Intangible Assets and Goodwill - Schedule of Changes in Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Changes to goodwill
Beginning Balance	$ 135,213	$ 126,633
Goodwill recognized related to acquisitions	15,039	12,220
Adjustments to acquisition accounting during the measurement period	700	(3,865)
Effect of changes in foreign currency exchange rates	(268)	225
Ending Balance	150,684	135,213
RE/MAX Franchising
Changes to goodwill
Beginning Balance	123,413	114,833
Goodwill recognized related to acquisitions	15,039	12,220
Adjustments to acquisition accounting during the measurement period	700	(3,865)
Effect of changes in foreign currency exchange rates	(268)	225
Ending Balance	138,884	123,413
Other
Changes to goodwill
Beginning Balance	11,800	11,800
Ending Balance	$ 11,800	$ 11,800

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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