Segment Reporting (Narrative) (Details) - segment	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information
Number of reportable segments	2
Product Concentration Risk | Net sales | OEM Segment
Segment Reporting Information
Concentration risk, percentage	76.00%	83.00%
Product Concentration Risk | Net sales | Travel trailers and fifth-wheels
Segment Reporting Information
Concentration risk, percentage	46.00%
Product Concentration Risk | Net sales | Aftermarket Segment
Segment Reporting Information
Concentration risk, percentage	24.00%	17.00%