ServisFirst Bancshares (SFBS) 10-Q 30 Jul 19 2019 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2019	Jul. 26, 2019
Document Information [Line Items]
Entity Central Index Key	0001430723
Entity Shell Company	false
Entity Registrant Name	ServisFirst Bancshares, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2019
Entity Small Business	false
Entity Emerging Growth Company	false
Document Quarterly Report	true
Document Transition Report	false
Document Type	10-Q
Document Period End Date	Jun. 30, 2019
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
Trading Symbol	SFBS
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		53,536,482

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Cash and due from banks	$ 68,841	$ 97,516
Interest-bearing balances due from depository institutions	409,052	360,534
Federal funds sold	408,289	223,845
Cash and cash equivalents	886,182	681,895
Available for sale debt securities, at fair value	657,971	590,184
Held to maturity debt securities (fair value of $250 at June 30, 2019)	250	0
Mortgage loans held for sale	9,446	120
Loans	6,967,886	6,533,499
Less allowance for loan losses	(71,386)	(68,600)
Loans, net	6,896,500	6,464,899
Premises and equipment, net	57,195	57,822
Accrued interest and dividends receivable	26,635	24,070
Deferred tax assets	24,850	27,277
Other real estate owned and repossessed assets	5,649	5,169
Bank owned life insurance contracts	132,189	130,649
Goodwill and other identifiable intangible assets	14,314	14,449
Other assets	29,056	10,848
Total assets	8,740,237	8,007,382
Liabilities:
Noninterest-bearing	1,576,959	1,557,341
Interest-bearing	5,827,835	5,358,367
Total deposits	7,404,794	6,915,708
Federal funds purchased	459,449	288,725
Other borrowings	64,684	64,666
Accrued interest payable	10,930	10,381
Other liabilities	21,423	12,699
Total liabilities	7,961,280	7,292,179
Stockholders' equity:
Preferred stock, par value $0.001 per share; 1,000,000 authorized and undesignated at June 30, 2019 and December 31, 2018	0	0
Common stock, par value $0.001 per share; 100,000,000 shares authorized; 53,526,882 shares issued and outstanding at June 30, 2019, and 53,375,195 shares issued and outstanding at December 31, 2018	54	53
Additional paid-in capital	218,658	218,521
Retained earnings	555,425	500,868
Accumulated other comprehensive income (loss)	4,318	(4,741)
Total stockholders' equity attributable to ServisFirst Bancshares, Inc.	778,455	714,701
Noncontrolling interest	502	502
Total stockholders' equity	778,957	715,203
Total liabilities and stockholders' equity	$ 8,740,237	$ 8,007,382

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 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)	53,526,882	53,375,195
Common stock, outstanding (in shares)	53,526,882	53,375,195

Consolidated Statements of Inco

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Interest income:
Interest and fees on loans	$ 88,610	$ 73,620	$ 174,134	$ 143,294
Taxable securities	4,193	3,127	7,939	5,872
Nontaxable securities	393	623	839	1,279
Federal funds sold	1,998	694	3,217	1,245
Other interest and dividends	2,593	332	5,357	715
Total interest income	97,787	78,396	191,486	152,405
Interest expense:
Deposits	24,240	11,714	46,385	21,335
Borrowed funds	3,462	2,160	6,238	4,112
Total interest expense	27,702	13,874	52,623	25,447
Net interest income	70,085	64,522	138,863	126,958
Provision for loan losses	4,884	4,121	9,769	8,260
Net interest income after provision for loan losses	65,201	60,401	129,094	118,698
Noninterest income:
Securities (losses) gains	(6)	0	(6)	4
Increase in cash surrender value life insurance	778	786	1,540	1,563
Other operating income	392	352	719	629
Total noninterest income	5,778	4,941	10,720	9,357
Noninterest expenses:
Salaries and employee benefits	14,339	13,098	28,604	26,394
Equipment and occupancy expense	2,287	2,113	4,546	4,067
Professional services	1,191	924	2,185	1,729
FDIC and other regulatory assessments	1,081	1,159	2,100	2,292
OREO expense	212	160	234	476
Other operating expenses	6,912	6,038	13,679	11,593
Total noninterest expenses	26,022	23,492	51,348	46,551
Income before income taxes	44,957	41,850	88,466	81,504
Provision for income taxes	9,324	8,310	17,823	15,361
Net income	35,633	33,540	70,643	66,143
Preferred stock dividends	31	31	31	31
Net income available to common stockholders	$ 35,602	$ 33,509	$ 70,612	$ 66,112
Basic earnings per common share (in dollars per share)	$ 0.67	$ 0.63	$ 1.32	$ 1.24
Diluted earnings per common share (in dollars per share)	$ 0.66	$ 0.62	$ 1.31	$ 1.22
Deposit Account [Member]
Noninterest income:
Noninterest income	$ 1,786	$ 1,653	$ 3,488	$ 3,238
Mortgage Banking [Member]
Noninterest income:
Noninterest income	1,087	789	1,662	1,307
Credit Card [Member]
Noninterest income:
Noninterest income	$ 1,741	$ 1,361	$ 3,317	$ 2,616

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Net income	$ 35,633	$ 33,540	$ 70,643	$ 66,143
Other comprehensive income (loss), net of tax:
Unrealized net holding gains (losses) arising during period from securities available for sale, net of tax of $1,448 and $2,408 for the three and six months ended June 30, 2019, respectively, and net of benefit of $(553) and $(1,858) for the three and six months ended June 30, 2018, respectively	5,282	(2,073)	9,054	(6,977)
Reclassification adjustment for net loss (gains) on sale of securities, net of tax of $(1) and $1 for 2019 and 2018, respectively	5	0	5	(3)
Other comprehensive income (loss), net of tax	5,287	(2,073)	9,059	(6,980)
Comprehensive income	$ 40,920	$ 31,467	$ 79,702	$ 59,163

Consolidated Statements of Co_2

Consolidated Statements of Comprehensive Income (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Unrealized holding gain (loss) from available for sale securities, tax	$ 1,448	$ 2,408	$ (553)	$ (1,858)
Reclassification adjustment for net (gains) losses on sale of securities available-for-sale, tax			$ (1)	$ 1

Consolidated Statement of Stock

Consolidated Statement of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	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	(5,848)	0	0	(5,848)
Preferred dividends paid	0	0	0	(31)	0	0	(31)
Issue shares of common stock upon exercise of stock options	0	0	860	0	0	0	860
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(1,270)	0	0	0	(1,270)
Stock-based compensation expense	0	0	482	0	0	0	482
Other comprehensive income (loss), net of tax	0	0	0	0	(6,980)	0	(6,980)
Net income	0	0	0	66,143	0	0	66,143
Common dividends paid	0	0	0	(5,846)	0	0	(5,846)
Balance at Jun. 30, 2018	0	53	217,765	443,972	(7,178)	502	655,114
Balance at Mar. 31, 2018	0	53	217,536	416,311	(5,105)	502	629,297
Common dividends declared	0	0	0	(5,848)	0	0	(5,848)
Preferred dividends paid	0	0	0	(31)	0	0	(31)
Issue shares of common stock upon exercise of stock options	0	0	8	0	0	0	8
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(23)	0	0	0	(23)
Stock-based compensation expense	0	0	244	0	0	0	244
Other comprehensive income (loss), net of tax	0	0	0	0	(2,073)	0	(2,073)
Net income	0	0	0	33,540	0	0	33,540
Balance at Jun. 30, 2018	0	53	217,765	443,972	(7,178)	502	655,114
Balance at Dec. 31, 2018	0	53	218,521	500,868	(4,741)	502	715,203
Common dividends declared	0	0	0	(8,030)	0	0	(8,030)
Preferred dividends paid	0	0	0	(31)	0	0	(31)
Issue shares of common stock upon exercise of stock options	0	1	1,102	0	0	0	1,103
Shares of common stock withheld in net settlement upon exercise of stock options	0	0	(1,453)	0	0	0	(1,453)
Stock-based compensation expense	0	0	488	0	0	0	488
Other comprehensive income (loss), net of tax	0	0	0	0	9,059	0	9,059
Net income	0	0	0	70,643	0	0	70,643
Common dividends paid	0	0	0	(8,025)	0	0	(8,025)
Balance at Jun. 30, 2019	0	54	218,658	555,425	4,318	502	778,957
Balance at Mar. 31, 2019	0	53	218,147	527,853	(969)	502	745,586
Common dividends declared	0	0	0	(8,030)	0	0	(8,030)
Preferred dividends paid	0	0	0	(31)	0	0	(31)
Issue shares of common stock upon exercise of stock options	0	1	305	0	0	0	306
Stock-based compensation expense	0	0	206	0	0	0	206
Other comprehensive income (loss), net of tax	0	0	0	0	5,287	0	5,287
Net income	0	0	0	35,633	0	0	35,633
Balance at Jun. 30, 2019	$ 0	$ 54	$ 218,658	$ 555,425	$ 4,318	$ 502	$ 778,957

Consolidated Statement of Sto_2

Consolidated Statement of Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Common Stock [Member]
Issuance of common stock, shares (in shares)	26,000	1,464	143,313	145,297
Additional Paid-in Capital [Member]
Shares withholed in net settlement upon exercise of stock options (in shares)		536	45,187	30,539
Common dividends, per share declared (in dollars per share)	$ 0.15	$ 0.11	$ 0.15	$ 0.11
Common dividends, per share (in dollars per share)			$ 0.15	$ 0.11

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
OPERATING ACTIVITIES
Net income	$ 70,643,000	$ 66,143,000
Adjustments to reconcile net income to net cash provided by
Deferred tax expense	2,427,000	1,361,000
Provision for loan losses	9,769,000	8,260,000
Depreciation	1,845,000	1,679,000
Accretion on acquired loans	(91,000)	(125,000)
Amortization of core deposit intangible	135,000	135,000
Net amortization of debt securities available for sale	1,304,000	1,219,000
Increase in accrued interest and dividends receivable	(2,565,000)	(714,000)
Stock-based compensation expense	488,000	482,000
Increase in accrued interest payable	549,000	2,251,000
Proceeds from sale of mortgage loans held for sale	45,543,000	55,342,000
Originations of mortgage loans held for sale	(53,207,000)	(54,181,000)
Net loss (gain) on sale of debt securities available for sale	6,000	(4,000)
Gain on sale of mortgage loans held for sale	(1,662,000)	(1,307,000)
Net loss on sale of other real estate owned and repossessed assets	2,000	10,000
Write down of other real estate owned and repossessed assets	222,000	253,000
Operating losses of tax credit partnerships	73,000	70,000
Increase in cash surrender value of life insurance contracts	(1,540,000)	(1,563,000)
Net change in other assets, liabilities, and other operating activities	(12,640,000)	(2,238,000)
Net cash provided by operating activities	61,301,000	77,073,000
INVESTMENT ACTIVITIES
Purchase of debt securities available for sale	(121,590,000)	(100,718,000)
Proceeds from maturities, calls and paydowns of debt securities available for sale	64,611,000	40,484,000
Proceeds from sale of debt securities available for sale	0	5,100,000
Purchase of debt securities held to maturity	(250,000)	0
Proceeds from sale of equity securities	0	30,000
Increase in loans	(442,031,000)	(282,441,000)
Purchase of premises and equipment	(1,218,000)	(1,078,000)
Proceeds from sale of other real estate owned and repossessed assets	48,000	1,252,000
Net cash used in investing activities	(500,430,000)	(337,371,000)
FINANCING ACTIVITIES
Net increase in non-interest-bearing deposits	19,618,000	41,121,000
Net increase (decrease) in interest-bearing deposits	469,468,000	(47,113,000)
Net increase (decrease) in federal funds purchased	170,724,000	(39,138,000)
Repayment of Federal Home Loan Bank advances	0	(200,000)
Proceeds from exercise of stock options	1,102,000	860,000
Taxes paid in net settlement of tax obligation upon exercise of stock options	(1,453,000)	(1,270,000)
Dividends paid on common stock	(16,044,000)	(5,846,000)
Dividends paid on preferred stock	(31,000)	(31,000)
Net cash provided by (used in) financing activities	643,384,000	(51,617,000)
Net increase (decrease) in cash and cash equivalents	204,255,000	(311,915,000)
Cash and cash equivalents at beginning of period	681,895,000	477,586,000
Cash and cash equivalents at end of period	886,150,000	165,671,000
Cash paid for:
Interest	52,074,000	23,196,000
Income taxes	24,956,000	9,645,000
NONCASH TRANSACTIONS
Other real estate acquired in settlement of loans	752,000	751,000
Dividends declared	$ 8,030,000	$ 5,848,000

Note 1 - General

Note 1 - General	6 Months Ended
	Jun. 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 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	6 Months Ended
	Jun. 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	6 Months Ended
	Jun. 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 June 30, Six Months Ended June 30, 2019 2018 2019 2018 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 53,515,418 53,150,142 53,490,393 53,116,420 Net income available to common stockholders $ 35,602 $ 33,509 $ 70,612 $ 66,112 Basic earnings per common share $ 0.67 $ 0.63 $ 1.32 $ 1.24 Weighted average common shares outstanding 53,515,418 53,150,142 53,490,393 53,116,420 Dilutive effects of assumed conversions and exercise of stock options and warrants 573,689 1,045,881 592,464 1,073,326 Weighted average common and dilutive potential common shares outstanding 54,089,107 54,196,023 54,082,857 54,189,746 Net income available to common stockholders $ 35,602 $ 33,509 $ 70,612 $ 66,112 Diluted earnings per common share $ 0.66 $ 0.62 $ 1.31 $ 1.22

Note 4 - Securities

Note 4 - Securities	6 Months Ended
	Jun. 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 June 30, 2019 December 31, 2018 Amortized Cost Gross Unrealized Gain Gross Unrealized Loss Market Value June 30, 2019: (In Thousands) Securities Available for Sale U.S. Treasury and government sponsored agencies $ 74,342 $ 396 $ (31 ) $ 74,707 Mortgage-backed securities 360,816 3,072 (463 ) 363,425 State and municipal securities 83,984 387 (60 ) 84,311 Corporate debt 133,415 2,130 (17 ) 135,528 Total $ 652,557 $ 5,985 $ (571 ) $ 657,971 Securities Held to Maturity State and municipal securities 250 - - 250 Total $ 250 $ - $ - $ 250 December 31, 2018: Securities Available for Sale U.S. Treasury and government sponsored agencies $ 77,534 $ 78 $ (619 ) $ 76,993 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 June 30, 2019 December 31, 2018 may may not June 30, 2019 December 31, 2018 Amortized Cost Fair Value Amortized Cost Fair Value (In thousands) Debt securities available for sale Due within one year $ 38,284 $ 38,302 $ 38,343 $ 38,225 Due from one to five years 144,968 145,841 167,873 166,380 Due from five to ten years 103,960 105,819 77,811 78,276 Due after ten years 4,529 4,584 2,954 2,999 Mortgage-backed securities 360,816 363,425 309,244 304,304 $ 652,557 $ 657,971 $ 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 June 30, 2019 December 31, 2018 The following table identifies, as of June 30, 2019 December 31, 2018, 12 12 June 30, 2019, 12 not not not may not June 30, 2019. not Less Than Twelve Months Twelve Months or More Total Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value (In Thousands) June 30, 2019 U.S. Treasury and government sponsored agencies $ - $ - $ (31 ) $ 21,919 $ (31 ) $ 21,919 Mortgage-backed securities (47 ) 17,778 (416 ) 81,383 (463 ) 99,161 State and municipal securities (9 ) 1,681 (51 ) 16,297 (60 ) 17,978 Corporate debt (17 ) 3,765 - - (17 ) 3,765 Total $ (73 ) $ 23,224 $ (498 ) $ 119,599 $ (571 ) $ 142,823 December 31, 2018 U.S. Treasury and government sponsored agencies $ (8 ) $ 1,001 $ (611 ) $ 50,878 $ (619 ) $ 51,880 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	6 Months Ended
	Jun. 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 June 30, 2019 December 31, 2018: June 30, 2019 December 31, 2018 (Dollars In Thousands) Commercial, financial and agricultural $ 2,633,529 $ 2,513,225 Real estate - construction 603,779 533,192 Real estate - mortgage: Owner-occupied commercial 1,538,279 1,463,887 1-4 family mortgage 630,963 621,634 Other mortgage 1,496,512 1,337,068 Subtotal: Real estate - mortgage 3,665,754 3,422,589 Consumer 64,824 64,493 Total Loans 6,967,886 6,533,499 Less: Allowance for loan losses (71,386 ) (68,600 ) Net Loans $ 6,896,500 $ 6,464,899 Commercial, financial and agricultural 37.79 % 38.47 % Real estate - construction 8.67 % 8.16 % Real estate - mortgage: Owner-occupied commercial 22.08 % 22.41 % 1-4 family mortgage 9.05 % 9.51 % Other mortgage 21.48 % 20.46 % Subtotal: Real estate - mortgage 52.61 % 52.39 % Consumer 0.93 % 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 June 30, 2019 December 31, 2018 June 30, 2019 Pass Special Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 2,560,336 $ 53,434 $ 19,759 $ - $ 2,633,529 Real estate - construction 596,007 5,802 1,970 - 603,779 Real estate - mortgage: Owner-occupied commercial 1,512,146 11,818 14,315 - 1,538,279 1-4 family mortgage 627,829 1,191 1,943 - 630,963 Other mortgage 1,472,083 17,904 6,525 - 1,496,512 Total real estate mortgage 3,612,058 30,913 22,783 - 3,665,754 Consumer 64,775 49 - - 64,824 Total $ 6,833,176 $ 90,198 $ 44,512 $ - $ 6,967,886 December 31, 2018 Pass Special 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 June 30, 2019 December 31, 2018 June 30, 2019 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,617,692 $ 15,837 $ 2,633,529 Real estate - construction 603,541 238 603,779 Real estate - mortgage: Owner-occupied commercial 1,534,721 3,558 1,538,279 1-4 family mortgage 628,494 2,469 630,963 Other mortgage 1,486,500 10,012 1,496,512 Total real estate mortgage 3,649,715 16,039 3,665,754 Consumer 64,799 25 64,824 Total $ 6,935,747 $ 32,139 $ 6,967,886 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 June 30, 2019 December 31, 2018 June 30, 2019 Past Due Status (Accruing Loans) 30-59 Days 60-89 Days 90+ Days Total Past Due Non-Accrual Current Total Loans (In Thousands) Commercial, financial and agricultural $ 69 $ 75 $ 4,756 $ 4,900 $ 11,081 $ 2,617,548 $ 2,633,529 Real estate - construction - - - - 238 603,541 603,779 Real estate - mortgage: Owner-occupied commercial 15,350 929 - 16,279 3,558 1,518,442 1,538,279 1-4 family mortgage 549 125 528 1,202 1,941 627,820 630,963 Other mortgage 1,543 - 4,990 6,533 5,022 1,484,957 1,496,512 Total real estate - mortgage 17,442 1,054 5,518 24,014 10,521 3,631,219 3,665,754 Consumer 24 4 25 53 - 64,771 64,824 Total $ 17,535 $ 1,133 $ 10,299 $ 28,967 $ 21,840 $ 6,917,079 $ 6,967,886 December 31, 2018 Past Due Status (Accruing Loans) 30-59 Days 60-89 Days 90+ Days Total Past 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 The following table presents an analysis of the allowance for loan losses by portfolio segment and changes in the allowance for loan losses for the three six June 30, 2019 June 30, 2018. Commercial, financial and agricultural Real estate - construction Real estate - mortgage Consumer Total (In Thousands) Three Months Ended June 30, 2019 Allowance for loan losses: Balance at March 31, 2019 $ 39,459 $ 3,595 $ 26,711 $ 442 $ 70,207 Charge-offs (3,610 ) - (169 ) (63 ) (3,842 ) Recoveries 117 - 4 16 137 Provision 2,743 (176 ) 2,237 80 4,884 Balance at June 30, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 Three Months Ended June 30, 2018 Allowance for loan losses: Balance at March 31, 2018 $ 35,787 $ 4,138 $ 21,606 $ 519 $ 62,050 Charge-offs (1,732 ) - (440 ) (47 ) (2,219 ) Recoveries 173 97 2 15 287 Provision 1,950 (173 ) 2,270 74 4,121 Balance at June 30, 2018 $ 36,178 $ 4,062 $ 23,438 $ 561 $ 64,239 Six Months Ended June 30, 2019 Allowance for loan losses: Balance at December 31, 2018 $ 39,016 $ 3,522 $ 25,508 $ 554 $ 68,600 Charge-offs (6,647 ) - (219 ) (281 ) (7,147 ) Recoveries 129 1 11 23 164 Provision 6,211 (104 ) 3,483 179 9,769 Balance at June 30, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 Six Months Ended June 30, 2018 Allowance for loan losses: Balance at December 31, 2017 $ 32,880 $ 4,989 $ 21,022 $ 515 $ 59,406 Charge-offs (2,820 ) - (821 ) (135 ) (3,776 ) Recoveries 177 104 44 24 349 Provision 5,941 (1,031 ) 3,193 157 8,260 Balance at June 30, 2018 $ 36,178 $ 4,062 $ 23,438 $ 561 $ 64,239 As of June 30, 2019 Allowance for loan losses: Individually Evaluated for Impairment $ 5,201 $ 110 $ 4,805 $ - $ 10,116 Collectively Evaluated for Impairment 33,508 3,309 23,978 475 61,270 Loans: Ending Balance $ 2,633,529 $ 603,779 $ 3,665,754 $ 64,824 $ 6,967,886 Individually Evaluated for Impairment 19,783 2,004 23,903 - 45,690 Collectively Evaluated for Impairment 2,613,746 601,775 3,641,851 64,824 6,922,196 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 June 30, 2019 December 31, 2018, not June 30, 2019 For the three months ended June 30, 2019 For the six months ended June 30, 2019 Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized in Period Average Recorded Investment Interest Income Recognized in Period (In Thousands) With no allowance recorded: Commercial, financial and agricultural $ 1,769 $ 1,769 $ - $ 1,769 $ 20 $ 1,769 $ 52 Real estate - construction 416 420 - 420 6 437 13 Real estate - mortgage: Owner-occupied commercial 1,083 1,179 - 1,184 16 1,143 33 1-4 family mortgage 472 472 - 475 - 487 - Other mortgage - - - - - - - Total real estate - mortgage 1,555 1,651 - 1,659 16 1,630 33 Consumer - - - - - - - Total with no allowance recorded 3,740 3,840 - 3,848 42 3,836 98 With an allowance recorded: Commercial, financial and agricultural 18,014 23,761 5,201 20,253 71 21,520 234 Real estate - construction 1,588 1,588 110 1,588 20 1,640 40 Real estate - mortgage: Owner-occupied commercial 14,349 14,349 2,402 13,208 207 13,724 425 1-4 family mortgage 1,469 1,469 196 1,473 (1 ) 1,475 1 Other mortgage 6,530 6,530 2,207 6,530 23 6,452 44 Total real estate - mortgage 22,348 22,348 4,805 21,211 229 21,651 470 Consumer - - - - - - - Total with allowance recorded 41,950 47,697 10,116 43,052 320 44,811 744 Total Impaired Loans: Commercial, financial and agricultural 19,783 25,530 5,201 22,022 91 23,289 286 Real estate - construction 2,004 2,008 110 2,008 26 2,077 53 Real estate - mortgage: Owner-occupied commercial 15,432 15,528 2,402 14,392 223 14,867 458 1-4 family mortgage 1,941 1,941 196 1,948 (1 ) 1,962 1 Other mortgage 6,530 6,530 2,207 6,530 23 6,452 44 Total real estate - mortgage 23,903 23,999 4,805 22,870 245 23,281 503 Consumer - - - - - - - Total impaired loans $ 45,690 $ 51,537 $ 10,116 $ 46,900 $ 362 $ 48,647 $ 842 December 31, 2018 For the twelve months ended December 31, 2018 Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized in 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 June 30, 2019, December 31, 2018 June 30, 2018 June 30, 2019, December 31, 2018 June 30, 2018. three six June 30, 2019 three six June 30, 2018. Three Months Ended June 30, 2019 Six Months Ended June 30, 2019 Number of Contracts Pre- Modification Outstanding Recorded Investment Post- Modification Outstanding Recorded Investment Number of Contracts Pre- Modification Outstanding Recorded Investment Post- Modification Outstanding Recorded Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural 1 $ 2,742 $ 2,742 1 $ 2,742 $ 2,742 Real estate - construction - - - - - - Real estate - mortgage: Owner-occupied commercial - - - - - - 1-4 family mortgage - - - - - - Other mortgage - - - - - - Total real estate mortgage - - - - - - Consumer - - - - - - 1 $ 2,742 $ 2,742 1 $ 2,742 $ 2,742 The following table presents TDRs by portfolio segment which defaulted during the three six June 30, 2019 2018, twelve twelve 90 June 30, 2019, Three Months Ended June 30, Six Months Ended June 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 $ - $ 268 $ 325 $ 268 Real estate - construction - - - - Real estate - mortgage: Owner-occupied commercial - - - - 1-4 family mortgage - - - - Other mortgage - - - - Total real estate mortgage - - - - Consumer - - - - $ - $ 268 $ 325 $ 268

Note 6 - Leases

Note 6 - Leases	6 Months Ended
	Jun. 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 June 30, 2019, Maturities of operating lease liabilities as of June 30, 2019 June 30, 2019 (In Thousands) 2019 (remaining) $ 1,582 2020 3,197 2021 2,584 2022 2,606 2023 2,185 thereafter 3,749 Total lease payments 15,903 Less: imputed interest (2,756 ) Present value of operating lease liabilities $ 13,147 As of June 30, 2019, Operating cash flows related to leases were $786,000 and $1,563,000 for the three six June 30, 2019, Lease costs during the three six June 30, 2019 Three Months Ended June 30, 2019 Operating lease cost $ 842 Short-term lease cost 7 Variable lease cost 52 Sublease income (6 ) Net lease cost $ 895 Six Months Ended June 30, 2019 Operating lease cost $ 1,691 Short-term lease cost 13 Variable lease cost 102 Sublease income (12 ) Net lease cost $ 1,794

Note 7 - Employee and Director

Note 7 - Employee and Director Benefits	6 Months Ended
	Jun. 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 $206,000 and $488,000 for the three six June 30, 2019 three six June 30, 2018. The Company’s 2009 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 % 24.13 % Expected dividends 1.74 % 1.06 % Expected term (in years) 6.7 6.3 Risk-free rate 2.55 % 2.67 % The weighted average grant-date fair value of options granted during the six June 30, 2019 June 30, 2018 The following table summarizes stock option activity during the six June 30, 2019 June 30, 2018: Shares Weighted Average Exercise Price Weighted Average Remaining Contractual Term (years) Aggregate Intrinsic Value (In Thousands) Six Months Ended June 30, 2019: Outstanding at January 1, 2019 1,238,748 $ 13.02 5.2 $ 23,355 Granted 10,500 34.44 9.7 (2 ) Exercised (188,500 ) 5.58 1.8 5,014 Forfeited (13,000 ) 29.93 7.4 56 Outstanding at June 30, 2019 1,047,748 $ 14.37 5.3 $ 21,233 Exercisable at June 30, 2019 328,800 $ 8.13 3.7 $ 8,964 Six Months Ended June 30, 2018: Outstanding at January 1, 2018 1,666,834 $ 10.68 5.5 $ 51,377 Granted 12,750 41.50 9.7 (9 ) Exercised (175,836 ) 4.90 3.1 6,317 Forfeited (6,000 ) 19.50 7.7 128 Outstanding at June 30, 2018 1,497,748 $ 11.58 5.3 $ 43,787 Exercisable at June 30, 2018 748,600 $ 7.34 3.9 $ 25,811 As of June 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 June 30, 2019, The following table summarizes restricted stock activity during the six June 30, 2019 2018, Shares Weighted Average Grant Date Fair Value Six Months Ended June 30, 2019: Non-vested at January 1, 2019 44,076 $ 38.44 Granted 23,474 34.03 Vested (5,200 ) 20.31 Forfeited (2,500 ) 38.17 Non-vested at June 30, 2019 59,850 $ 38.95 Six Months Ended June 30, 2018: Non-vested at January 1, 2018 120,676 $ 10.29 Granted 11,850 41.29 Vested (61,700 ) 5.81 Forfeited - - Non-vested at June 30, 2018 70,826 $ 19.38

Note 8 - Derivatives

Note 8 - Derivatives	6 Months Ended
	Jun. 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 June 30, 2019 December 31, 2018 not

Note 9 - Recently Adopted Accou

Note 9 - Recently Adopted Accounting Pronouncements	6 Months Ended
	Jun. 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, 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	6 Months Ended
	Jun. 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 third fourth 2019. third 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	6 Months Ended
	Jun. 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 six June 30, 2019, three six June 30, 2018, Other Real Estate Owned and repossessed assets not 3 three six June 30, 2019, three six June 30, 2018, 3 There was one June 30, 2019. December 31, 2018. July 9, 2019 The following table presents the Company’s financial assets and financial liabilities carried at fair value on a recurring basis as of June 30, 2019 December 31, 2018: Fair Value Measurements at June 30, 2019 Using 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 Recurring Basis: (In Thousands) Available-for-sale debt securities: U.S. Treasury and government agencies $ - $ 74,707 $ - $ 74,707 Mortgage-backed securities - 363,425 - 363,425 State and municipal securities - 84,311 - 84,311 Corporate debt - 128,933 6,595 135,528 Total assets at fair value $ - $ 651,376 $ 6,595 $ 657,971 Fair Value Measurements at December 31, 2018 Using 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 Recurring Basis: (In Thousands) Available-for-sale debt securities: U.S. Treasury and government agencies $ - $ 76,993 $ - $ 76,993 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 June 30, 2019 December 31, 2018: Fair Value Measurements at June 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 $ - $ - $ 35,574 $ 35,574 Other real estate owned and repossessed assets - - 5,649 5,649 Total assets at fair value $ - $ - $ 41,223 $ 41,223 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 June 30, 2019 December 31, 2018 June 30, 2019 December 31, 2018 Carrying Amount Fair Value Carrying Amount Fair Value (In Thousands) Financial Assets: Level 1 inputs: Cash and due from banks $ 477,893 $ 477,893 $ 458,050 $ 458,050 Level 2 inputs: Federal funds sold 408,289 408,289 223,845 223,845 Mortgage loans held for sale 9,446 9,446 120 121 Level 3 inputs: Held to maturity debt securities 250 250 - - Loans, net 6,860,926 6,791,540 6,464,899 6,398,604 Financial liabilities: Level 2 inputs: Deposits $ 7,404,794 $ 7,407,047 $ 6,915,708 $ 6,910,176 Federal funds purchased 459,449 459,449 288,725 288,725 Other borrowings 64,684 64,624 64,666 64,613

Note 3 - Earnings Per Common _2

Note 3 - Earnings Per Common Share (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended June 30, Six Months Ended June 30, 2019 2018 2019 2018 (In Thousands, Except Shares and Per Share Data) Earnings per common share Weighted average common shares outstanding 53,515,418 53,150,142 53,490,393 53,116,420 Net income available to common stockholders $ 35,602 $ 33,509 $ 70,612 $ 66,112 Basic earnings per common share $ 0.67 $ 0.63 $ 1.32 $ 1.24 Weighted average common shares outstanding 53,515,418 53,150,142 53,490,393 53,116,420 Dilutive effects of assumed conversions and exercise of stock options and warrants 573,689 1,045,881 592,464 1,073,326 Weighted average common and dilutive potential common shares outstanding 54,089,107 54,196,023 54,082,857 54,189,746 Net income available to common stockholders $ 35,602 $ 33,509 $ 70,612 $ 66,112 Diluted earnings per common share $ 0.66 $ 0.62 $ 1.31 $ 1.22

Note 4 - Securities (Tables)

Note 4 - Securities (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Unrealized Gain (Loss) on Investments [Table Text Block]	Amortized Cost Gross Unrealized Gain Gross Unrealized Loss Market Value June 30, 2019: (In Thousands) Securities Available for Sale U.S. Treasury and government sponsored agencies $ 74,342 $ 396 $ (31 ) $ 74,707 Mortgage-backed securities 360,816 3,072 (463 ) 363,425 State and municipal securities 83,984 387 (60 ) 84,311 Corporate debt 133,415 2,130 (17 ) 135,528 Total $ 652,557 $ 5,985 $ (571 ) $ 657,971 Securities Held to Maturity State and municipal securities 250 - - 250 Total $ 250 $ - $ - $ 250 December 31, 2018: Securities Available for Sale U.S. Treasury and government sponsored agencies $ 77,534 $ 78 $ (619 ) $ 76,993 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]	June 30, 2019 December 31, 2018 Amortized Cost Fair Value Amortized Cost Fair Value (In thousands) Debt securities available for sale Due within one year $ 38,284 $ 38,302 $ 38,343 $ 38,225 Due from one to five years 144,968 145,841 167,873 166,380 Due from five to ten years 103,960 105,819 77,811 78,276 Due after ten years 4,529 4,584 2,954 2,999 Mortgage-backed securities 360,816 363,425 309,244 304,304 $ 652,557 $ 657,971 $ 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 Unrealized Losses Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value (In Thousands) June 30, 2019 U.S. Treasury and government sponsored agencies $ - $ - $ (31 ) $ 21,919 $ (31 ) $ 21,919 Mortgage-backed securities (47 ) 17,778 (416 ) 81,383 (463 ) 99,161 State and municipal securities (9 ) 1,681 (51 ) 16,297 (60 ) 17,978 Corporate debt (17 ) 3,765 - - (17 ) 3,765 Total $ (73 ) $ 23,224 $ (498 ) $ 119,599 $ (571 ) $ 142,823 December 31, 2018 U.S. Treasury and government sponsored agencies $ (8 ) $ 1,001 $ (611 ) $ 50,878 $ (619 ) $ 51,880 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)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	June 30, 2019 December 31, 2018 (Dollars In Thousands) Commercial, financial and agricultural $ 2,633,529 $ 2,513,225 Real estate - construction 603,779 533,192 Real estate - mortgage: Owner-occupied commercial 1,538,279 1,463,887 1-4 family mortgage 630,963 621,634 Other mortgage 1,496,512 1,337,068 Subtotal: Real estate - mortgage 3,665,754 3,422,589 Consumer 64,824 64,493 Total Loans 6,967,886 6,533,499 Less: Allowance for loan losses (71,386 ) (68,600 ) Net Loans $ 6,896,500 $ 6,464,899 Commercial, financial and agricultural 37.79 % 38.47 % Real estate - construction 8.67 % 8.16 % Real estate - mortgage: Owner-occupied commercial 22.08 % 22.41 % 1-4 family mortgage 9.05 % 9.51 % Other mortgage 21.48 % 20.46 % Subtotal: Real estate - mortgage 52.61 % 52.39 % Consumer 0.93 % 0.99 % Total Loans 100.00 % 100.00 %
Financing Receivable Credit Quality Indicators [Table Text Block]	June 30, 2019 Pass Special Mention Substandard Doubtful Total (In Thousands) Commercial, financial and agricultural $ 2,560,336 $ 53,434 $ 19,759 $ - $ 2,633,529 Real estate - construction 596,007 5,802 1,970 - 603,779 Real estate - mortgage: Owner-occupied commercial 1,512,146 11,818 14,315 - 1,538,279 1-4 family mortgage 627,829 1,191 1,943 - 630,963 Other mortgage 1,472,083 17,904 6,525 - 1,496,512 Total real estate mortgage 3,612,058 30,913 22,783 - 3,665,754 Consumer 64,775 49 - - 64,824 Total $ 6,833,176 $ 90,198 $ 44,512 $ - $ 6,967,886 December 31, 2018 Pass Special 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]	June 30, 2019 Performing Nonperforming Total (In Thousands) Commercial, financial and agricultural $ 2,617,692 $ 15,837 $ 2,633,529 Real estate - construction 603,541 238 603,779 Real estate - mortgage: Owner-occupied commercial 1,534,721 3,558 1,538,279 1-4 family mortgage 628,494 2,469 630,963 Other mortgage 1,486,500 10,012 1,496,512 Total real estate mortgage 3,649,715 16,039 3,665,754 Consumer 64,799 25 64,824 Total $ 6,935,747 $ 32,139 $ 6,967,886 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]	June 30, 2019 Past Due Status (Accruing Loans) 30-59 Days 60-89 Days 90+ Days Total Past Due Non-Accrual Current Total Loans (In Thousands) Commercial, financial and agricultural $ 69 $ 75 $ 4,756 $ 4,900 $ 11,081 $ 2,617,548 $ 2,633,529 Real estate - construction - - - - 238 603,541 603,779 Real estate - mortgage: Owner-occupied commercial 15,350 929 - 16,279 3,558 1,518,442 1,538,279 1-4 family mortgage 549 125 528 1,202 1,941 627,820 630,963 Other mortgage 1,543 - 4,990 6,533 5,022 1,484,957 1,496,512 Total real estate - mortgage 17,442 1,054 5,518 24,014 10,521 3,631,219 3,665,754 Consumer 24 4 25 53 - 64,771 64,824 Total $ 17,535 $ 1,133 $ 10,299 $ 28,967 $ 21,840 $ 6,917,079 $ 6,967,886 December 31, 2018 Past Due Status (Accruing Loans) 30-59 Days 60-89 Days 90+ Days Total Past 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 agricultural Real estate - construction Real estate - mortgage Consumer Total (In Thousands) Three Months Ended June 30, 2019 Allowance for loan losses: Balance at March 31, 2019 $ 39,459 $ 3,595 $ 26,711 $ 442 $ 70,207 Charge-offs (3,610 ) - (169 ) (63 ) (3,842 ) Recoveries 117 - 4 16 137 Provision 2,743 (176 ) 2,237 80 4,884 Balance at June 30, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 Three Months Ended June 30, 2018 Allowance for loan losses: Balance at March 31, 2018 $ 35,787 $ 4,138 $ 21,606 $ 519 $ 62,050 Charge-offs (1,732 ) - (440 ) (47 ) (2,219 ) Recoveries 173 97 2 15 287 Provision 1,950 (173 ) 2,270 74 4,121 Balance at June 30, 2018 $ 36,178 $ 4,062 $ 23,438 $ 561 $ 64,239 Six Months Ended June 30, 2019 Allowance for loan losses: Balance at December 31, 2018 $ 39,016 $ 3,522 $ 25,508 $ 554 $ 68,600 Charge-offs (6,647 ) - (219 ) (281 ) (7,147 ) Recoveries 129 1 11 23 164 Provision 6,211 (104 ) 3,483 179 9,769 Balance at June 30, 2019 $ 38,709 $ 3,419 $ 28,783 $ 475 $ 71,386 Six Months Ended June 30, 2018 Allowance for loan losses: Balance at December 31, 2017 $ 32,880 $ 4,989 $ 21,022 $ 515 $ 59,406 Charge-offs (2,820 ) - (821 ) (135 ) (3,776 ) Recoveries 177 104 44 24 349 Provision 5,941 (1,031 ) 3,193 157 8,260 Balance at June 30, 2018 $ 36,178 $ 4,062 $ 23,438 $ 561 $ 64,239 As of June 30, 2019 Allowance for loan losses: Individually Evaluated for Impairment $ 5,201 $ 110 $ 4,805 $ - $ 10,116 Collectively Evaluated for Impairment 33,508 3,309 23,978 475 61,270 Loans: Ending Balance $ 2,633,529 $ 603,779 $ 3,665,754 $ 64,824 $ 6,967,886 Individually Evaluated for Impairment 19,783 2,004 23,903 - 45,690 Collectively Evaluated for Impairment 2,613,746 601,775 3,641,851 64,824 6,922,196 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]	June 30, 2019 For the three months ended June 30, 2019 For the six months ended June 30, 2019 Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized in Period Average Recorded Investment Interest Income Recognized in Period (In Thousands) With no allowance recorded: Commercial, financial and agricultural $ 1,769 $ 1,769 $ - $ 1,769 $ 20 $ 1,769 $ 52 Real estate - construction 416 420 - 420 6 437 13 Real estate - mortgage: Owner-occupied commercial 1,083 1,179 - 1,184 16 1,143 33 1-4 family mortgage 472 472 - 475 - 487 - Other mortgage - - - - - - - Total real estate - mortgage 1,555 1,651 - 1,659 16 1,630 33 Consumer - - - - - - - Total with no allowance recorded 3,740 3,840 - 3,848 42 3,836 98 With an allowance recorded: Commercial, financial and agricultural 18,014 23,761 5,201 20,253 71 21,520 234 Real estate - construction 1,588 1,588 110 1,588 20 1,640 40 Real estate - mortgage: Owner-occupied commercial 14,349 14,349 2,402 13,208 207 13,724 425 1-4 family mortgage 1,469 1,469 196 1,473 (1 ) 1,475 1 Other mortgage 6,530 6,530 2,207 6,530 23 6,452 44 Total real estate - mortgage 22,348 22,348 4,805 21,211 229 21,651 470 Consumer - - - - - - - Total with allowance recorded 41,950 47,697 10,116 43,052 320 44,811 744 Total Impaired Loans: Commercial, financial and agricultural 19,783 25,530 5,201 22,022 91 23,289 286 Real estate - construction 2,004 2,008 110 2,008 26 2,077 53 Real estate - mortgage: Owner-occupied commercial 15,432 15,528 2,402 14,392 223 14,867 458 1-4 family mortgage 1,941 1,941 196 1,948 (1 ) 1,962 1 Other mortgage 6,530 6,530 2,207 6,530 23 6,452 44 Total real estate - mortgage 23,903 23,999 4,805 22,870 245 23,281 503 Consumer - - - - - - - Total impaired loans $ 45,690 $ 51,537 $ 10,116 $ 46,900 $ 362 $ 48,647 $ 842 December 31, 2018 For the twelve months ended December 31, 2018 Recorded Investment Unpaid Principal Balance Related Allowance Average Recorded Investment Interest Income Recognized in 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 June 30, 2019 Six Months Ended June 30, 2019 Number of Contracts Pre- Modification Outstanding Recorded Investment Post- Modification Outstanding Recorded Investment Number of Contracts Pre- Modification Outstanding Recorded Investment Post- Modification Outstanding Recorded Investment (In Thousands) Troubled Debt Restructurings Commercial, financial and agricultural 1 $ 2,742 $ 2,742 1 $ 2,742 $ 2,742 Real estate - construction - - - - - - Real estate - mortgage: Owner-occupied commercial - - - - - - 1-4 family mortgage - - - - - - Other mortgage - - - - - - Total real estate mortgage - - - - - - Consumer - - - - - - 1 $ 2,742 $ 2,742 1 $ 2,742 $ 2,742 Three Months Ended June 30, Six Months Ended June 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 $ - $ 268 $ 325 $ 268 Real estate - construction - - - - Real estate - mortgage: Owner-occupied commercial - - - - 1-4 family mortgage - - - - Other mortgage - - - - Total real estate mortgage - - - - Consumer - - - - $ - $ 268 $ 325 $ 268

Note 6 - Leases (Tables)

Note 6 - Leases (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	June 30, 2019 (In Thousands) 2019 (remaining) $ 1,582 2020 3,197 2021 2,584 2022 2,606 2023 2,185 thereafter 3,749 Total lease payments 15,903 Less: imputed interest (2,756 ) Present value of operating lease liabilities $ 13,147
Lease, Cost [Table Text Block]	Three Months Ended June 30, 2019 Operating lease cost $ 842 Short-term lease cost 7 Variable lease cost 52 Sublease income (6 ) Net lease cost $ 895 Six Months Ended June 30, 2019 Operating lease cost $ 1,691 Short-term lease cost 13 Variable lease cost 102 Sublease income (12 ) Net lease cost $ 1,794

Note 7 - Employee and Directo_2

Note 7 - Employee and Director Benefits (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]	2019 2018 Expected volatility 40.00 % 24.13 % Expected dividends 1.74 % 1.06 % Expected term (in years) 6.7 6.3 Risk-free rate 2.55 % 2.67 %
Share-based Payment Arrangement, Option, Activity [Table Text Block]	Shares Weighted Average Exercise Price Weighted Average Remaining Contractual Term (years) Aggregate Intrinsic Value (In Thousands) Six Months Ended June 30, 2019: Outstanding at January 1, 2019 1,238,748 $ 13.02 5.2 $ 23,355 Granted 10,500 34.44 9.7 (2 ) Exercised (188,500 ) 5.58 1.8 5,014 Forfeited (13,000 ) 29.93 7.4 56 Outstanding at June 30, 2019 1,047,748 $ 14.37 5.3 $ 21,233 Exercisable at June 30, 2019 328,800 $ 8.13 3.7 $ 8,964 Six Months Ended June 30, 2018: Outstanding at January 1, 2018 1,666,834 $ 10.68 5.5 $ 51,377 Granted 12,750 41.50 9.7 (9 ) Exercised (175,836 ) 4.90 3.1 6,317 Forfeited (6,000 ) 19.50 7.7 128 Outstanding at June 30, 2018 1,497,748 $ 11.58 5.3 $ 43,787 Exercisable at June 30, 2018 748,600 $ 7.34 3.9 $ 25,811
Nonvested Restricted Stock Shares Activity [Table Text Block]	Shares Weighted Average Grant Date Fair Value Six Months Ended June 30, 2019: Non-vested at January 1, 2019 44,076 $ 38.44 Granted 23,474 34.03 Vested (5,200 ) 20.31 Forfeited (2,500 ) 38.17 Non-vested at June 30, 2019 59,850 $ 38.95 Six Months Ended June 30, 2018: Non-vested at January 1, 2018 120,676 $ 10.29 Granted 11,850 41.29 Vested (61,700 ) 5.81 Forfeited - - Non-vested at June 30, 2018 70,826 $ 19.38

Note 11 - Fair Value Measurem_2

Note 11 - Fair Value Measurement (Tables)	6 Months Ended
	Jun. 30, 2019
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Fair Value Measurements at June 30, 2019 Using 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 Recurring Basis: (In Thousands) Available-for-sale debt securities: U.S. Treasury and government agencies $ - $ 74,707 $ - $ 74,707 Mortgage-backed securities - 363,425 - 363,425 State and municipal securities - 84,311 - 84,311 Corporate debt - 128,933 6,595 135,528 Total assets at fair value $ - $ 651,376 $ 6,595 $ 657,971 Fair Value Measurements at December 31, 2018 Using 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 Recurring Basis: (In Thousands) Available-for-sale debt securities: U.S. Treasury and government agencies $ - $ 76,993 $ - $ 76,993 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 June 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 $ - $ - $ 35,574 $ 35,574 Other real estate owned and repossessed assets - - 5,649 5,649 Total assets at fair value $ - $ - $ 41,223 $ 41,223 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]	June 30, 2019 December 31, 2018 Carrying Amount Fair Value Carrying Amount Fair Value (In Thousands) Financial Assets: Level 1 inputs: Cash and due from banks $ 477,893 $ 477,893 $ 458,050 $ 458,050 Level 2 inputs: Federal funds sold 408,289 408,289 223,845 223,845 Mortgage loans held for sale 9,446 9,446 120 121 Level 3 inputs: Held to maturity debt securities 250 250 - - Loans, net 6,860,926 6,791,540 6,464,899 6,398,604 Financial liabilities: Level 2 inputs: Deposits $ 7,404,794 $ 7,407,047 $ 6,915,708 $ 6,910,176 Federal funds purchased 459,449 459,449 288,725 288,725 Other borrowings 64,684 64,624 64,666 64,613

Note 1 - General (Details Textu

Note 1 - General (Details Textual)	Jun. 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		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Weighted average common shares outstanding (in shares)	53,515,418	53,150,142	53,490,393	53,116,420
Net income available to common stockholders	$ 35,602	$ 33,509	$ 70,612	$ 66,112
Basic earnings per common share (in dollars per share)	$ 0.67	$ 0.63	$ 1.32	$ 1.24
Dilutive effects of assumed conversions and exercise of stock options and warrants (in shares)	573,689	1,045,881	592,464	1,073,326
Weighted average common and dilutive potential common shares outstanding (in shares)	54,089,107	54,196,023	54,082,857	54,189,746
Net income available to common stockholders	$ 35,602	$ 33,509	$ 70,612	$ 66,112
Diluted earnings per common share (in dollars per share)	$ 0.66	$ 0.62	$ 1.31	$ 1.22

Note 4 - Securities (Details Te

Note 4 - Securities (Details Textual) $ in Thousands	6 Months Ended
	Jun. 30, 2019USD ($)	Dec. 31, 2018USD ($)
Pledged Financial Instruments, Not Separately Reported, Securities, Total	$ 334,100	$ 281,900
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions	142
Available for Sale Securities Debt Securities, Number of Positions	726
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	Jun. 30, 2019	Dec. 31, 2018
Available for sale, amortized cost	$ 652,557	$ 596,225
Available for sale, gross unrealized gain	5,985	1,545
Available for sale, gross unrealized loss	(571)	(7,586)
Available for sale, fair value	657,971	590,184
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 and Government [Member]
Available for sale, amortized cost	74,342	77,534
Available for sale, gross unrealized gain	396	78
Available for sale, gross unrealized loss	(31)	(619)
Available for sale, fair value	74,707	76,993
Collateralized Mortgage Backed Securities [Member]
Available for sale, amortized cost	360,816	309,244
Available for sale, gross unrealized gain	3,072	591
Available for sale, gross unrealized loss	(463)	(5,531)
Available for sale, fair value	363,425	304,304
US States and Political Subdivisions Debt Securities [Member]
Available for sale, amortized cost	83,984	106,465
Available for sale, gross unrealized gain	387	208
Available for sale, gross unrealized loss	(60)	(679)
Available for sale, fair value	84,311	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	133,415	102,982
Available for sale, gross unrealized gain	2,130	668
Available for sale, gross unrealized loss	(17)	(757)
Available for sale, fair value	$ 135,528	$ 102,893

Note 4 - Securities - Amortiz_2

Note 4 - Securities - Amortized Cost and Fair Value of Contractual Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Due within one year, amortized cost	$ 38,284	$ 38,343
Due within one year, fair value	38,302	38,225
Due from one to five years, amortized cost	144,968	167,873
Due from one to five years, fair value	145,841	166,380
Due from five to ten years, amortized cost	103,960	77,811
Due from five to ten years, fair value	105,819	78,276
Due after ten years, amortized cost	4,529	2,954
Due after ten years, fair value	4,584	2,999
Mortgage-backed securities, amortized cost	360,816	309,244
Mortgage-backed securities, fair value	363,425	304,304
Available for sale, amortized cost	652,557	596,225
Available for sale, fair value	657,971	590,184
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
Held to maturity debt securities, fair value	$ 250	$ 0

Note 4 - Securities - Investmen

Note 4 - Securities - Investment Securities Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Less Than Twelve Months, Gross Unrealized Losses	$ (73)	$ (963)
Less Than Twelve Months, Fair Value	23,224	125,788
Twelve Months or More, Gross Unrealized Losses	(498)	(6,623)
Twelve Months or More, Fair Value	119,599	320,802
Total, Gross Unrealized Losses	(571)	(7,586)
Total, Fair Value	142,823	446,590
US Treasury and Government [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	(31)	(611)
Twelve Months or More, Fair Value	21,919	50,878
Total, Gross Unrealized Losses	(31)	(619)
Total, Fair Value	21,919	51,880
Collateralized Mortgage Backed Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(47)	(539)
Less Than Twelve Months, Fair Value	17,778	67,721
Twelve Months or More, Gross Unrealized Losses	(416)	(4,992)
Twelve Months or More, Fair Value	81,383	204,260
Total, Gross Unrealized Losses	(463)	(5,531)
Total, Fair Value	99,161	271,981
US States and Political Subdivisions Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(9)	(101)
Less Than Twelve Months, Fair Value	1,681	20,821
Twelve Months or More, Gross Unrealized Losses	(51)	(578)
Twelve Months or More, Fair Value	16,297	52,190
Total, Gross Unrealized Losses	(60)	(679)
Total, Fair Value	17,978	73,011
Corporate Debt Securities [Member]
Less Than Twelve Months, Gross Unrealized Losses	(17)	(315)
Less Than Twelve Months, Fair Value	3,765	36,245
Twelve Months or More, Gross Unrealized Losses	0	(442)
Twelve Months or More, Fair Value	0	13,474
Total, Gross Unrealized Losses	(17)	(757)
Total, Fair Value	$ 3,765	$ 49,718

Note 5 - Loans (Details Textual

Note 5 - Loans (Details Textual) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019USD ($)	Jun. 30, 2018USD ($)	Jun. 30, 2019USD ($)	Jun. 30, 2018USD ($)	Dec. 31, 2018USD ($)
Financing Receivable, Troubled Debt Restructuring	$ 11.3	$ 17.3	$ 11.3	$ 17.3	$ 14.6
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down			$ 2	$ 3.6	$ 4.3
Financing Receivable, Modifications, Number of Contracts	1	0	1	0

Note 5 - Loans - Summary of Loa

Note 5 - Loans - Summary of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Financing receivable, gross	$ 6,967,886		$ 6,533,499
Less: Allowance for loan losses	(71,386)	$ (70,207)	(68,600)	$ (64,239)	$ (62,050)	$ (59,406)
Net Loans	$ 6,896,500		$ 6,464,899
Financing receivable, gross, percentage	100.00%		100.00%
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	$ 2,633,529		$ 2,513,225
Less: Allowance for loan losses	$ (38,709)	(39,459)	$ (39,016)	(36,178)	(35,787)	(32,880)
Financing receivable, gross, percentage	37.79%		38.47%
Real Estate Portfolio Segment[Member]
Financing receivable, gross	$ 3,665,754		$ 3,422,589
Financing receivable, gross, percentage	52.61%		52.39%
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	$ 603,779		$ 533,192
Less: Allowance for loan losses	$ (3,419)	(3,595)	$ (3,522)	(4,062)	(4,138)	(4,989)
Financing receivable, gross, percentage	8.67%		8.16%
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	$ 1,538,279		$ 1,463,887
Financing receivable, gross, percentage	22.08%		22.41%
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	$ 630,963		$ 621,634
Financing receivable, gross, percentage	9.05%		9.51%
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	$ 1,496,512		$ 1,337,068
Financing receivable, gross, percentage	21.48%		20.46%
Consumer Portfolio Segment [Member]
Financing receivable, gross	$ 64,824		$ 64,493
Less: Allowance for loan losses	$ (475)	$ (442)	$ (554)	$ (561)	$ (519)	$ (515)
Financing receivable, gross, percentage	0.93%		0.99%

Note 5 - Loans - Loans by Credi

Note 5 - Loans - Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Financing receivable, gross	$ 6,967,886	$ 6,533,499
Pass [Member]
Financing receivable, gross	6,833,176	6,394,484
Special Mention [Member]
Financing receivable, gross	90,198	102,259
Substandard [Member]
Financing receivable, gross	44,512	36,756
Doubtful [Member]
Financing receivable, gross	0	0
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	2,633,529	2,513,225
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Financing receivable, gross	2,560,336	2,447,052
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Financing receivable, gross	53,434	47,754
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Financing receivable, gross	19,759	18,419
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
Financing receivable, gross	0	0
Real Estate Portfolio Segment[Member]
Financing receivable, gross	3,665,754	3,422,589
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	603,779	533,192
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,538,279	1,463,887
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	630,963	621,634
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	1,496,512	1,337,068
Real Estate Portfolio Segment[Member] | Pass [Member]
Financing receivable, gross	3,612,058	3,357,967
Real Estate Portfolio Segment[Member] | Pass [Member] | Construction Loans [Member]
Financing receivable, gross	596,007	525,021
Real Estate Portfolio Segment[Member] | Pass [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,512,146	1,431,982
Real Estate Portfolio Segment[Member] | Pass [Member] | One to Four Family [Member]
Financing receivable, gross	627,829	616,884
Real Estate Portfolio Segment[Member] | Pass [Member] | Other Mortgages [Member]
Financing receivable, gross	1,472,083	1,309,101
Real Estate Portfolio Segment[Member] | Special Mention [Member]
Financing receivable, gross	30,913	47,756
Real Estate Portfolio Segment[Member] | Special Mention [Member] | Construction Loans [Member]
Financing receivable, gross	5,802	6,749
Real Estate Portfolio Segment[Member] | Special Mention [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	11,818	28,547
Real Estate Portfolio Segment[Member] | Special Mention [Member] | One to Four Family [Member]
Financing receivable, gross	1,191	2,703
Real Estate Portfolio Segment[Member] | Special Mention [Member] | Other Mortgages [Member]
Financing receivable, gross	17,904	16,506
Real Estate Portfolio Segment[Member] | Substandard [Member]
Financing receivable, gross	22,783	16,866
Real Estate Portfolio Segment[Member] | Substandard [Member] | Construction Loans [Member]
Financing receivable, gross	1,970	1,422
Real Estate Portfolio Segment[Member] | Substandard [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	14,315	3,358
Real Estate Portfolio Segment[Member] | Substandard [Member] | One to Four Family [Member]
Financing receivable, gross	1,943	2,047
Real Estate Portfolio Segment[Member] | Substandard [Member] | Other Mortgages [Member]
Financing receivable, gross	6,525	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	64,824	64,493
Consumer Portfolio Segment [Member] | Pass [Member]
Financing receivable, gross	64,775	64,444
Consumer Portfolio Segment [Member] | Special Mention [Member]
Financing receivable, gross	49	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	Jun. 30, 2019	Dec. 31, 2018
Financing receivable, gross	$ 6,967,886	$ 6,533,499
Performing Financial Instruments [Member]
Financing receivable, gross	6,935,747	6,505,729
Nonperforming Financial Instruments [Member]
Financing receivable, gross	32,139	27,770
Commercial Real Estate Portfolio Segment [Member]
Financing receivable, gross	2,633,529	2,513,225
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing receivable, gross	2,617,692	2,502,117
Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	15,837	11,108
Real Estate Portfolio Segment[Member]
Financing receivable, gross	3,665,754	3,422,589
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Financing receivable, gross	603,779	533,192
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,538,279	1,463,887
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Financing receivable, gross	630,963	621,634
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Financing receivable, gross	1,496,512	1,337,068
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member]
Financing receivable, gross	3,649,715	3,407,032
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member]
Financing receivable, gross	603,541	532,195
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	1,534,721	1,460,529
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member]
Financing receivable, gross	628,494	619,465
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member]
Financing receivable, gross	1,486,500	1,327,038
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	16,039	15,557
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member]
Financing receivable, gross	238	997
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Owner Occupied Commercial [Member]
Financing receivable, gross	3,558	3,358
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member]
Financing receivable, gross	2,469	2,169
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member]
Financing receivable, gross	10,012	10,030
Consumer Portfolio Segment [Member]
Financing receivable, gross	64,824	64,493
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing receivable, gross	64,799	64,385
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing receivable, gross	$ 25	$ 108

Note 5 - Loans - Loans Categori

Note 5 - Loans - Loans Categorized by Past Due Status (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Accrual loans, past due	$ 28,967	$ 11,002
Non-accrual	21,840	21,926
Current	6,917,079	6,500,571
Total loans	6,967,886	6,533,499
Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	17,535	3,400
Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	1,133	1,758
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	10,299	5,844
Commercial Real Estate Portfolio Segment [Member]
Accrual loans, past due	4,900	1,875
Non-accrual	11,081	10,503
Current	2,617,548	2,500,847
Total loans	2,633,529	2,513,225
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	69	1,222
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	75	48
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	4,756	605
Real Estate Portfolio Segment[Member]
Accrual loans, past due	24,014	7,486
Non-accrual	10,521	10,426
Current	3,631,219	3,404,677
Total loans	3,665,754	3,422,589
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Accrual loans, past due	0	1,352
Non-accrual	238	997
Current	603,541	530,843
Total loans	603,779	533,192
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	16,279	412
Non-accrual	3,558	3,358
Current	1,518,442	1,460,117
Total loans	1,538,279	1,463,887
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Accrual loans, past due	1,202	892
Non-accrual	1,941	2,046
Current	627,820	618,696
Total loans	630,963	621,634
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]
Accrual loans, past due	6,533	6,182
Non-accrual	5,022	5,022
Current	1,484,957	1,325,864
Total loans	1,496,512	1,337,068
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	17,442	2,120
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member]
Accrual loans, past due	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Commercial [Member]
Accrual loans, past due	15,350	412
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | One to Four Family [Member]
Accrual loans, past due	549	534
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Other Mortgages [Member]
Accrual loans, past due	1,543	1,174
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	1,054	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	929	0
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | One to Four Family [Member]
Accrual loans, past due	125	235
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Other Mortgages [Member]
Accrual loans, past due	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	5,518	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	0	0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | One to Four Family [Member]
Accrual loans, past due	528	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	4,990	5,008
Consumer Portfolio Segment [Member]
Accrual loans, past due	53	289
Non-accrual	0	0
Current	64,771	64,204
Total loans	64,824	64,493
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Accrual loans, past due	24	58
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Accrual loans, past due	4	123
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Accrual loans, past due	$ 25	$ 108

Note 5 - Loans - Analysis of Al

Note 5 - Loans - Analysis of Allowance for Loans Losses by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Balance, beginning of period	$ 70,207	$ 62,050	$ 68,600	$ 59,406
Charge-offs	(3,842)	(2,219)	(7,147)	(3,776)
Recoveries	137	287	164	349
Provision	4,884	4,121	9,769	8,260
Balance, end of period	71,386	64,239	71,386	64,239
Individually Evaluated for Impairment	10,116		10,116		$ 8,128
Collectively Evaluated for Impairment	61,270		61,270		60,472
Ending Balance	6,967,886		6,967,886		6,533,499
Individually Evaluated for Impairment	45,690		45,690		38,591
Collectively Evaluated for Impairment	6,922,196		6,922,196		6,494,908
Commercial Real Estate Portfolio Segment [Member]
Balance, beginning of period	39,459	35,787	39,016	32,880
Charge-offs	(3,610)	(1,732)	(6,647)	(2,820)
Recoveries	117	173	129	177
Provision	2,743	1,950	6,211	5,941
Balance, end of period	38,709	36,178	38,709	36,178
Individually Evaluated for Impairment	5,201		5,201		6,066
Collectively Evaluated for Impairment	33,508		33,508		32,950
Ending Balance	2,633,529		2,633,529		2,513,225
Individually Evaluated for Impairment	19,783		19,783		18,444
Collectively Evaluated for Impairment	2,613,746		2,613,746		2,494,781
Real Estate Portfolio Segment[Member]
Ending Balance	3,665,754		3,665,754		3,422,589
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Balance, beginning of period	3,595	4,138	3,522	4,989
Charge-offs	0	0	0	0
Recoveries	0	97	1	104
Provision	(176)	(173)	(104)	(1,031)
Balance, end of period	3,419	4,062	3,419	4,062
Individually Evaluated for Impairment	110		110		126
Collectively Evaluated for Impairment	3,309		3,309		3,396
Ending Balance	603,779		603,779		533,192
Individually Evaluated for Impairment	2,004		2,004		1,461
Collectively Evaluated for Impairment	601,775		601,775		531,731
Real Estate Portfolio Segment[Member] | Real Estate Loan [Member]
Balance, beginning of period	26,711	21,606	25,508	21,022
Charge-offs	(169)	(440)	(219)	(821)
Recoveries	4	2	11	44
Provision	2,237	2,270	3,483	3,193
Balance, end of period	28,783	23,438	28,783	23,438
Individually Evaluated for Impairment	4,805		4,805		1,887
Collectively Evaluated for Impairment	23,978		23,978		23,621
Ending Balance	3,665,754		3,665,754		3,422,589
Individually Evaluated for Impairment	23,903		23,903		18,637
Collectively Evaluated for Impairment	3,641,851		3,641,851		3,403,952
Consumer Portfolio Segment [Member]
Balance, beginning of period	442	519	554	515
Charge-offs	(63)	(47)	(281)	(135)
Recoveries	16	15	23	24
Provision	80	74	179	157
Balance, end of period	475	$ 561	475	$ 561
Individually Evaluated for Impairment	0		0		49
Collectively Evaluated for Impairment	475		475		505
Ending Balance	64,824		64,824		64,493
Individually Evaluated for Impairment	0		0		49
Collectively Evaluated for Impairment	$ 64,824		$ 64,824		$ 64,444

Note 5 - Loans - Summary of Imp

Note 5 - Loans - Summary of Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Dec. 31, 2018
Recorded investment, with no allowance	$ 3,740	$ 3,740	$ 14,423
Unpaid principal balance, with no allowance	3,840	3,840	14,610
Average recorded investment, with no allowance	3,848	3,836	15,110
Interest income recognized in period, with no allowance	42	98	658
Average recorded investment, with no allowance	3,848	3,836	15,110
Recorded investment, with an allowance	41,950	41,950	24,168
Unpaid principal balance, with an allowance	47,697	47,697	31,929
Related allowance	10,116	10,116	8,128
Average recorded investment, with an allowance	43,052	44,811	27,901
Interest income recognized in period, with an allowance	320	744	848
Average recorded investment, with an allowance	43,052	44,811	27,901
Recorded investment	45,690	45,690	38,591
Unpaid principal balance	51,537	51,537	46,539
Average recorded investment	46,900	48,647	43,011
Interest income recognized in period	362	842	1,506
Average recorded investment	46,900	48,647	43,011
Commercial Real Estate Portfolio Segment [Member]
Recorded investment, with no allowance	1,769	1,769	6,064
Unpaid principal balance, with no allowance	1,769	1,769	6,064
Average recorded investment, with no allowance	1,769	1,769	6,142
Interest income recognized in period, with no allowance	20	52	237
Average recorded investment, with no allowance	1,769	1,769	6,142
Recorded investment, with an allowance	18,014	18,014	12,380
Unpaid principal balance, with an allowance	23,761	23,761	20,141
Related allowance	5,201	5,201	6,066
Average recorded investment, with an allowance	20,253	21,520	15,918
Interest income recognized in period, with an allowance	71	234	462
Average recorded investment, with an allowance	20,253	21,520	15,918
Recorded investment	19,783	19,783	18,444
Unpaid principal balance	25,530	25,530	26,205
Average recorded investment	22,022	23,289	22,060
Interest income recognized in period	91	286	699
Average recorded investment	22,022	23,289	22,060
Real Estate Portfolio Segment[Member]
Recorded investment, with no allowance	1,555	1,555	7,895
Unpaid principal balance, with no allowance	1,651	1,651	8,079
Average recorded investment, with no allowance	1,659	1,630	8,444
Interest income recognized in period, with no allowance	16	33	393
Average recorded investment, with no allowance	1,659	1,630	8,444
Recorded investment, with an allowance	22,348	22,348	10,742
Unpaid principal balance, with an allowance	22,348	22,348	10,742
Related allowance	4,805	4,805	1,887
Average recorded investment, with an allowance	21,211	21,651	10,937
Interest income recognized in period, with an allowance	229	470	352
Average recorded investment, with an allowance	21,211	21,651	10,937
Recorded investment	23,903	23,903	18,637
Unpaid principal balance	23,999	23,999	18,821
Average recorded investment	22,870	23,281	19,381
Interest income recognized in period	245	503	745
Average recorded investment	22,870	23,281	19,381
Real Estate Portfolio Segment[Member] | Construction Loans [Member]
Recorded investment, with no allowance	416	416	464
Unpaid principal balance, with no allowance	420	420	467
Average recorded investment, with no allowance	420	437	524
Interest income recognized in period, with no allowance	6	13	28
Average recorded investment, with no allowance	420	437	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	1,640	997
Interest income recognized in period, with an allowance	20	40	31
Average recorded investment, with an allowance	1,588	1,640	997
Recorded investment	2,004	2,004	1,461
Unpaid principal balance	2,008	2,008	1,464
Average recorded investment	2,008	2,077	1,521
Interest income recognized in period	26	53	59
Average recorded investment	2,008	2,077	1,521
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]
Recorded investment, with no allowance	1,083	1,083	1,763
Unpaid principal balance, with no allowance	1,179	1,179	1,947
Average recorded investment, with no allowance	1,184	1,143	2,223
Interest income recognized in period, with no allowance	16	33	120
Average recorded investment, with no allowance	1,184	1,143	2,223
Recorded investment, with an allowance	14,349	14,349	3,358
Unpaid principal balance, with an allowance	14,349	14,349	3,358
Related allowance	2,402	2,402	99
Average recorded investment, with an allowance	13,208	13,724	3,364
Interest income recognized in period, with an allowance	207	425	105
Average recorded investment, with an allowance	13,208	13,724	3,364
Recorded investment	15,432	15,432	5,121
Unpaid principal balance	15,528	15,528	5,305
Average recorded investment	14,392	14,867	5,587
Interest income recognized in period	223	458	225
Average recorded investment	14,392	14,867	5,587
Real Estate Portfolio Segment[Member] | One to Four Family [Member]
Recorded investment, with no allowance	472	472	1,071
Unpaid principal balance, with no allowance	472	472	1,071
Average recorded investment, with no allowance	475	487	1,088
Interest income recognized in period, with no allowance	0	0	21
Average recorded investment, with no allowance	475	487	1,088
Recorded investment, with an allowance	1,469	1,469	975
Unpaid principal balance, with an allowance	1,469	1,469	975
Related allowance	196	196	208
Average recorded investment, with an allowance	1,473	1,475	975
Interest income recognized in period, with an allowance			30
Average recorded investment, with an allowance	1,473	1,475	975
Interest income recognized in period, with an allowance	(1)	1
Recorded investment	1,941	1,941	2,046
Unpaid principal balance	1,941	1,941	2,046
Average recorded investment	1,948	1,962	2,063
Interest income recognized in period			51
Interest income recognized in period	(1)	1
Average recorded investment	1,948	1,962	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	6,530	6,530	6,409
Unpaid principal balance, with an allowance	6,530	6,530	6,409
Related allowance	2,207	2,207	1,580
Average recorded investment, with an allowance	6,530	6,452	6,598
Interest income recognized in period, with an allowance	23	44	217
Average recorded investment, with an allowance	6,530	6,452	6,598
Recorded investment	6,530	6,530	11,470
Unpaid principal balance	6,530	6,530	11,470
Average recorded investment	6,530	6,452	11,731
Interest income recognized in period	23	44	469
Average recorded investment	6,530	6,452	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		6 Months Ended
	Jun. 30, 2019USD ($)	Jun. 30, 2018USD ($)	Jun. 30, 2019USD ($)	Jun. 30, 2018USD ($)
Number of Contracts	1	0	1	0
Pre- Modification Outstanding Recorded Investment	$ 2,742		$ 2,742
Post- Modification Outstanding Recorded Investment	2,742		2,742
Defaulted during the period, where modified in a TDR twelve months prior to default	$ 0	$ 268	$ 325	$ 268
Commercial Real Estate Portfolio Segment [Member]
Number of Contracts	1		1
Pre- Modification Outstanding Recorded Investment	$ 2,742		$ 2,742
Post- Modification Outstanding Recorded Investment	2,742		2,742
Defaulted during the period, where modified in a TDR twelve months prior to default	$ 0	268	$ 325	268
Real Estate Portfolio Segment[Member]
Number of Contracts	0		0
Pre- Modification Outstanding Recorded Investment	$ 0		$ 0
Post- Modification Outstanding Recorded Investment	0		0
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		0
Pre- Modification Outstanding Recorded Investment	$ 0		$ 0
Post- Modification Outstanding Recorded Investment	0		0
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		0
Pre- Modification Outstanding Recorded Investment	$ 0		$ 0
Post- Modification Outstanding Recorded Investment	0		0
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		0
Pre- Modification Outstanding Recorded Investment	$ 0		$ 0
Post- Modification Outstanding Recorded Investment	0		0
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
Pre- Modification Outstanding Recorded Investment	$ 0		$ 0
Post- Modification Outstanding Recorded Investment	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
Pre- Modification Outstanding Recorded Investment	$ 0		$ 0
Post- Modification Outstanding Recorded Investment	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	6 Months Ended
	Jun. 30, 2019USD ($)	Jun. 30, 2019USD ($)
Lessee Operating Lease, Remaining Lease Term		9 years 8 months 12 days
Operating Lease, Liability, Total	$ 13,147,000	$ 13,147,000
Operating Lease, Weighted Average Remaining Lease Term	6 years	6 years
Operating Lease, Weighted Average Discount Rate, Percent	5.00%	5.00%
Operating Lease, Payments	$ 786,000	$ 1,563,000
Other Liabilities [Member]
Operating Lease, Liability, Total	13,100,000	13,100,000
Other Assets [Member]
Operating Lease, Right-of-Use Asset	$ 13,100,000	$ 13,100,000

Note 6 - Leases - Maturities of

Note 6 - Leases - Maturities of Operating Lease Liabilities (Details) $ in Thousands	Jun. 30, 2019USD ($)
2019 (remaining)	$ 1,582
2020	3,197
2021	2,584
2022	2,606
2023	2,185
thereafter	3,749
Total lease payments	15,903
Less: imputed interest	(2,756)
Present value of operating lease liabilities	$ 13,147

Note 6 - Leases - Lease Cost (D

Note 6 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Operating lease cost	$ 842	$ 1,691
Short-term lease cost	7	13
Variable lease cost	52	102
Sublease income	(6)	(12)
Net lease cost	$ 895	$ 1,794

Note 7 - Employee and Directo_3

Note 7 - Employee and Director Benefits (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Share-based Payment Arrangement, Noncash Expense, Total	$ 206,000	$ 244,000	$ 488,000	$ 482,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value			$ 12.60	$ 10.95
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	1,374,000		$ 1,374,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition			1 year 6 months
Restricted Stock [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 1,316,000		$ 1,316,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition			2 years 10 months 24 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]	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Expected volatility	40.00%	24.13%
Expected dividends	1.74%	1.06%
Expected term (Year)	6 years 8 months 12 days	6 years 3 months 18 days
Risk-free rate	2.55%	2.67%

Note 7 - Employee and Directo_5

Note 7 - Employee and Director Benefits - Summary of Stock Option Activity (Details) - Share-based Payment Arrangement, Option [Member] - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017
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 3 months 18 days	5 years 3 months 18 days	5 years 2 months 12 days	5 years 6 months
Outstanding, aggregate intrinsic value	$ 21,233	$ 43,787	$ 23,355	$ 51,377
Granted (in shares)	10,500	12,750
Granted, weighted average exercise price (in dollars per share)	$ 34.44	$ 41.50
Granted, weighted average remaining contractual term (Year)	9 years 8 months 12 days	9 years 8 months 12 days
Granted, aggregate intrinsic value	$ (2)	$ (9)
Exercised (in shares)	(188,500)	(175,836)
Exercised, weighted average exercise price (in dollars per share)	$ 5.58	$ 4.90
Exercised, weighted average remaining contractual term (Year)	1 year 9 months 18 days	3 years 1 month 6 days
Exercised, aggregate intrinsic value	$ 5,014	$ 6,317
Forfeited (in shares)	(13,000)	(6,000)
Forfeited, weighted average exercise price (in dollars per share)	$ 29.93	$ 19.50
Forfeited, weighted average remaining contractual term (Year)	7 years 4 months 24 days	7 years 8 months 12 days
Forfeited, aggregate intrinsic value	$ 56	$ 128
Outstanding, shares (in shares)	1,047,748	1,497,748	1,238,748	1,666,834
Outstanding, weighted average exercise price (in dollars per share)	$ 14.37	$ 11.58	$ 13.02	$ 10.68
Exercisable, shares (in shares)	328,800	748,600
Exercisable, weighted average exercise price (in dollars per share)	$ 8.13	$ 7.34
Exercisable, weighted average remaining contractual term (Year)	3 years 8 months 12 days	3 years 10 months 24 days
Exercisable, aggregate intrinsic value	$ 8,964	$ 25,811

Note 7 - Employee and Directo_6

Note 7 - Employee and Director Benefits - Summarizes Restricted Stock Activity (Details) - Restricted Stock [Member] - $ / shares	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Non-vested, shares (in shares)	44,076	120,676
Granted, shares (in shares)	23,474	11,850
Vested, shares (in shares)	(5,200)	(61,700)
Forfeited, shares (in shares)	(2,500)	0
Non-vested, shares (in shares)	59,850	70,826
Non-vested, weighted average grant date fair value (in dollars per share)	$ 38.44	$ 10.29
Granted, weighted average grant date fair value (in dollars per share)	34.03	41.29
Vested, weighted average grant date fair value (in dollars per share)	20.31	5.81
Forfeited, weighted average grant date fair value (in dollars per share)	38.17	0
Non-vested, weighted average grant date fair value (in dollars per share)	$ 38.95	$ 19.38

Note 9 - Recently Adopted Acc_2

Note 9 - Recently Adopted Accounting Pronouncements (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2019	Jan. 01, 2019
Operating Lease, Liability, Total	$ 13,147
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset		$ 14,000

Note 11 - Fair Value Measurem_3

Note 11 - Fair Value Measurement (Details Textual) - USD ($)	Jul. 09, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Asset Impairment Charges, Total		$ 6,568,000	$ 1,543,000	$ 8,427,000	$ 3,888,000
Real Estate Owned, Amount of Loss at Acquisition		$ 202,000	$ 99,000	224,000	$ 353,000
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Foreclosure				$ 300,000		$ 360,000
Subsequent Event [Member]
Gains (Losses) on Sales of Other Real Estate	$ (2,000)

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	Jun. 30, 2019	Dec. 31, 2018
Available-for-sale securities	$ 657,971	$ 590,184
US Treasury and Government [Member]
Available-for-sale securities	74,707	76,993
Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	363,425	304,304
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	84,311	105,994
Corporate Debt Securities [Member]
Available-for-sale securities	135,528	102,893
Fair Value, Recurring [Member]
Available-for-sale securities	657,971	590,184
Fair Value, Recurring [Member] | US Treasury and Government [Member]
Available-for-sale securities	74,707	76,993
Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	363,425	304,304
Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	84,311	105,994
Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Available-for-sale securities	135,528	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 and Government [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	651,376	583,666
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Treasury and Government [Member]
Available-for-sale securities	74,707	76,993
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Backed Securities [Member]
Available-for-sale securities	363,425	304,304
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities	84,311	105,994
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Available-for-sale securities	128,933	96,375
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Available-for-sale securities	6,595	6,518
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US Treasury and Government [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	$ 6,595	$ 6,518

Note 11 - Fair Value Measurem_5

Note 11 - Fair Value Measurement - Carrying Amount and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Impaired loans	$ 35,574	$ 30,463
Other real estate owned and repossessed assets	5,649	5,169
Total assets at fair value	41,223	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	35,574	30,463
Other real estate owned and repossessed assets	5,649	5,169
Total assets at fair value	$ 41,223	$ 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	Jun. 30, 2019	Dec. 31, 2018
Cash and due from banks	$ 68,841	$ 97,516
Federal funds sold	408,289	223,845
Mortgage loans held for sale	9,446	120
Held to maturity debt securities	250	0
Federal funds purchased	459,449	288,725
Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member]
Cash and due from banks	477,893	458,050
Fair Value, Inputs, Level 1 [Member] | Estimate of Fair Value Measurement [Member]
Cash and due from banks	477,893	458,050
Fair Value, Inputs, Level 2 [Member] | Reported Value Measurement [Member]
Federal funds sold	408,289	223,845
Mortgage loans held for sale	9,446	120
Deposits	7,404,794	6,915,708
Federal funds purchased	459,449	288,725
Other borrowings	64,684	64,666
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]
Federal funds sold	408,289	223,845
Mortgage loans held for sale	9,446	121
Deposits	7,407,047	6,910,176
Federal funds purchased	459,449	288,725
Other borrowings	64,624	64,613
Fair Value, Inputs, Level 3 [Member] | Reported Value Measurement [Member]
Held to maturity debt securities	250	0
Loans, net	6,860,926	6,464,899
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]
Held to maturity debt securities	250	0
Loans, net	$ 6,791,540	$ 6,398,604