Segment Reporting - Summary of Sales by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues	$ 649,002	$ 723,355	$ 835,469
Cost of revenues	580,617	650,236	714,378
Gross profit	68,385	73,119	121,091
Selling, general & administrative expenses	69,041	73,877	81,218
Operating income (loss)	(656)	(758)	39,873
Other (income) expense	1,593	(2,200)	1,195
Interest expense	13,028	9,174	10,248
Loss on early extinguishment of debt	460	509	0
Income (loss) before provision for income taxes	(15,737)	(8,241)	28,430
Capital expenditures, depreciation and restructuring:
Depreciation expense	14,200	13,900	13,100
Restructuring	5,476	10,784
Gain on the sale of building		3,500
Global Seating
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues	287,249	314,682	348,690
Global Electrical Systems
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues	203,186	203,128	242,391
Trim Systems and Components
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues	158,567	205,545	244,388
Operating Segments
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues	649,002	723,355	835,469
Cost of revenues	580,617	650,078	714,195
Gross profit	68,385	73,277	121,274
Selling, general & administrative expenses	59,280	61,961	68,513
Operating income (loss)	9,105	11,316	52,761
Operating Segments | Global Seating
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues	287,249	314,682	348,690
Cost of revenues	251,968	277,131	305,539
Gross profit	35,281	37,551	43,151
Selling, general & administrative expenses	27,435	33,521	34,026
Operating income (loss)	7,846	4,030	9,125
Capital expenditures, depreciation and restructuring:
Capital expenditures	4,036	5,082	8,067
Depreciation expense	5,407	5,186	5,039
Restructuring	2,585	1,546	131
Operating Segments | Global Electrical Systems
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues	203,186	203,128	242,390
Cost of revenues	181,694	189,946	202,745
Gross profit	21,492	13,182	39,645
Selling, general & administrative expenses	19,443	17,742	17,088
Operating income (loss)	2,049	(4,560)	22,557
Capital expenditures, depreciation and restructuring:
Capital expenditures	3,676	5,421	8,669
Depreciation expense	4,847	4,927	4,181
Restructuring	1,727	3,745	8
Operating Segments | Trim Systems and Components
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Revenues	158,567	205,545	244,389
Cost of revenues	146,955	183,001	205,911
Gross profit	11,612	22,544	38,478
Selling, general & administrative expenses	12,402	10,698	17,399
Operating income (loss)	(790)	11,846	21,079
Capital expenditures, depreciation and restructuring:
Capital expenditures	2,784	3,446	1,891
Depreciation expense	3,262	3,279	3,396
Restructuring	1,037	5,329	678
Corporate/ Other
Segment Reporting Information, Revenue for Reportable Segment [Abstract]
Corporate and other unallocated costs	$ 9,761	$ 12,074	$ 12,888