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SIGNIFICANT ACCOUNTING POLICIES - Basis of Consolidation and Presentation (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Concentration Risk [Line Items]
Number of reportable segments | segment	1
Net sales to all dealers	$ 292,136	$ 298,616	$ 267,316
Net sales | Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk, customer	0
Percent of net sales	10
Net sales | International dealers
Concentration Risk [Line Items]
Net sales to all dealers	$ 17,000	$ 19,400	$ 16,900

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Identifies or describes the benchmark that serves as the denominator in the calculation of the percentage of concentration risk.

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