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
	Mar. 31, 2023	Mar. 31, 2022
Numerator
Net income (loss) attributable to RE/MAX Holdings, Inc.	$ (671)	$ 1,451
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	17,916,841	18,934,424
Denominator for diluted net income (loss) per share of Class A common stock
Weighted average shares of Class A common stock outstanding	17,916,841	18,934,424
Add dilutive effect of the following:
Weighted average shares of Class A common stock outstanding, diluted	17,916,841	19,211,603
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	$ (0.04)	$ 0.08
Net income (loss) attributable to RE/MAX Holdings, Inc. per share of Class A common stock, diluted	$ (0.04)	$ 0.08
Restricted stock and restricted stock units
Add dilutive effect of the following:
Restricted stock and restricted stock units		277,179