Revenue Data by Customer Type (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) distributionChannel	Mar. 31, 2020 USD ($)
Revenue, Major Customer [Line Items]
Number of primary distribution channels | distributionChannel	2
Net sales	$ 59,967	$ 61,736
Direct Customers
Revenue, Major Customer [Line Items]
Net sales	57,555	59,896
Distributors
Revenue, Major Customer [Line Items]
Net sales	$ 2,412	$ 1,840