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, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator
Net income (loss) attributable to RE/MAX Holdings, Inc.	$ (59,454)	$ 140	$ (58,115)	$ 7,420
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	18,150,557	18,646,306	18,064,009	18,859,376
Denominator for diluted net income (loss) per share of Class A common stock
Weighted average shares of Class A common stock outstanding	18,150,557	18,646,306	18,064,009	18,859,376
Add dilutive effect of the following:
Weighted average shares of Class A common stock outstanding, diluted	18,150,557	18,876,863	18,064,009	19,080,605
Net income (loss) attributable to RE/MAX Holdings, Inc. per share of Class A common stock
Net income (loss) attributable to RE/MAX Holdings, Inc. per share of Class A common stock, basic	$ (3.28)	$ 0.01	$ (3.22)	$ 0.39
Net income (loss) attributable to RE/MAX Holdings, Inc. per share of Class A common stock, diluted	$ (3.28)	$ 0.01	$ (3.22)	$ 0.39
Restricted stock and restricted stock units
Add dilutive effect of the following:
Restricted stock and restricted stock units		230,557		221,229