Earnings (Loss) Per Share, Dividends and Repurchases - Reconciliation of the numerator and denominator used in basic and diluted EPS calculations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Numerator
Net income (loss) attributable to RE/MAX Holdings, Inc.	$ 966	$ (59,454)	$ 1,318	$ (58,115)
Common Class A
Denominator for basic net income (loss) per share of Class A common stock
Weighted average shares of Class A common stock outstanding	18,863,793	18,150,557	18,733,190	18,064,009
Denominator for diluted net income (loss) per share of Class A common stock
Weighted average shares of Class A common stock outstanding	18,863,793	18,150,557	18,733,190	18,064,009
Add dilutive effect of the following:
Weighted average shares of Class A common stock outstanding, diluted	19,483,798	18,150,557	19,063,279	18,064,009
Net income (loss) attributable to RE/MAX Holdings, Inc. per share of Class A common stock
Basic	$ 0.05	$ (3.28)	$ 0.07	$ (3.22)
Diluted	$ 0.05	$ (3.28)	$ 0.07	$ (3.22)
Restricted stock and restricted stock units
Add dilutive effect of the following:
Restricted stock and restricted stock units	620,005		330,089