CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock and Paid-in Capital	Common Stock	Unamortized Cost of Equity Awards	Retained Earnings	Foreign Currency Translation Adjustments	Accumulated income (loss) on derivatives	Pension Adjustments	Total
Balances at Dec. 31, 2020	$ 41,278	$ 47,085	$ (5,807)	$ 105,065	$ (216)	$ (1,438)	$ (1,633)	$ 143,056
Balances (in shares) at Dec. 31, 2020		14,632
Increase (Decrease) in Stockholders' Equity
Stock transactions under employee benefit stock plans	988	$ 988						988
Stock transactions under employee benefit stock plans (in shares)		32
Issuance of restricted stock, net of forfeitures	129	$ 3,001	(2,872)					129
Issuance of restricted stock, net of forfeitures (in shares)		81
Stock-based compensation expense	797		797					797
Shares withheld for payment of employee payroll taxes	(256)	$ (256)						(256)
Shares withheld for payment of employee payroll taxes (in shares)		(21)
Comprehensive (loss) income					(4,007)	929		(3,078)
Tax effect of derivative transactions						(221)		(221)
Net income				11,927				11,927
Dividends to stockholders				(294)				(294)
Balances at Mar. 31, 2021	42,936	$ 50,818	(7,882)	116,698	(4,223)	(730)	(1,633)	153,048
Balances (in shares) at Mar. 31, 2021		14,724
Balances at Dec. 31, 2021	68,097	$ 73,106	(5,009)	127,757	(7,409)	180	(863)	$ 187,762
Balances (in shares) at Dec. 31, 2021		15,361						15,361
Increase (Decrease) in Stockholders' Equity
Stock transactions under employee benefit stock plans	1,217	$ 1,217						$ 1,217
Stock transactions under employee benefit stock plans (in shares)		36
Issuance of restricted stock, net of forfeitures	(4)	$ 5,140	(5,144)					(4)
Issuance of restricted stock, net of forfeitures (in shares)		141
Stock-based compensation expense	1,349		1,349					1,349
Shares withheld for payment of employee payroll taxes	(137)	$ (137)						(137)
Shares withheld for payment of employee payroll taxes (in shares)		(4)
Comprehensive (loss) income					(1,233)	3,423		2,190
Tax effect of derivative transactions						(822)		(822)
Net income				2,504				2,504
Dividends to stockholders				(388)				(388)
Balances at Mar. 31, 2022	$ 70,522	$ 79,326	$ (8,804)	$ 129,873	$ (8,642)	$ 2,781	$ (863)	$ 193,671
Balances (in shares) at Mar. 31, 2022		15,534						15,534