Accounts Receivable and Allowance for Doubtful Accounts - Allowance For Doubtful Accounts Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Valuation and Qualifying Accounts Disclosure [Roll forward]
Balance at Beginning of Period	$ 13,145	$ 11,716	$ 5,187
Charged to Costs and Expenses	653	3,582	1,925
Write-Offs Charged to Allowance	(946)	(2,187)	(322)
Exchange Rate Changes and Other Adjustments	(518)	34	4,926
Balance at End of Period	$ 12,334	$ 13,145	$ 11,716