Summary of Significant Accounting Policies - Services Provided to Marketing Funds by REMAX Franchising (Details) - Marketing funds - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Costs charged	$ 2,555	$ 2,458
Technology - operating
Costs charged	1,050	1,169
Technology - capital
Costs charged		(203)
Technology - capital | Work in progress assets
Costs charged		200
Marketing staff and administrative services
Costs charged	$ 1,505	$ 1,492