Acquisitions - Additional Information (Detail) (USD $)	1 Months Ended			1 Months Ended	12 Months Ended
	Oct. 07, 2013 Subsequent Event Franchise Agreements	Oct. 07, 2013 RMCO Subsequent Event	Oct. 01, 2013 RMCO Subsequent Event	Oct. 07, 2013 RMCO Subsequent Event Franchise Agreements	Dec. 31, 2012 RMCO RE/MAX of Texas
Business Acquisition [Line Items]
Reacquire regional franchise rights	$ 27,305,000			$ 27,305,000	$ 45,500,000
Common stock values, issued in connection with assets, value			$ 27,305,000
Common stock shares, issued in connection with assets, shares		1,330,977