Credit Losses - Accounts Receivable, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Credit Loss [Abstract]
Accounts receivable, gross	$ 718,400
Less: allowance for returns	(5,052)
Less: allowance for credit losses	(13,322)
Accounts receivable, net	700,026	$ 720,359
Credit loss expense	$ 6,232