Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ (11,950)	$ (10,500)
Other comprehensive income (loss), before tax
Unrealized net gain from cash flow hedging instruments	315	295
Realized net loss (gain) from cash flow hedging instruments	29	(231)
Reclassification of unrealized gain from ineffective cash flow hedging instruments	0	(22)
Foreign currency translation adjustments	580	(2,166)
Defined benefit and postretirement benefit plans	46	48
Total other comprehensive income (loss), before tax	970	(2,076)
Income tax expense related to other comprehensive income (loss)	(102)	(24)
Other comprehensive income (loss), net of tax	868	(2,100)
Comprehensive loss	(11,082)	(12,600)
Comprehensive income attributable to non-controlling interests	(1,826)	(3,687)
Comprehensive loss attributable to common shareholders	$ (12,908)	$ (16,287)