Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 33,066	$ (19,877)	$ (9,577)
Other comprehensive (loss) income, before tax
Unrealized defined benefit plan actuarial (loss) gain	(75)	2,901	132
Unrealized postretirement benefit plans actuarial (loss) gain	(37)	754	140
Amortization of defined benefit and postretirement benefit plans net gain	(604)
Amortization of prior service cost		184	185
Unrealized net gain (loss) from cash flow hedging instruments	575	(1,323)	468
Realized net loss (gain) from cash flow hedging instruments	892	596	(1,707)
Reclassification of unrealized gain from ineffective cash flow hedging instruments			(318)
Foreign currency translation adjustments	(3,907)	(20,594)	3,364
Total other comprehensive (loss) income, before tax	(3,156)	(17,482)	2,264
Income tax (expense) benefit related to other comprehensive income	(181)	(818)	286
Other comprehensive (loss) income, net of tax	(3,337)	(18,300)	2,550
Comprehensive income (loss)	29,729	(38,177)	(7,027)
Comprehensive (income) loss attributable to non-controlling interests	(6,629)	3,004	(13,763)
Comprehensive income (loss) attributable to common shareholders	$ 23,100	$ (35,173)	$ (20,790)