Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2019	$ 8,112	$ 184,120	$ (8,506)	$ 183,726
Net income	0	16,077	0	16,077
Other comprehensive income (loss), net of tax	0	0	11,526	11,526
Cash dividend	0	(9,000)	0	(9,000)
Stock repurchase	(72)	(1,650)	0	(1,722)
Balance at Dec. 31, 2020	8,040	189,547	3,020	200,607
Net income	0	20,382	0	20,382
Other comprehensive income (loss), net of tax	0	0	(7,078)	(7,078)
Cash dividend	0	(8,806)	0	(8,806)
Stock repurchase	(460)	(12,894)	0	(13,354)
Balance at Dec. 31, 2021	$ 7,580	$ 188,229	$ (4,058)	$ 191,751