Intangible Assets and Goodwill - Schedule of Changes in Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Changes to goodwill
Beginning Balance	$ 150,684	$ 135,213
Goodwill recognized related to acquisitions	8,207	15,039
Adjustments to acquisition accounting during the measurement period		700
Effect of changes in foreign currency exchange rates	147	(268)
Ending Balance	159,038	150,684
RE/MAX Franchising
Changes to goodwill
Beginning Balance	138,884	123,413
Goodwill recognized related to acquisitions	8,207	15,039
Adjustments to acquisition accounting during the measurement period		700
Effect of changes in foreign currency exchange rates	147	(268)
Ending Balance	147,238	138,884
Motto Franchising
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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