ServisFirst Bancshares (SFBS) 10-Q 29 Oct 19 2019 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Oct. 25, 2019
Document Information [Line Items]
Entity Central Index Key	0001430723
Entity Registrant Name	ServisFirst Bancshares, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2019
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
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		53,592,013

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018	[1]
ASSETS
Cash and due from banks	$ 108,804	$ 97,516
Interest-bearing balances due from depository institutions	463,625	360,534
Federal funds sold	474,298	223,845
Cash and cash equivalents	1,046,727	681,895
Available for sale debt securities, at fair value	688,021	590,184
Held to maturity debt securities (fair value of $250 at September 30, 2019)	250	0
Mortgage loans held for sale	8,691	120
Loans	7,022,069	6,533,499
Less allowance for loan losses	(77,192)	(68,600)
Loans, net	6,944,877	6,464,899
Premises and equipment, net	56,570	57,822
Accrued interest and dividends receivable	25,423	24,070
Deferred tax assets	24,426	27,277
Other real estate owned and repossessed assets	5,337	5,169
Bank owned life insurance contracts	152,976	130,649
Goodwill and other identifiable intangible assets	14,246	14,449
Other assets	37,568	10,848
Total assets	9,005,112	8,007,382
Liabilities:
Noninterest-bearing	1,678,672	1,557,341
Interest-bearing	6,045,486	5,358,367
Total deposits	7,724,158	6,915,708
Federal funds purchased	370,231	288,725
Other borrowings	64,693	64,666
Accrued interest payable	11,476	10,381
Other liabilities	24,017	12,699
Total liabilities	8,194,575	7,292,179
Stockholders' equity:
Preferred stock, par value $0.001 per share; 1,000,000 authorized and undesignated at September 30, 2019 and December 31, 2018	0	0
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 53,579,113 shares issued and outstanding at September 30, 2019, and 53,375,195 shares issued and outstanding at December 31, 2018	54	53
Additional paid-in capital	219,234	218,521
Retained earnings	584,968	500,868
Accumulated other comprehensive income (loss)	5,779	(4,741)
Total stockholders' equity attributable to ServisFirst Bancshares, Inc.	810,035	714,701
Noncontrolling interest	502	502
Total stockholders' equity	810,537	715,203
Total liabilities and stockholders' equity	$ 9,005,112	$ 8,007,382
[1]	Derived from audited financial statements.

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Held to maturity debt securities, fair value	$ 250	$ 0
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, authorized (in shares)	100,000,000	100,000,000
Common stock, issued (in shares)	53,579,113	53,375,195
Common stock, outstanding (in shares)	53,579,113	53,375,195

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Interest income:
Interest and fees on loans	$ 90,767	$ 78,991	$ 264,901	$ 222,285
Taxable securities	4,367	3,276	12,306	9,148
Nontaxable securities	316	583	1,155	1,862
Federal funds sold	1,768	892	4,985	2,137
Other interest and dividends	3,912	316	9,269	1,031
Total interest income	101,130	84,058	292,616	236,463
Interest expense:
Deposits	24,787	15,210	71,172	36,545
Borrowed funds	3,338	1,985	9,576	6,097
Total interest expense	28,125	17,195	80,748	42,642
Net interest income	73,005	66,863	211,868	193,821
Provision for loan losses	6,985	6,624	16,754	14,884
Net interest income after provision for loan losses	66,020	60,239	195,114	178,937
Noninterest income:
Securities gains	34	186	28	190
Increase in cash surrender value life insurance	787	787	2,327	2,350
Other operating income	453	294	1,172	922
Total noninterest income	6,210	5,065	16,930	14,421
Noninterest expenses:
Salaries and employee benefits	15,499	13,070	44,103	39,464
Equipment and occupancy expense	2,387	2,193	6,933	6,260
Professional services	887	853	3,072	2,582
FDIC and other regulatory (credits) assessments	(296)	675	1,804	2,967
OREO expense	78	289	312	765
Other operating expenses	6,606	5,544	20,285	17,136
Total noninterest expenses	25,161	22,624	76,509	69,174
Income before income taxes	47,069	42,680	135,535	124,184
Provision for income taxes	9,506	8,120	27,329	23,481
Net income	37,563	34,560	108,206	100,703
Preferred stock dividends	0	0	31	31
Net income available to common stockholders	$ 37,563	$ 34,560	$ 108,175	$ 100,672
Basic earnings per common share (in dollars per share)	$ 0.70	$ 0.65	$ 2.02	$ 1.89
Diluted earnings per common share (in dollars per share)	$ 0.69	$ 0.64	$ 2	$ 1.86
Deposit Account [Member]
Noninterest income:
Noninterest income	$ 1,735	$ 1,595	$ 5,223	$ 4,833
Mortgage Banking [Member]
Noninterest income:
Noninterest income	1,333	789	2,995	2,096
Credit Card [Member]
Noninterest income:
Noninterest income	$ 1,868	$ 1,414	$ 5,185	$ 4,030

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net income	$ 37,563	$ 34,560	$ 108,206	$ 100,703
Other comprehensive income (loss), net of tax:
Unrealized net holding gains (losses) arising during period from securities available for sale, net of tax of $427 and $2,791 for the three and nine months ended September 30, 2019, respectively, and net of benefit of $(733) and $(2,589) for the three and nine months ended September 30, 2018, respectively	1,443	(2,757)	10,497	(9,740)
Reclassification adjustment for net gains on sale of securities available for sale, net of tax of $6 and $5 for the three and nine months ended September 30, 2019, respectively, and $39 and $40 for the three and nine months ended September 30, 2018, respectively	18	147	23	150
Other comprehensive income (loss), net of tax	1,461	(2,610)	10,520	(9,590)
Comprehensive income	$ 39,024	$ 31,950	$ 118,726	$ 91,113

Consolidated Statements of Co_2

Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Unrealized holding gain (loss) from available for sale securities, tax	$ 427	$ (733)	$ 2,791	$ (2,589)
Reclassification adjustment for net (gains) losses on sale of securities available-for-sale, tax	$ 6	$ 39	$ 5	$ 40

Consolidated Statement of Stock

Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2017	$ 0	$ 53	$ 217,693	$ 389,554	$ (198)	$ 502	$ 607,604
Common dividends declared	0	0	0	(5,851)	0	0	(5,851)
Issue shares of common stock upon exercise of stock options	0	0	1,325	0	0	0	1,325
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(1,640)	0	0	0	(1,640)
Stock-based compensation expense	0	0	684	0	0	0	684
Other comprehensive income (loss), net of tax	0	0	0	0	(9,590)	0	(9,590)
Net income	0	0	0	100,703	0	0	100,703
Common dividends paid	0	0	0	(11,694)	0	0	(11,694)
Preferred dividends paid	0	0	0	(31)	0	0	(31)
Balance at Sep. 30, 2018	0	53	218,062	472,681	(9,788)	502	681,510
Balance at Jun. 30, 2018	0	53	217,765	443,972	(7,178)	502	655,114
Common dividends declared	0	0	0	(5,851)	0	0	(5,851)
Issue shares of common stock upon exercise of stock options	0	0	465	0	0	0	465
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(370)	0	0	0	(370)
Stock-based compensation expense	0	0	202	0	0	0	202
Other comprehensive income (loss), net of tax	0	0	0	0	(2,610)	0	(2,610)
Net income	0	0	0	34,560	0	0	34,560
Balance at Sep. 30, 2018	0	53	218,062	472,681	(9,788)	502	681,510
Balance at Dec. 31, 2018	0	53	218,521	500,868	(4,741)	502	715,203	[1]
Common dividends declared	0	0	0	(8,037)	0	0	(8,037)
Issue shares of common stock upon exercise of stock options	0	1	1,674	0	0	0	1,675
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(1,742)	0	0	0	(1,742)
Stock-based compensation expense	0	0	781	0	0	0	781
Other comprehensive income (loss), net of tax	0	0	0	0	10,520	0	10,520
Net income	0	0	0	108,206	0	0	108,206
Common dividends paid	0	0	0	(16,038)	0	0	(16,038)
Preferred dividends paid	0	0	0	(31)	0	0	(31)
Balance at Sep. 30, 2019	0	54	219,234	584,968	5,779	502	810,537
Balance at Jun. 30, 2019	0	54	218,658	555,425	4,318	502	778,957
Common dividends declared	0	0	0	(8,020)	0	0	(8,020)
Issue shares of common stock upon exercise of stock options	0	0	571	0	0	0	571
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(289)	0	0	0	(289)
Stock-based compensation expense	0	0	294	0	0	0	294
Other comprehensive income (loss), net of tax	0	0	0	0	1,461	0	1,461
Net income	0	0	0	37,563	0	0	37,563
Balance at Sep. 30, 2019	$ 0	$ 54	$ 219,234	$ 584,968	$ 5,779	$ 502	$ 810,537
[1]	Derived from audited financial statements.

Consolidated Statement of Sto_2

Consolidated Statement of Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Additional Paid-in Capital [Member]
Common dividends, per share declared (in dollars per share)	$ 0.15	$ 0.11
Shares witheld in net settlement upon exercise of stock options (in shares)	9,069	9,426
Common Stock [Member]
Issuance of common stock, shares (in shares)	41,731	46,074
Common dividends, per share declared (in dollars per share)			$ 0.15	$ 0.11
Issuance of common stock, shares (in shares)			185,044	191,371
Shares witheld in net settlement upon exercise of stock options (in shares)			54,256	39,965
Common dividends, per share (in dollars per share)			$ 0.30	$ 0.22

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
OPERATING ACTIVITIES
Net income	$ 108,206,000	$ 100,703,000
Adjustments to reconcile net income to net cash provided by
Deferred tax expense	2,851,000	754,000
Provision for loan losses	16,754,000	14,884,000
Depreciation	2,774,000	2,548,000
Accretion on acquired loans	(91,000)	(147,000)
Amortization of core deposit intangible	203,000	202,000
Net amortization of debt securities available for sale	2,040,000	2,268,000
Increase in accrued interest and dividends receivable	(1,353,000)	(4,094,000)
Stock-based compensation expense	781,000	684,000
Increase in accrued interest payable	1,095,000	3,591,000
Proceeds from sale of mortgage loans held for sale	90,188,000	81,319,000
Originations of mortgage loans held for sale	(95,764,000)	(80,041,000)
Net gain on sale of debt securities available for sale	(28,000)	(15,000)
Gain on sale of equity securities	0	(175,000)
Gain on sale of mortgage loans held for sale	(2,995,000)	(2,096,000)
Net (gain) loss on sale of other real estate owned and repossessed assets	(6,000)	3,000
Write down of other real estate owned and repossessed assets	288,000	488,000
Operating (income) loss of tax credit partnerships	(16,000)	128,000
Increase in cash surrender value of life insurance contracts	(2,327,000)	(2,350,000)
Net change in other assets, liabilities, and other operating activities	(19,766,000)	(2,608,000)
Net cash provided by operating activities	102,834,000	116,046,000
INVESTMENT ACTIVITIES
Purchase of debt securities available for sale	(186,240,000)	(122,821,000)
Proceeds from maturities, calls and paydowns of debt securities available for sale	100,687,000	63,803,000
Proceeds from sale of debt securities available for sale	0	5,736,000
Purchase of debt securities held to maturity	(250,000)	0
Proceeds from sale of equity securities	0	305,000
Purchase of BOLI contracts	(20,000,000)	0
Increase in loans	(505,224,000)	(520,610,000)
Purchase of premises and equipment	(1,522,000)	(1,530,000)
Proceeds from sale of other real estate owned and repossessed assets	727,000	1,572,000
Net cash used in investing activities	(611,822,000)	(573,545,000)
FINANCING ACTIVITIES
Net increase in non-interest-bearing deposits	121,331,000	64,121,000
Net increase in interest-bearing deposits	687,119,000	349,556,000
Net increase (decrease) in federal funds purchased	81,506,000	(55,703,000)
Repayment of Federal Home Loan Bank advances	0	(200,000)
Proceeds from exercise of stock options	1,675,000	1,325,000
Taxes paid in net settlement of tax obligation upon exercise of stock options	(1,742,000)	(1,640,000)
Dividends paid on common stock	(16,038,000)	(11,694,000)
Dividends paid on preferred stock	(31,000)	(31,000)
Net cash provided by financing activities	873,820,000	345,734,000
Net increase (decrease) in cash and cash equivalents	364,832,000	(111,765,000)
Cash and cash equivalents at beginning of period	681,895,000	477,586,000
Cash and cash equivalents at end of period	1,046,727,000	365,821,000
Cash paid for:
Interest	79,653,000	39,051,000
Income taxes	34,464,000	20,235,000
Income tax refund	(86,000)	(2,000)
NONCASH TRANSACTIONS
Other real estate acquired in settlement of loans	1,177,000	1,206,000
Internally financed sale of other real estate owned	0	130,000
Dividends declared	$ 8,037,000	$ 5,851,000

Note 1 - General

Note 1 - General	9 Months Ended
	Sep. 30, 2019
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, 2018. All reported amounts are in thousands except share and per share data. Leases The Company leases certain office space and equipment under operating leases. Accounting Standards Update 2016 02, Leases (Topic 842 January 1, 2019 Certain of the leases include one one five not not None The Company has made an accounting policy election to not 2016 02 1 2 3

Note 2 - Cash and Cash Equivale

Note 2 - Cash and Cash Equivalents	9 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Cash and Cash Equivalents Disclosure [Text Block]	NOTE 2 - CASH AND CASH EQUIVALENTS Cash on hand, cash items in process of collection, amounts due from banks, and federal funds sold are included in cash and cash equivalents.

Note 3 - Earnings Per Common Sh

Note 3 - Earnings Per Common Share	9 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Earnings Per Share [Text Block]	NOTE 3 - EARNINGS PER COMMON SHARE Basic earnings per common share are computed by dividing net income available to common stockholders by the weighted average number of common shares outstanding during the period. Diluted earnings per common share include the dilutive effect of additional potential common shares issuable under stock options. Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 53,544,747 53,171,144 53,508,710 53,134,861 Net income available to common stockholders $ 37,563 $ 34,560 $ 108,175 $ 100,672 Basic earnings per common share $ 0.70 $ 0.65 $ 2.02 $ 1.89 Weighted average common shares outstanding 53,544,747 53,171,144 53,508,710 53,134,861 Dilutive effects of assumed conversions and exercise of stock options and warrants 551,621 1,020,078 578,700 1,055,383 Weighted average common and dilutive potential common shares outstanding 54,096,368 54,191,222 54,087,410 54,190,244 Net income available to common stockholders $ 37,563 $ 34,560 $ 108,175 $ 100,672 Diluted earnings per common share $ 0.69 $ 0.64 $ 2.00 $ 1.86

Note 4 - Securities

Note 4 - Securities	9 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	NOTE 4 - SECURITIES The amortized cost and fair value of available-for-sale and held-to-maturity securities at September 30, 2019 December 31, 2018 Gross Gross Amortized Unrealized Unrealized Market Cost Gain Loss Value September 30, 2019 (In Thousands) Securities Available for Sale U.S. Treasury securities $ 51,888 $ 311 $ (1 ) $ 52,198 Government Agency securities 18,234 129 (2 ) 18,361 Mortgage-backed securities 398,818 4,425 (604 ) 402,639 State and municipal securities 65,270 330 (32 ) 65,568 Corporate debt 146,551 2,834 (130 ) 149,255 Total $ 680,761 $ 8,029 $ (769 ) $ 688,021 Securities Held to Maturity State and municipal securities 250 - - 250 Total $ 250 $ - $ - $ 250 December 31, 2018 Securities Available for Sale U.S. Treasury securities $ 58,750 $ 75 $ (397 ) $ 58,428 Government Agency securities 18,784 3 (222 ) 18,565 Mortgage-backed securities 309,244 591 (5,531 ) 304,304 State and municipal securities 106,465 208 (679 ) 105,994 Corporate debt 102,982 668 (757 ) 102,893 Total $ 596,225 $ 1,545 $ (7,586 ) $ 590,184 The amortized cost and fair value of debt securities as of September 30, 2019 December 31, 2018 may may not September 30, 2019 December 31, 2018 Amortized Cost Fair Value Amortized Cost Fair Value (In thousands) Debt securities available for sale Due within one year $ 55,777 $ 55,973 $ 38,343 $ 38,225 Due from one to five years 106,374 107,205 167,873 166,380 Due from five to ten years 117,885 120,258 77,811 78,276 Due after ten years 1,907 1,946 2,954 2,999 Mortgage-backed securities 398,818 402,639 309,244 304,304 $ 680,761 $ 688,021 $ 596,225 $ 590,184 Debt securities held to maturity Due from one to five years $ 250 $ 250 $ - $ - $ 250 $ 250 $ - $ - All mortgage-backed securities are with government-sponsored enterprises (GSEs) such as Federal National Mortgage Association, Government National Mortgage Association, Federal Home Loan Bank, and Federal Home Loan Mortgage Corporation. The carrying value of debt securities pledged to secure public funds on deposit and for other purposes as required by law as of September 30, 2019 December 31, 2018 The following table identifies, as of September 30, 2019 December 31, 2018, 12 12 September 30, 2019, 12 not not not may not September 30, 2019. 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) September 30, 2019 U.S. Treasury securities $ - $ - $ (1 ) $ 2,998 $ (1 ) $ 2,998 Government Agency securities (2 ) 267 - - (2 ) 267 Mortgage-backed securities (457 ) 77,726 (147 ) 28,217 (604 ) 105,943 State and municipal securities (11 ) 6,170 (21 ) 4,035 (32 ) 10,205 Corporate debt (130 ) 17,036 - - (130 ) 17,036 Total $ (600 ) $ 101,199 $ (169 ) $ 35,250 $ (769 ) $ 136,449 December 31, 2018 U.S. Treasury securities $ (8 ) 1,001 $ (388 ) $ 32,449 $ (396 ) $ 34,206 Government Agency securities - - (223 ) 18,429 (223 ) 17,673 Mortgage-backed securities (539 ) 67,721 (4,992 ) 204,260 (5,531 ) 271,981 State and municipal securities (101 ) 20,821 (578 ) 52,190 (679 ) 73,011 Corporate debt (315 ) 36,245 (442 ) 13,474 (757 ) 49,718 Total $ (963 ) $ 125,788 $ (6,623 ) $ 320,802 $ (7,586 ) $ 446,590

Note 5 - Loans

Note 5 - Loans	9 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	NOTE 5 – LOANS The following table details the Company’s loans at September 30, 2019 December 31, 2018: September 30, December 31, 2019 2018 (Dollars In Thousands) Commercial, financial and agricultural $ 2,653,934 $ 2,513,225 Real estate - construction 550,871 533,192 Real estate - mortgage: Owner-occupied commercial 1,526,911 1,463,887 1-4 family mortgage 632,346 621,634 Other mortgage 1,592,072 1,337,068 Subtotal: Real estate - mortgage 3,751,329 3,422,589 Consumer 65,935 64,493 Total Loans 7,022,069 6,533,499 Less: Allowance for loan losses (77,192 ) (68,600 ) Net Loans $ 6,944,877 $ 6,464,899 Commercial, financial and agricultural 37.79 % 38.47 % Real estate - construction 7.85 % 8.16 % Real estate - mortgage: Owner-occupied commercial 21.74 % 22.41 % 1-4 family mortgage 9.01 % 9.51 % Other mortgage 22.67 % 20.46 % Subtotal: Real estate - mortgage 53.42 % 52.39 % Consumer 0.94 % 0.99 % Total Loans 100.00 % 100.00 % The credit quality of the loan portfolio is summarized no ● Pass – loans which are well protected by the current net worth and paying capacity of the obligor (or obligors, if any) or by the fair value, less cost to acquire and sell, of any underlying collateral. ● Special Mention – loans with potential weakness that may, not not not ● Substandard – loans that exhibit well-defined weakness or weaknesses that currently jeopardize debt repayment. These loans are characterized by the distinct possibility that the institution will sustain some loss if the weaknesses are not ● Doubtful – loans that have all the weaknesses inherent in loans classified substandard, plus the added characteristic that the weaknesses make collection or liquidation in full on the basis of currently existing facts, conditions, and values highly questionable and improbable. Loans by credit quality indicator as of September 30, 2019 December 31, 2018 Special September 30, 2019 Pass Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 2,573,465 $ 58,639 $ 21,830 $ - $ 2,653,934 Real estate - construction 540,560 6,011 4,300 - 550,871 Real estate - mortgage: Owner-occupied commercial 1,492,829 12,972 21,110 - 1,526,911 1-4 family mortgage 629,806 947 1,593 - 632,346 Other mortgage 1,571,238 19,332 1,502 - 1,592,072 Total real estate mortgage 3,693,873 33,251 24,205 - 3,751,329 Consumer 65,935 - - - 65,935 Total $ 6,873,833 $ 97,901 $ 50,335 $ - $ 7,022,069 Special December 31, 2018 Pass Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 2,447,052 $ 47,754 $ 18,419 $ - $ 2,513,225 Real estate - construction 525,021 6,749 1,422 - 533,192 Real estate - mortgage: Owner-occupied commercial 1,431,982 28,547 3,358 - 1,463,887 1-4 family mortgage 616,884 2,703 2,047 - 621,634 Other mortgage 1,309,101 16,506 11,461 - 1,337,068 Total real estate mortgage 3,357,967 47,756 16,866 - 3,422,589 Consumer 64,444 - 49 - 64,493 Total $ 6,394,484 $ 102,259 $ 36,756 $ - $ 6,533,499 Loans by performance status as of September 30, 2019 December 31, 2018 September 30, 2019 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,637,785 $ 16,149 $ 2,653,934 Real estate - construction 549,283 1,588 550,871 Real estate - mortgage: Owner-occupied commercial 1,511,666 15,245 1,526,911 1-4 family mortgage 630,755 1,591 632,346 Other mortgage 1,585,609 6,463 1,592,072 Total real estate mortgage 3,728,030 23,299 3,751,329 Consumer 65,923 12 65,935 Total $ 6,981,020 $ 41,049 $ 7,022,069 December 31, 2018 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,502,117 $ 11,108 $ 2,513,225 Real estate - construction 532,195 997 533,192 Real estate - mortgage: Owner-occupied commercial 1,460,529 3,358 1,463,887 1-4 family mortgage 619,465 2,169 621,634 Other mortgage 1,327,038 10,030 1,337,068 Total real estate mortgage 3,407,032 15,557 3,422,589 Consumer 64,385 108 64,493 Total $ 6,505,729 $ 27,770 $ 6,533,499 Loans by past due status as of September 30, 2019 December 31, 2018 September 30, 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 $ 4,519 $ 1,127 $ 119 $ 5,765 $ 16,030 $ 2,632,139 $ 2,653,934 Real estate - construction 650 - - 650 1,588 548,633 550,871 Real estate - mortgage: Owner-occupied commercial 9,005 - 118 9,123 15,127 1,502,661 1,526,911 1-4 family mortgage 2,229 600 112 2,941 1,480 627,925 632,346 Other mortgage 31 375 4,956 5,362 1,507 1,585,203 1,592,072 Total real estate - mortgage 11,265 975 5,186 17,426 18,114 3,715,789 3,751,329 Consumer 31 44 12 87 - 65,848 65,935 Total $ 16,465 $ 2,146 $ 5,317 $ 23,928 $ 35,732 $ 6,962,409 $ 7,022,069 December 31, 2018 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 $ 1,222 $ 48 $ 605 $ 1,875 $ 10,503 $ 2,500,847 $ 2,513,225 Real estate - construction - 1,352 - 1,352 997 530,843 533,192 Real estate - mortgage: Owner-occupied commercial 412 - - 412 3,358 1,460,117 1,463,887 1-4 family mortgage 534 235 123 892 2,046 618,696 621,634 Other mortgage 1,174 - 5,008 6,182 5,022 1,325,864 1,337,068 Total real estate - mortgage 2,120 235 5,131 7,486 10,426 3,404,677 3,422,589 Consumer 58 123 108 289 - 64,204 64,493 Total $ 3,400 $ 1,758 $ 5,844 $ 11,002 $ 21,926 $ 6,500,571 $ 6,533,499 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 Internal Qualitative Factors During the third 2019, 50% not September 30, 2019, 72 The following table presents an analysis of the allowance for loan losses by portfolio segment and changes in the allowance for loan losses for the three nine September 30, 2019 September 30, 2018. Commercial, financial and Real estate - Real estate - agricultural construction mortgage Consumer Total (In Thousands) Three Months Ended September 30, 2019 Allowance for loan losses: Balance at June 30, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 Charge-offs (3,626 ) - (4,974 ) (172 ) (8,772 ) Recoveries 126 1 - 60 187 Allocation from LGP 4,905 115 2,386 - 7,406 Provision 5,108 (343 ) 2,069 151 6,985 Balance at September 30, 2019 $ 45,222 $ 3,192 $ 28,264 $ 514 $ 77,192 Three Months Ended September 30, 2018 Allowance for loan losses: Balance at June 30, 2018 $ 36,178 $ 4,062 $ 23,438 $ 561 $ 64,239 Charge-offs (3,923 ) - (48 ) (76 ) (4,047 ) Recoveries 52 4 1 6 63 Provision 6,794 (132 ) (62 ) 24 6,624 Balance at September 30, 2018 $ 39,101 $ 3,934 $ 23,329 $ 515 $ 66,879 Nine Months Ended September 30, 2019 Allowance for loan losses: Balance at December 31, 2018 $ 39,016 $ 3,522 $ 25,508 $ 554 $ 68,600 Charge-offs (10,273 ) - (5,193 ) (453 ) (15,919 ) Recoveries 255 2 11 83 351 Allocation from LGP 4,905 115 2,386 - 7,406 Provision 11,319 (447 ) 5,552 330 16,754 Balance at September 30, 2019 $ 45,222 $ 3,192 $ 28,264 $ 514 $ 77,192 Nine Months Ended September 30, 2018 Allowance for loan losses: Balance at December 31, 2017 $ 32,880 $ 4,989 $ 21,022 $ 515 $ 59,406 Charge-offs (6,743 ) - (869 ) (211 ) (7,823 ) Recoveries 229 108 44 31 412 Provision 12,735 (1,163 ) 3,132 180 14,884 Balance at September 30, 2018 $ 39,101 $ 3,934 $ 23,329 $ 515 $ 66,879 As of September 30, 2019 Allowance for loan losses: Individually Evaluated for Impairment $ 7,165 $ 110 $ 2,013 $ - $ 9,288 Collectively Evaluated for Impairment 38,057 3,082 26,251 514 67,904 Loans: Ending Balance $ 2,653,934 $ 550,871 $ 3,751,329 $ 65,935 $ 7,022,069 Individually Evaluated for Impairment 21,855 4,332 25,306 - 51,493 Collectively Evaluated for Impairment 2,632,079 546,539 3,726,023 65,935 6,970,576 As of December 31, 2018 Allowance for loan losses: Individually Evaluated for Impairment $ 6,066 $ 126 $ 1,887 $ 49 $ 8,128 Collectively Evaluated for Impairment 32,950 3,396 23,621 505 60,472 Loans: Ending Balance $ 2,513,225 $ 533,192 $ 3,422,589 $ 64,493 $ 6,533,499 Individually Evaluated for Impairment 18,444 1,461 18,637 49 38,591 Collectively Evaluated for Impairment 2,494,781 531,731 3,403,952 64,444 6,494,908 The following table presents details of the Company’s impaired loans as of September 30, 2019 December 31, 2018, not For the three months For the nine months ended September 30, ended September 30, September 30, 2019 2019 2019 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 $ 2,705 $ 4,308 $ - $ 3,186 $ 50 $ 3,799 $ 129 Real estate - construction 2,744 2,747 - 2,423 39 1,834 80 Real estate - mortgage: Owner-occupied commercial 7,341 7,436 - 7,414 120 7,625 506 1-4 family mortgage 298 298 - 315 - 321 2 Other mortgage - - - - - - - Total real estate - mortgage 7,639 7,734 - 7,729 120 7,946 508 Consumer - - - - - - - Total with no allowance recorded 13,088 14,789 - 13,338 209 13,579 717 With an allowance recorded: Commercial, financial and agricultural 19,150 26,551 7,165 21,260 15 22,568 467 Real estate - construction 1,588 1,588 110 1,588 (14 ) 1,623 27 Real estate - mortgage: Owner-occupied commercial 14,867 18,173 1,159 19,664 61 19,850 548 1-4 family mortgage 1,293 1,293 204 1,293 1 1,296 3 Other mortgage 1,507 1,507 650 1,507 (23 ) 1,456 21 Total real estate - mortgage 17,667 20,973 2,013 22,464 39 22,602 572 Consumer - - - - - - - Total with allowance recorded 38,405 49,112 9,288 45,312 40 46,793 1,066 Total Impaired Loans: Commercial, financial and agricultural 21,855 30,859 7,165 24,446 65 26,367 596 Real estate - construction 4,332 4,335 110 4,011 25 3,457 107 Real estate - mortgage: Owner-occupied commercial 22,208 25,609 1,159 27,078 181 27,475 1,054 1-4 family mortgage 1,591 1,591 204 1,608 1 1,617 5 Other mortgage 1,507 1,507 650 1,507 (23 ) 1,456 21 Total real estate - mortgage 25,306 28,707 2,013 30,193 159 30,548 1,080 Consumer - - - - - - - Total impaired loans $ 51,493 $ 63,901 $ 9,288 $ 58,650 $ 249 $ 60,372 $ 1,783 December 31, 2018 For the twelve months ended December 31, 2018 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 $ 6,064 $ 6,064 $ - $ 6,142 $ 237 Real estate - construction 464 467 - 524 28 Real estate - mortgage: Owner-occupied commercial 1,763 1,947 - 2,223 120 1-4 family mortgage 1,071 1,071 - 1,088 21 Other mortgage 5,061 5,061 - 5,133 252 Total real estate - mortgage 7,895 8,079 - 8,444 393 Consumer - - - - - Total with no allowance recorded 14,423 14,610 - 15,110 658 With an allowance recorded: Commercial, financial and agricultural 12,380 20,141 6,066 15,918 462 Real estate - construction 997 997 126 997 31 Real estate - mortgage: Owner-occupied commercial 3,358 3,358 99 3,364 105 1-4 family mortgage 975 975 208 975 30 Other mortgage 6,409 6,409 1,580 6,598 217 Total real estate - mortgage 10,742 10,742 1,887 10,937 352 Consumer 49 49 49 49 3 Total with allowance recorded 24,168 31,929 8,128 27,901 848 Total Impaired Loans: Commercial, financial and agricultural 18,444 26,205 6,066 22,060 699 Real estate - construction 1,461 1,464 126 1,521 59 Real estate - mortgage: Owner-occupied commercial 5,121 5,305 99 5,587 225 1-4 family mortgage 2,046 2,046 208 2,063 51 Other mortgage 11,470 11,470 1,580 11,731 469 Total real estate - mortgage 18,637 18,821 1,887 19,381 745 Consumer 49 49 49 49 3 Total impaired loans $ 38,591 $ 46,539 $ 8,128 $ 43,011 $ 1,506 Troubled Debt Restructurings (“TDR”) at September 30, 2019, December 31, 2018 September 30, 2018 September 30, 2019, December 31, 2018 September 30, 2018. three nine September 30, 2019 2018 Three Months Ended September 30, 2019 Nine Months Ended September 30, 2019 Pre- Post- Pre- Post- Modification Modification Modification Modification Outstanding Outstanding Outstanding Outstanding Number of Recorded Recorded Number of Recorded Recorded Contracts Investment Investment Contracts Investment Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural - $ - $ - 1 $ 2,742 $ 2,742 Real estate - construction - - - - - - Real estate - mortgage: Owner-occupied commercial - - - - - - 1-4 family mortgage - - - - - - Other mortgage - - - - - - Total real estate mortgage - - - - - - Consumer - - - - - - - $ - $ - 1 $ 2,742 $ 2,742 Three Months Ended September 30, 2018 Nine Months Ended September 30, 2018 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 6 $ 7,242 $ 7,242 6 $ 7,242 $ 7,242 Real estate - construction 1 997 997 1 997 997 Real estate - mortgage: Owner-occupied commercial 2 3,664 3,664 2 3,664 3,664 1-4 family mortgage 1 850 850 1 850 850 Other mortgage - - - - - - Total real estate mortgage 3 4,514 4,514 3 4,514 4,514 Consumer - - - - - - 10 $ 12,753 $ 12,753 10 $ 12,753 $ 12,753 The following table presents TDRs by portfolio segment which defaulted during the three nine September 30, 2019 2018, twelve twelve 90 September 30, 2019, Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 (In thousands) Defaulted during the period, where modified in a TDR twelve months prior to default Commercial, financial and agricultural $ - $ - $ 325 $ 268 Real estate - construction - - - - Real estate - mortgage: Owner-occupied commercial - - - - 1-4 family mortgage - - - - Other mortgage - - - - Total real estate mortgage - - - - Consumer - - - - $ - $ - $ 325 $ 268

Note 6 - Leases

Note 6 - Leases	9 Months Ended
	Sep. 30, 2019
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 9.7 years. At September 30, 2019, Maturities of operating lease liabilities as of September 30, 2019 September 30, 2019 (In Thousands) 2019 (remaining) $ 819 2020 3,297 2021 2,680 2022 2,655 2023 2,181 thereafter 3,749 Total lease payments 15,381 Less: imputed interest (2,977 ) Present value of operating lease liabilities $ 12,404 As of September 30, 2019, Operating cash flows related to leases were $888,000 and $2,451,000 for the three nine September 30, 2019, Lease costs during the three nine September 30, 2019 Three Months Ended September 30, 2019 Operating lease cost $ 809 Short-term lease cost 8 Variable lease cost 49 Sublease income (23 ) Net lease cost $ 843 Nine Months Ended September 30, 2019 Operating lease cost $ 2,500 Short-term lease cost 21 Variable lease cost 151 Sublease income (35 ) Net lease cost $ 2,637

Note 7 - Employee and Director

Note 7 - Employee and Director Benefits	9 Months Ended
	Sep. 30, 2019
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 approximately $294,000 and $781,000 for the three nine September 30, 2019 three nine September 30, 2018. 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 2018 Expected volatility 40.00 % 24.72 % Expected dividends 1.74 % 1.06 % Expected term (in years) 6.7 6.3 Risk-free rate 2.56 % 2.67 % The weighted average grant-date fair value of options granted during the nine September 30, 2019 September 30, 2018 The following table summarizes stock option activity during the nine September 30, 2019 September 30, 2018: Weighted Weighted Average Average Remaining Aggregate Exercise Contractual Intrinsic Shares Price Term (years) Value (In Thousands) Nine Months Ended September 30, 2019: Outstanding at January 1, 2019 1,238,748 $ 13.02 5.2 $ 23,355 Granted 10,500 34.44 9.4 (14 ) Exercised (239,300 ) 7.02 2.3 6,162 Forfeited (20,200 ) 24.88 6.5 167 Outstanding at September 30, 2019 989,748 14.46 5.0 $ 18,603 Exercisable at September 30, 2019 278,000 $ 7.36 3.1 $ 7,261 Nine Months Ended September 30, 2018: Outstanding at January 1, 2018 1,666,834 $ 10.68 5.5 $ 51,377 Granted 12,750 41.58 9.5 (31 ) Exercised (231,336 ) 4.94 3.1 7,665 Forfeited (33,000 ) 15.00 6.4 758 Outstanding at September 30, 2018 1,415,248 11.79 5.1 $ 38,998 Exercisable at September 30, 2018 693,100 $ 6.78 3.5 $ 22,513 As of September 30, 2019, Restricted Stock The Company periodically grants restricted stock awards that vest upon service conditions. Dividend payments are made during the vesting period. The value of restricted stock is determined to be the current value of the Company’s stock, and this total value will be recognized as compensation expense over the vesting period. As of September 30, 2019, The following table summarizes restricted stock activity during the nine September 30, 2019 2018, Shares Weighted Average Grant Date Fair Value Nine Months Ended September 30, 2019: Non-vested at January 1, 2019 44,076 $ 38.44 Granted 33,774 33.60 Vested (5,200 ) 20.31 Forfeited (2,500 ) 38.17 Non-vested at September 30, 2019 70,150 37.46 Nine Months Ended September 30, 2018: Non-vested at January 1, 2018 120,676 $ 10.29 Granted 12,850 41.48 Vested (73,700 ) 5.88 Forfeited (750 ) 41.21 Non-vested at September 30, 2018 59,076 22.18

Note 8 - Derivatives

Note 8 - Derivatives	9 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	NOTE 8 - DERIVATIVES The Company has entered into agreements with secondary market investors to deliver loans on a “best efforts delivery” basis. When a rate is committed to a borrower, it is based on the best price that day and locked with the investor for the customer for a 30 not no September 30, 2019 December 31, 2018 not

Note 9 - Recently Adopted Accou

Note 9 - Recently Adopted Accounting Pronouncements	9 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]	NOTE 9 – RECENTLY ADOPTED ACCOUNTING PRONOUNCEMENTS In February 2016, 2016 02, Leases (Topic 842 January 1, 2019. three 1 2 3 January 1, 2019, $15.6 not no 6 In June 2018, 2018 07, Compensation – Stock Compensation (Topic 718 718, 505 50, January 1, 2019. not not In March 2017, 2017 08, Receivables – Nonrefundable Fees and Other Costs (Subtopic 310 20 not January 1, 2019. not first

Note 10 - Recent Accounting Pro

Note 10 - Recent Accounting Pronouncements	9 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Accounting Changes and Error Corrections [Text Block]	NOTE 10 In June 2016, 2016 13, Financial Instruments-Credit Losses (Topic 326 December 15, 2019. third fourth 2019. third fourth 2019. 2016 13 In July 2018, 2018 13, Fair Value Measurement (Topic 820 no 1 2 3 No. 2018 13 December 15, 2019; No. 2018 13 not

Note 11 - Fair Value Measuremen

Note 11 - Fair Value Measurement	9 Months Ended
	Sep. 30, 2019
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 1 2 not 3 Impaired Loans not not 820 10 3 three nine September 30, 2019, three nine September 30, 2018, Other Real Estate Owned and repossessed assets not 3 three nine September 30, 2019, three nine September 30, 2018, 3 There was one third 2019 September 30, 2019. The following table presents the Company’s financial assets and financial liabilities carried at fair value on a recurring basis as of September 30, 2019 December 31, 2018: Fair Value Measurements at September 30, 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 $ - $ 52,198 $ - $ 52,198 Government Agency securities - 18,361 - 18,361 Mortgage-backed securities - 402,639 - 402,639 State and municipal securities - 65,568 - 65,568 Corporate debt - 142,645 6,610 149,255 Total assets at fair value $ - $ 681,411 $ 6,610 $ 688,021 Fair Value Measurements at December 31, 2018 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 $ - $ 58,428 $ - $ 58,428 Government Agency securities - 18,565 - 18,565 Mortgage-backed securities - 304,304 - 304,304 State and municipal securities - 105,994 - 105,994 Corporate debt - 96,375 6,518 102,893 Total assets at fair value $ - $ 583,666 $ 6,518 $ 590,184 The following table presents the Company’s financial assets and financial liabilities carried at fair value on a nonrecurring basis as of September 30, 2019 December 31, 2018: Fair Value Measurements at September 30, 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 $ - $ - $ 42,205 $ 42,205 Other real estate owned and repossessed assets - - 5,337 5,337 Total assets at fair value $ - $ - $ 47,542 $ 47,542 Fair Value Measurements at December 31, 2018 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 $ - $ - $ 30,463 $ 30,463 Other real estate owned and repossessed assets - - 5,169 5,169 Total assets at fair value $ - $ - $ 35,632 $ 35,632 The fair value of a financial instrument is the current amount that would be exchanged in a sale between willing parties, other than in a forced liquidation. Fair value is best determined based upon quoted market prices. However, in many instances, there are no not may not may not The estimated fair values of the Company’s financial instruments not September 30, 2019 December 31, 2018 September 30, 2019 December 31, 2018 Carrying Carrying Amount Fair Value Amount Fair Value (In Thousands) Financial Assets: Level 1 inputs: Cash and due from banks $ 572,429 $ 572,429 $ 458,050 $ 458,050 Level 2 inputs: Federal funds sold 474,298 474,298 223,845 223,845 Mortgage loans held for sale 8,691 8,656 120 121 Level 3 inputs: Held to maturity debt securities 250 250 - - Loans, net 6,902,672 6,816,956 6,464,899 6,398,604 Financial liabilities: Level 2 inputs: Deposits $ 7,724,158 $ 7,728,323 $ 6,915,708 $ 6,910,176 Federal funds purchased 370,231 370,231 288,725 288,725 Other borrowings 64,693 64,629 64,666 64,613

Note 3 - Earnings Per Common _2

Note 3 - Earnings Per Common Share (Tables)	9 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 53,544,747 53,171,144 53,508,710 53,134,861 Net income available to common stockholders $ 37,563 $ 34,560 $ 108,175 $ 100,672 Basic earnings per common share $ 0.70 $ 0.65 $ 2.02 $ 1.89 Weighted average common shares outstanding 53,544,747 53,171,144 53,508,710 53,134,861 Dilutive effects of assumed conversions and exercise of stock options and warrants 551,621 1,020,078 578,700 1,055,383 Weighted average common and dilutive potential common shares outstanding 54,096,368 54,191,222 54,087,410 54,190,244 Net income available to common stockholders $ 37,563 $ 34,560 $ 108,175 $ 100,672 Diluted earnings per common share $ 0.69 $ 0.64 $ 2.00 $ 1.86

Note 4 - Securities (Tables)

Note 4 - Securities (Tables)	9 Months Ended
	Sep. 30, 2019
Notes Tables
Unrealized Gain (Loss) on Investments [Table Text Block]	Gross Gross Amortized Unrealized Unrealized Market Cost Gain Loss Value September 30, 2019 (In Thousands) Securities Available for Sale U.S. Treasury securities $ 51,888 $ 311 $ (1 ) $ 52,198 Government Agency securities 18,234 129 (2 ) 18,361 Mortgage-backed securities 398,818 4,425 (604 ) 402,639 State and municipal securities 65,270 330 (32 ) 65,568 Corporate debt 146,551 2,834 (130 ) 149,255 Total $ 680,761 $ 8,029 $ (769 ) $ 688,021 Securities Held to Maturity State and municipal securities 250 - - 250 Total $ 250 $ - $ - $ 250 December 31, 2018 Securities Available for Sale U.S. Treasury securities $ 58,750 $ 75 $ (397 ) $ 58,428 Government Agency securities 18,784 3 (222 ) 18,565 Mortgage-backed securities 309,244 591 (5,531 ) 304,304 State and municipal securities 106,465 208 (679 ) 105,994 Corporate debt 102,982 668 (757 ) 102,893 Total $ 596,225 $ 1,545 $ (7,586 ) $ 590,184
Fair Value, Assets Measured on Recurring Basis [Table Text Block]	September 30, 2019 December 31, 2018 Amortized Cost Fair Value Amortized Cost Fair Value (In thousands) Debt securities available for sale Due within one year $ 55,777 $ 55,973 $ 38,343 $ 38,225 Due from one to five years 106,374 107,205 167,873 166,380 Due from five to ten years 117,885 120,258 77,811 78,276 Due after ten years 1,907 1,946 2,954 2,999 Mortgage-backed securities 398,818 402,639 309,244 304,304 $ 680,761 $ 688,021 $ 596,225 $ 590,184 Debt securities held to maturity Due from one to five years $ 250 $ 250 $ - $ - $ 250 $ 250 $ - $ -
Gain (Loss) on Securities [Table Text Block]	Less Than Twelve Months Twelve Months or More Total Gross Gross Gross Unrealized Unrealized Unrealized Losses Fair Value Losses Fair Value Losses Fair Value (In Thousands) September 30, 2019 U.S. Treasury securities $ - $ - $ (1 ) $ 2,998 $ (1 ) $ 2,998 Government Agency securities (2 ) 267 - - (2 ) 267 Mortgage-backed securities (457 ) 77,726 (147 ) 28,217 (604 ) 105,943 State and municipal securities (11 ) 6,170 (21 ) 4,035 (32 ) 10,205 Corporate debt (130 ) 17,036 - - (130 ) 17,036 Total $ (600 ) $ 101,199 $ (169 ) $ 35,250 $ (769 ) $ 136,449 December 31, 2018 U.S. Treasury securities $ (8 ) 1,001 $ (388 ) $ 32,449 $ (396 ) $ 34,206 Government Agency securities - - (223 ) 18,429 (223 ) 17,673 Mortgage-backed securities (539 ) 67,721 (4,992 ) 204,260 (5,531 ) 271,981 State and municipal securities (101 ) 20,821 (578 ) 52,190 (679 ) 73,011 Corporate debt (315 ) 36,245 (442 ) 13,474 (757 ) 49,718 Total $ (963 ) $ 125,788 $ (6,623 ) $ 320,802 $ (7,586 ) $ 446,590

Note 5 - Loans (Tables)

Note 5 - Loans (Tables)	9 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	September 30, December 31, 2019 2018 (Dollars In Thousands) Commercial, financial and agricultural $ 2,653,934 $ 2,513,225 Real estate - construction 550,871 533,192 Real estate - mortgage: Owner-occupied commercial 1,526,911 1,463,887 1-4 family mortgage 632,346 621,634 Other mortgage 1,592,072 1,337,068 Subtotal: Real estate - mortgage 3,751,329 3,422,589 Consumer 65,935 64,493 Total Loans 7,022,069 6,533,499 Less: Allowance for loan losses (77,192 ) (68,600 ) Net Loans $ 6,944,877 $ 6,464,899 Commercial, financial and agricultural 37.79 % 38.47 % Real estate - construction 7.85 % 8.16 % Real estate - mortgage: Owner-occupied commercial 21.74 % 22.41 % 1-4 family mortgage 9.01 % 9.51 % Other mortgage 22.67 % 20.46 % Subtotal: Real estate - mortgage 53.42 % 52.39 % Consumer 0.94 % 0.99 % Total Loans 100.00 % 100.00 %
Financing Receivable Credit Quality Indicators [Table Text Block]	Special September 30, 2019 Pass Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 2,573,465 $ 58,639 $ 21,830 $ - $ 2,653,934 Real estate - construction 540,560 6,011 4,300 - 550,871 Real estate - mortgage: Owner-occupied commercial 1,492,829 12,972 21,110 - 1,526,911 1-4 family mortgage 629,806 947 1,593 - 632,346 Other mortgage 1,571,238 19,332 1,502 - 1,592,072 Total real estate mortgage 3,693,873 33,251 24,205 - 3,751,329 Consumer 65,935 - - - 65,935 Total $ 6,873,833 $ 97,901 $ 50,335 $ - $ 7,022,069 Special December 31, 2018 Pass Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 2,447,052 $ 47,754 $ 18,419 $ - $ 2,513,225 Real estate - construction 525,021 6,749 1,422 - 533,192 Real estate - mortgage: Owner-occupied commercial 1,431,982 28,547 3,358 - 1,463,887 1-4 family mortgage 616,884 2,703 2,047 - 621,634 Other mortgage 1,309,101 16,506 11,461 - 1,337,068 Total real estate mortgage 3,357,967 47,756 16,866 - 3,422,589 Consumer 64,444 - 49 - 64,493 Total $ 6,394,484 $ 102,259 $ 36,756 $ - $ 6,533,499
Financing Receivable, Credit Substitute, Credit Quality Indicator [Table Text Block]	September 30, 2019 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,637,785 $ 16,149 $ 2,653,934 Real estate - construction 549,283 1,588 550,871 Real estate - mortgage: Owner-occupied commercial 1,511,666 15,245 1,526,911 1-4 family mortgage 630,755 1,591 632,346 Other mortgage 1,585,609 6,463 1,592,072 Total real estate mortgage 3,728,030 23,299 3,751,329 Consumer 65,923 12 65,935 Total $ 6,981,020 $ 41,049 $ 7,022,069 December 31, 2018 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,502,117 $ 11,108 $ 2,513,225 Real estate - construction 532,195 997 533,192 Real estate - mortgage: Owner-occupied commercial 1,460,529 3,358 1,463,887 1-4 family mortgage 619,465 2,169 621,634 Other mortgage 1,327,038 10,030 1,337,068 Total real estate mortgage 3,407,032 15,557 3,422,589 Consumer 64,385 108 64,493 Total $ 6,505,729 $ 27,770 $ 6,533,499
Financing Receivable, Past Due [Table Text Block]	September 30, 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 $ 4,519 $ 1,127 $ 119 $ 5,765 $ 16,030 $ 2,632,139 $ 2,653,934 Real estate - construction 650 - - 650 1,588 548,633 550,871 Real estate - mortgage: Owner-occupied commercial 9,005 - 118 9,123 15,127 1,502,661 1,526,911 1-4 family mortgage 2,229 600 112 2,941 1,480 627,925 632,346 Other mortgage 31 375 4,956 5,362 1,507 1,585,203 1,592,072 Total real estate - mortgage 11,265 975 5,186 17,426 18,114 3,715,789 3,751,329 Consumer 31 44 12 87 - 65,848 65,935 Total $ 16,465 $ 2,146 $ 5,317 $ 23,928 $ 35,732 $ 6,962,409 $ 7,022,069 December 31, 2018 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 $ 1,222 $ 48 $ 605 $ 1,875 $ 10,503 $ 2,500,847 $ 2,513,225 Real estate - construction - 1,352 - 1,352 997 530,843 533,192 Real estate - mortgage: Owner-occupied commercial 412 - - 412 3,358 1,460,117 1,463,887 1-4 family mortgage 534 235 123 892 2,046 618,696 621,634 Other mortgage 1,174 - 5,008 6,182 5,022 1,325,864 1,337,068 Total real estate - mortgage 2,120 235 5,131 7,486 10,426 3,404,677 3,422,589 Consumer 58 123 108 289 - 64,204 64,493 Total $ 3,400 $ 1,758 $ 5,844 $ 11,002 $ 21,926 $ 6,500,571 $ 6,533,499
Financing Receivable, Allowance for Credit Loss [Table Text Block]	Commercial, financial and Real estate - Real estate - agricultural construction mortgage Consumer Total (In Thousands) Three Months Ended September 30, 2019 Allowance for loan losses: Balance at June 30, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 Charge-offs (3,626 ) - (4,974 ) (172 ) (8,772 ) Recoveries 126 1 - 60 187 Allocation from LGP 4,905 115 2,386 - 7,406 Provision 5,108 (343 ) 2,069 151 6,985 Balance at September 30, 2019 $ 45,222 $ 3,192 $ 28,264 $ 514 $ 77,192 Three Months Ended September 30, 2018 Allowance for loan losses: Balance at June 30, 2018 $ 36,178 $ 4,062 $ 23,438 $ 561 $ 64,239 Charge-offs (3,923 ) - (48 ) (76 ) (4,047 ) Recoveries 52 4 1 6 63 Provision 6,794 (132 ) (62 ) 24 6,624 Balance at September 30, 2018 $ 39,101 $ 3,934 $ 23,329 $ 515 $ 66,879 Nine Months Ended September 30, 2019 Allowance for loan losses: Balance at December 31, 2018 $ 39,016 $ 3,522 $ 25,508 $ 554 $ 68,600 Charge-offs (10,273 ) - (5,193 ) (453 ) (15,919 ) Recoveries 255 2 11 83 351 Allocation from LGP 4,905 115 2,386 - 7,406 Provision 11,319 (447 ) 5,552 330 16,754 Balance at September 30, 2019 $ 45,222 $ 3,192 $ 28,264 $ 514 $ 77,192 Nine Months Ended September 30, 2018 Allowance for loan losses: Balance at December 31, 2017 $ 32,880 $ 4,989 $ 21,022 $ 515 $ 59,406 Charge-offs (6,743 ) - (869 ) (211 ) (7,823 ) Recoveries 229 108 44 31 412 Provision 12,735 (1,163 ) 3,132 180 14,884 Balance at September 30, 2018 $ 39,101 $ 3,934 $ 23,329 $ 515 $ 66,879 As of September 30, 2019 Allowance for loan losses: Individually Evaluated for Impairment $ 7,165 $ 110 $ 2,013 $ - $ 9,288 Collectively Evaluated for Impairment 38,057 3,082 26,251 514 67,904 Loans: Ending Balance $ 2,653,934 $ 550,871 $ 3,751,329 $ 65,935 $ 7,022,069 Individually Evaluated for Impairment 21,855 4,332 25,306 - 51,493 Collectively Evaluated for Impairment 2,632,079 546,539 3,726,023 65,935 6,970,576 As of December 31, 2018 Allowance for loan losses: Individually Evaluated for Impairment $ 6,066 $ 126 $ 1,887 $ 49 $ 8,128 Collectively Evaluated for Impairment 32,950 3,396 23,621 505 60,472 Loans: Ending Balance $ 2,513,225 $ 533,192 $ 3,422,589 $ 64,493 $ 6,533,499 Individually Evaluated for Impairment 18,444 1,461 18,637 49 38,591 Collectively Evaluated for Impairment 2,494,781 531,731 3,403,952 64,444 6,494,908
Impaired Financing Receivables [Table Text Block]	For the three months For the nine months ended September 30, ended September 30, September 30, 2019 2019 2019 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 $ 2,705 $ 4,308 $ - $ 3,186 $ 50 $ 3,799 $ 129 Real estate - construction 2,744 2,747 - 2,423 39 1,834 80 Real estate - mortgage: Owner-occupied commercial 7,341 7,436 - 7,414 120 7,625 506 1-4 family mortgage 298 298 - 315 - 321 2 Other mortgage - - - - - - - Total real estate - mortgage 7,639 7,734 - 7,729 120 7,946 508 Consumer - - - - - - - Total with no allowance recorded 13,088 14,789 - 13,338 209 13,579 717 With an allowance recorded: Commercial, financial and agricultural 19,150 26,551 7,165 21,260 15 22,568 467 Real estate - construction 1,588 1,588 110 1,588 (14 ) 1,623 27 Real estate - mortgage: Owner-occupied commercial 14,867 18,173 1,159 19,664 61 19,850 548 1-4 family mortgage 1,293 1,293 204 1,293 1 1,296 3 Other mortgage 1,507 1,507 650 1,507 (23 ) 1,456 21 Total real estate - mortgage 17,667 20,973 2,013 22,464 39 22,602 572 Consumer - - - - - - - Total with allowance recorded 38,405 49,112 9,288 45,312 40 46,793 1,066 Total Impaired Loans: Commercial, financial and agricultural 21,855 30,859 7,165 24,446 65 26,367 596 Real estate - construction 4,332 4,335 110 4,011 25 3,457 107 Real estate - mortgage: Owner-occupied commercial 22,208 25,609 1,159 27,078 181 27,475 1,054 1-4 family mortgage 1,591 1,591 204 1,608 1 1,617 5 Other mortgage 1,507 1,507 650 1,507 (23 ) 1,456 21 Total real estate - mortgage 25,306 28,707 2,013 30,193 159 30,548 1,080 Consumer - - - - - - - Total impaired loans $ 51,493 $ 63,901 $ 9,288 $ 58,650 $ 249 $ 60,372 $ 1,783 December 31, 2018 For the twelve months ended December 31, 2018 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 $ 6,064 $ 6,064 $ - $ 6,142 $ 237 Real estate - construction 464 467 - 524 28 Real estate - mortgage: Owner-occupied commercial 1,763 1,947 - 2,223 120 1-4 family mortgage 1,071 1,071 - 1,088 21 Other mortgage 5,061 5,061 - 5,133 252 Total real estate - mortgage 7,895 8,079 - 8,444 393 Consumer - - - - - Total with no allowance recorded 14,423 14,610 - 15,110 658 With an allowance recorded: Commercial, financial and agricultural 12,380 20,141 6,066 15,918 462 Real estate - construction 997 997 126 997 31 Real estate - mortgage: Owner-occupied commercial 3,358 3,358 99 3,364 105 1-4 family mortgage 975 975 208 975 30 Other mortgage 6,409 6,409 1,580 6,598 217 Total real estate - mortgage 10,742 10,742 1,887 10,937 352 Consumer 49 49 49 49 3 Total with allowance recorded 24,168 31,929 8,128 27,901 848 Total Impaired Loans: Commercial, financial and agricultural 18,444 26,205 6,066 22,060 699 Real estate - construction 1,461 1,464 126 1,521 59 Real estate - mortgage: Owner-occupied commercial 5,121 5,305 99 5,587 225 1-4 family mortgage 2,046 2,046 208 2,063 51 Other mortgage 11,470 11,470 1,580 11,731 469 Total real estate - mortgage 18,637 18,821 1,887 19,381 745 Consumer 49 49 49 49 3 Total impaired loans $ 38,591 $ 46,539 $ 8,128 $ 43,011 $ 1,506
Financing Receivable, Troubled Debt Restructuring [Table Text Block]	Three Months Ended September 30, 2019 Nine Months Ended September 30, 2019 Pre- Post- Pre- Post- Modification Modification Modification Modification Outstanding Outstanding Outstanding Outstanding Number of Recorded Recorded Number of Recorded Recorded Contracts Investment Investment Contracts Investment Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural - $ - $ - 1 $ 2,742 $ 2,742 Real estate - construction - - - - - - Real estate - mortgage: Owner-occupied commercial - - - - - - 1-4 family mortgage - - - - - - Other mortgage - - - - - - Total real estate mortgage - - - - - - Consumer - - - - - - - $ - $ - 1 $ 2,742 $ 2,742 Three Months Ended September 30, 2018 Nine Months Ended September 30, 2018 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 6 $ 7,242 $ 7,242 6 $ 7,242 $ 7,242 Real estate - construction 1 997 997 1 997 997 Real estate - mortgage: Owner-occupied commercial 2 3,664 3,664 2 3,664 3,664 1-4 family mortgage 1 850 850 1 850 850 Other mortgage - - - - - - Total real estate mortgage 3 4,514 4,514 3 4,514 4,514 Consumer - - - - - - 10 $ 12,753 $ 12,753 10 $ 12,753 $ 12,753 Three Months Ended September 30, Nine Months Ended September 30, 2019 2018 2019 2018 (In thousands) Defaulted during the period, where modified in a TDR twelve months prior to default Commercial, financial and agricultural $ - $ - $ 325 $ 268 Real estate - construction - - - - Real estate - mortgage: Owner-occupied commercial - - - - 1-4 family mortgage - - - - Other mortgage - - - - Total real estate mortgage - - - - Consumer - - - - $ - $ - $ 325 $ 268

Note 6 - Leases (Tables)

Note 6 - Leases (Tables)	9 Months Ended
	Sep. 30, 2019
Notes Tables
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	September 30, 2019 (In Thousands) 2019 (remaining) $ 819 2020 3,297 2021 2,680 2022 2,655 2023 2,181 thereafter 3,749 Total lease payments 15,381 Less: imputed interest (2,977 ) Present value of operating lease liabilities $ 12,404
Lease, Cost [Table Text Block]	Three Months Ended September 30, 2019 Operating lease cost $ 809 Short-term lease cost 8 Variable lease cost 49 Sublease income (23 ) Net lease cost $ 843 Nine Months Ended September 30, 2019 Operating lease cost $ 2,500 Short-term lease cost 21 Variable lease cost 151 Sublease income (35 ) Net lease cost $ 2,637

Note 7 - Employee and Directo_2

Note 7 - Employee and Director Benefits (Tables)	9 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	2019 2018 Expected volatility 40.00 % 24.72 % Expected dividends 1.74 % 1.06 % Expected term (in years) 6.7 6.3 Risk-free rate 2.56 % 2.67 %
Share-based Payment Arrangement, Option, Activity [Table Text Block]	Weighted Weighted Average Average Remaining Aggregate Exercise Contractual Intrinsic Shares Price Term (years) Value (In Thousands) Nine Months Ended September 30, 2019: Outstanding at January 1, 2019 1,238,748 $ 13.02 5.2 $ 23,355 Granted 10,500 34.44 9.4 (14 ) Exercised (239,300 ) 7.02 2.3 6,162 Forfeited (20,200 ) 24.88 6.5 167 Outstanding at September 30, 2019 989,748 14.46 5.0 $ 18,603 Exercisable at September 30, 2019 278,000 $ 7.36 3.1 $ 7,261 Nine Months Ended September 30, 2018: Outstanding at January 1, 2018 1,666,834 $ 10.68 5.5 $ 51,377 Granted 12,750 41.58 9.5 (31 ) Exercised (231,336 ) 4.94 3.1 7,665 Forfeited (33,000 ) 15.00 6.4 758 Outstanding at September 30, 2018 1,415,248 11.79 5.1 $ 38,998 Exercisable at September 30, 2018 693,100 $ 6.78 3.5 $ 22,513
Nonvested Restricted Stock Shares Activity [Table Text Block]	Shares Weighted Average Grant Date Fair Value Nine Months Ended September 30, 2019: Non-vested at January 1, 2019 44,076 $ 38.44 Granted 33,774 33.60 Vested (5,200 ) 20.31 Forfeited (2,500 ) 38.17 Non-vested at September 30, 2019 70,150 37.46 Nine Months Ended September 30, 2018: Non-vested at January 1, 2018 120,676 $ 10.29 Granted 12,850 41.48 Vested (73,700 ) 5.88 Forfeited (750 ) 41.21 Non-vested at September 30, 2018 59,076 22.18

Note 11 - Fair Value Measurem_2

Note 11 - Fair Value Measurement (Tables)	9 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Fair Value Measurements at September 30, 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 $ - $ 52,198 $ - $ 52,198 Government Agency securities - 18,361 - 18,361 Mortgage-backed securities - 402,639 - 402,639 State and municipal securities - 65,568 - 65,568 Corporate debt - 142,645 6,610 149,255 Total assets at fair value $ - $ 681,411 $ 6,610 $ 688,021 Fair Value Measurements at December 31, 2018 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 $ - $ 58,428 $ - $ 58,428 Government Agency securities - 18,565 - 18,565 Mortgage-backed securities - 304,304 - 304,304 State and municipal securities - 105,994 - 105,994 Corporate debt - 96,375 6,518 102,893 Total assets at fair value $ - $ 583,666 $ 6,518 $ 590,184
Fair Value Measurements, Nonrecurring [Table Text Block]	Fair Value Measurements at September 30, 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 $ - $ - $ 42,205 $ 42,205 Other real estate owned and repossessed assets - - 5,337 5,337 Total assets at fair value $ - $ - $ 47,542 $ 47,542 Fair Value Measurements at December 31, 2018 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 $ - $ - $ 30,463 $ 30,463 Other real estate owned and repossessed assets - - 5,169 5,169 Total assets at fair value $ - $ - $ 35,632 $ 35,632
Fair Value, by Balance Sheet Grouping [Table Text Block]	September 30, 2019 December 31, 2018 Carrying Carrying Amount Fair Value Amount Fair Value (In Thousands) Financial Assets: Level 1 inputs: Cash and due from banks $ 572,429 $ 572,429 $ 458,050 $ 458,050 Level 2 inputs: Federal funds sold 474,298 474,298 223,845 223,845 Mortgage loans held for sale 8,691 8,656 120 121 Level 3 inputs: Held to maturity debt securities 250 250 - - Loans, net 6,902,672 6,816,956 6,464,899 6,398,604 Financial liabilities: Level 2 inputs: Deposits $ 7,724,158 $ 7,728,323 $ 6,915,708 $ 6,910,176 Federal funds purchased 370,231 370,231 288,725 288,725 Other borrowings 64,693 64,629 64,666 64,613

Note 1 - General (Details Textu

Note 1 - General (Details Textual)	Sep. 30, 2019
Minimum [Member]
Lessee, Operating Lease, Renewal Term	1 year
Maximum [Member]
Lessee, Operating Lease, Renewal Term	5 years

Note 3 - Earnings Per Common _3

Note 3 - Earnings Per Common Share - Summary of Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Weighted average common shares outstanding (in shares)	53,544,747	53,171,144	53,508,710	53,134,861
Net income available to common stockholders	$ 37,563	$ 34,560	$ 108,175	$ 100,672
Basic earnings per common share (in dollars per share)	$ 0.70	$ 0.65	$ 2.02	$ 1.89
Dilutive effects of assumed conversions and exercise of stock options and warrants (in shares)	551,621	1,020,078	578,700	1,055,383
Weighted average common and dilutive potential common shares outstanding (in shares)	54,096,368	54,191,222	54,087,410	54,190,244
Net income available to common stockholders	$ 37,563	$ 34,560	$ 108,175	$ 100,672
Diluted earnings per common share (in dollars per share)	$ 0.69	$ 0.64	$ 2	$ 1.86

Note 4 - Securities (Details Te

Note 4 - Securities (Details Textual) $ in Thousands	9 Months Ended
	Sep. 30, 2019USD ($)	Dec. 31, 2018USD ($)
Pledged Financial Instruments, Not Separately Reported, Securities, Total	$ 408,900	$ 281,900
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	43
Available for Sale Securities Debt Securities, Number of Positions	691
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Total	$ 0

Note 4 - Securities - Amortized

Note 4 - Securities - Amortized Cost and Fair Value of Available-for-sale and Held-to-maturity Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Available for sale, amortized cost	$ 680,761	$ 596,225
Available for sale, gross unrealized gain	8,029	1,545
Available for sale, gross unrealized loss	(769)	(7,586)
Available for sale, fair value	688,021	590,184	[1]
Held to maturity, amortized cost	250
Held to maturity, gross unrealized gain	0
Held to maturity, gross unrealized loss	0
Held to maturity debt securities, fair value	250	0
US Treasury Securities [Member]
Available for sale, amortized cost	51,888	58,750
Available for sale, gross unrealized gain	311	75
Available for sale, gross unrealized loss	(1)	(397)
Available for sale, fair value	52,198	58,428
US Government Agencies Debt Securities [Member]
Available for sale, amortized cost	18,234	18,784
Available for sale, gross unrealized gain	129	3
Available for sale, gross unrealized loss	(2)	(222)
Available for sale, fair value	18,361	18,565
Collateralized Mortgage Backed Securities [Member]
Available for sale, amortized cost	398,818	309,244
Available for sale, gross unrealized gain	4,425	591
Available for sale, gross unrealized loss	(604)	(5,531)
Available for sale, fair value	402,639	304,304
US States and Political Subdivisions Debt Securities [Member]
Available for sale, amortized cost	65,270	106,465
Available for sale, gross unrealized gain	330	208
Available for sale, gross unrealized loss	(32)	(679)
Available for sale, fair value	65,568	105,994
Held to maturity, amortized cost	250
Held to maturity, gross unrealized gain	0
Held to maturity, gross unrealized loss	0
Held to maturity debt securities, fair value	250
Corporate Debt Securities [Member]
Available for sale, amortized cost	146,551	102,982
Available for sale, gross unrealized gain	2,834	668
Available for sale, gross unrealized loss	(130)	(757)
Available for sale, fair value	$ 149,255	$ 102,893
[1]	Derived from audited financial statements.

Note 4 - Securities - Amortiz_2

Note 4 - Securities - Amortized Cost and Fair Value of Contractual Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Due within one year, amortized cost	$ 55,777	$ 38,343
Due within one year, fair value	55,973	38,225
Due from one to five years, amortized cost	106,374	167,873
Due from one to five years, fair value	107,205	166,380
Due from five to ten years, amortized cost	117,885	77,811
Due from five to ten years, fair value	120,258	78,276
Due after ten years, amortized cost	1,907	2,954
Due after ten years, fair value	1,946	2,999
Mortgage-backed securities, amortized cost	398,818	309,244
Mortgage-backed securities, fair value	402,639	304,304
Available for sale, amortized cost	680,761	596,225
Available for sale, fair value	688,021	590,184	[1]
Due from one to five years, amortized cost	250	0
Due from one to five years, fair value	250	0
Held to maturity, amortized cost	250	0	[1]
Held to maturity debt securities, fair value	$ 250	$ 0
[1]	Derived from audited financial statements.

Note 4 - Securities - Investmen

Note 4 - Securities - Investment Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Less Than Twelve Months, Gross Unrealized Losses	$ (600)	$ (963)
Less Than Twelve Months, Fair Value	101,199	125,788
Twelve Months or More, Gross Unrealized Losses	(169)	(6,623)
Twelve Months or More, Fair Value	35,250	320,802
Total, Gross Unrealized Losses	(769)	(7,586)
Total, Fair Value	136,449	446,590
US Treasury Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	0	(8)
Less Than Twelve Months, Fair Value	0	1,001
Twelve Months or More, Gross Unrealized Losses	(1)	(388)
Twelve Months or More, Fair Value	2,998	32,449
Total, Gross Unrealized Losses	(1)	(396)
Total, Fair Value	2,998	34,206
US Government Agencies Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(2)	0
Less Than Twelve Months, Fair Value	267	0
Twelve Months or More, Gross Unrealized Losses	0	(223)
Twelve Months or More, Fair Value	0	18,429
Total, Gross Unrealized Losses	(2)	(223)
Total, Fair Value	267	17,673
Collateralized Mortgage Backed Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(457)	(539)
Less Than Twelve Months, Fair Value	77,726	67,721
Twelve Months or More, Gross Unrealized Losses	(147)	(4,992)
Twelve Months or More, Fair Value	28,217	204,260
Total, Gross Unrealized Losses	(604)	(5,531)
Total, Fair Value	105,943	271,981
US States and Political Subdivisions Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(11)	(101)
Less Than Twelve Months, Fair Value	6,170	20,821
Twelve Months or More, Gross Unrealized Losses	(21)	(578)
Twelve Months or More, Fair Value	4,035	52,190
Total, Gross Unrealized Losses	(32)	(679)
Total, Fair Value	10,205	73,011
Corporate Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(130)	(315)
Less Than Twelve Months, Fair Value	17,036	36,245
Twelve Months or More, Gross Unrealized Losses	0	(442)
Twelve Months or More, Fair Value	0	13,474
Total, Gross Unrealized Losses	(130)	(757)
Total, Fair Value	$ 17,036	$ 49,718

Note 5 - Loans (Details Textual

Note 5 - Loans (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Termination of Loan Guaratee, Close-out Payment	$ 7,400
Percentage of Fee on Commitment Balance	1.00%	1.00%
Loans and Leases Receivable, Net Amount, Total	$ 6,944,877	$ 6,944,877		$ 6,464,899	[1]
Financing Receivable, Troubled Debt Restructuring	11,200	11,200	$ 16,600	14,600
Financing Receivable, Troubled Debt Restructuring, Accruing	3,500	3,500	15,500	3,100
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down		1,800	$ 3,700	$ 4,300
Loans Formerly Enrolled In Loan Guarantee Program [Member]
Loans and Leases Receivable, Net Amount, Total	44,300	44,300
Loans Formerly Enrolled In Loan Guarantee Program [Member] | Pass [Member]
Loans and Leases Receivable, Net Amount, Total	37,800	37,800
Loans Formerly Enrolled In Loan Guarantee Program [Member] | Special Mention [Member]
Loans and Leases Receivable, Net Amount, Total	5,200	5,200
Loans Formerly Enrolled In Loan Guarantee Program [Member] | Substandard [Member]
Loans and Leases Receivable, Net Amount, Total	$ 1,300	$ 1,300
[1]	Derived from audited financial statements.

Note 5 - Loans - Summary of Loa

Note 5 - Loans - Summary of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018		Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2017
Financing receivable, gross	$ 7,022,069		$ 6,533,499
Less: Allowance for loan losses	(77,192)	$ (71,386)	(68,600)	[1]	$ (66,879)	$ (64,239)	$ (59,406)
Loans and Leases Receivable, Net Amount, Total	$ 6,944,877		$ 6,464,899	[1]
Financing receivable, gross, percentage	100.00%		100.00%
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	$ 2,653,934		$ 2,513,225
Less: Allowance for loan losses	$ (45,222)	(38,709)	$ (39,016)		(39,101)	(36,178)	(32,880)
Financing receivable, gross, percentage	37.79%		38.47%
Real Estate Portfolio Segment[Member]
Financing receivable, gross	$ 3,751,329		$ 3,422,589
Financing receivable, gross, percentage	53.42%		52.39%
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	$ 550,871		$ 533,192
Less: Allowance for loan losses	$ (3,192)	(3,419)	$ (3,522)		(3,934)	(4,062)	(4,989)
Financing receivable, gross, percentage	7.85%		8.16%
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	$ 1,526,911		$ 1,463,887
Financing receivable, gross, percentage	21.74%		22.41%
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	$ 632,346		$ 621,634
Financing receivable, gross, percentage	9.01%		9.51%
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	$ 1,592,072		$ 1,337,068
Financing receivable, gross, percentage	22.67%		20.46%
Consumer Portfolio Segment [Member]
Financing receivable, gross	$ 65,935		$ 64,493
Less: Allowance for loan losses	$ (514)	$ (475)	$ (554)		$ (515)	$ (561)	$ (515)
Financing receivable, gross, percentage	0.94%		0.99%
[1]	Derived from audited financial statements.

Note 5 - Loans - Loans by Credi

Note 5 - Loans - Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Financing receivable, gross	$ 7,022,069	$ 6,533,499
Pass [Member]
Financing receivable, gross	6,873,833	6,394,484
Special Mention [Member]
Financing receivable, gross	97,901	102,259
Substandard [Member]
Financing receivable, gross	50,335	36,756
Doubtful [Member]
Financing receivable, gross	0	0
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	2,653,934	2,513,225
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Financing receivable, gross	2,573,465	2,447,052
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing receivable, gross	58,639	47,754
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Financing receivable, gross	21,830	18,419
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
Financing receivable, gross	0	0
Real Estate Portfolio Segment[Member]
Financing receivable, gross	3,751,329	3,422,589
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	550,871	533,192
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,526,911	1,463,887
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	632,346	621,634
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	1,592,072	1,337,068
Real Estate Portfolio Segment[Member] | Pass [Member]
Financing receivable, gross	3,693,873	3,357,967
Real Estate Portfolio Segment[Member] | Pass [Member] | Construction Loans [Member]
Financing receivable, gross	540,560	525,021
Real Estate Portfolio Segment[Member] | Pass [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,492,829	1,431,982
Real Estate Portfolio Segment[Member] | Pass [Member] | One to Four Family [Member]
Financing receivable, gross	629,806	616,884
Real Estate Portfolio Segment[Member] | Pass [Member] | Other Mortgages [Member]
Financing receivable, gross	1,571,238	1,309,101
Real Estate Portfolio Segment[Member] | Special Mention [Member]
Financing receivable, gross	33,251	47,756
Real Estate Portfolio Segment[Member] | Special Mention [Member] | Construction Loans [Member]
Financing receivable, gross	6,011	6,749
Real Estate Portfolio Segment[Member] | Special Mention [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	12,972	28,547
Real Estate Portfolio Segment[Member] | Special Mention [Member] | One to Four Family [Member]
Financing receivable, gross	947	2,703
Real Estate Portfolio Segment[Member] | Special Mention [Member] | Other Mortgages [Member]
Financing receivable, gross	19,332	16,506
Real Estate Portfolio Segment[Member] | Substandard [Member]
Financing receivable, gross	24,205	16,866
Real Estate Portfolio Segment[Member] | Substandard [Member] | Construction Loans [Member]
Financing receivable, gross	4,300	1,422
Real Estate Portfolio Segment[Member] | Substandard [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	21,110	3,358
Real Estate Portfolio Segment[Member] | Substandard [Member] | One to Four Family [Member]
Financing receivable, gross	1,593	2,047
Real Estate Portfolio Segment[Member] | Substandard [Member] | Other Mortgages [Member]
Financing receivable, gross	1,502	11,461
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	65,935	64,493
Consumer Portfolio Segment [Member] | Pass [Member]
Financing receivable, gross	65,935	64,444
Consumer Portfolio Segment [Member] | Special Mention [Member]
Financing receivable, gross	0	0
Consumer Portfolio Segment [Member] | Substandard [Member]
Financing receivable, gross	0	49
Consumer Portfolio Segment [Member] | Doubtful [Member]
Financing receivable, gross	$ 0	$ 0

Note 5 - Loans - Loans by Perfo

Note 5 - Loans - Loans by Performance Status (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Financing receivable, gross	$ 7,022,069	$ 6,533,499
Performing Financial Instruments [Member]
Financing receivable, gross	6,981,020	6,505,729
Nonperforming Financial Instruments [Member]
Financing receivable, gross	41,049	27,770
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	2,653,934	2,513,225
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing receivable, gross	2,637,785	2,502,117
Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	16,149	11,108
Real Estate Portfolio Segment[Member]
Financing receivable, gross	3,751,329	3,422,589
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	550,871	533,192
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,526,911	1,463,887
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	632,346	621,634
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	1,592,072	1,337,068
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member]
Financing receivable, gross	3,728,030	3,407,032
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member]
Financing receivable, gross	549,283	532,195
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,511,666	1,460,529
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member]
Financing receivable, gross	630,755	619,465
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member]
Financing receivable, gross	1,585,609	1,327,038
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	23,299	15,557
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member]
Financing receivable, gross	1,588	997
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	15,245	3,358
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member]
Financing receivable, gross	1,591	2,169
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member]
Financing receivable, gross	6,463	10,030
Consumer Portfolio Segment [Member]
Financing receivable, gross	65,935	64,493
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing receivable, gross	65,923	64,385
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	$ 12	$ 108

Note 5 - Loans - Loans Categori

Note 5 - Loans - Loans Categorized by Past Due Status (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Accrual loans, past due	$ 23,928	$ 11,002
Non-accrual	35,732	21,926
Current	6,962,409	6,500,571
Total loans	7,022,069	6,533,499	[1]
Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	16,465	3,400
Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	2,146	1,758
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	5,317	5,844
Commercial Real Estate Portfolio Segment [Member]
Accrual loans, past due	5,765	1,875
Non-accrual	16,030	10,503
Current	2,632,139	2,500,847
Total loans	2,653,934	2,513,225
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	4,519	1,222
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	1,127	48
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	119	605
Real Estate Portfolio Segment[Member]
Accrual loans, past due	17,426	7,486
Non-accrual	18,114	10,426
Current	3,715,789	3,404,677
Total loans	3,751,329	3,422,589
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Accrual loans, past due	650	1,352
Non-accrual	1,588	997
Current	548,633	530,843
Total loans	550,871	533,192
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	9,123	412
Non-accrual	15,127	3,358
Current	1,502,661	1,460,117
Total loans	1,526,911	1,463,887
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Accrual loans, past due	2,941	892
Non-accrual	1,480	2,046
Current	627,925	618,696
Total loans	632,346	621,634
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Accrual loans, past due	5,362	6,182
Non-accrual	1,507	5,022
Current	1,585,203	1,325,864
Total loans	1,592,072	1,337,068
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	11,265	2,120
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member]
Accrual loans, past due	650	0
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	9,005	412
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | One to Four Family [Member]
Accrual loans, past due	2,229	534
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Other Mortgages [Member]
Accrual loans, past due	31	1,174
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	975	235
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Construction Loans [Member]
Accrual loans, past due	0	1,352
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | One to Four Family [Member]
Accrual loans, past due	600	235
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Other Mortgages [Member]
Accrual loans, past due	375	0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	5,186	5,131
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	118	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	112	123
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other Mortgages [Member]
Accrual loans, past due	4,956	5,008
Consumer Portfolio Segment [Member]
Accrual loans, past due	87	289
Non-accrual	0	0
Current	65,848	64,204
Total loans	65,935	64,493
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	31	58
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	44	123
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	$ 12	$ 108
[1]	Derived from audited financial statements.

Note 5 - Loans - Analysis of Al

Note 5 - Loans - Analysis of Allowance for Loans Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019		Sep. 30, 2018	Dec. 31, 2018
Balance, beginning of period	$ 71,386	$ 64,239	$ 68,600	[1]	$ 59,406
Charge-offs	(8,772)	(4,047)	(15,919)		(7,823)
Recoveries	187	63	351		412
Allocation from LGP	7,406		7,406
Provision	6,985	6,624	16,754		14,884
Balance, end of period	77,192	66,879	77,192		66,879
Individually Evaluated for Impairment	9,288		9,288			$ 8,128
Collectively Evaluated for Impairment	67,904		67,904			60,472
Ending Balance	7,022,069		7,022,069			6,533,499	[1]
Individually Evaluated for Impairment	51,493		51,493			38,591
Collectively Evaluated for Impairment	6,970,576		6,970,576			6,494,908
Commercial Real Estate Portfolio Segment [Member]
Balance, beginning of period	38,709	36,178	39,016		32,880
Charge-offs	(3,626)	(3,923)	(10,273)		(6,743)
Recoveries	126	52	255		229
Allocation from LGP	4,905		4,905
Provision	5,108	6,794	11,319		12,735
Balance, end of period	45,222	39,101	45,222		39,101
Individually Evaluated for Impairment	7,165		7,165			6,066
Collectively Evaluated for Impairment	38,057		38,057			32,950
Ending Balance	2,653,934		2,653,934			2,513,225
Individually Evaluated for Impairment	21,855		21,855			18,444
Collectively Evaluated for Impairment	2,632,079		2,632,079			2,494,781
Real Estate Portfolio Segment[Member]
Ending Balance	3,751,329		3,751,329			3,422,589
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Balance, beginning of period	3,419	4,062	3,522		4,989
Charge-offs	0	0	0		0
Recoveries	1	4	2		108
Allocation from LGP	115		115
Provision	(343)	(132)	(447)		(1,163)
Balance, end of period	3,192	3,934	3,192		3,934
Individually Evaluated for Impairment	110		110			126
Collectively Evaluated for Impairment	3,082		3,082			3,396
Ending Balance	550,871		550,871			533,192
Individually Evaluated for Impairment	4,332		4,332			1,461
Collectively Evaluated for Impairment	546,539		546,539			531,731
Real Estate Portfolio Segment[Member] | Real Estate Loan [Member]
Balance, beginning of period	28,783	23,438	25,508		21,022
Charge-offs	(4,974)	(48)	(5,193)		(869)
Recoveries	0	1	11		44
Allocation from LGP	2,386		2,386
Provision	2,069	(62)	5,552		3,132
Balance, end of period	28,264	23,329	28,264		23,329
Individually Evaluated for Impairment	2,013		2,013			1,887
Collectively Evaluated for Impairment	26,251		26,251			23,621
Ending Balance	3,751,329		3,751,329			3,422,589
Individually Evaluated for Impairment	25,306		25,306			18,637
Collectively Evaluated for Impairment	3,726,023		3,726,023			3,403,952
Consumer Portfolio Segment [Member]
Balance, beginning of period	475	561	554		515
Charge-offs	(172)	(76)	(453)		(211)
Recoveries	60	6	83		31
Allocation from LGP	0		0
Provision	151	24	330		180
Balance, end of period	514	$ 515	514		$ 515
Individually Evaluated for Impairment	0		0			49
Collectively Evaluated for Impairment	514		514			505
Ending Balance	65,935		65,935			64,493
Individually Evaluated for Impairment	0		0			49
Collectively Evaluated for Impairment	$ 65,935		$ 65,935			$ 64,444
[1]	Derived from audited financial statements.

Note 5 - Loans - Summary of Imp

Note 5 - Loans - Summary of Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Recorded investment, with no allowance	$ 13,088	$ 13,088	$ 14,423
Unpaid principal balance, with no allowance	14,789	14,789	14,610
Average recorded investment, with no allowance	13,338	13,579	15,110
Interest income recognized in period, with no allowance	209	717	658
Average recorded investment, with no allowance	13,338	13,579	15,110
Recorded investment, with an allowance	38,405	38,405	24,168
Unpaid principal balance, with an allowance	49,112	49,112	31,929
Related allowance	9,288	9,288	8,128
Average recorded investment, with an allowance	45,312	46,793	27,901
Interest income recognized in period, with an allowance	40	1,066	848
Average recorded investment, with an allowance	45,312	46,793	27,901
Recorded investment	51,493	51,493	38,591
Unpaid principal balance	63,901	63,901	46,539
Average recorded investment	58,650	60,372	43,011
Interest income recognized in period	249	1,783	1,506
Average recorded investment	58,650	60,372	43,011
Commercial Real Estate Portfolio Segment [Member]
Recorded investment, with no allowance	2,705	2,705	6,064
Unpaid principal balance, with no allowance	4,308	4,308	6,064
Average recorded investment, with no allowance	3,186	3,799	6,142
Interest income recognized in period, with no allowance	50	129	237
Average recorded investment, with no allowance	3,186	3,799	6,142
Recorded investment, with an allowance	19,150	19,150	12,380
Unpaid principal balance, with an allowance	26,551	26,551	20,141
Related allowance	7,165	7,165	6,066
Average recorded investment, with an allowance	21,260	22,568	15,918
Interest income recognized in period, with an allowance	15	467	462
Average recorded investment, with an allowance	21,260	22,568	15,918
Recorded investment	21,855	21,855	18,444
Unpaid principal balance	30,859	30,859	26,205
Average recorded investment	24,446	26,367	22,060
Interest income recognized in period	65	596	699
Average recorded investment	24,446	26,367	22,060
Real Estate Portfolio Segment[Member]
Recorded investment, with no allowance	7,639	7,639	7,895
Unpaid principal balance, with no allowance	7,734	7,734	8,079
Average recorded investment, with no allowance	7,729	7,946	8,444
Interest income recognized in period, with no allowance	120	508	393
Average recorded investment, with no allowance	7,729	7,946	8,444
Recorded investment, with an allowance	17,667	17,667	10,742
Unpaid principal balance, with an allowance	20,973	20,973	10,742
Related allowance	2,013	2,013	1,887
Average recorded investment, with an allowance	22,464	22,602	10,937
Interest income recognized in period, with an allowance	39	572	352
Average recorded investment, with an allowance	22,464	22,602	10,937
Recorded investment	25,306	25,306	18,637
Unpaid principal balance	28,707	28,707	18,821
Average recorded investment	30,193	30,548	19,381
Interest income recognized in period	159	1,080	745
Average recorded investment	30,193	30,548	19,381
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Recorded investment, with no allowance	2,744	2,744	464
Unpaid principal balance, with no allowance	2,747	2,747	467
Average recorded investment, with no allowance	2,423	1,834	524
Interest income recognized in period, with no allowance	39	80	28
Average recorded investment, with no allowance	2,423	1,834	524
Recorded investment, with an allowance	1,588	1,588	997
Unpaid principal balance, with an allowance	1,588	1,588	997
Related allowance	110	110	126
Average recorded investment, with an allowance	1,588	1,623	997
Interest income recognized in period, with an allowance		27	31
Interest income recognized in period, with an allowance	(14)
Average recorded investment, with an allowance	1,588	1,623	997
Recorded investment	4,332	4,332	1,461
Unpaid principal balance	4,335	4,335	1,464
Average recorded investment	4,011	3,457	1,521
Interest income recognized in period	25	107	59
Average recorded investment	4,011	3,457	1,521
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Recorded investment, with no allowance	7,341	7,341	1,763
Unpaid principal balance, with no allowance	7,436	7,436	1,947
Average recorded investment, with no allowance	7,414	7,625	2,223
Interest income recognized in period, with no allowance	120	506	120
Average recorded investment, with no allowance	7,414	7,625	2,223
Recorded investment, with an allowance	14,867	14,867	3,358
Unpaid principal balance, with an allowance	18,173	18,173	3,358
Related allowance	1,159	1,159	99
Average recorded investment, with an allowance	19,664	19,850	3,364
Interest income recognized in period, with an allowance	61	548	105
Average recorded investment, with an allowance	19,664	19,850	3,364
Recorded investment	22,208	22,208	5,121
Unpaid principal balance	25,609	25,609	5,305
Average recorded investment	27,078	27,475	5,587
Interest income recognized in period	181	1,054	225
Average recorded investment	27,078	27,475	5,587
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Recorded investment, with no allowance	298	298	1,071
Unpaid principal balance, with no allowance	298	298	1,071
Average recorded investment, with no allowance	315	321	1,088
Interest income recognized in period, with no allowance	0	2	21
Average recorded investment, with no allowance	315	321	1,088
Recorded investment, with an allowance	1,293	1,293	975
Unpaid principal balance, with an allowance	1,293	1,293	975
Related allowance	204	204	208
Average recorded investment, with an allowance	1,293	1,296	975
Interest income recognized in period, with an allowance			30
Interest income recognized in period, with an allowance	1	3
Average recorded investment, with an allowance	1,293	1,296	975
Recorded investment	1,591	1,591	2,046
Unpaid principal balance	1,591	1,591	2,046
Average recorded investment	1,608	1,617	2,063
Interest income recognized in period		5	51
Interest income recognized in period	1
Average recorded investment	1,608	1,617	2,063
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Recorded investment, with no allowance	0	0	5,061
Unpaid principal balance, with no allowance	0	0	5,061
Average recorded investment, with no allowance	0	0	5,133
Interest income recognized in period, with no allowance	0	0	252
Average recorded investment, with no allowance	0	0	5,133
Recorded investment, with an allowance	1,507	1,507	6,409
Unpaid principal balance, with an allowance	1,507	1,507	6,409
Related allowance	650	650	1,580
Average recorded investment, with an allowance	1,507	1,456	6,598
Interest income recognized in period, with an allowance		21	217
Interest income recognized in period, with an allowance	(23)
Average recorded investment, with an allowance	1,507	1,456	6,598
Recorded investment	1,507	1,507	11,470
Unpaid principal balance	1,507	1,507	11,470
Average recorded investment	1,507	1,456	11,731
Interest income recognized in period		21	469
Average recorded investment	1,507	1,456	11,731
Consumer Portfolio Segment [Member]
Recorded investment, with no allowance	0	0	0
Unpaid principal balance, with no allowance	0	0	0
Average recorded investment, with no allowance	0	0	0
Interest income recognized in period, with no allowance	0	0	0
Average recorded investment, with no allowance	0	0	0
Recorded investment, with an allowance	0	0	49
Unpaid principal balance, with an allowance	0	0	49
Related allowance	0	0	49
Average recorded investment, with an allowance	0	0	49
Interest income recognized in period, with an allowance	0	0	3
Average recorded investment, with an allowance	0	0	49
Recorded investment	0	0	49
Unpaid principal balance	0	0	49
Average recorded investment	0	0	49
Interest income recognized in period	0	0	3
Average recorded investment	$ 0	$ 0	$ 49

Note 5 - Loans - Troubled Debt

Note 5 - Loans - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019USD ($)	Sep. 30, 2018USD ($)	Sep. 30, 2019USD ($)	Sep. 30, 2018USD ($)
Number of Contracts	0	10	1	10
Pre- Modification Outstanding Recorded Investment	$ 0	$ 12,753	$ 2,742	$ 12,753
Post- Modification Outstanding Recorded Investment	0	12,753	2,742	12,753
Defaulted during the period, where modified in a TDR twelve months prior to default	$ 0	$ 0	$ 325	$ 268
Commercial Real Estate Portfolio Segment [Member]
Number of Contracts	0	6	1	6
Pre- Modification Outstanding Recorded Investment	$ 0	$ 7,242	$ 2,742	$ 7,242
Post- Modification Outstanding Recorded Investment	0	7,242	2,742	7,242
Defaulted during the period, where modified in a TDR twelve months prior to default	$ 0	$ 0	$ 325	$ 268
Real Estate Portfolio Segment[Member]
Number of Contracts	0	3	0	3
Pre- Modification Outstanding Recorded Investment	$ 0	$ 4,514	$ 0	$ 4,514
Post- Modification Outstanding Recorded Investment	0	4,514	0	4,514
Defaulted during the period, where modified in a TDR twelve months prior to default	$ 0	$ 0	$ 0	$ 0
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Number of Contracts	0	1	0	1
Pre- Modification Outstanding Recorded Investment	$ 0	$ 997	$ 0	$ 997
Post- Modification Outstanding Recorded Investment	0	997	0	997
Defaulted during the period, where modified in a TDR twelve months prior to default	$ 0	$ 0	$ 0	$ 0
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Number of Contracts	0	2	0	2
Pre- Modification Outstanding Recorded Investment	$ 0	$ 3,664	$ 0	$ 3,664
Post- Modification Outstanding Recorded Investment	0	3,664	0	3,664
Defaulted during the period, where modified in a TDR twelve months prior to default	$ 0	$ 0	$ 0	$ 0
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Number of Contracts	0	1	0	1
Pre- Modification Outstanding Recorded Investment	$ 0	$ 850	$ 0	$ 850
Post- Modification Outstanding Recorded Investment	0	850	0	850
Defaulted during the period, where modified in a TDR twelve months prior to default	$ 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
Defaulted during the period, where modified in a TDR twelve months prior to default	$ 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
Defaulted during the period, where modified in a TDR twelve months prior to default	$ 0	$ 0	$ 0	$ 0

Note 6 - Leases (Details Textua

Note 6 - Leases (Details Textual)	3 Months Ended	9 Months Ended
	Sep. 30, 2019USD ($)	Sep. 30, 2019USD ($)
Lessee Operating Lease, Remaining Lease Term		9 years 8 months 12 days
Operating Lease, Right-of-Use Asset	$ 12,300,000	$ 12,300,000
Operating Lease, Liability, Total	$ 12,404,000	$ 12,404,000
Operating Lease, Weighted Average Remaining Lease Term	5 years 9 months 18 days	5 years 9 months 18 days
Operating Lease, Weighted Average Discount Rate, Percent	2.88%	2.88%
Operating Lease, Payments	$ 888,000	$ 2,451,000

Note 6 - Leases - Maturities of

Note 6 - Leases - Maturities of Operating Lease Liabilities (Details) $ in Thousands	Sep. 30, 2019USD ($)
2019 (remaining)	$ 819
2020	3,297
2021	2,680
2022	2,655
2023	2,181
thereafter	3,749
Total lease payments	15,381
Less: imputed interest	(2,977)
Present value of operating lease liabilities	$ 12,404

Note 6 - Leases - Lease Cost (D

Note 6 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Operating lease cost	$ 809	$ 2,500
Short-term lease cost	8	21
Variable lease cost	49	151
Sublease income	(23)	(35)
Net lease cost	$ 843	$ 2,637

Note 7 - Employee and Directo_3

Note 7 - Employee and Director Benefits (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Share-based Payment Arrangement, Noncash Expense, Total	$ 294,000	$ 202,000	$ 781,000	$ 684,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 12.60	$ 10.98
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	1,198,000		$ 1,198,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition			1 year 3 months 18 days
Restricted Stock [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 1,491,000		$ 1,491,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition			2 years 8 months 12 days
The 2009 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	5,550,000		5,550,000
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period			10 years

Note 7 - Employee and Directo_4

Note 7 - Employee and Director Benefits - Assumptions Used to Estimate Fair Value of Stock Option Awards (Details) - Share-based Payment Arrangement, Option [Member]	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Expected volatility	40.00%	24.72%
Expected dividends	1.74%	1.06%
Expected term (Year)	6 years 8 months 12 days	6 years 3 months 18 days
Risk-free rate	2.56%	2.67%

Note 7 - Employee and Directo_5

Note 7 - Employee and Director Benefits - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
Exercised (in shares)	(185,044,000)	(191,371,000)
Share-based Payment Arrangement, Option [Member]
Outstanding, shares (in shares)	1,238,748	1,666,834	1,666,834
Outstanding, weighted average exercise price (in dollars per share)	$ 13.02	$ 10.68	$ 10.68
Outstanding, weighted average remaining contractual term (Year)	5 years	5 years 1 month 6 days	5 years 2 months 12 days	5 years 6 months
Outstanding, aggregate intrinsic value	$ 18,603	$ 38,998	$ 23,355	$ 51,377
Granted (in shares)	10,500	12,750
Granted, weighted average exercise price (in dollars per share)	$ 34.44	$ 41.58
Granted, weighted average remaining contractual term (Year)	9 years 4 months 24 days	9 years 6 months
Granted, aggregate intrinsic value	$ (14)	$ (31)
Exercised (in shares)	(239,300)	(231,336)
Exercised, weighted average exercise price (in dollars per share)	$ 7.02	$ 4.94
Exercised, weighted average remaining contractual term (Year)	2 years 3 months 18 days	3 years 1 month 6 days
Exercised, aggregate intrinsic value	$ 6,162	$ 7,665
Forfeited (in shares)	(20,200)	(33,000)
Forfeited, weighted average exercise price (in dollars per share)	$ 24.88	$ 15
Forfeited, weighted average remaining contractual term (Year)	6 years 6 months	6 years 4 months 24 days
Forfeited, aggregate intrinsic value	$ 167	$ 758
Outstanding, shares (in shares)	989,748	1,415,248	1,238,748	1,666,834
Outstanding, weighted average exercise price (in dollars per share)	$ 14.46	$ 11.79	$ 13.02	$ 10.68
Exercisable, shares (in shares)	278,000	693,100
Exercisable, weighted average exercise price (in dollars per share)	$ 7.36	$ 6.78
Exercisable, weighted average remaining contractual term (Year)	3 years 1 month 6 days	3 years 6 months
Exercisable, aggregate intrinsic value	$ 7,261	$ 22,513

Note 7 - Employee and Directo_6

Note 7 - Employee and Director Benefits - Summarizes Restricted Stock Activity (Details) - Restricted Stock [Member] - $ / shares	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Non-vested, shares (in shares)	44,076	120,676
Non-vested, weighted average grant date fair value (in dollars per share)	$ 38.44	$ 10.29
Granted, shares (in shares)	33,774	12,850
Granted, weighted average grant date fair value (in dollars per share)	$ 33.60	$ 41.48
Vested, shares (in shares)	(5,200)	(73,700)
Vested, weighted average grant date fair value (in dollars per share)	$ 20.31	$ 5.88
Forfeited, shares (in shares)	(2,500)	(750)
Forfeited, weighted average grant date fair value (in dollars per share)	$ 38.17	$ 41.21
Non-vested, shares (in shares)	70,150	59,076
Non-vested, weighted average grant date fair value (in dollars per share)	$ 37.46	$ 22.18

Note 9 - Recently Adopted Acc_2

Note 9 - Recently Adopted Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
Operating Lease, Right-of-Use Asset	$ 12,300
Operating Lease, Liability, Total	$ 12,404
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset		$ 15,600
Operating Lease, Liability, Total		$ 15,600

Note 11 - Fair Value Measurem_3

Note 11 - Fair Value Measurement (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Asset Impairment Charges, Total	$ 7,700,000	$ 4,900,000	$ 16,100,000	$ 8,800,000
Real Estate Owned, Amount of Loss at Acquisition	58,000	$ 228,000	$ 303,000	$ 581,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure	$ 425,000

Note 11 - Fair Value Measurem_4

Note 11 - Fair Value Measurement - Financial Assets and Financial Liabilities Carried at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Available-for-sale securities	$ 688,021	$ 590,184	[1]
US Treasury Securities [Member]
Available-for-sale securities	52,198	58,428
US Government Agencies Debt Securities [Member]
Available-for-sale securities	18,361	18,565
Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	402,639	304,304
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	65,568	105,994
Corporate Debt Securities [Member]
Available-for-sale securities	149,255	102,893
Fair Value, Recurring [Member]
Available-for-sale securities	688,021	590,184
Fair Value, Recurring [Member] | US Treasury Securities [Member]
Available-for-sale securities	52,198	58,428
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Available-for-sale securities	18,361	18,565
Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	402,639	304,304
Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	65,568	105,994
Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Available-for-sale securities	149,255	102,893
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US Treasury Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]
Available-for-sale securities	681,411	583,666
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Treasury Securities [Member]
Available-for-sale securities	52,198	58,428
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Available-for-sale securities	18,361	18,565
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	402,639	304,304
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	65,568	105,994
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Available-for-sale securities	142,645	96,375
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Available-for-sale securities	6,610	6,518
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US Treasury Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	0	0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Available-for-sale securities	$ 6,610	$ 6,518
[1]	Derived from audited financial statements.

Note 11 - Fair Value Measurem_5

Note 11 - Fair Value Measurement - Carrying Amount and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Impaired loans	$ 42,205	$ 30,463
Other real estate owned and repossessed assets	5,337	5,169
Total assets at fair value	47,542	35,632
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	42,205	30,463
Other real estate owned and repossessed assets	5,337	5,169
Total assets at fair value	$ 47,542	$ 35,632

Note 11 - Fair Value Measurem_6

Note 11 - Fair Value Measurement - Financial Assets and Liabilities Carried at Fair Value on Recurring Basis or Nonrecurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Cash and due from banks	$ 108,804	$ 97,516	[1]
Federal funds sold	474,298	223,845	[1]
Mortgage loans held for sale	8,691	120	[1]
Held to maturity debt securities	250	0
Federal funds purchased	370,231	288,725	[1]
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member]
Cash and due from banks	572,429	458,050
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]
Cash and due from banks	572,429	458,050
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member]
Federal funds sold	474,298	223,845
Mortgage loans held for sale	8,691	120
Deposits	7,724,158	6,915,708
Federal funds purchased	370,231	288,725
Other borrowings	64,693	64,666
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]
Federal funds sold	474,298	223,845
Mortgage loans held for sale	8,656	121
Deposits	7,728,323	6,910,176
Federal funds purchased	370,231	288,725
Other borrowings	64,629	64,613
Fair Value, Inputs, Level 3 [Member] | Reported Value Measurement [Member]
Held to maturity debt securities	250	0
Loans, net	6,902,672	6,464,899
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]
Held to maturity debt securities	250	0
Loans, net	$ 6,816,956	$ 6,398,604
[1]	Derived from audited financial statements.