Industry Segments - Schedule of Reconciliation of Segment Operating Income to Net Earnings (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Segment Reporting Information, Profit (Loss) [Abstract]
Depreciation and amortization	$ 11,315	$ 10,267
Capital expenditures	6,740	9,132
Investment in unconsolidated affiliates	26,685		$ 26,310
Total assets	2,048,299		1,995,241
Operating Segments
Segment Reporting Information, Profit (Loss) [Abstract]
Depreciation and amortization	10,965	9,935
Capital expenditures	6,680	8,472
Investment in unconsolidated affiliates	26,685		26,310
Total assets	1,927,183		1,875,998
Corporate
Segment Reporting Information, Profit (Loss) [Abstract]
Depreciation and amortization	350	332
Capital expenditures	60	660
Investment in unconsolidated affiliates	0		0
Total assets	121,116		119,243
Vehicle Control | Operating Segments
Segment Reporting Information, Profit (Loss) [Abstract]
Depreciation and amortization	4,297	3,670
Capital expenditures	3,693	5,379
Investment in unconsolidated affiliates	2,814		2,883
Total assets	748,928		741,732
Temperature Control | Operating Segments
Segment Reporting Information, Profit (Loss) [Abstract]
Depreciation and amortization	808	778
Capital expenditures	690	1,301
Investment in unconsolidated affiliates	22,134		20,402
Total assets	367,361		312,884
Nissens Automotive | Operating Segments
Segment Reporting Information, Profit (Loss) [Abstract]
Depreciation and amortization	3,266	2,987
Capital expenditures	665	136
Investment in unconsolidated affiliates	0		0
Total assets	519,487		531,606
Engineered Solutions | Operating Segments
Segment Reporting Information, Profit (Loss) [Abstract]
Depreciation and amortization	2,594	2,500
Capital expenditures	1,632	$ 1,656
Investment in unconsolidated affiliates	1,737		3,025
Total assets	$ 291,407		$ 289,776