Accounts Receivable, Net - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for Doubtful Accounts
Balance at the beginning	$ 2,823	$ 2,641	$ 2,272
Additions	907	1,869	1,877
Reductions	(759)	(114)	(762)
Recoveries	(962)	(1,573)	(746)
Balance at the end	$ 2,009	$ 2,823	$ 2,641