Summary of Significant Accounting Policies - Services Provided to Marketing Funds by REMAX Franchising (Details) - Marketing funds - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Costs charged		$ 20,952	$ 20,132	$ 17,789
Work in progress assets
Costs charged	$ 500
Technology - operating
Costs charged		14,436	13,396	12,245
Technology - capital
Costs charged		918	954	1,017
Marketing staff and administrative services
Costs charged		$ 5,598	$ 5,782	$ 4,527