Intangible Assets and Goodwill - Schedule of Changes in Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2021
Changes to goodwill
Beginning Balance		$ 165,358
Purchase price adjustments		133
Goodwill recognized from acquisitions		108,269
Impairment charge - goodwill	$ (5,123)	(5,123)
Effect of changes in foreign currency exchange rates		(247)
Ending Balance	268,390	268,390
Total Real Estate
Changes to goodwill
Beginning Balance		146,725
Purchase price adjustments		133
Goodwill recognized from acquisitions		108,269
Impairment charge - goodwill		(5,123)
Effect of changes in foreign currency exchange rates		(247)
Ending Balance	249,757	249,757
Mortgage
Changes to goodwill
Beginning Balance		18,633
Ending Balance	$ 18,633	$ 18,633

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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