Summary of Significant Accounting Policies - 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 - beginning of period	$ 6,372	$ 4,654	$ 7,562
Accounts written off during period, net of recoveries	(6,655)	(2,047)	(6,909)
Bad debts expense	11,103	3,765	4,001
Allowance - end of period	$ 10,820	$ 6,372	$ 4,654