CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
BALANCE at Dec. 31, 2020	$ 15,107	$ 252,693	$ 87,185	$ 2,183	$ 357,168
BALANCE (in shares) at Dec. 31, 2020	15,107,214
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			28,134		28,134
Other comprehensive income (loss)				376	376
Stock options exercised	$ 19	175			$ 194
Stock options exercised (in shares)	19,165				19,040
Restricted stock	$ 43	(43)
Restricted stock (in shares)	43,143
Common stock issued to shareholders	$ 1,691	40,563			$ 42,254
Common stock issued to shareholders (in shares)	1,691,535
Stock compensation expense		521			521
Common stock dividends			(2,719)		(2,719)
Repurchases of common stock	$ (59)	(1,149)			(1,208)
Repurchases of common stock (in shares)	(59,610)
BALANCE at Sep. 30, 2021	$ 16,801	292,760	112,600	2,559	424,720
BALANCE (in shares) at Sep. 30, 2021	16,801,447
BALANCE at Jun. 30, 2021	$ 15,110	252,039	103,906	2,338	373,393
BALANCE (in shares) at Jun. 30, 2021	15,109,736
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			9,600		9,600
Other comprehensive income (loss)				221	$ 221
Stock options exercised (in shares)					0
Restricted stock (in shares)	176
Common stock issued to shareholders	$ 1,691	40,563			$ 42,254
Common stock issued to shareholders (in shares)	1,691,535
Stock compensation expense		158			158
Common stock dividends			(906)		(906)
BALANCE at Sep. 30, 2021	$ 16,801	292,760	112,600	2,559	424,720
BALANCE (in shares) at Sep. 30, 2021	16,801,447
BALANCE at Dec. 31, 2021	$ 16,803	292,937	118,247	1,443	429,430
BALANCE (in shares) at Dec. 31, 2021	16,802,990
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			30,018		30,018
Other comprehensive income (loss)				(42,250)	(42,250)
Stock options exercised	$ 32	238			$ 270
Stock options exercised (in shares)	32,003				32,003
Restricted stock	$ 61	(61)
Restricted stock (in shares)	60,515
Restricted stock withheld for taxes	$ (8)	(198)			$ (206)
Restricted stock withheld for taxes (in shares)	(7,953)
Stock compensation expense		991			991
Common stock dividends			(3,542)		(3,542)
BALANCE at Sep. 30, 2022	$ 16,888	293,907	144,723	(40,807)	414,711
BALANCE (in shares) at Sep. 30, 2022	16,887,555
BALANCE at Jun. 30, 2022	$ 16,898	293,815	134,362	(24,648)	420,427
BALANCE (in shares) at Jun. 30, 2022	16,898,405
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			11,543		11,543
Other comprehensive income (loss)				(16,159)	(16,159)
Stock options exercised	$ 1	6			$ 7
Stock options exercised (in shares)	603				603
Restricted stock	$ (3)	3
Restricted stock (in shares)	(3,500)
Restricted stock withheld for taxes	$ (8)	(198)			$ (206)
Restricted stock withheld for taxes (in shares)	(7,953)
Stock compensation expense		281			281
Common stock dividends			(1,182)		(1,182)
BALANCE at Sep. 30, 2022	$ 16,888	$ 293,907	$ 144,723	$ (40,807)	$ 414,711
BALANCE (in shares) at Sep. 30, 2022	16,887,555