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	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Contingent Liability for Accrued Earn-out Acquisition Consideration
Beginning balance	$ 2,298	$ 2,557
Remeasurement against goodwill	0	0
Foreign currency translation adjustments	(13)	(259)
Business settlements	0	0
Ending balance	2,285	2,298
The amount of total (gains) losses for the period included in earnings or changes to net assets, attributable to changes in unrealized gains relating to assets or liabilities still held at period-end.	$ 0	$ 0
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Liability, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration]	Foreign currency translation adjustments	Foreign currency translation adjustments