,735,869
Real Estate Portfolio Segment[Member] | Special Mention [Member]
Financing receivable, gross	28,351	31,045
Real Estate Portfolio Segment[Member] | Special Mention [Member] | Construction Loans [Member]
Financing receivable, gross	3,100	4,731
Real Estate Portfolio Segment[Member] | Special Mention [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	14,280	18,240
Real Estate Portfolio Segment[Member] | Special Mention [Member] | One to Four Family [Member]
Financing receivable, gross	2,065	2,787
Real Estate Portfolio Segment[Member] | Special Mention [Member] | Other Mortgages [Member]
Financing receivable, gross	12,006	10,018
Real Estate Portfolio Segment[Member] | Substandard [Member]
Financing receivable, gross	19,357	16,904
Real Estate Portfolio Segment[Member] | Substandard [Member] | Construction Loans [Member]
Financing receivable, gross	588	4,288
Real Estate Portfolio Segment[Member] | Substandard [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	2,829	13,955
Real Estate Portfolio Segment[Member] | Substandard [Member] | One to Four Family [Member]
Financing receivable, gross	3,313	1,442
Real Estate Portfolio Segment[Member] | Substandard [Member] | Other Mortgages [Member]
Financing receivable, gross	13,215	1,507
Real Estate Portfolio Segment[Member] | Doubtful [Member]
Financing receivable, gross	0	0
Real Estate Portfolio Segment[Member] | Doubtful [Member] | Construction Loans [Member]
Financing receivable, gross	0	0
Real Estate Portfolio Segment[Member] | Doubtful [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	0	0
Real Estate Portfolio Segment[Member] | Doubtful [Member] | One to Four Family [Member]
Financing receivable, gross	0	0
Real Estate Portfolio Segment[Member] | Doubtful [Member] | Other Mortgages [Member]
Financing receivable, gross	0	0
Consumer Portfolio Segment [Member]
Financing receivable, gross	57,834	64,789
Consumer Portfolio Segment [Member] | Pass [Member]
Financing receivable, gross	57,785	64,789
Consumer Portfolio Segment [Member] | Special Mention [Member]
Financing receivable, gross	49	0
Consumer Portfolio Segment [Member] | Substandard [Member]
Financing receivable, gross	0	0
Consumer Portfolio Segment [Member] | Doubtful [Member]
Financing receivable, gross	$ 0	$ 0

Note 5 - Loans - Loans by Perfo

Note 5 - Loans - Loans by Performance Status (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financing receivable, gross	$ 8,508,554	$ 7,261,451
Performing Financial Instruments [Member]
Financing receivable, gross	8,481,981	7,225,339
Nonperforming Financial Instruments [Member]
Financing receivable, gross	26,573	36,112
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	3,466,189	2,696,210
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing receivable, gross	3,447,490	2,681,280
Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	18,699	14,930
Real Estate Portfolio Segment[Member]
Financing receivable, gross	4,453,612	3,979,060
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	530,919	521,392
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,725,222	1,587,478
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	671,841	644,188
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	2,056,549	1,747,394
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member]
Financing receivable, gross	4,446,333	3,959,490
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member]
Financing receivable, gross	530,332	519,803
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,723,384	1,576,652
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member]
Financing receivable, gross	671,227	641,875
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member]
Financing receivable, gross	2,051,722	1,740,963
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	7,279	19,570
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member]
Financing receivable, gross	587	1,589
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,838	10,826
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member]
Financing receivable, gross	614	2,313
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member]
Financing receivable, gross	4,827	6,431
Consumer Portfolio Segment [Member]
Financing receivable, gross	57,834	64,789
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing receivable, gross	57,826	64,766
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	$ 8	$ 23

Note 5 - Loans - Loans Categori

Note 5 - Loans - Loans Categorized by Past Due Status (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Accrual loans, past due	$ 9,294	$ 20,754
Non-accrual	21,675	30,091
Current	8,477,585	7,210,606
Total loans	8,508,554	7,261,451	[1]
Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	968	6,555
Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	3,428	8,178
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	4,898	6,021
Commercial Real Estate Portfolio Segment [Member]
Accrual loans, past due	3,886	3,680
Non-accrual	18,636	14,729
Current	3,443,667	2,677,801
Total loans	3,466,189	2,696,210
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	721	3,135
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	3,102	344
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	63	201
Real Estate Portfolio Segment[Member]
Accrual loans, past due	5,358	16,161
Non-accrual	2,452	13,773
Current	4,445,802	3,949,126
Total loans	4,453,612	3,979,060
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Accrual loans, past due	0	830
Non-accrual	587	1,589
Current	530,332	518,973
Total loans	530,919	521,392
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	0	8,159
Non-accrual	1,838	10,826
Current	1,723,384	1,568,493
Total loans	1,725,222	1,587,478
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Accrual loans, past due	531	3,078
Non-accrual	614	1,440
Current	670,696	639,670
Total loans	671,841	644,188
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Accrual loans, past due	4,827	4,924
Non-accrual	0	1,507
Current	2,051,722	1,740,963
Total loans	2,056,549	1,747,394
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	211	2,555
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member]
Accrual loans, past due	0	830
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	0	917
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | One to Four Family [Member]
Accrual loans, past due	211	1,638
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Other Mortgages [Member]
Accrual loans, past due	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	320	7,809
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	7,242
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | One to Four Family [Member]
Accrual loans, past due	320	567
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	4,827	5,797
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	873
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other Mortgages [Member]
Accrual loans, past due	4,827	4,924
Consumer Portfolio Segment [Member]
Accrual loans, past due	50	83
Non-accrual	0	0
Current	57,784	64,706
Total loans	57,834	64,789
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	36	35
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	6	25
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	$ 8	$ 23
[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		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020		Sep. 30, 2019	Dec. 31, 2019
Balance, beginning of period	$ 91,507	$ 71,386	$ 76,584	[1]	$ 68,600
Charge-offs	(11,390)	(8,772)	(20,536)		(15,919)
Recoveries	39	187	241		351
Provision	12,284	6,985	36,151		16,754
Allocation from LGP		7,406			7,406
Balance, end of period	92,440	77,192	92,440		77,192
Individually Evaluated for Impairment	9,600		9,600			$ 9,804
Collectively Evaluated for Impairment	82,840		82,840			66,780
Loans	8,508,554		8,508,554			7,261,451	[1]
Individually Evaluated for Impairment	93,763		93,763			43,148
Collectively Evaluated for Impairment	8,414,791		8,414,791			7,218,303
Commercial Real Estate Portfolio Segment [Member]
Balance, beginning of period	47,986	38,709	43,666		39,016
Charge-offs	(11,146)	(3,626)	(15,144)		(10,273)
Recoveries	12	126	158		255
Provision	12,421	5,108	20,593		11,319
Allocation from LGP		4,905			4,905
Balance, end of period	49,273	45,222	49,273		45,222
Individually Evaluated for Impairment	9,204		9,204			6,085
Collectively Evaluated for Impairment	40,069		40,069			37,581
Loans	3,466,189		3,466,189			2,696,210
Individually Evaluated for Impairment	73,800		73,800			20,843
Collectively Evaluated for Impairment	3,392,389		3,392,389			2,675,367
Real Estate Portfolio Segment[Member]
Loans	4,453,612		4,453,612			3,979,060
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Balance, beginning of period	4,531	3,419	2,768		3,522
Charge-offs	0	0	(830)		0
Recoveries	0	1	2		2
Provision	(441)	(343)	2,150		(447)
Allocation from LGP		115			115
Balance, end of period	4,090	3,192	4,090		3,192
Individually Evaluated for Impairment	201		201			86
Collectively Evaluated for Impairment	3,889		3,889			2,682
Loans	530,919		530,919			521,392
Individually Evaluated for Impairment	587		587			4,320
Collectively Evaluated for Impairment	530,332		530,332			517,072
Real Estate Portfolio Segment[Member] | Real Estate Loan [Member]
Balance, beginning of period	38,399	28,783	29,653		25,508
Charge-offs	(200)	(4,974)	(4,397)		(5,193)
Recoveries	12	0	26		11
Provision	304	2,069	13,233		5,552
Allocation from LGP		2,386			2,386
Balance, end of period	38,515	28,264	38,515		28,264
Individually Evaluated for Impairment	195		195			3,633
Collectively Evaluated for Impairment	38,320		38,320			26,020
Loans	4,453,612		4,453,612			3,979,060
Individually Evaluated for Impairment	19,376		19,376			17,985
Collectively Evaluated for Impairment	4,434,236		4,434,236			3,961,075
Consumer Portfolio Segment [Member]
Balance, beginning of period	591	475	497		554
Charge-offs	(44)	(172)	(165)		(453)
Recoveries	15	60	55		83
Provision	0	151	175		330
Allocation from LGP		0			0
Balance, end of period	562	$ 514	562		$ 514
Individually Evaluated for Impairment	0		0			0
Collectively Evaluated for Impairment	562		562			497
Loans	57,834		57,834			64,789
Individually Evaluated for Impairment	0		0			0
Collectively Evaluated for Impairment	$ 57,834		$ 57,834			$ 64,789
[1]	Derived from audited financial statements.

Note 5 - Loans - Summary of Imp

Note 5 - Loans - Summary of Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Dec. 31, 2019
Recorded investment, with no allowance	$ 67,578	$ 67,578	$ 19,183
Unpaid principal balance, with no allowance	77,367	77,367	20,831
Average recorded investment, with no allowance	77,906	78,592	21,184
Interest income recognized in period, with no allowance	602	2,131	1,308
Average recorded investment, with no allowance	77,906	78,592	21,184
Recorded investment, with an allowance	26,185	26,185	23,965
Unpaid principal balance, with an allowance	26,642	26,642	34,584
Related allowance	9,600	9,600	9,804
Average recorded investment, with an allowance	28,585	28,647	37,580
Interest income recognized in period, with an allowance	128	679	745
Average recorded investment, with an allowance	28,585	28,647	37,580
Recorded investment	93,763	93,763	43,148
Unpaid principal balance	104,009	104,009	55,415
Average recorded investment	106,491	107,239	58,764
Interest income recognized in period	730	2,810	2,053
Average recorded investment	106,491	107,239	58,764
Commercial Real Estate Portfolio Segment [Member]
Recorded investment, with no allowance	50,898	50,898	9,015
Unpaid principal balance, with no allowance	60,687	60,687	10,563
Average recorded investment, with no allowance	61,374	61,967	11,284
Interest income recognized in period, with no allowance	442	1,605	562
Average recorded investment, with no allowance	61,374	61,967	11,284
Recorded investment, with an allowance	22,902	22,902	11,828
Unpaid principal balance, with an allowance	23,169	23,169	19,307
Related allowance	9,204	9,204	6,085
Average recorded investment, with an allowance	21,648	22,237	19,714
Interest income recognized in period, with an allowance	102	535	395
Average recorded investment, with an allowance	21,648	22,237	19,714
Recorded investment	73,800	73,800	20,843
Unpaid principal balance	83,856	83,856	29,870
Average recorded investment	83,022	84,204	30,998
Interest income recognized in period	544	2,140	957
Average recorded investment	83,022	84,204	30,998
Real Estate Portfolio Segment[Member]
Recorded investment, with no allowance	16,680	16,680	7,437
Unpaid principal balance, with no allowance	16,680	16,680	7,533
Average recorded investment, with no allowance	16,532	16,625	7,837
Interest income recognized in period, with no allowance	160	526	620
Average recorded investment, with no allowance	16,532	16,625	7,837
Recorded investment, with an allowance	2,696	2,696	10,548
Unpaid principal balance, with an allowance	2,836	2,836	13,688
Related allowance	195	195	3,633
Average recorded investment, with an allowance	5,983	5,398	16,252
Interest income recognized in period, with an allowance	26	144	323
Average recorded investment, with an allowance	5,983	5,398	16,252
Recorded investment	19,376	19,376	17,985
Unpaid principal balance	19,516	19,516	21,221
Average recorded investment	22,515	22,023	24,089
Interest income recognized in period	186	670	943
Average recorded investment	22,515	22,023	24,089
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Recorded investment, with no allowance	0	0	2,731
Unpaid principal balance, with no allowance	0	0	2,735
Average recorded investment, with no allowance	0	0	2,063
Interest income recognized in period, with no allowance	0	0	126
Average recorded investment, with no allowance	0	0	2,063
Recorded investment, with an allowance	587	587	1,589
Unpaid principal balance, with an allowance	637	637	1,589
Related allowance	201	201	86
Average recorded investment, with an allowance	954	1,012	1,614
Interest income recognized in period, with an allowance	0	0	27
Average recorded investment, with an allowance	954	1,012	1,614
Recorded investment	587	587	4,320
Unpaid principal balance	637	637	4,324
Average recorded investment	954	1,012	3,677
Interest income recognized in period	0	0	153
Average recorded investment	954	1,012	3,677
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Recorded investment, with no allowance	1,581	1,581	7,150
Unpaid principal balance, with no allowance	1,581	1,581	7,246
Average recorded investment, with no allowance	1,582	1,600	7,548
Interest income recognized in period, with no allowance	12	52	618
Average recorded investment, with no allowance	1,582	1,600	7,548
Recorded investment, with an allowance	1,252	1,252	7,888
Unpaid principal balance, with an allowance	1,392	1,392	11,028
Related allowance	146	146	2,456
Average recorded investment, with an allowance	4,563	3,915	13,627
Interest income recognized in period, with an allowance	3	97	301
Average recorded investment, with an allowance	4,563	3,915	13,627
Recorded investment	2,833	2,833	15,038
Unpaid principal balance	2,973	2,973	18,274
Average recorded investment	6,145	5,515	21,175
Interest income recognized in period	15	149	919
Average recorded investment	6,145	5,515	21,175
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Recorded investment, with no allowance	2,899	2,899	287
Unpaid principal balance, with no allowance	2,899	2,899	287
Average recorded investment, with no allowance	2,882	2,814	289
Interest income recognized in period, with no allowance	26	78	2
Average recorded investment, with no allowance	2,882	2,814	289
Recorded investment, with an allowance	412	412	1,153
Unpaid principal balance, with an allowance	412	412	1,153
Related allowance	49	49	176
Average recorded investment, with an allowance	398	406	1,157
Average recorded investment, with an allowance	398	406	1,157
Interest income recognized in period, with an allowance	12	12	1
Recorded investment	3,311	3,311	1,440
Unpaid principal balance	3,311	3,311	1,440
Average recorded investment	3,280	3,220	1,446
Interest income recognized in period	38	90	3
Average recorded investment	3,280	3,220	1,446
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Recorded investment, with no allowance	12,200	12,200	0
Unpaid principal balance, with no allowance	12,200	12,200	0
Average recorded investment, with no allowance	12,068	12,211	0
Interest income recognized in period, with no allowance	122	396	0
Average recorded investment, with no allowance	12,068	12,211	0
Recorded investment, with an allowance	1,032	1,032	1,507
Unpaid principal balance, with an allowance	1,032	1,032	1,507
Related allowance	0	0	1,001
Average recorded investment, with an allowance	1,022	1,077	1,468
Interest income recognized in period, with an allowance	11	35	21
Average recorded investment, with an allowance	1,022	1,077	1,468
Recorded investment	13,232	13,232	1,507
Unpaid principal balance	13,232	13,232	1,507
Average recorded investment	13,090	13,288	1,468
Interest income recognized in period	133	431	21
Average recorded investment	13,090	13,288	1,468
Consumer Portfolio Segment [Member]
Recorded investment, with no allowance	0	0	0
Unpaid principal balance, with no allowance	0	0	0
Average recorded investment, with no allowance	0	0	0
Interest income recognized in period, with no allowance	0	0	0
Average recorded investment, with no allowance	0	0	0
Recorded investment, with an allowance	0	0	0
Unpaid principal balance, with an allowance	0	0	0
Related allowance	0	0	0
Average recorded investment, with an allowance	0	0	0
Interest income recognized in period, with an allowance	0	0	0
Average recorded investment, with an allowance	0	0	0
Recorded investment	0	0	0
Unpaid principal balance	0	0	0
Average recorded investment	0	0	0
Interest income recognized in period	0	0	0
Average recorded investment	$ 0	$ 0	$ 0

Note 5 - Loans - Troubled Debt

Note 5 - Loans - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020USD ($)	Sep. 30, 2019USD ($)	Sep. 30, 2020USD ($)	Sep. 30, 2019USD ($)
Number of Contracts	3		4	1
Pre- Modification Outstanding Recorded Investment	$ 1,182		$ 1,532	$ 2,742
Post- Modification Outstanding Recorded Investment	$ 1,182		$ 1,532	$ 2,742
Commercial Real Estate Portfolio Segment [Member]
Number of Contracts	1		2	1
Pre- Modification Outstanding Recorded Investment	$ 214		$ 564	$ 2,742
Post- Modification Outstanding Recorded Investment	$ 214		$ 564	$ 2,742
Real Estate Portfolio Segment[Member]
Number of Contracts	1		1
Pre- Modification Outstanding Recorded Investment	$ 611		$ 611
Post- Modification Outstanding Recorded Investment	$ 611		$ 611
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Number of Contracts	1		1
Pre- Modification Outstanding Recorded Investment	$ 357		$ 357
Post- Modification Outstanding Recorded Investment	$ 357		$ 357
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Number of Contracts	1		1
Pre- Modification Outstanding Recorded Investment	$ 611		$ 611
Post- Modification Outstanding Recorded Investment	$ 611		$ 611
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Number of Contracts
Pre- Modification Outstanding Recorded Investment
Post- Modification Outstanding Recorded Investment
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Number of Contracts
Pre- Modification Outstanding Recorded Investment
Post- Modification Outstanding Recorded Investment
Consumer Portfolio Segment [Member]
Number of Contracts
Pre- Modification Outstanding Recorded Investment
Post- Modification Outstanding Recorded Investment

Note 6 - Leases (Details Textua

Note 6 - Leases (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Lessee, Operating Lease, Remaining Lease Term (Year)	8 years 4 months 24 days		8 years 4 months 24 days
Operating Lease, Right-of-Use Asset	$ 10,300,000		$ 10,300,000		$ 12,300,000
Operating Lease, Liability, Total	$ 11,104,000		$ 11,104,000		$ 12,400,000
Operating Lease, Weighted Average Remaining Lease Term (Year)	5 years		5 years
Operating Lease, Weighted Average Discount Rate, Percent	3.20%		3.20%
Operating Lease, Payments	$ 855,000	$ 888,000	$ 2,600,000	$ 2,500,000

Note 6 - Leases - Maturities of

Note 6 - Leases - Maturities of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
2020 (remaining)	$ 839
2021	2,744
2022	2,679
2023	2,205
2024	1,232
thereafter	2,624
Total lease payments	12,323
Less: imputed interest	(1,219)
Present value of operating lease liabilities	$ 11,104	$ 12,400

Note 6 - Leases - Lease Costs (

Note 6 - Leases - Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating lease cost	$ 876	$ 809	$ 2,623	$ 2,500
Short-term lease cost	13	8	45	21
Variable lease cost	77	49	165	151
Sublease income	(25)	(23)	(70)	(35)
Net lease cost	$ 941	$ 843	$ 2,763	$ 2,637

Note 7 - Employee and Directo_3

Note 7 - Employee and Director Benefits (Details Textual) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2014
Share-based Payment Arrangement, Expense	$ 340,000	$ 294,000	$ 969,000	$ 781,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)			0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)				$ 12.60
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)			0	10,500
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	815,000		$ 815,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			10 months 24 days
Restricted Stock [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 1,800,000		$ 1,800,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			2 years 10 months 24 days
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]	9 Months Ended
	Sep. 30, 2020
Expected volatility	40.00%
Expected dividends	1.74%
Expected term (Year)	6 years 8 months 12 days
Risk-free rate	2.56%

Note 7 - Employee and Directo_5

Note 7 - Employee and Director Benefits - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Granted (in shares)	0
Share-based Payment Arrangement, Option [Member]
Outstanding, shares (in shares)	965,248	1,238,748	1,238,748
Outstanding, weighted average exercise price (in dollars per share)	$ 15.19	$ 13.02	$ 13.02
Outstanding, weighted average remaining contractual term (Year)	4 years 6 months	5 years	4 years 10 months 24 days	5 years 2 months 12 days
Outstanding, aggregate intrinsic value	$ 11,720	$ 18,603	$ 21,911	$ 23,355
Granted (in shares)	0	10,500
Granted, weighted average exercise price (in dollars per share)	$ 0	$ 34.44
Granted, aggregate intrinsic value	$ 0	$ (14)
Exercised (in shares)	(279,300)	(239,300)
Exercised, weighted average exercise price (in dollars per share)	$ 11.36	$ 7.02
Exercised, weighted average remaining contractual term (Year)	3 years 2 months 12 days	2 years 3 months 18 days
Exercised, aggregate intrinsic value	$ 6,330	$ 6,162
Forfeited (in shares)	(18,000)	(20,200)
Forfeited, weighted average exercise price (in dollars per share)	$ 30.79	$ 24.88
Forfeited, weighted average remaining contractual term (Year)	6 years 4 months 24 days
Forfeited, aggregate intrinsic value	$ 58	$ 167
Exercisable, shares (in shares)	209,200	278,000
Exercisable, weighted average exercise price (in dollars per share)	$ 12.41	$ 7.36
Exercisable, weighted average remaining contractual term (Year)	3 years 2 months 12 days	3 years 1 month 6 days
Exercisable, aggregate intrinsic value	$ 4,425	$ 7,261
Granted, weighted average remaining contractual term (Year)		9 years 4 months 24 days
Outstanding, shares (in shares)	667,948	989,748	965,248	1,238,748
Outstanding, weighted average exercise price (in dollars per share)	$ 16.37	$ 14.46	$ 15.19	$ 13.02

Note 7 - Employee and Directo_6

Note 7 - Employee and Director Benefits - Summary of Restricted Stock Activity (Details) - Restricted Stock [Member] - $ / shares	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Non-vested, shares (in shares)	71,290	56,576
Non-vested, weighted average grant date fair value (in dollars per share)	$ 31.53	$ 29.94
Granted, shares (in shares)	29,067	21,274
Granted, weighted average grant date fair value (in dollars per share)	$ 33.20	$ 34.08
Vested, shares (in shares)	(19,928)	(5,200)
Vested, weighted average grant date fair value (in dollars per share)	$ 23.64	$ 20.31
Forfeited, shares (in shares)	0	(2,500)
Forfeited, weighted average grant date fair value (in dollars per share)	$ 0	$ 38.17
Non-vested, shares (in shares)	80,429	70,150
Non-vested, weighted average grant date fair value (in dollars per share)	$ 34.09	$ 31.62

Note 8 - Derivatives (Details T

Note 8 - Derivatives (Details Textual) - Interest Rate Cap [Member]	9 Months Ended
	Sep. 30, 2020USD ($)
Derivative, Term of Contract (Year)	3 years
Derivative, Notional Amount	$ 300,000,000
Derivative, Fair Value, Net, Total	$ 200,000
Derivative, Remaining Maturity (Year)	2 years 7 months 6 days
London Interbank Offered Rate (LIBOR) [Member]
Derivative, Cap Interest Rate	0.50%

Note 10 - Recent Accounting P_2

Note 10 - Recent Accounting Pronouncements (Details Textual)	9 Months Ended
	Sep. 30, 2020
Increase in Allowance for Loan Losses, Percent	5.00%

Note 11 - Fair Value Measurem_3

Note 11 - Fair Value Measurement (Details Textual)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020USD ($)	Sep. 30, 2019USD ($)	Sep. 30, 2020USD ($)	Sep. 30, 2019USD ($)	Dec. 31, 2019USD ($)
Debt Securities, Available-for-sale, Total	$ 913,049,000		$ 913,049,000		$ 759,399,000	[1]
Asset Impairment Charges, Total	11,200,000	$ 7,700,000	20,000,000	$ 16,100,000
Real Estate Owned, Amount of Loss at Acquisition	$ 86,000	$ 58,000	2,500,000	$ 282,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure			$ 0		$ 103,000
Minimum [Member]
Impaired Loans, Fair Value Adjustment, Percent	0.00%		0.00%		0.00%
Real Estate Owned, Fair Value Adjustment, Percent	5.00%		5.00%		5.00%
Minimum [Member] | Measurement Input, Cost to Sell [Member]
Impaired Loans, Measurement Input	0.08		0.08
Maximum [Member]
Impaired Loans, Fair Value Adjustment, Percent	50.00%		50.00%		30.00%
Real Estate Owned, Fair Value Adjustment, Percent	46.00%		46.00%		10.00%
Maximum [Member] | Measurement Input, Cost to Sell [Member]
Impaired Loans, Measurement Input	0.10		0.10
Weighted Average [Member]
Impaired Loans, Fair Value Adjustment, Percent	17.10%		17.10%		5.60%
Real Estate Owned, Fair Value Adjustment, Percent	10.70%		10.70%		8.00%
Corporate Debt Securities [Member]
Number of Available-for-sale Debt Securities Acquired			2
Debt Securities, Available-for-sale, Total	$ 322,632,000		$ 322,632,000		$ 160,477,000
Corporate Debt Securities [Member] | Minimum [Member]
Debt Securities, Available-for-sale, Total	87.6222		87.6222		98,783,600
Corporate Debt Securities [Member] | Maximum [Member]
Debt Securities, Available-for-sale, Total	116.1915		116.1915		102,264,800
Corporate Debt Securities [Member] | Weighted Average [Member]
Debt Securities, Available-for-sale, Total	$ 104.0924		$ 104.0924		$ 112,230,500
[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	Sep. 30, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale, Total	$ 913,049	$ 759,399	[1]
Total assets at fair value	91,139	41,522
US Treasury Securities [Member]
Debt Securities, Available-for-sale, Total	19,426	49,210
US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-sale, Total	15,521	18,386
Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Total	518,062	474,054
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale, Total	37,408	57,272
Corporate Debt Securities [Member]
Debt Securities, Available-for-sale, Total	322,632	160,477
Fair Value, Recurring [Member]
Debt Securities, Available-for-sale, Total	913,049	759,399
Total assets at fair value	913,249
Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Interest rate cap derivative	200
Fair Value, Recurring [Member] | US Treasury Securities [Member]
Debt Securities, Available-for-sale, Total	19,426	49,210
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-sale, Total	15,521	18,386
Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Total	518,062	474,054
Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale, Total	37,408	57,272
Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Debt Securities, Available-for-sale, Total	322,632	160,477
Fair Value, Inputs, Level 1 [Member]
Total assets at fair value	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member]
Debt Securities, Available-for-sale, Total	0	0
Total assets at fair value	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] | US Treasury Securities [Member]
Debt Securities, Available-for-sale, Total	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-sale, Total	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Total	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale, Total	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Debt Securities, Available-for-sale, Total	0	0
Fair Value, Inputs, Level 2 [Member]
Total assets at fair value	0	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]
Debt Securities, Available-for-sale, Total	906,468	752,803
Total assets at fair value	906,668
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Interest rate cap derivative	200
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Treasury Securities [Member]
Debt Securities, Available-for-sale, Total	19,426	49,210
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-sale, Total	15,521	18,386
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Total	518,062	474,054
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale, Total	37,408	57,272
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Debt Securities, Available-for-sale, Total	316,051	153,881
Fair Value, Inputs, Level 3 [Member]
Total assets at fair value	91,139	41,522
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Debt Securities, Available-for-sale, Total	6,581	6,596
Total assets at fair value	6,581
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] | US Treasury Securities [Member]
Debt Securities, Available-for-sale, Total	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-sale, Total	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Total	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale, Total	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Debt Securities, Available-for-sale, Total	$ 6,581	$ 6,596
[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) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Impaired loans	$ 84,163	$ 33,344
Other real estate owned and repossessed assets	6,976	8,178
Total assets at fair value	91,139	41,522
Fair Value, Inputs, Level 1 [Member]
Impaired loans	0	0
Other real estate owned and repossessed assets	0	0
Total assets at fair value	0	0
Fair Value, Inputs, Level 2 [Member]
Impaired loans	0	0
Other real estate owned and repossessed assets	0	0
Total assets at fair value	0	0
Fair Value, Inputs, Level 3 [Member]
Impaired loans	84,163	33,344
Other real estate owned and repossessed assets	6,976	8,178
Total assets at fair value	$ 91,139	$ 41,522

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	Sep. 30, 2020	Dec. 31, 2019
Cash and due from banks	$ 70,472	$ 78,618	[1]
Federal funds sold	1,302	100,473	[1]
Mortgage loans held for sale	21,472	6,312	[1]
Held to maturity debt securities	250	250	[1]
Net Loans	8,416,114	7,184,867	[1]
Federal funds purchased	669,350	470,749	[1]
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and due from banks	1,622,069	530,127
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Federal funds sold	1,302	100,473
Mortgage loans held for sale	21,472	6,302
Deposits	9,673,783	7,530,433
Federal funds purchased	669,350	470,749
Other borrowings	64,719	64,703
Reported Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Held to maturity debt securities	250	250
Net Loans	8,331,951	7,151,523
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and due from banks	1,622,069	530,127
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Federal funds sold	1,302	100,473
Mortgage loans held for sale	22,244	6,312
Deposits	9,687,830	7,534,984
Federal funds purchased	669,350	470,749
Other borrowings	63,840	65,048
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Held to maturity debt securities	250	250
Net Loans	$ 8,232,972	$ 7,099,198
[1]	Derived from audited financial statements.

Note 12 - Subsequent Events (De

Note 12 - Subsequent Events (Details Textual) - Subsequent Event [Member] $ in Millions	Oct. 21, 2020USD ($)
The 4.00% Subordinated Notes [Member]
Proceeds from Issuance of Debt	$ 34.8
Debt Instrument, Interest Rate, Stated Percentage	4.00%
The 5.00% Subordinated Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	5.00%