Condensed Consolidated Statements of Shareholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Common Stock	Unrecognized Gains (Losses) on Derivative Instruments	Pension Obligations	Cumulative Translation Adjustment	Retained Earnings
Beginning of period at Dec. 31, 2022	$ (25,297)	$ 111,105	$ 19,844	$ 1,591	$ (110,704)	$ (47,133)
Beginning of the period (in shares) at Dec. 31, 2022		27,016,125
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(4,047)					(4,047)
Change in unrecognized gains on derivative instruments, net of tax	18,120		18,120
Net foreign currency translation adjustment	14,631				14,631
Common stock issued, net of shares withheld for employee taxes (in shares)		892,544
Stock-based compensation	(2,502)	$ (2,502)
Redeemable preferred 9% dividend and accretion	(9,440)					(9,440)
European noncontrolling redeemable equity dividend	(10)					(10)
End of period at Mar. 31, 2023	(8,545)	$ 108,603	37,964	1,591	(96,073)	(60,630)
End of the period (in shares) at Mar. 31, 2023		27,908,669
Beginning of period at Dec. 31, 2023	$ (85,940)	$ 115,340	59,859	852	(83,002)	(178,989)
Beginning of the period (in shares) at Dec. 31, 2023	28,091,440	28,091,440
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	$ (32,749)					(32,749)
Change in unrecognized gains on derivative instruments, net of tax	2,694		2,694
Change in defined benefit plans, net of taxes	178			178
Net foreign currency translation adjustment	2,499				2,499
Common stock issued, net of shares withheld for employee taxes (in shares)		508,712
Stock-based compensation	584	$ 584
Redeemable preferred 9% dividend and accretion	(10,166)					(10,166)
European noncontrolling redeemable equity dividend	(7)					(7)
End of period at Mar. 31, 2024	$ (122,907)	$ 115,924	$ 62,553	$ 1,030	$ (80,503)	$ (221,911)
End of the period (in shares) at Mar. 31, 2024	28,600,152	28,600,152