Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balances at Dec. 31, 2020	$ 8,040	$ 189,547	$ 3,020	$ 200,607
Net income	0	15,131	0	15,131
Common stock repurchased	(419)	(11,666)	0	(12,085)
Other comprehensive loss, net of tax	0	0	(8,481)	(8,481)
Other comprehensive loss, net of tax	0	0	(8,481)	(8,481)
Cash dividend	0	(4,319)	0	(4,319)
Balances at Sep. 30, 2021	7,621	188,693	(5,461)	190,853
Balances at Jun. 30, 2021	7,713	185,580	(2,058)	191,235
Net income	0	5,752	0	5,752
Common stock repurchased	(92)	(2,639)	0	(2,731)
Other comprehensive loss, net of tax	0	0	(3,403)	(3,403)
Other comprehensive loss, net of tax	0	0	(3,403)	(3,403)
Balances at Sep. 30, 2021	7,621	188,693	(5,461)	190,853
Balances at Dec. 31, 2021	7,580	188,229	(4,058)	191,751
Net income	0	16,622	0	16,622
Common stock repurchased	(133)	(3,591)	0	(3,724)
Other comprehensive loss, net of tax	0	0	(88,143)	(88,143)
Other comprehensive loss, net of tax	0	0	(88,143)	(88,143)
Cash dividend	0	(4,319)	0	(4,319)
Balances at Sep. 30, 2022	7,447	196,941	(92,201)	112,187
Balances at Jun. 30, 2022	7,476	191,545	(62,777)	136,244
Net income	0	6,162	0	6,162
Common stock repurchased	(29)	(766)	0	(795)
Other comprehensive loss, net of tax	0	0	(29,424)	(29,424)
Other comprehensive loss, net of tax	0	0	(29,424)	(29,424)
Balances at Sep. 30, 2022	$ 7,447	$ 196,941	$ (92,201)	$ 112,187