Acquisitions and Dispositions - Dispositions (Details)			3 Months Ended			12 Months Ended
	Jan. 20, 2016 facility	Apr. 10, 2015 item	Mar. 31, 2016 item	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($) item	Dec. 31, 2014 USD ($)
Summary of dispositions
Number of brokerages having assets and liabilities sold | item			21
Gain (loss) on sale or disposition of assets						$ (178,000)	$ 3,397,000	$ 14,000
RE/MAX Northwest Realtors
Summary of dispositions
Number of brokerages having assets and liabilities sold | facility	3
Gain (loss) on sale or disposition of assets						$ (90,000)
RE/MAX Equity Group
Summary of dispositions
Number of brokerages having assets and liabilities sold | item							12
Re Max Caribbean Islands Inc
Summary of dispositions
Gain (loss) on sale or disposition of assets								$ 12,000
Term Of Franchising Agreements								20 years
Business Acquisition Effective Date Of Acquisition1								Jan. 01, 2015
Sales price								$ 100,000
RE/MAX 100
Summary of dispositions
Number of brokerages having assets and liabilities sold | item		6
Gain (loss) on sale or disposition of assets					$ 615,000
RE/MAX 100 | RE/MAX Equity Group
Summary of dispositions
Gain (loss) on sale or disposition of assets				$ 2,794,000