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NET SALES - Disaggregate sales by major source (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of revenue
Net sales	$ 383,729	$ 380,995	$ 298,014
Boats and accessories
Disaggregation of revenue
Net sales	378,321	375,912	293,312
Parts
Disaggregation of revenue
Net sales	$ 5,408	$ 5,083	$ 4,702

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