Summary of Significant Accounting Policies (Details) - region	12 Months Ended
	Dec. 31, 2016	Mar. 31, 2017
Significant Accounting Policies [Line Items]
Number of independent regions acquired	6
RMCO, LLC
Significant Accounting Policies [Line Items]
Parent economic interest in RMCO (as a percent)		58.47%
RMCO, LLC | RE/MAX Holdings
Significant Accounting Policies [Line Items]
Parent economic interest in RMCO (as a percent)		58.47%