Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net Income (Loss)	$ (8,926)	$ (43,429)	$ (8,794)
Other comprehensive income (loss), net of tax:
Foreign currency translation (net of tax effect of $0 for all periods)	9,011	(24,084)	(7,254)
Retirement related benefit plans (net of tax effect of $177, $(308) and $(296), respectively)	(1,318)	3,032	1,101
Total other comprehensive income (loss)	7,693	(21,052)	(6,153)
Comprehensive income (loss)	$ (1,233)	$ (64,481)	$ (14,947)