Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2019	$ 3,757	$ 123,468	$ 160,050	$ 688	$ (25,201)	$ 262,762
Beginning balance (in shares) at Dec. 31, 2019	20,873				2,750
Equity based compensation		(400)				(400)
Shares issued under employee benefit plans		(175)			$ 175
Shares issued under employee benefit plans, shares					(19)
Net income (loss)			(94,351)			(94,351)
Other comprehensive (loss) income, net of tax				(305)		(305)
Ending balance at Dec. 31, 2020	$ 3,757	122,893	65,699	383	$ (25,026)	167,706
Ending balance (in shares) at Dec. 31, 2020	20,873				2,731
Equity based compensation		229				229
Shares issued under employee benefit plans		(278)			$ 278
Shares issued under employee benefit plans, shares					(31)
Net income (loss)			9,004			9,004
Other comprehensive (loss) income, net of tax				(1,418)		(1,418)
Ending balance at Dec. 31, 2021	$ 3,757	$ 122,844	$ 74,703	$ (1,035)	$ (24,748)	$ 175,521
Ending balance (in shares) at Dec. 31, 2021	20,873				2,700