Acquisitions and Dispositions - Additional Information (Detail)		3 Months Ended		12 Months Ended
	Oct. 07, 2013 USD ($)	Dec. 31, 2015 USD ($) item	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($) item	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Apr. 10, 2015 item
Business Acquisition [Line Items]
Gain on sale or disposition of assets				$ 3,397,000	$ 14,000	$ (373,000)
RE/MAX Equity Group
Business Acquisition [Line Items]
Gain on sale or disposition of assets		$ 2,794,000
Number of brokerages having assets and liabilities sold | item		12		12
RE/MAX 100
Business Acquisition [Line Items]
Gain on sale or disposition of assets			$ 615,000
Number of brokerages having assets and liabilities sold | item							6
RE/MAX Caribbean Islands, Inc.
Business Acquisition [Line Items]
Sales price					100,000
Gain on sale or disposition of assets					$ 12,000
Term of regional franchise agreements					20 years
Business acquisition date					Jan. 01, 2015
Tails Inc.
Business Acquisition [Line Items]
Purchase consideration	$ 20,175,000
HBN and Tails
Business Acquisition [Line Items]
Remaining amortization period of franchise agreement				14 years
HBN
Business Acquisition [Line Items]
Purchase consideration	$ 7,130,000