Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net loss	$ (4,251)	$ (6,112)	$ (16,201)	$ (16,612)
Other comprehensive (loss) income, before tax
Unrealized net (loss) gain from cash flow hedging instruments	(610)	305	(295)	600
Realized net loss (gain) from cash flow hedging instruments	66	(824)	95	(1,055)
Reclassification of unrealized gain from ineffective cash flow hedging instruments	0	(271)	0	(293)
Foreign currency translation adjustments	(13,521)	2,960	(12,941)	794
Defined benefit and postretirement benefit plans	46	48	92	96
Total other comprehensive (loss) income, before tax	(14,019)	2,218	(13,049)	142
Income tax benefit related to other comprehensive (loss) income	130	194	28	170
Other comprehensive (loss) income, net of tax	(13,889)	2,412	(13,021)	312
Comprehensive loss	(18,140)	(3,700)	(29,222)	(16,300)
Comprehensive loss (income) attributable to non-controlling interests	5,306	(3,990)	3,480	(7,677)
Comprehensive loss attributable to common shareholders	$ (12,834)	$ (7,690)	$ (25,742)	$ (23,977)