Summary of Significant Accounting Policies - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period		$ 4,372
Charged to cost and expenses, net of recoveries	$ 0	4,887
Write-offs		(5,648)
Balance at end of period		$ 3,611