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			9,756		9,756
Other comprehensive income (loss)				(1,100)	(1,100)
Stock options exercised	$ 16	131			$ 147
Stock options exercised (in shares)	15,965				15,965
Restricted stock	$ 41	(41)
Restricted stock (in shares)	40,967
Stock compensation expense		201			$ 201
Common stock dividends			(907)		(907)
Repurchases of common stock	$ (59)	(1,148)			(1,207)
Repurchases of common stock (in shares)	(59,610)
BALANCE at Mar. 31, 2021	$ 15,105	$ 251,836	$ 96,034	1,083	364,058
BALANCE (in shares) at Mar. 31, 2021	15,104,536
BALANCE at Dec. 31, 2021				$ 1,443	$ 429,430
BALANCE (in shares) at Dec. 31, 2021	16,802,990	292,937,000	118,247,000	1,443,000	429,430,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			$ 8,259		$ 8,259
Other comprehensive income (loss)				$ (16,999)	(16,999)
Stock options exercised	$ 27	$ 190			$ 217
Stock options exercised (in shares)	27,550				27,550
Restricted stock	$ 63	(63)
Restricted stock (in shares)	62,742
Stock compensation expense		312			$ 312
Common stock dividends			(1,177)		(1,177)
BALANCE at Mar. 31, 2022	$ 16,893	$ 293,376	$ 125,329	$ (15,556)	$ 420,042
BALANCE (in shares) at Mar. 31, 2022	16,893,282