Summary of Significant Accounting Policies - Schedule of Deferred Revenue (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
Disaggregation of Revenue [Line Items]
Balance at beginning of period	$ 46,071
New billings	59,237
Revenue recognized	(64,624)
Balance at the end of period	40,684
Franchise sales
Disaggregation of Revenue [Line Items]
Balance at beginning of period	25,281
New billings	8,061
Revenue recognized	(8,729)
Balance at the end of period	24,613
Revenue recognized related to the beginning balance	$ 7,900
Annual dues
Disaggregation of Revenue [Line Items]
Deferred revenue recognition period	12 months
Balance at beginning of period	$ 14,164
New billings	33,022
Revenue recognized	(33,904)
Balance at the end of period	13,282
Revenue recognized related to the beginning balance	13,400
Other
Disaggregation of Revenue [Line Items]
Balance at beginning of period	6,626
New billings	18,154
Revenue recognized	(21,991)
Balance at the end of period	$ 2,789
Franchise sales | RE/MAX franchise agreements
Disaggregation of Revenue [Line Items]
Period of franchise agreement	5 years
Franchise sales | Motto Franchising
Disaggregation of Revenue [Line Items]
Period of franchise agreement	7 years