Summary of Significant Accounting Policies - Services Provided to Marketing Funds by REMAX Franchising (Details) - Marketing funds - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Costs charged	$ 2,573	$ 2,610		$ 7,670	$ 7,720
Technology - operating
Costs charged	1,066	1,169		3,166	3,507
Technology - capital
Costs charged					(203)
Technology - capital | Work in progress assets
Costs charged			$ 200
Marketing staff and administrative services
Costs charged	$ 1,507	$ 1,441		$ 4,504	$ 4,416