ServisFirst Bancshares (SFBS) 10-Q 31 Jul 20 2020 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2020	Jul. 27, 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	Q2
Document Fiscal Year Focus	2020
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 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		53,882,358

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	[1]
Cash and due from banks	$ 102,282	$ 78,618
Interest-bearing balances due from depository institutions	1,444,293	451,509
Federal funds sold	2,352	100,473
Cash and cash equivalents	1,548,927	630,600
Available for sale, fair value	856,128	759,399
Held to maturity debt securities (fair value of $250 at June 30, 2020 and December 31, 2019)	250	250
Mortgage loans held for sale	14,491	6,312
Loans	8,315,375	7,261,451
Less: Allowance for loan losses	(91,507)	(76,584)
Loans, net	8,223,868	7,184,867
Premises and equipment, net	55,588	56,496
Accrued interest and dividends receivable	30,928	26,262
Deferred tax assets	23,307	25,566
Other real estate owned and repossessed assets	6,537	8,178
Bank owned life insurance contracts	212,312	209,395
Goodwill and other identifiable intangible assets	14,043	14,179
Other assets	25,816	26,149
Total assets	11,012,195	8,947,653
Noninterest-bearing	2,678,893	1,749,879
Interest-bearing	6,664,025	5,780,554
Total deposits	9,342,918	7,530,433
Federal funds purchased	635,606	470,749
Other borrowings	64,715	64,703
Accrued interest payable	11,710	11,934
Other liabilities	42,658	27,152
Total liabilities	10,097,607	8,104,971
Preferred stock, par value $0.001 per share; 1,000,000 authorized and undesignated at June 30, 2020 and December 31, 2019	0	0
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 53,874,276 shares issued and outstanding at June 30, 2020, and 53,623,740 shares issued and outstanding at December 31, 2019	54	54
Additional paid-in capital	222,437	219,766
Retained earnings	672,984	616,611
Accumulated other comprehensive income	18,611	5,749
Total stockholders' equity attributable to ServisFirst Bancshares, Inc.	914,086	842,180
Noncontrolling interest	502	502
Total stockholders' equity	914,588	842,682
Total liabilities and stockholders' equity	$ 11,012,195	$ 8,947,653
[1]	Derived from audited financial statements.

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 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)	53,874,276	53,623,740
Common stock, shares outstanding (in shares)	53,874,276	53,623,740
[1]	Derived from audited financial statements.

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest and fees on loans	$ 89,383	$ 88,610	$ 178,768	$ 174,134
Taxable securities	5,092	4,193	10,246	7,939
Nontaxable securities	211	393	444	839
Federal funds sold	34	1,998	311	3,217
Other interest and dividends	360	2,593	2,078	5,357
Total interest income	95,080	97,787	191,847	191,486
Deposits	10,756	24,240	27,501	46,385
Borrowed funds	1,090	3,462	3,472	6,238
Total interest expense	11,846	27,702	30,973	52,623
Net interest income	83,234	70,085	160,874	138,863
Provision for loan losses	10,283	4,884	23,867	9,769
Net interest income after provision for loan losses	72,951	65,201	137,007	129,094
Securities losses	0	(6)	0	(6)
Increase in cash surrender value life insurance	1,464	778	2,917	1,540
Other operating income	241	392	710	721
Total noninterest income	7,033	5,778	13,707	10,722
Salaries and employee benefits	15,792	14,339	31,450	28,604
Equipment and occupancy expense	2,434	2,287	4,834	4,546
Third party processing and other services	3,513	2,724	6,858	5,135
Professional services	1,091	1,191	2,039	2,185
FDIC and other regulatory assessments	595	1,081	1,927	2,100
OREO expense	1,303	212	1,904	234
Other operating expenses	4,088	4,188	7,724	8,546
Total noninterest expenses	28,816	26,022	56,736	51,350
Income before income taxes	51,168	44,957	93,978	88,466
Provision for income taxes	10,720	9,324	18,752	17,823
Net income	40,448	35,633	75,226	70,643
Preferred stock dividends	31	31	31	31
Net income available to common stockholders	$ 40,417	$ 35,602	$ 75,195	$ 70,612
Basic earnings per common share (in dollars per share)	$ 0.75	$ 0.67	$ 1.40	$ 1.32
Diluted earnings per common share (in dollars per share)	$ 0.75	$ 0.66	$ 1.39	$ 1.31
Deposit Account [Member]
Noninterest income	$ 1,823	$ 1,786	$ 3,739	$ 3,488
Mortgage Banking [Member]
Noninterest income	2,107	1,087	3,178	1,662
Credit Card [Member]
Noninterest income	$ 1,398	$ 1,741	$ 3,163	$ 3,317

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net income	$ 40,448	$ 35,633	$ 75,226	$ 70,643
Unrealized net holding gains arising during period from securities available for sale, net of tax of $309 and $3,419 for the three and six months ended June 30, 2020, respectively, and net of tax of $1,448 and $2,408 for the three and six months ended June 30, 2019, respectively	1,163	5,282	12,862	9,054
Reclassification adjustment for net loss on sale of securities, net of tax of $(1) for 2019	0	5	0	5
Other comprehensive income (loss), net of tax	1,163	5,287	12,862	9,059
Comprehensive income	$ 41,611	$ 40,920	$ 88,088	$ 79,702

Consolidated Statements of Co_2

Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Unrealized holding gain (loss) from available for sale securities, tax	$ 309	$ 3,419	$ 1,448	$ 2,408
Reclassification adjustment for net (gains) losses on sale of securities available-for-sale, tax		$ (1)		$ (1)

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	(8,030)	0	0	(8,030)
Preferred dividends paid	$ 0	0	0	(31)	0	0	(31)
Issue restricted shares pursuant to stock incentives, net of forfeitures (in shares)	8,374
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)	143,313
Issue shares of common stock upon exercise of stock options	$ 1	0	1,102	0	0	0	1,103
Stock-based compensation expense	0	0	488	0	0	0	488
Other comprehensive income (loss), net of tax	0	0	0	0	9,059	0	9,059
Net income	$ 0	0	0	70,643	0	0	70,643
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 paid	0	0	0	(8,025)	0	0	(8,025)
Shares of common stock withheld in net settlement upon exercise of stock options	$ 0	0	(1,453)	0	0	0	(1,453)
Other comprehensive income (loss), net of tax							9,059
Balance (in shares) at Mar. 31, 2019	53,495,208
Balance at Mar. 31, 2019	$ 53	0	218,147	527,853	(969)	502	745,586
Common dividends declared	0	0	0	(8,030)	0	0	(8,030)
Preferred dividends paid	$ 0	0	0	(31)	0	0	(31)
Issue restricted shares pursuant to stock incentives, net of forfeitures (in shares)	5,674
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)	26,000
Issue shares of common stock upon exercise of stock options	$ 1	0	305	0	0	0	306
Stock-based compensation expense	0	0	206	0	0	0	206
Other comprehensive income (loss), net of tax	0	0	0	0	5,287	0	5,287
Net income	$ 0	0	0	35,633	0	0	35,633
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
Other comprehensive income (loss), net of tax							5,287
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	(9,413)	0	0	(9,413)
Preferred dividends paid	$ 0	0	0	(31)	0	0	(31)
Issue restricted shares pursuant to stock incentives, net of forfeitures (in shares)	25,567
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)	224,969
Issue shares of common stock upon exercise of stock options	$ 0	0	2,444	0	0	0	2,444
Stock-based compensation expense	0	0	630	0	0	0	630
Net income	$ 0	0	0	75,226	0	0	75,226
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 paid	0	0	0	(9,409)	0	0	(9,409)
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(403)	0	0	0	(403)
Other comprehensive income (loss), net of tax	$ 0	0	0	0	12,862	0	12,862
Balance (in shares) at Mar. 31, 2020	53,844,009
Balance at Mar. 31, 2020	$ 54	0	221,901	641,980	17,448	502	881,885
Common dividends declared	0	0	0	(9,413)	0	0	(9,413)
Preferred dividends paid	$ 0	0	0	(31)	0	0	(31)
Issue restricted shares pursuant to stock incentives, net of forfeitures (in shares)	10,267
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)	20,000
Issue shares of common stock upon exercise of stock options	$ 0	0	183	0	0	0	183
Stock-based compensation expense	0	0	353	0	0	0	353
Other comprehensive income (loss), net of tax	0	0	0	0	1,163	0	1,163
Net income	$ 0	0	0	40,448	0	0	40,448
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
Other comprehensive income (loss), net of tax							$ 1,163
[1]	Derived from audited financial statements.

Consolidated Statement of Sto_2

Consolidated Statement of Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Common dividends, per share declared (in dollars per share)	$ 0.175	$ 0.15	$ 0.175	$ 0.15
Common dividends, per share (in dollars per share)			$ 0.175	$ 0.15
Shares withheld in net settlement upon exercise of stock options (in shares)			11,031	45,187

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
OPERATING ACTIVITIES
Net income	$ 75,226	$ 70,643
Adjustments to reconcile net income to net cash provided by
Deferred tax (benefit) expense	(1,160)	2,427
Provision for loan losses	23,867	9,769
Depreciation	1,842	1,845
Accretion on acquired loans	0	(91)
Amortization of core deposit intangible	136	135
Net amortization of debt securities available for sale	2,282	1,304
Increase in accrued interest and dividends receivable	(4,666)	(2,565)
Stock-based compensation expense	630	488
(Decrease) increase in accrued interest payable	(224)	549
Proceeds from sale of mortgage loans held for sale	105,181	45,543
Originations of mortgage loans held for sale	(110,182)	(53,207)
Gain on sale of mortgage loans held for sale	(3,178)	(1,662)
Net loss on sale of debt securities available for sale	0	6
Net (gain) loss on sale of other real estate owned and repossessed assets	(24)	2
Write down of other real estate owned and repossessed assets	1,836	222
Operating losses of tax credit partnerships	4	73
Increase in cash surrender value of life insurance contracts	(2,917)	(1,540)
Net change in other assets, liabilities, and other operating activities	15,981	(12,609)
Net cash provided by operating activities	104,634	61,332
INVESTMENT ACTIVITIES
Purchase of debt securities available for sale	(165,627)	(121,590)
Proceeds from maturities, calls and paydowns of debt securities available for sale	83,277	64,611
Purchase of debt securities held to maturity	0	(250)
Investment in tax credit partnership and SBIC	(543)	0
Increase in loans	(1,063,891)	(442,031)
Purchase of premises and equipment	(934)	(1,218)
Proceeds from sale of other real estate owned and repossessed assets	852	48
Net cash used in investing activities	(1,146,866)	(500,430)
FINANCING ACTIVITIES
Net increase in non-interest-bearing deposits	929,014	19,618
Net increase in interest-bearing deposits	883,471	469,468
Net increase in federal funds purchased	164,857	170,724
Proceeds from exercise of stock options	2,444	1,103
Taxes paid in net settlement of tax obligation upon exercise of stock options	(403)	(1,453)
Dividends paid on common stock	(18,793)	(16,044)
Dividends paid on preferred stock	(31)	(31)
Net cash provided by financing activities	1,960,559	643,385
Net increase in cash and cash equivalents	918,327	204,287
Cash and cash equivalents at beginning of period	630,600	681,895
Cash and cash equivalents at end of period	1,548,927	886,182
Cash paid for:
Interest	31,197	52,074
Income taxes	207	24,956
Income tax refund	(47)	0
NONCASH TRANSACTIONS
Other real estate acquired in settlement of loans	1,023	752
Dividends declared	$ 9,413	$ 8,030

Note 1 - General

Note 1 - General	6 Months Ended
	Jun. 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 June 30, 2020 19 5

Note 2 - Cash and Cash Equivale

Note 2 - Cash and Cash Equivalents	6 Months Ended
	Jun. 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	6 Months Ended
	Jun. 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 June 30, Six Months Ended June 30, 2020 2019 2020 2019 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 53,854,973 53,515,418 53,779,599 53,490,393 Net income available to common stockholders $ 40,417 $ 35,602 $ 75,195 $ 70,612 Basic earnings per common share $ 0.75 $ 0.67 $ 1.40 $ 1.32 Weighted average common shares outstanding 53,854,973 53,515,418 53,779,599 53,490,393 Dilutive effects of assumed conversions and exercise of stock options and warrants 339,533 573,689 401,361 592,464 Weighted average common and dilutive potential common shares outstanding 54,194,506 54,089,107 54,180,960 54,082,857 Net income available to common stockholders $ 40,417 $ 35,602 $ 75,195 $ 70,612 Diluted earnings per common share $ 0.75 $ 0.66 $ 1.39 $ 1.31

Note 4 - Securities

Note 4 - Securities	6 Months Ended
	Jun. 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 June 30, 2020 December 31, 2019 Gross Gross Amortized Unrealized Unrealized Market Cost Gain Loss Value June 30, 2020 (In Thousands) Securities Available for Sale U.S. Treasury securities $ 39,978 $ 604 $ - $ 40,582 Government agencies 15,225 350 - 15,575 Mortgage-backed securities 497,442 19,594 - 517,036 State and municipal securities 45,060 517 - 45,577 Corporate debt 234,924 3,469 (1,035 ) 237,358 Total $ 832,629 $ 24,534 $ (1,035 ) $ 856,128 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 June 30, 2020 December 31, 2019 may may not June 30, 2020 December 31, 2019 Amortized Cost Fair Value Amortized Cost Fair Value (In thousands) Debt securities available for sale Due within one year $ 50,291 $ 50,553 $ 58,722 $ 58,975 Due from one to five years 79,483 81,473 90,034 91,005 Due from five to ten years 187,295 188,814 129,501 131,914 Due after ten years 18,118 18,252 3,411 3,451 Mortgage-backed securities 497,442 517,036 470,513 474,054 $ 832,629 $ 856,128 $ 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 June 30, 2020 December 31, 2019 The following table identifies, as of June 30, 2020 December 31, 2019, 12 12 June 30, 2020, 12 not not not may not June 30, 2020. not 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) June 30, 2020 U.S. Treasury and government sponsored agencies $ - $ - $ - $ - $ - $ - Mortgage-backed securities - - - - - - State and municipal securities (1) - - - 307 - 307 Corporate debt (1,035 ) 68,711 - - (1,035 ) 68,711 Total $ (1,035 ) $ 68,711 $ - $ 307 $ (1,035 ) $ 69,018 (1) The municipal security with an unrealized loss for twelve months or more has an unrealized loss of $129.60. December 31, 2019 U.S. Treasury and government sponsored agencies $ (6 ) $ 3,278 $ - $ - $ (6 ) $ 3,278 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	6 Months Ended
	Jun. 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 June 30, 2020 December 31, 2019: June 30, December 31, 2020 2019 (Dollars In Thousands) Commercial, financial and agricultural $ 3,498,627 $ 2,696,210 Real estate - construction 544,586 521,392 Real estate - mortgage: Owner-occupied commercial 1,634,495 1,587,478 1-4 family mortgage 665,883 644,188 Other mortgage 1,911,384 1,747,394 Subtotal: Real estate - mortgage 4,211,762 3,979,060 Consumer 60,400 64,789 Total Loans 8,315,375 7,261,451 Less: Allowance for loan losses (91,507 ) (76,584 ) Net Loans $ 8,223,868 $ 7,184,867 Commercial, financial and agricultural 42.07 % 37.13 % Real estate - construction 6.55 % 7.18 % Real estate - mortgage: Owner-occupied commercial 19.66 % 21.86 % 1-4 family mortgage 8.00 % 8.87 % Other mortgage 22.99 % 24.07 % Subtotal: Real estate - mortgage 50.65 % 54.80 % Consumer 0.73 % 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 June 30, 2020, June 30, 2020, second 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 June 30, 2020 December 31, 2019 Special June 30, 2020 Pass Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 3,388,928 $ 46,582 $ 63,117 $ - $ 3,498,627 Real estate - construction 540,898 3,100 588 - 544,586 Real estate - mortgage: Owner-occupied commercial 1,619,718 10,887 3,890 - 1,634,495 1-4 family mortgage 661,070 3,508 1,305 - 665,883 Other mortgage 1,903,121 6,509 1,754 - 1,911,384 Total real estate mortgage 4,183,909 20,904 6,949 - 4,211,762 Consumer 60,299 92 9 - 60,400 Total $ 8,174,034 $ 70,678 $ 70,663 $ - $ 8,315,375 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 June 30, 2020 December 31, 2019 June 30, 2020 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 3,484,491 $ 14,136 $ 3,498,627 Real estate - construction 543,999 587 544,586 Real estate - mortgage: Owner-occupied commercial 1,632,781 1,714 1,634,495 1-4 family mortgage 665,200 683 665,883 Other mortgage 1,906,523 4,861 1,911,384 Total real estate mortgage 4,204,504 7,258 4,211,762 Consumer 60,367 33 60,400 Total $ 8,293,361 $ 22,014 $ 8,315,375 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 June 30, 2020 December 31, 2019 June 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 $ 273 $ 4,437 $ 248 $ 4,958 $ 13,888 $ 3,479,781 $ 3,498,627 Real estate - construction 116 - - 116 587 543,883 544,586 Real estate - mortgage: Owner-occupied commercial - 442 - 442 1,714 1,632,339 1,634,495 1-4 family mortgage 80 - - 80 683 665,120 665,883 Other mortgage - - 4,861 4,861 - 1,906,523 1,911,384 Total real estate - mortgage 80 442 4,861 5,383 2,397 4,203,982 4,211,762 Consumer 46 80 24 150 9 60,241 60,400 Total $ 515 $ 4,959 $ 5,133 $ 10,607 $ 16,881 $ 8,287,887 $ 8,315,375 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 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 19 three June 30, 2020 six June 30, 2020. Internal Qualitative Factors 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 six June 30, 2020 June 30, 2019. Commercial, financial and Real estate - Real estate - agricultural construction mortgage Consumer Total (In Thousands) Three Months Ended June 30, 2020 Allowance for loan losses: Balance at March 31, 2020 $ 48,780 $ 3,757 $ 32,360 $ 517 $ 85,414 Charge-offs (1,358 ) (376 ) (2,520 ) (62 ) (4,316 ) Recoveries 84 1 13 28 126 Provision 480 1,149 8,546 108 10,283 Balance at June 30, 2020 $ 47,986 $ 4,531 $ 38,399 $ 591 $ 91,507 Three Months Ended June 30, 2019 Allowance for loan losses: Balance at March 31, 2019 $ 39,459 $ 3,595 $ 26,711 $ 442 $ 70,207 Charge-offs (3,610 ) - (169 ) (63 ) (3,842 ) Recoveries 117 - 4 16 137 Provision 2,743 (176 ) 2,237 80 4,884 Balance at June 30, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 Six Months Ended June 30, 2020 Allowance for loan losses: Balance at December 31, 2019 $ 43,666 $ 2,768 $ 29,653 $ 497 $ 76,584 Charge-offs (3,998 ) (830 ) (4,198 ) (120 ) (9,146 ) Recoveries 146 2 14 40 202 Provision 8,172 2,591 12,930 174 23,867 Balance at June 30, 2020 $ 47,986 $ 4,531 $ 38,399 $ 591 $ 91,507 Six Months Ended June 30, 2019 Allowance for loan losses: Balance at December 31, 2018 $ 39,016 $ 3,522 $ 25,508 $ 554 $ 68,600 Charge-offs (6,647 ) - (219 ) (281 ) (7,147 ) Recoveries 129 1 11 23 164 Provision 6,211 (104 ) 3,483 179 9,769 Balance at June 30, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 As of June 30, 2020 Allowance for loan losses: Individually Evaluated for Impairment $ 9,344 $ 201 $ 209 $ - $ 9,754 Collectively Evaluated for Impairment 38,642 4,330 38,190 591 81,753 Loans: Ending Balance $ 3,498,627 $ 544,586 $ 4,211,762 $ 60,400 $ 8,315,375 Individually Evaluated for Impairment 63,531 616 8,004 9 72,160 Collectively Evaluated for Impairment 3,435,096 543,970 4,203,758 60,391 8,243,215 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 June 30, 2020 December 31, 2019, not For the three months For the six months ended June 30, ended June 30, June 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 $ 30,371 $ 30,371 $ - $ 30,939 $ 122 $ 31,433 $ 531 Real estate - construction 29 32 - 33 - 34 1 Real estate - mortgage: Owner-occupied commercial 2,942 3,038 - 3,048 49 3,058 91 1-4 family mortgage 654 654 - 655 4 506 5 Other mortgage 1,701 1,701 - 1,701 18 - - Total real estate - mortgage 5,297 5,393 - 5,404 71 3,564 96 Consumer 9 9 - 9 - 9 - Total with no allowance recorded 35,706 35,805 - 36,385 193 35,040 628 With an allowance recorded: Commercial, financial and agricultural 33,160 34,494 9,344 33,701 203 33,793 467 Real estate - construction 587 637 201 965 - 1,201 - Real estate - mortgage: Owner-occupied commercial 2,008 2,148 169 2,209 5 2,303 8 1-4 family mortgage 647 647 40 646 4 649 7 Other mortgage 52 52 - 52 1 104 3 Total real estate - mortgage 2,707 2,847 209 2,907 10 3,056 18 Consumer - - - - - - - Total with allowance recorded 36,454 37,978 9,754 37,573 213 38,050 485 Total Impaired Loans: Commercial, financial and agricultural 63,531 64,865 9,344 64,640 325 65,226 998 Real estate - construction 616 669 201 998 - 1,235 1 Real estate - mortgage: Owner-occupied commercial 4,950 5,186 169 5,257 54 5,361 99 1-4 family mortgage 1,301 1,301 40 1,301 8 1,155 12 Other mortgage 1,753 1,753 - 1,753 19 104 3 Total real estate - mortgage 8,004 8,240 209 8,311 81 6,620 114 Consumer 9 9 - 9 - 9 - Total impaired loans $ 72,160 $ 73,783 $ 9,754 $ 73,958 $ 406 $ 73,090 $ 1,113 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 June 30, 2020, 19 no three not March 2020. Troubled Debt Restructurings (“TDR”) at June 30, 2020, December 31, 2019 June 30, 2019 June 30, 2020, December 31, 2019 June 30, 2019 June 30, 2020, December 31, 2019 June 30, 2019. three six June 30, 2020 June 30, 2019 Three Months Ended June 30, 2020 Six Months Ended June 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 $ 350 $ 350 Real estate - construction - - - - - - Real estate - mortgage: Owner-occupied commercial - - - - - - 1-4 family mortgage - - - - - - Other mortgage - - - - - - Total real estate mortgage - - - - - - Consumer - - - - - - - $ - $ - 1 $ 350 $ 350 Three Months Ended June 30, 2019 Six Months Ended June 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 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 1 $ 2,742 $ 2,742 There were no loans which were modified in the previous twelve twelve three six June 30, 2020. twelve three June 30, 2019. two twelve six June 30, 2019. 90

Note 6 - Leases

Note 6 - Leases	6 Months Ended
	Jun. 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 8.7 years. At June 30, 2020, December 31, 2019 Maturities of operating lease liabilities as of June 30, 2020 June 30, 2020 (In Thousands) 2020 (remaining) $ 1,709 2021 2,721 2022 2,655 2023 2,181 2024 1,180 thereafter 2,570 Total lease payments 13,016 Less: imputed interest (1,182 ) Present value of operating lease liabilities $ 11,834 As of June 30, 2020, Operating cash flows related to leases were $856,000 and $1.7 million, for the three six June 30, 2020, three six June 30, 2019, Lease costs during the three six June 30, 2020 June 30, 2019 Three Months Ended June 30, 2020 Three Months Ended June 30, 2019 Operating lease cost $ 873 $ 842 Short-term lease cost 16 7 Variable lease cost 44 52 Sublease income (29 ) (6 ) Net lease cost $ 904 $ 895 Six Months Ended June 30, 2020 Six Months Ended June 30, 2019 Operating lease cost $ 1,747 $ 1,691 Short-term lease cost 32 13 Variable lease cost 88 102 Sublease income (45 ) (12 ) Net lease cost $ 1,822 $ 1,794

Note 7 - Employee and Director

Note 7 - Employee and Director Benefits	6 Months Ended
	Jun. 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 $353,000 and $629,000 for the three six June 30, 2020 three six June 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 2.55 % There were no grants of stock options during the six June 30, 2020. six June 30, 2019 The following table summarizes stock option activity during the six June 30, 2020 June 30, 2019: Weighted Weighted Average Average Remaining Aggregate Exercise Contractual Intrinsic Shares Price Term (years) Value (In Thousands) Six Months Ended June 30, 2020: Outstanding at January 1, 2020 965,248 $ 15.19 4.9 $ 21,911 Granted - - - - Exercised (236,000 ) 10.36 3.1 5,995 Forfeited (18,000 ) 30.79 6.6 90 Outstanding at June 30, 2020 711,248 18.21 5.3 $ 13,808 Exercisable at June 30, 2020 236,500 $ 12.76 3.6 $ 5,446 Six Months Ended June 30, 2019: Outstanding at January 1, 2019 1,238,748 $ 13.02 5.2 $ 23,355 Granted 10,500 34.44 9.7 (2 ) Exercised (188,500 ) 5.58 1.8 5,014 Forfeited (13,000 ) 29.93 7.4 56 Outstanding at June 30, 2019 1,047,748 14.37 5.3 $ 21,233 Exercisable at June 30, 2019 328,800 $ 8.13 3.7 $ 8,964 As of June 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 June 30, 2020, The following table summarizes restricted stock activity during the six June 30, 2020 2019, Shares Weighted Average Grant Date Fair Value Six Months Ended June 30, 2020: Non-vested at January 1, 2020 71,290 $ 31.53 Granted 25,567 36.29 Vested (18,828 ) 23.06 Forfeited - - Non-vested at June 30, 2020 78,029 35.14 Six Months Ended June 30, 2019: Non-vested at January 1, 2019 44,076 $ 38.44 Granted 23,474 34.03 Vested (5,200 ) 20.31 Forfeited (2,500 ) 38.17 Non-vested at June 30, 2019 59,850 38.95

Note 8 - Derivatives

Note 8 - Derivatives	6 Months Ended
	Jun. 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 June 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 June 30, 2020 December 31, 2019 not

Note 9 - Recently Adopted Accou

Note 9 - Recently Adopted Accounting Pronouncements	6 Months Ended
	Jun. 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	6 Months Ended
	Jun. 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 June 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 June 30, 2020, not In March 2020, 2020 04, Reference Rate Reform (Topic 848 March 12, 2020 December 31, 2022.

Note 11 - Fair Value Measuremen

Note 11 - Fair Value Measurement	6 Months Ended
	Jun. 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 June 30, 2020 December 31, 2019 Derivative instruments 2 Impaired Loans not not 820 10 3 June 30, 2020 December 31, 2019 three six June 30, 2020, three six June 30, 2019, Other Real Estate Owned and repossessed assets not June 30, 2020 December 31, 2019 3 three six June 30, 2020, three six June 30, 2019, 3 There was one June 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 June 30, 2020 December 31, 2019: Fair Value Measurements at June 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 $ - $ 40,582 $ - $ 40,582 Government agency securities - 15,575 - 15,575 Mortgage-backed securities - 517,036 - 517,036 State and municipal securities - 45,577 - 45,577 Corporate debt - 230,763 6,595 237,358 Total available-for-sale debt securities - 849,533 6,595 856,128 Interest rate cap derivative - 543 - 543 Total assets at fair value $ - $ 850,076 $ 6,595 $ 856,671 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 June 30, 2020 December 31, 2019: Fair Value Measurements at June 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 $ - $ - $ 62,406 $ 62,406 Other real estate owned and repossessed assets - - 6,537 6,537 Total assets at fair value $ - $ - $ 68,943 $ 68,943 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 June 30, 2020 December 31, 2019 June 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 $ 1,546,575 $ 1,546,575 $ 530,127 $ 530,127 Level 2 inputs: Federal funds sold 2,352 2,352 100,473 100,473 Mortgage loans held for sale 14,491 14,676 6,302 6,312 Level 3 inputs: Held to maturity debt securities 250 250 250 250 Loans, net 8,161,462 8,079,541 7,151,523 7,099,198 Financial liabilities: Level 2 inputs: Deposits $ 9,342,918 $ 9,359,175 $ 7,530,433 $ 7,534,984 Federal funds purchased 635,606 635,606 470,749 470,749 Other borrowings 64,715 64,624 64,703 65,048

Note 3 - Earnings Per Common _2

Note 3 - Earnings Per Common Share (Tables)	6 Months Ended
	Jun. 30, 2020
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, 2020 2019 2020 2019 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 53,854,973 53,515,418 53,779,599 53,490,393 Net income available to common stockholders $ 40,417 $ 35,602 $ 75,195 $ 70,612 Basic earnings per common share $ 0.75 $ 0.67 $ 1.40 $ 1.32 Weighted average common shares outstanding 53,854,973 53,515,418 53,779,599 53,490,393 Dilutive effects of assumed conversions and exercise of stock options and warrants 339,533 573,689 401,361 592,464 Weighted average common and dilutive potential common shares outstanding 54,194,506 54,089,107 54,180,960 54,082,857 Net income available to common stockholders $ 40,417 $ 35,602 $ 75,195 $ 70,612 Diluted earnings per common share $ 0.75 $ 0.66 $ 1.39 $ 1.31

Note 4 - Securities (Tables)

Note 4 - Securities (Tables)	6 Months Ended
	Jun. 30, 2020
Notes Tables
Unrealized Gain (Loss) on Investments [Table Text Block]	Gross Gross Amortized Unrealized Unrealized Market Cost Gain Loss Value June 30, 2020 (In Thousands) Securities Available for Sale U.S. Treasury securities $ 39,978 $ 604 $ - $ 40,582 Government agencies 15,225 350 - 15,575 Mortgage-backed securities 497,442 19,594 - 517,036 State and municipal securities 45,060 517 - 45,577 Corporate debt 234,924 3,469 (1,035 ) 237,358 Total $ 832,629 $ 24,534 $ (1,035 ) $ 856,128 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]	June 30, 2020 December 31, 2019 Amortized Cost Fair Value Amortized Cost Fair Value (In thousands) Debt securities available for sale Due within one year $ 50,291 $ 50,553 $ 58,722 $ 58,975 Due from one to five years 79,483 81,473 90,034 91,005 Due from five to ten years 187,295 188,814 129,501 131,914 Due after ten years 18,118 18,252 3,411 3,451 Mortgage-backed securities 497,442 517,036 470,513 474,054 $ 832,629 $ 856,128 $ 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) June 30, 2020 U.S. Treasury and government sponsored agencies $ - $ - $ - $ - $ - $ - Mortgage-backed securities - - - - - - State and municipal securities (1) - - - 307 - 307 Corporate debt (1,035 ) 68,711 - - (1,035 ) 68,711 Total $ (1,035 ) $ 68,711 $ - $ 307 $ (1,035 ) $ 69,018 (1) The municipal security with an unrealized loss for twelve months or more has an unrealized loss of $129.60. December 31, 2019 U.S. Treasury and government sponsored agencies $ (6 ) $ 3,278 $ - $ - $ (6 ) $ 3,278 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)	6 Months Ended
	Jun. 30, 2020
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	June 30, December 31, 2020 2019 (Dollars In Thousands) Commercial, financial and agricultural $ 3,498,627 $ 2,696,210 Real estate - construction 544,586 521,392 Real estate - mortgage: Owner-occupied commercial 1,634,495 1,587,478 1-4 family mortgage 665,883 644,188 Other mortgage 1,911,384 1,747,394 Subtotal: Real estate - mortgage 4,211,762 3,979,060 Consumer 60,400 64,789 Total Loans 8,315,375 7,261,451 Less: Allowance for loan losses (91,507 ) (76,584 ) Net Loans $ 8,223,868 $ 7,184,867 Commercial, financial and agricultural 42.07 % 37.13 % Real estate - construction 6.55 % 7.18 % Real estate - mortgage: Owner-occupied commercial 19.66 % 21.86 % 1-4 family mortgage 8.00 % 8.87 % Other mortgage 22.99 % 24.07 % Subtotal: Real estate - mortgage 50.65 % 54.80 % Consumer 0.73 % 0.89 % Total Loans 100.00 % 100.00 %
Financing Receivable Credit Quality Indicators [Table Text Block]	Special June 30, 2020 Pass Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 3,388,928 $ 46,582 $ 63,117 $ - $ 3,498,627 Real estate - construction 540,898 3,100 588 - 544,586 Real estate - mortgage: Owner-occupied commercial 1,619,718 10,887 3,890 - 1,634,495 1-4 family mortgage 661,070 3,508 1,305 - 665,883 Other mortgage 1,903,121 6,509 1,754 - 1,911,384 Total real estate mortgage 4,183,909 20,904 6,949 - 4,211,762 Consumer 60,299 92 9 - 60,400 Total $ 8,174,034 $ 70,678 $ 70,663 $ - $ 8,315,375 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]	June 30, 2020 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 3,484,491 $ 14,136 $ 3,498,627 Real estate - construction 543,999 587 544,586 Real estate - mortgage: Owner-occupied commercial 1,632,781 1,714 1,634,495 1-4 family mortgage 665,200 683 665,883 Other mortgage 1,906,523 4,861 1,911,384 Total real estate mortgage 4,204,504 7,258 4,211,762 Consumer 60,367 33 60,400 Total $ 8,293,361 $ 22,014 $ 8,315,375 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]	June 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 $ 273 $ 4,437 $ 248 $ 4,958 $ 13,888 $ 3,479,781 $ 3,498,627 Real estate - construction 116 - - 116 587 543,883 544,586 Real estate - mortgage: Owner-occupied commercial - 442 - 442 1,714 1,632,339 1,634,495 1-4 family mortgage 80 - - 80 683 665,120 665,883 Other mortgage - - 4,861 4,861 - 1,906,523 1,911,384 Total real estate - mortgage 80 442 4,861 5,383 2,397 4,203,982 4,211,762 Consumer 46 80 24 150 9 60,241 60,400 Total $ 515 $ 4,959 $ 5,133 $ 10,607 $ 16,881 $ 8,287,887 $ 8,315,375 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 June 30, 2020 Allowance for loan losses: Balance at March 31, 2020 $ 48,780 $ 3,757 $ 32,360 $ 517 $ 85,414 Charge-offs (1,358 ) (376 ) (2,520 ) (62 ) (4,316 ) Recoveries 84 1 13 28 126 Provision 480 1,149 8,546 108 10,283 Balance at June 30, 2020 $ 47,986 $ 4,531 $ 38,399 $ 591 $ 91,507 Three Months Ended June 30, 2019 Allowance for loan losses: Balance at March 31, 2019 $ 39,459 $ 3,595 $ 26,711 $ 442 $ 70,207 Charge-offs (3,610 ) - (169 ) (63 ) (3,842 ) Recoveries 117 - 4 16 137 Provision 2,743 (176 ) 2,237 80 4,884 Balance at June 30, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 Six Months Ended June 30, 2020 Allowance for loan losses: Balance at December 31, 2019 $ 43,666 $ 2,768 $ 29,653 $ 497 $ 76,584 Charge-offs (3,998 ) (830 ) (4,198 ) (120 ) (9,146 ) Recoveries 146 2 14 40 202 Provision 8,172 2,591 12,930 174 23,867 Balance at June 30, 2020 $ 47,986 $ 4,531 $ 38,399 $ 591 $ 91,507 Six Months Ended June 30, 2019 Allowance for loan losses: Balance at December 31, 2018 $ 39,016 $ 3,522 $ 25,508 $ 554 $ 68,600 Charge-offs (6,647 ) - (219 ) (281 ) (7,147 ) Recoveries 129 1 11 23 164 Provision 6,211 (104 ) 3,483 179 9,769 Balance at June 30, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 As of June 30, 2020 Allowance for loan losses: Individually Evaluated for Impairment $ 9,344 $ 201 $ 209 $ - $ 9,754 Collectively Evaluated for Impairment 38,642 4,330 38,190 591 81,753 Loans: Ending Balance $ 3,498,627 $ 544,586 $ 4,211,762 $ 60,400 $ 8,315,375 Individually Evaluated for Impairment 63,531 616 8,004 9 72,160 Collectively Evaluated for Impairment 3,435,096 543,970 4,203,758 60,391 8,243,215 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 six months ended June 30, ended June 30, June 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 $ 30,371 $ 30,371 $ - $ 30,939 $ 122 $ 31,433 $ 531 Real estate - construction 29 32 - 33 - 34 1 Real estate - mortgage: Owner-occupied commercial 2,942 3,038 - 3,048 49 3,058 91 1-4 family mortgage 654 654 - 655 4 506 5 Other mortgage 1,701 1,701 - 1,701 18 - - Total real estate - mortgage 5,297 5,393 - 5,404 71 3,564 96 Consumer 9 9 - 9 - 9 - Total with no allowance recorded 35,706 35,805 - 36,385 193 35,040 628 With an allowance recorded: Commercial, financial and agricultural 33,160 34,494 9,344 33,701 203 33,793 467 Real estate - construction 587 637 201 965 - 1,201 - Real estate - mortgage: Owner-occupied commercial 2,008 2,148 169 2,209 5 2,303 8 1-4 family mortgage 647 647 40 646 4 649 7 Other mortgage 52 52 - 52 1 104 3 Total real estate - mortgage 2,707 2,847 209 2,907 10 3,056 18 Consumer - - - - - - - Total with allowance recorded 36,454 37,978 9,754 37,573 213 38,050 485 Total Impaired Loans: Commercial, financial and agricultural 63,531 64,865 9,344 64,640 325 65,226 998 Real estate - construction 616 669 201 998 - 1,235 1 Real estate - mortgage: Owner-occupied commercial 4,950 5,186 169 5,257 54 5,361 99 1-4 family mortgage 1,301 1,301 40 1,301 8 1,155 12 Other mortgage 1,753 1,753 - 1,753 19 104 3 Total real estate - mortgage 8,004 8,240 209 8,311 81 6,620 114 Consumer 9 9 - 9 - 9 - Total impaired loans $ 72,160 $ 73,783 $ 9,754 $ 73,958 $ 406 $ 73,090 $ 1,113 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 June 30, 2020 Six Months Ended June 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 $ 350 $ 350 Real estate - construction - - - - - - Real estate - mortgage: Owner-occupied commercial - - - - - - 1-4 family mortgage - - - - - - Other mortgage - - - - - - Total real estate mortgage - - - - - - Consumer - - - - - - - $ - $ - 1 $ 350 $ 350 Three Months Ended June 30, 2019 Six Months Ended June 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 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 1 $ 2,742 $ 2,742

Note 6 - Leases (Tables)

Note 6 - Leases (Tables)	6 Months Ended
	Jun. 30, 2020
Notes Tables
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	June 30, 2020 (In Thousands) 2020 (remaining) $ 1,709 2021 2,721 2022 2,655 2023 2,181 2024 1,180 thereafter 2,570 Total lease payments 13,016 Less: imputed interest (1,182 ) Present value of operating lease liabilities $ 11,834
Lease, Cost [Table Text Block]	Three Months Ended June 30, 2020 Three Months Ended June 30, 2019 Operating lease cost $ 873 $ 842 Short-term lease cost 16 7 Variable lease cost 44 52 Sublease income (29 ) (6 ) Net lease cost $ 904 $ 895 Six Months Ended June 30, 2020 Six Months Ended June 30, 2019 Operating lease cost $ 1,747 $ 1,691 Short-term lease cost 32 13 Variable lease cost 88 102 Sublease income (45 ) (12 ) Net lease cost $ 1,822 $ 1,794

Note 7 - Employee and Directo_2

Note 7 - Employee and Director Benefits (Tables)	6 Months Ended
	Jun. 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 2.55 %
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) Six Months Ended June 30, 2020: Outstanding at January 1, 2020 965,248 $ 15.19 4.9 $ 21,911 Granted - - - - Exercised (236,000 ) 10.36 3.1 5,995 Forfeited (18,000 ) 30.79 6.6 90 Outstanding at June 30, 2020 711,248 18.21 5.3 $ 13,808 Exercisable at June 30, 2020 236,500 $ 12.76 3.6 $ 5,446 Six Months Ended June 30, 2019: Outstanding at January 1, 2019 1,238,748 $ 13.02 5.2 $ 23,355 Granted 10,500 34.44 9.7 (2 ) Exercised (188,500 ) 5.58 1.8 5,014 Forfeited (13,000 ) 29.93 7.4 56 Outstanding at June 30, 2019 1,047,748 14.37 5.3 $ 21,233 Exercisable at June 30, 2019 328,800 $ 8.13 3.7 $ 8,964
Nonvested Restricted Stock Shares Activity [Table Text Block]	Shares Weighted Average Grant Date Fair Value Six Months Ended June 30, 2020: Non-vested at January 1, 2020 71,290 $ 31.53 Granted 25,567 36.29 Vested (18,828 ) 23.06 Forfeited - - Non-vested at June 30, 2020 78,029 35.14 Six Months Ended June 30, 2019: Non-vested at January 1, 2019 44,076 $ 38.44 Granted 23,474 34.03 Vested (5,200 ) 20.31 Forfeited (2,500 ) 38.17 Non-vested at June 30, 2019 59,850 38.95

Note 11 - Fair Value Measurem_2

Note 11 - Fair Value Measurement (Tables)	6 Months Ended
	Jun. 30, 2020
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Fair Value Measurements at June 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 $ - $ 40,582 $ - $ 40,582 Government agency securities - 15,575 - 15,575 Mortgage-backed securities - 517,036 - 517,036 State and municipal securities - 45,577 - 45,577 Corporate debt - 230,763 6,595 237,358 Total available-for-sale debt securities - 849,533 6,595 856,128 Interest rate cap derivative - 543 - 543 Total assets at fair value $ - $ 850,076 $ 6,595 $ 856,671 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 June 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 $ - $ - $ 62,406 $ 62,406 Other real estate owned and repossessed assets - - 6,537 6,537 Total assets at fair value $ - $ - $ 68,943 $ 68,943 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]	June 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 $ 1,546,575 $ 1,546,575 $ 530,127 $ 530,127 Level 2 inputs: Federal funds sold 2,352 2,352 100,473 100,473 Mortgage loans held for sale 14,491 14,676 6,302 6,312 Level 3 inputs: Held to maturity debt securities 250 250 250 250 Loans, net 8,161,462 8,079,541 7,151,523 7,099,198 Financial liabilities: Level 2 inputs: Deposits $ 9,342,918 $ 9,359,175 $ 7,530,433 $ 7,534,984 Federal funds purchased 635,606 635,606 470,749 470,749 Other borrowings 64,715 64,624 64,703 65,048

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		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Weighted average common shares outstanding (in shares)	53,854,973	53,515,418	53,779,599	53,490,393
Net income available to common stockholders	$ 40,417	$ 35,602	$ 75,195	$ 70,612
Basic earnings per common share (in dollars per share)	$ 0.75	$ 0.67	$ 1.40	$ 1.32
Dilutive effects of assumed conversions and exercise of stock options and warrants (in shares)	339,533	573,689	401,361	592,464
Weighted average common and dilutive potential common shares outstanding (in shares)	54,194,506	54,089,107	54,180,960	54,082,857
Net income available to common stockholders	$ 40,417	$ 35,602	$ 75,195	$ 70,612
Diluted earnings per common share (in dollars per share)	$ 0.75	$ 0.66	$ 1.39	$ 1.31

Note 4 - Securities (Details Te

Note 4 - Securities (Details Textual) $ in Millions	Jun. 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	1
Available for Sale Securities Debt Securities, Number of Positions	657

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	Jun. 30, 2020	Dec. 31, 2019
Available for sale, amortized cost	$ 832,629	$ 752,181
Available for sale, gross unrealized gain	24,534	8,726
Available for sale, gross unrealized loss	(1,035)	(1,508)
Available for sale, fair value	856,128	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	39,978	48,923
Available for sale, gross unrealized gain	604	291
Available for sale, gross unrealized loss	0	(4)
Available for sale, fair value	40,582	49,210
US Government Agencies Debt Securities [Member]
Available for sale, amortized cost	15,225	18,245
Available for sale, gross unrealized gain	350	143
Available for sale, gross unrealized loss	0	(2)
Available for sale, fair value	15,575	18,386
Collateralized Mortgage Backed Securities [Member]
Available for sale, amortized cost	497,442	470,513
Available for sale, gross unrealized gain	19,594	4,859
Available for sale, gross unrealized loss	0	(1,318)
Available for sale, fair value	517,036	474,054
US States and Political Subdivisions Debt Securities [Member]
Available for sale, amortized cost	45,060	56,951
Available for sale, gross unrealized gain	517	335
Available for sale, gross unrealized loss	0	(14)
Available for sale, fair value	45,577	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	234,924	157,549
Available for sale, gross unrealized gain	3,469	3,098
Available for sale, gross unrealized loss	(1,035)	(170)
Available for sale, fair value	$ 237,358	$ 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	Jun. 30, 2020	Dec. 31, 2019
Due within one year, amortized cost	$ 50,291	$ 58,722
Due within one year, fair value	50,553	58,975
Due from one to five years, amortized cost	79,483	90,034
Due from one to five years, fair value	81,473	91,005
Due from five to ten years, amortized cost	187,295	129,501
Due from five to ten years, fair value	188,814	131,914
Due after ten years, amortized cost	18,118	3,411
Due after ten years, fair value	18,252	3,451
Mortgage-backed securities, amortized cost	497,442	470,513
Mortgage-backed securities, fair value	517,036	474,054
Available for sale, amortized cost	832,629	752,181
Available for sale, fair value	856,128	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	Jun. 30, 2020		Dec. 31, 2019
Less Than Twelve Months, Gross Unrealized Losses	$ (1,035)		$ (1,386)
Less Than Twelve Months, Fair Value	68,711		178,489
Twelve Months or More, Gross Unrealized Losses	0		(122)
Twelve Months or More, Fair Value	307		27,558
Total, Gross Unrealized Losses	(1,035)		(1,508)
Total, Fair Value	69,018		206,047
US Treasury and Government [Member]
Less Than Twelve Months, Gross Unrealized Losses	0		(6)
Less Than Twelve Months, Fair Value	0		3,278
Twelve Months or More, Gross Unrealized Losses	0		0
Twelve Months or More, Fair Value	0		0
Total, Gross Unrealized Losses	0		(6)
Total, Fair Value	0		3,278
Collateralized Mortgage Backed Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	0		(1,206)
Less Than Twelve Months, Fair Value	0		153,330
Twelve Months or More, Gross Unrealized Losses	0		(112)
Twelve Months or More, Fair Value	0		24,911
Total, Gross Unrealized Losses	0		(1,318)
Total, Fair Value	0		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	307		2,647
Total, Gross Unrealized Losses	0		(14)
Total, Fair Value	307		4,547
Corporate Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(1,035)		(170)
Less Than Twelve Months, Fair Value	68,711		19,981
Twelve Months or More, Gross Unrealized Losses	0		0
Twelve Months or More, Fair Value	0		0
Total, Gross Unrealized Losses	(1,035)		(170)
Total, Fair Value	$ 68,711		$ 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		6 Months Ended		12 Months Ended
	Jun. 30, 2020USD ($)	Jun. 30, 2019USD ($)	Jun. 30, 2020USD ($)	Jun. 30, 2019USD ($)	Dec. 31, 2019USD ($)
Number of Loans Funded, Payroll Protection Plan	4,800		4,800
Amount of Loans Funded, Payment Protection Plan	$ 1,050,000,000		$ 1,050,000,000
Provision for Loan and Lease Losses, Total	$ 10,283,000	$ 4,884,000	$ 23,867,000	$ 9,769,000
Financing Receivable, Number of Payment Deferrals	244		244
Financing Receivable, Payment Deferral, Recorded Investment	$ 342,000,000		$ 342,000,000
Financing Receivable, Troubled Debt Restructuring	1,600,000	11,300,000	1,600,000	11,300,000	$ 3,300,000
Financing Receivable, Modifications, Recorded Investment, Accruing Interest	$ 975,000	$ 2,700,000	975,000	2,700,000	625,000
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down			$ 411,000	$ 2,000,000	$ 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	164		164
Financing Receivable, Payment Deferral, Recorded Investment	$ 102,400,000		$ 102,400,000
Interest Only Deferral [Member]
Financing Receivable, Number of Payment Deferrals	45		45
Financing Receivable, Payment Deferral, Recorded Investment	$ 151,100,000		$ 151,100,000
Principal and Interest Deferrals [Member]
Financing Receivable, Number of Payment Deferrals	35		35
Financing Receivable, Payment Deferral, Recorded Investment	$ 88,500,000		$ 88,500,000
COVID-19 [Member]
Provision for Loan and Lease Losses, Total	9,000,000		15,700,000
Loans Excluding PPP Loans [Member]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Total	28,900,000		28,900,000
PPP Loans [Member]
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums, Total	$ 2,600,000		$ 2,600,000

Note 5 - Loans - Summary of Loa

Note 5 - Loans - Summary of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019		Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
Financing receivable, gross	$ 8,315,375		$ 7,261,451
Less: Allowance for loan losses	(91,507)	$ (85,414)	(76,584)	[1]	$ (71,386)	$ (70,207)	$ (68,600)
Net Loans	$ 8,223,868		$ 7,184,867	[1]
Financing receivable, gross percentage	100.00%		100.00%
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	$ 3,498,627		$ 2,696,210
Less: Allowance for loan losses	$ (47,986)	(48,780)	$ (43,666)		(38,709)	(39,459)	(39,016)
Financing receivable, gross percentage	42.07%		37.13%
Real Estate Portfolio Segment[Member]
Financing receivable, gross	$ 4,211,762		$ 3,979,060
Financing receivable, gross percentage	50.65%		54.80%
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	$ 544,586		$ 521,392
Less: Allowance for loan losses	$ (4,531)	(3,757)	$ (2,768)		(3,419)	(3,595)	(3,522)
Financing receivable, gross percentage	6.55%		7.18%
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	$ 1,634,495		$ 1,587,478
Financing receivable, gross percentage	19.66%		21.86%
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	$ 665,883		$ 644,188
Financing receivable, gross percentage	8.00%		8.87%
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	$ 1,911,384		$ 1,747,394
Financing receivable, gross percentage	22.99%		24.07%
Consumer Portfolio Segment [Member]
Financing receivable, gross	$ 60,400		$ 64,789
Less: Allowance for loan losses	$ (591)	$ (517)	$ (497)		$ (475)	$ (442)	$ (554)
Financing receivable, gross percentage	0.73%		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	Jun. 30, 2020	Dec. 31, 2019
Financing receivable, gross	$ 8,315,375	$ 7,261,451
Pass [Member]
Financing receivable, gross	8,174,034	7,137,760
Special Mention [Member]
Financing receivable, gross	70,678	81,952
Substandard [Member]
Financing receivable, gross	70,663	41,739
Doubtful [Member]
Financing receivable, gross	0	0
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	3,498,627	2,696,210
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Financing receivable, gross	3,388,928	2,629,487
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing receivable, gross	46,582	46,176
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Financing receivable, gross	63,117	20,547
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
Financing receivable, gross	0	0
Real Estate Portfolio Segment[Member]
Financing receivable, gross	4,211,762	3,979,060
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	544,586	521,392
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,634,495	1,587,478
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	665,883	644,188
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	1,911,384	1,747,394
Real Estate Portfolio Segment[Member] | Pass [Member]
Financing receivable, gross	4,183,909	3,931,111
Real Estate Portfolio Segment[Member] | Pass [Member] | Construction Loans [Member]
Financing receivable, gross	540,898	512,373
Real Estate Portfolio Segment[Member] | Pass [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,619,718	1,555,283
Real Estate Portfolio Segment[Member] | Pass [Member] | One to Four Family [Member]
Financing receivable, gross	661,070	639,959
Real Estate Portfolio Segment[Member] | Pass [Member] | Other Mortgages [Member]
Financing receivable, gross	1,903,121	1,735,869
Real Estate Portfolio Segment[Member] | Special Mention [Member]
Financing receivable, gross	20,904	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	10,887	18,240
Real Estate Portfolio Segment[Member] | Special Mention [Member] | One to Four Family [Member]
Financing receivable, gross	3,508	2,787
Real Estate Portfolio Segment[Member] | Special Mention [Member] | Other Mortgages [Member]
Financing receivable, gross	6,509	10,018
Real Estate Portfolio Segment[Member] | Substandard [Member]
Financing receivable, gross	6,949	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	3,890	13,955
Real Estate Portfolio Segment[Member] | Substandard [Member] | One to Four Family [Member]
Financing receivable, gross	1,305	1,442
Real Estate Portfolio Segment[Member] | Substandard [Member] | Other Mortgages [Member]
Financing receivable, gross	1,754	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	60,400	64,789
Consumer Portfolio Segment [Member] | Pass [Member]
Financing receivable, gross	60,299	64,789
Consumer Portfolio Segment [Member] | Special Mention [Member]
Financing receivable, gross	92	0
Consumer Portfolio Segment [Member] | Substandard [Member]
Financing receivable, gross	9	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	Jun. 30, 2020	Dec. 31, 2019
Financing receivable, gross	$ 8,315,375	$ 7,261,451
Performing Financial Instruments [Member]
Financing receivable, gross	8,293,361	7,225,339
Nonperforming Financial Instruments [Member]
Financing receivable, gross	22,014	36,112
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	3,498,627	2,696,210
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing receivable, gross	3,484,491	2,681,280
Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	14,136	14,930
Real Estate Portfolio Segment[Member]
Financing receivable, gross	4,211,762	3,979,060
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	544,586	521,392
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,634,495	1,587,478
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	665,883	644,188
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	1,911,384	1,747,394
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member]
Financing receivable, gross	4,204,504	3,959,490
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member]
Financing receivable, gross	543,999	519,803
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,632,781	1,576,652
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member]
Financing receivable, gross	665,200	641,875
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member]
Financing receivable, gross	1,906,523	1,740,963
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	7,258	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	1,714	10,826
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member]
Financing receivable, gross	683	2,313
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member]
Financing receivable, gross	4,861	6,431
Consumer Portfolio Segment [Member]
Financing receivable, gross	60,400	64,789
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing receivable, gross	60,367	64,766
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	$ 33	$ 23

Note 5 - Loans - Loans Categori

Note 5 - Loans - Loans Categorized by Past Due Status (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Accrual loans, past due	$ 10,607	$ 20,754
Non-accrual	16,881	30,091
Current	8,287,887	7,210,606
Total loans	8,315,375	7,261,451	[1]
Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	515	6,555
Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	4,959	8,178
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	5,133	6,021
Commercial Real Estate Portfolio Segment [Member]
Accrual loans, past due	4,958	3,680
Non-accrual	13,888	14,729
Current	3,479,781	2,677,801
Total loans	3,498,627	2,696,210
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	273	3,135
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	4,437	344
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	248	201
Real Estate Portfolio Segment[Member]
Accrual loans, past due	5,383	16,161
Non-accrual	2,397	13,773
Current	4,203,982	3,949,126
Total loans	4,211,762	3,979,060
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Accrual loans, past due	116	830
Non-accrual	587	1,589
Current	543,883	518,973
Total loans	544,586	521,392
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	442	8,159
Non-accrual	1,714	10,826
Current	1,632,339	1,568,493
Total loans	1,634,495	1,587,478
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Accrual loans, past due	80	3,078
Non-accrual	683	1,440
Current	665,120	639,670
Total loans	665,883	644,188
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Accrual loans, past due	4,861	4,924
Non-accrual	0	1,507
Current	1,906,523	1,740,963
Total loans	1,911,384	1,747,394
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	80	2,555
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member]
Accrual loans, past due	116	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	80	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	442	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	442	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	0	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	4,861	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	4,861	4,924
Consumer Portfolio Segment [Member]
Accrual loans, past due	150	83
Non-accrual	9	0
Current	60,241	64,706
Total loans	60,400	64,789
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	46	35
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	80	25
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	$ 24	$ 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		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020		Jun. 30, 2019	Dec. 31, 2019
Balance, beginning of period	$ 85,414	$ 70,207	$ 76,584	[1]	$ 68,600
Charge-offs	(4,316)	(3,842)	(9,146)		(7,147)
Recoveries	126	137	202		164
Provision	10,283	4,884	23,867		9,769
Balance, end of period	91,507	71,386	91,507		71,386
Individually Evaluated for Impairment	9,754		9,754			$ 9,804
Collectively Evaluated for Impairment	81,753		81,753			66,780
Loans	8,315,375		8,315,375			7,261,451	[1]
Individually Evaluated for Impairment	72,160		72,160			43,148
Collectively Evaluated for Impairment	8,243,215		8,243,215			7,218,303
Commercial Real Estate Portfolio Segment [Member]
Balance, beginning of period	48,780	39,459	43,666		39,016
Charge-offs	(1,358)	(3,610)	(3,998)		(6,647)
Recoveries	84	117	146		129
Provision	480	2,743	8,172		6,211
Balance, end of period	47,986	38,709	47,986		38,709
Individually Evaluated for Impairment	9,344		9,344			6,085
Collectively Evaluated for Impairment	38,642		38,642			37,581
Loans	3,498,627		3,498,627			2,696,210
Individually Evaluated for Impairment	63,531		63,531			20,843
Collectively Evaluated for Impairment	3,435,096		3,435,096			2,675,367
Real Estate Portfolio Segment[Member]
Loans	4,211,762		4,211,762			3,979,060
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Balance, beginning of period	3,757	3,595	2,768		3,522
Charge-offs	(376)	0	(830)		0
Recoveries	1	0	2		1
Provision	1,149	(176)	2,591		(104)
Balance, end of period	4,531	3,419	4,531		3,419
Individually Evaluated for Impairment	201		201			86
Collectively Evaluated for Impairment	4,330		4,330			2,682
Loans	544,586		544,586			521,392
Individually Evaluated for Impairment	616		616			4,320
Collectively Evaluated for Impairment	543,970		543,970			517,072
Real Estate Portfolio Segment[Member] | Real Estate Loan [Member]
Balance, beginning of period	32,360	26,711	29,653		25,508
Charge-offs	(2,520)	(169)	(4,198)		(219)
Recoveries	13	4	14		11
Provision	8,546	2,237	12,930		3,483
Balance, end of period	38,399	28,783	38,399		28,783
Individually Evaluated for Impairment	209		209			3,633
Collectively Evaluated for Impairment	38,190		38,190			26,020
Loans	4,211,762		4,211,762			3,979,060
Individually Evaluated for Impairment	8,004		8,004			17,985
Collectively Evaluated for Impairment	4,203,758		4,203,758			3,961,075
Consumer Portfolio Segment [Member]
Balance, beginning of period	517	442	497		554
Charge-offs	(62)	(63)	(120)		(281)
Recoveries	28	16	40		23
Provision	108	80	174		179
Balance, end of period	591	$ 475	591		$ 475
Individually Evaluated for Impairment	0		0			0
Collectively Evaluated for Impairment	591		591			497
Loans	60,400		60,400			64,789
Individually Evaluated for Impairment	9		9			0
Collectively Evaluated for Impairment	$ 60,391		$ 60,391			$ 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	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Recorded investment, with no allowance	$ 35,706	$ 35,706	$ 19,183
Unpaid principal balance, with no allowance	35,805	35,805	20,831
Average recorded investment, with no allowance	36,385	35,040	21,184
Interest income recognized in period, with no allowance	193	628	1,308
Average recorded investment, with no allowance	36,385	35,040	21,184
Recorded investment, with an allowance	36,454	36,454	23,965
Unpaid principal balance, with an allowance	37,978	37,978	34,584
Related allowance	9,754	9,754	9,804
Average recorded investment, with an allowance	37,573	38,050	37,580
Interest income recognized in period, with an allowance	213	485	745
Average recorded investment, with an allowance	37,573	38,050	37,580
Recorded investment	72,160	72,160	43,148
Unpaid principal balance	73,783	73,783	55,415
Average recorded investment	73,958	73,090	58,764
Interest income recognized in period	406	1,113	2,053
Average recorded investment	73,958	73,090	58,764
Commercial Real Estate Portfolio Segment [Member]
Recorded investment, with no allowance	30,371	30,371	9,015
Unpaid principal balance, with no allowance	30,371	30,371	10,563
Average recorded investment, with no allowance	30,939	31,433	11,284
Interest income recognized in period, with no allowance	122	531	562
Average recorded investment, with no allowance	30,939	31,433	11,284
Recorded investment, with an allowance	33,160	33,160	11,828
Unpaid principal balance, with an allowance	34,494	34,494	19,307
Related allowance	9,344	9,344	6,085
Average recorded investment, with an allowance	33,701	33,793	19,714
Interest income recognized in period, with an allowance	203	467	395
Average recorded investment, with an allowance	33,701	33,793	19,714
Recorded investment	63,531	63,531	20,843
Unpaid principal balance	64,865	64,865	29,870
Average recorded investment	64,640	65,226	30,998
Interest income recognized in period	325	998	957
Average recorded investment	64,640	65,226	30,998
Real Estate Portfolio Segment[Member]
Recorded investment, with no allowance	5,297	5,297	7,437
Unpaid principal balance, with no allowance	5,393	5,393	7,533
Average recorded investment, with no allowance	5,404	3,564	7,837
Interest income recognized in period, with no allowance	71	96	620
Average recorded investment, with no allowance	5,404	3,564	7,837
Recorded investment, with an allowance	2,707	2,707	10,548
Unpaid principal balance, with an allowance	2,847	2,847	13,688
Related allowance	209	209	3,633
Average recorded investment, with an allowance	2,907	3,056	16,252
Interest income recognized in period, with an allowance	10	18	323
Average recorded investment, with an allowance	2,907	3,056	16,252
Recorded investment	8,004	8,004	17,985
Unpaid principal balance	8,240	8,240	21,221
Average recorded investment	8,311	6,620	24,089
Interest income recognized in period	81	114	943
Average recorded investment	8,311	6,620	24,089
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Recorded investment, with no allowance	29	29	2,731
Unpaid principal balance, with no allowance	32	32	2,735
Average recorded investment, with no allowance	33	34	2,063
Interest income recognized in period, with no allowance	0	1	126
Average recorded investment, with no allowance	33	34	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	965	1,201	1,614
Interest income recognized in period, with an allowance	0	0	27
Average recorded investment, with an allowance	965	1,201	1,614
Recorded investment	616	616	4,320
Unpaid principal balance	669	669	4,324
Average recorded investment	998	1,235	3,677
Interest income recognized in period	0	1	153
Average recorded investment	998	1,235	3,677
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Recorded investment, with no allowance	2,942	2,942	7,150
Unpaid principal balance, with no allowance	3,038	3,038	7,246
Average recorded investment, with no allowance	3,048	3,058	7,548
Interest income recognized in period, with no allowance	49	91	618
Average recorded investment, with no allowance	3,048	3,058	7,548
Recorded investment, with an allowance	2,008	2,008	7,888
Unpaid principal balance, with an allowance	2,148	2,148	11,028
Related allowance	169	169	2,456
Average recorded investment, with an allowance	2,209	2,303	13,627
Interest income recognized in period, with an allowance	5	8	301
Average recorded investment, with an allowance	2,209	2,303	13,627
Recorded investment	4,950	4,950	15,038
Unpaid principal balance	5,186	5,186	18,274
Average recorded investment	5,257	5,361	21,175
Interest income recognized in period	54	99	919
Average recorded investment	5,257	5,361	21,175
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Recorded investment, with no allowance	654	654	287
Unpaid principal balance, with no allowance	654	654	287
Average recorded investment, with no allowance	655	506	289
Interest income recognized in period, with no allowance	4	5	2
Average recorded investment, with no allowance	655	506	289
Recorded investment, with an allowance	647	647	1,153
Unpaid principal balance, with an allowance	647	647	1,153
Related allowance	40	40	176
Average recorded investment, with an allowance	646	649	1,157
Average recorded investment, with an allowance	646	649	1,157
Interest income recognized in period, with an allowance	4	7	1
Recorded investment	1,301	1,301	1,440
Unpaid principal balance	1,301	1,301	1,440
Average recorded investment	1,301	1,155	1,446
Interest income recognized in period	8	12	3
Average recorded investment	1,301	1,155	1,446
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Recorded investment, with no allowance	1,701	1,701	0
Unpaid principal balance, with no allowance	1,701	1,701	0
Average recorded investment, with no allowance	1,701	0	0
Interest income recognized in period, with no allowance	18	0	0
Average recorded investment, with no allowance	1,701	0	0
Recorded investment, with an allowance	52	52	1,507
Unpaid principal balance, with an allowance	52	52	1,507
Related allowance	0	0	1,001
Average recorded investment, with an allowance	52	104	1,468
Interest income recognized in period, with an allowance	1	3	21
Average recorded investment, with an allowance	52	104	1,468
Recorded investment	1,753	1,753	1,507
Unpaid principal balance	1,753	1,753	1,507
Average recorded investment	1,753	104	1,468
Interest income recognized in period	19	3	21
Average recorded investment	1,753	104	1,468
Consumer Portfolio Segment [Member]
Recorded investment, with no allowance	9	9	0
Unpaid principal balance, with no allowance	9	9	0
Average recorded investment, with no allowance	9	9	0
Interest income recognized in period, with no allowance	0	0	0
Average recorded investment, with no allowance	9	9	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	9	9	0
Unpaid principal balance	9	9	0
Average recorded investment	9	9	0
Interest income recognized in period	0	0	0
Average recorded investment	$ 9	$ 9	$ 0

Note 5 - Loans - Troubled Debt

Note 5 - Loans - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020USD ($)	Jun. 30, 2019USD ($)	Jun. 30, 2020USD ($)	Jun. 30, 2019USD ($)
Number of Contracts	0	1	1	1
Pre- Modification Outstanding Recorded Investment	$ 0	$ 2,742	$ 350	$ 2,742
Post- Modification Outstanding Recorded Investment	$ 0	$ 2,742	$ 350	$ 2,742
Commercial Real Estate Portfolio Segment [Member]
Number of Contracts	0	1	1	1
Pre- Modification Outstanding Recorded Investment	$ 0	$ 2,742	$ 350	$ 2,742
Post- Modification Outstanding Recorded Investment	$ 0	$ 2,742	$ 350	$ 2,742
Real Estate Portfolio Segment[Member]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Consumer Portfolio Segment [Member]
Number of Contracts	0	0	0	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0
Post- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0

Note 6 - Leases (Details Textua

Note 6 - Leases (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Lessee, Operating Lease, Remaining Lease Term (Year)	8 years 8 months 12 days		8 years 8 months 12 days
Operating Lease, Right-of-Use Asset	$ 11,700,000		$ 11,700,000		$ 13,300,000
Operating Lease, Liability, Total	$ 11,834,000		$ 11,834,000		$ 13,400,000
Operating Lease, Weighted Average Remaining Lease Term (Year)	5 years 2 months 12 days		5 years 2 months 12 days
Operating Lease, Weighted Average Discount Rate, Percent	3.19%		3.19%
Operating Lease, Payments	$ 856,000	$ 807,000	$ 1,700,000	$ 1,600,000

Note 6 - Leases - Maturities of

Note 6 - Leases - Maturities of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
2020 (remaining)	$ 1,709
2021	2,721
2022	2,655
2023	2,181
2024	1,180
thereafter	2,570
Total lease payments	13,016
Less: imputed interest	(1,182)
Present value of operating lease liabilities	$ 11,834	$ 13,400

Note 6 - Leases - Lease Costs (

Note 6 - Leases - Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating lease cost	$ 873	$ 842	$ 1,747	$ 1,691
Short-term lease cost	16	7	32	13
Variable lease cost	44	52	88	102
Sublease income	(29)	(6)	(45)	(12)
Net lease cost	$ 904	$ 895	$ 1,822	$ 1,794

Note 7 - Employee and Directo_3

Note 7 - Employee and Director Benefits (Details Textual) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2014
Share-based Payment Arrangement, Expense	$ 353,000	$ 206,000	$ 629,000	$ 488,000
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	949,000		$ 949,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			1 year 1 month 6 days
Restricted Stock [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 1,900,000		$ 1,900,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			3 years
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]	6 Months Ended
	Jun. 30, 2020
Expected volatility	40.00%
Expected dividends	1.74%
Expected term (Year)	6 years 8 months 12 days
Risk-free rate	2.55%

Note 7 - Employee and Directo_5

Note 7 - Employee and Director Benefits - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Granted (in shares)		0
Share-based Payment Arrangement, Option [Member]
Outstanding, shares (in shares)	965,248	965,248	1,238,748	1,238,748
Outstanding, weighted average exercise price (in dollars per share)	$ 15.19	$ 15.19	$ 13.02	$ 13.02
Outstanding, weighted average remaining contractual term (Year)	5 years 3 months 18 days		5 years 3 months 18 days	4 years 10 months 24 days	5 years 2 months 12 days
Outstanding, aggregate intrinsic value		$ 13,808	$ 21,233	$ 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	$ (2)
Exercised (in shares)		(236,000)	(188,500)
Exercised, weighted average exercise price (in dollars per share)		$ 10.36	$ 5.58
Exercised, weighted average remaining contractual term (Year)	3 years 1 month 6 days		1 year 9 months 18 days
Exercised, aggregate intrinsic value		$ 5,995	$ 5,014
Forfeited (in shares)		(18,000)	(13,000)
Forfeited, weighted average exercise price (in dollars per share)		$ 30.79	$ 29.93
Forfeited, weighted average remaining contractual term (Year)	6 years 7 months 6 days
Forfeited, aggregate intrinsic value		$ 90	$ 56
Exercisable, shares (in shares)		236,500	328,800
Exercisable, weighted average exercise price (in dollars per share)		$ 12.76	$ 8.13
Exercisable, weighted average remaining contractual term (Year)	3 years 7 months 6 days		3 years 8 months 12 days
Exercisable, aggregate intrinsic value		$ 5,446	$ 8,964
Granted, weighted average remaining contractual term (Year)			9 years 8 months 12 days
Outstanding, shares (in shares)		711,248	1,047,748	965,248	1,238,748
Outstanding, weighted average exercise price (in dollars per share)		$ 18.21	$ 14.37	$ 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	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Non-vested, shares (in shares)	71,290	44,076
Non-vested, weighted average grant date fair value (in dollars per share)	$ 31.53	$ 38.44
Granted, shares (in shares)	25,567	23,474
Granted, weighted average grant date fair value (in dollars per share)	$ 36.29	$ 34.03
Vested, shares (in shares)	(18,828)	(5,200)
Vested, weighted average grant date fair value (in dollars per share)	$ 23.06	$ 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)	78,029	59,850
Non-vested, weighted average grant date fair value (in dollars per share)	$ 35.14	$ 38.95

Note 8 - Derivatives (Details T

Note 8 - Derivatives (Details Textual) - Interest Rate Cap [Member]	6 Months Ended
	Jun. 30, 2020USD ($)
Derivative, Term of Contract (Year)	3 years
Derivative, Notional Amount	$ 300,000,000
Derivative, Fair Value, Net, Total	$ 543,000
Derivative, Remaining Maturity (Year)	2 years 9 months 18 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)	6 Months Ended
	Jun. 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		6 Months Ended		12 Months Ended
	Jun. 30, 2020USD ($)	Jun. 30, 2019USD ($)	Jun. 30, 2020USD ($)	Jun. 30, 2019USD ($)	Dec. 31, 2019USD ($)
Debt Securities, Available-for-sale, Total	$ 856,128,000		$ 856,128,000		$ 759,399,000	[1]
Asset Impairment Charges, Total	3,800,000	$ 6,600,000	8,800,000	$ 8,400,000
Real Estate Owned, Amount of Loss at Acquisition	$ 1,900,000	$ 202,000	2,400,000	$ 224,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure			$ 287,000		$ 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%
Weighted Average [Member]
Impaired Loans, Fair Value Adjustment, Percent	16.40%		16.40%		5.60%
Real Estate Owned, Fair Value Adjustment, Percent	11.60%		11.60%		8.00%
Maximum [Member]
Impaired Loans, Fair Value Adjustment, Percent	50.00%		50.00%		30.00%
Real Estate Owned, Fair Value Adjustment, Percent	15.00%		15.00%		10.00%
Corporate Debt Securities [Member]
Number of Available-for-sale Debt Securities Acquired			2
Debt Securities, Available-for-sale, Total	$ 237,358,000		$ 237,358,000		$ 160,477,000
Corporate Debt Securities [Member] | Minimum [Member]
Debt Securities, Available-for-sale, Total	82,232,000		82,232,000		98,783,600
Corporate Debt Securities [Member] | Weighted Average [Member]
Debt Securities, Available-for-sale, Total	110,165,400		110,165,400		112,230,500
Corporate Debt Securities [Member] | Maximum [Member]
Debt Securities, Available-for-sale, Total	$ 100,854,900		$ 100,854,900		$ 102,264,800
[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	Jun. 30, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale, Total	$ 856,128	$ 759,399	[1]
Total assets at fair value	68,943	41,522
US Treasury Securities [Member]
Debt Securities, Available-for-sale, Total	40,582	49,210
US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-sale, Total	15,575	18,386
Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Total	517,036	474,054
US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale, Total	45,577	57,272
Corporate Debt Securities [Member]
Debt Securities, Available-for-sale, Total	237,358	160,477
Fair Value, Recurring [Member]
Debt Securities, Available-for-sale, Total	856,128	759,399
Total assets at fair value	856,671
Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Interest rate cap derivative	543
Fair Value, Recurring [Member] | US Treasury Securities [Member]
Debt Securities, Available-for-sale, Total	40,582	49,210
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-sale, Total	15,575	18,386
Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Total	517,036	474,054
Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Debt Securities, Available-for-sale, Total	45,577	57,272
Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Debt Securities, Available-for-sale, Total	237,358	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	849,533	752,803
Total assets at fair value	850,076
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Interest Rate Swap [Member]
Interest rate cap derivative	543
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Treasury Securities [Member]
Debt Securities, Available-for-sale, Total	40,582	49,210
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Debt Securities, Available-for-sale, Total	15,575	18,386
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale, Total	517,036	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	45,577	57,272
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Debt Securities, Available-for-sale, Total	230,763	153,881
Fair Value, Inputs, Level 3 [Member]
Total assets at fair value	68,943	41,522
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Debt Securities, Available-for-sale, Total	6,595	6,596
Total assets at fair value	6,595
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	$ 6,595	$ 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	Jun. 30, 2020	Dec. 31, 2019
Impaired loans	$ 62,406	$ 33,344
Other real estate owned and repossessed assets	6,537	8,178
Total assets at fair value	68,943	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	62,406	33,344
Other real estate owned and repossessed assets	6,537	8,178
Total assets at fair value	$ 68,943	$ 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	Jun. 30, 2020	Dec. 31, 2019	[1]	Jun. 30, 2019
Cash and due from banks	$ 102,282	$ 78,618
Federal funds sold	2,352	100,473
Mortgage loans held for sale	14,491	6,312
Held to maturity debt securities	250	250
Net Loans	8,223,868	7,184,867
Federal funds purchased	635,606	$ 470,749
Reported Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and due from banks	1,546,575			$ 530,127
Reported Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Federal funds sold	2,352			100,473
Mortgage loans held for sale	14,491			6,302
Deposits	9,342,918			7,530,433
Federal funds purchased	635,606			470,749
Other borrowings	64,715			64,703
Reported Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Held to maturity debt securities	250			250
Net Loans	8,161,462			7,151,523
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member]
Cash and due from banks	1,546,575			530,127
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member]
Federal funds sold	2,352			100,473
Mortgage loans held for sale	14,676			6,312
Deposits	9,359,175			7,534,984
Federal funds purchased	635,606			470,749
Other borrowings	64,624			65,048
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 3 [Member]
Held to maturity debt securities	250			250
Net Loans	$ 8,079,541			$ 7,099,198
[1]	Derived from audited financial statements.