CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 3,982	$ 8,490
Other comprehensive income (loss):
Foreign currency exchange translation adjustments	327	(2,072)
Minimum pension liability, net of tax	(29)	286
Derivative instrument, net of tax	2,814	(426)
Other comprehensive income (loss)	3,112	(2,212)
Comprehensive income	$ 7,094	$ 6,278