Acquisitions - ReMax Integra North America Acquisition (Details) $ in Thousands		3 Months Ended
	Jul. 21, 2021 USD ($) state item	Mar. 31, 2022
Franchise agreements
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		12 years
Non-compete intangible asset
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		5 years
RE/MAX INTEGRA North America Region Asset Acquisition
Business Acquisition [Line Items]
Cash consideration | $	$ 235,000
Number of agents	19,000
Loss on purchase price of pre-existing master franchise agreements | $	$ 40,900
RE/MAX INTEGRA North America Region Asset Acquisition | Canada
Business Acquisition [Line Items]
Number of provinces	5
Number of agents	12,000
Percentage of goodwill	50.00%
RE/MAX INTEGRA North America Region Asset Acquisition | U.S.
Business Acquisition [Line Items]
Number of states | state	9
Number of agents	7,000
Percentage of goodwill	0.00%