Revenue Recognition - Sales Return Reserve (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 43,986	$ 29,043	$ 24,522
Provision	91,007	106,178	95,094
Sales returns	87,634	91,235	90,573
Ending balance	$ 47,359	$ 43,986	$ 29,043