Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 6,609	$ 13,730	$ 7,639
Foreign currency adjustment	(3,296)	(4,052)	5,461
Decrease (increase) in pension loss, net of taxes of $64, $6, and $(156), in 2022, 2021 and 2020, respectively	4,930	2,479	(2,286)
Other comprehensive income (loss)	1,634	(1,573)	3,175
Comprehensive income	$ 8,243	$ 12,157	$ 10,814