Revenue - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for doubtful accounts, balance at beginning of period	$ 19,782	$ 8,171	$ 4,069
Bad debt expense	22,251	20,633	11,819
Actual write-offs	(16,679)	(9,022)	(7,717)
Allowance for doubtful accounts, balance at end of period	$ 25,354	$ 19,782	$ 8,171