Summary of Significant Accounting Policies - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 4,632	$ 3,329	$ 3,221	$ 3,416	$ 3,108	$ 2,962	$ 2,596	$ 2,406	$ 3,416	$ 2,406
Bad debt expense	2,372	1,441	466	504	652	946	898	539	4,783	3,035	$ 2,008
Write-Offs, net of Recoveries	(917)	(138)	(358)	(699)	(344)	(800)	(532)	(349)
Ending balance	$ 6,087	$ 4,632	$ 3,329	$ 3,221	$ 3,416	$ 3,108	$ 2,962	$ 2,596	$ 6,087	$ 3,416	$ 2,406