Description of Business and Summary of Significant Accounting Policies - Assets and Liabilities Measured at Fair Value on a Recurring Basis using Significant Unobservable Inputs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Contingent Liability for Accrued Earn-out Acquisition Consideration
Beginning balance	$ 0	$ 10,095
(Gains) or losses included in earnings	0	(3,105)
Remeasurement against goodwill	2,560	0
Foreign currency translation adjustments	(3)	(537)
Settlements	0	(6,453)
Ending balance	2,557	0
The amount of total (gains) or losses for the year included in earnings or changes to net assets, attributable to changes in unrealized (gains) or losses relating to assets or liabilities still held at year-end.	$ 0	$ (3,105)