Acquisitions - ReMax Integra North America Acquisition (Details) $ in Thousands		12 Months Ended
	Jul. 21, 2021 USD ($) item state	Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
Loss on purchase price of pre-existing master franchise agreements		$ 40,900
Franchise agreements
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life		12 years
Non-compete agreements
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 | item	19,000
Loss on purchase price of pre-existing master franchise agreements	$ 40,900
Incremental revenues since acquisition date		$ 24,200
Operating loss since acquisition date		$ 1,100
RE/MAX INTEGRA North America Region Asset Acquisition | Canada
Business Acquisition [Line Items]
Number of provinces | item	5
Number of agents | item	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 | item	7,000
Percentage of goodwill	0.00%