Revenue and Accounts Receivable, Net - Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]
Trade receivables, gross	$ 129,316	$ 130,888
Allowance for bad debts	(1,681)	(1,492)	$ (1,120)	$ (1,121)
Allowance for sales returns	(495)	(623)
Net trade receivables	127,140	128,773
Other	9,954	10,425
Accounts receivable, net	$ 137,094	$ 139,198