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	9,379	0	9,379
Common stock repurchased	(327)	(9,027)	0	(9,354)
Cash dividend	0	(4,319)	0	(4,319)
Other comprehensive income, net of tax	0	0	(5,078)	(5,078)
Other comprehensive loss, net of tax	0	0	(5,078)	(5,078)
Balances at Jun. 30, 2021	7,713	185,580	(2,058)	191,235
Balances at Mar. 31, 2021	7,900	190,462	(9,293)	189,069
Net income	0	4,613	0	4,613
Common stock repurchased	(187)	(5,176)	0	(5,363)
Cash dividend	0	(4,319)	0	(4,319)
Other comprehensive income, net of tax	0	0	7,235	7,235
Other comprehensive loss, net of tax	0	0	7,235	7,235
Balances at Jun. 30, 2021	7,713	185,580	(2,058)	191,235
Balances at Dec. 31, 2021	7,580	188,229	(4,058)	191,751
Net income	0	10,460	0	10,460
Common stock repurchased	(104)	(2,824)	0	(2,928)
Cash dividend	0	(4,324)	0	(4,324)
Other comprehensive income, net of tax	0	0	(58,719)	(58,719)
Other comprehensive loss, net of tax	0	0	(58,719)	(58,719)
Balances at Jun. 30, 2022	7,476	191,541	(62,777)	136,240
Balances at Mar. 31, 2022	7,528	191,645	(37,884)	161,289
Net income	0	5,574	0	5,574
Common stock repurchased	(52)	(1,354)	0	(1,406)
Cash dividend	0	(4,324)	0	(4,324)
Other comprehensive income, net of tax	0	0	(24,893)	(24,893)
Other comprehensive loss, net of tax	0	0	(24,893)	(24,893)
Balances at Jun. 30, 2022	$ 7,476	$ 191,541	$ (62,777)	$ 136,240