Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2019	$ 11,229	$ 168,658	$ 60,198	$ 1,891	$ 241,976
Surrendered shares	(15)	(298)	0	0	(313)
Dividends declared	0	0	(2,011)	0	(2,011)
Stock-based compensation	54	1,202	0	0	1,256
Shares repurchased	(641)	(10,150)	0	0	(10,791)
Net (loss) income	0	0	9,349	0	9,349
Other comprehensive loss, net	0	0	0	(2,200)	(2,200)
Options exercised	3	43	0	0	46
Stock issuance costs	0	(45)	0	0	(45)
Balance at Sep. 30, 2020	10,630	159,410	67,536	(309)	237,267
Balance at Jun. 30, 2020	10,840	161,729	63,767	370	236,706
Surrendered shares	0	(5)	0	0	(5)
Dividends declared	0	0	(698)	0	(698)
Stock-based compensation	2	422	0	0	424
Shares repurchased	(212)	(2,736)	0	0	(2,948)
Net (loss) income	0	0	4,467	0	4,467
Other comprehensive loss, net	0	0	0	(679)	(679)
Balance at Sep. 30, 2020	10,630	159,410	67,536	(309)	237,267
Balance at Dec. 31, 2020	10,609	159,485	71,385	1,805	243,284
Surrendered shares	(19)	(348)	0	0	(367)
Dividends declared	0	0	(2,395)	0	(2,395)
Stock-based compensation	66	1,270	0	0	1,336
Shares repurchased	(359)	(6,566)	0	0	(6,925)
Net (loss) income	0	0	1,064	0	1,064
Other comprehensive loss, net	0	0	0	(406)	(406)
Options exercised	47	686	0	0	733
Balance at Sep. 30, 2021	10,344	154,527	70,054	1,399	236,324
Balance at Jun. 30, 2021	10,413	155,847	80,867	3,588	250,715
Surrendered shares	0	(5)	0	0	(5)
Dividends declared	0	0	(829)	0	(829)
Stock-based compensation	1	441	0	0	442
Shares repurchased	(109)	(2,335)	0	0	(2,444)
Net (loss) income	0	0	(9,984)	0	(9,984)
Other comprehensive loss, net	0	0	0	(2,189)	(2,189)
Options exercised	39	579	0	0	618
Balance at Sep. 30, 2021	$ 10,344	$ 154,527	$ 70,054	$ 1,399	$ 236,324