Revenue and Segment Information - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Net Sales	$ 338,311	$ 291,759	$ 997,050	$ 874,842
Wholegoods
Disaggregation of Revenue [Line Items]
Net Sales	251,712	212,918	761,674	663,306
Parts
Disaggregation of Revenue [Line Items]
Net Sales	74,009	71,419	201,601	188,712
Other
Disaggregation of Revenue [Line Items]
Net Sales	$ 12,590	$ 7,422	$ 33,775	$ 22,824