Acquisitions and Dispositions - Additional Information (Detail)				3 Months Ended				15 Months Ended
	Jan. 20, 2016 facility	Dec. 31, 2015 item	Apr. 10, 2015 facility	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2016 facility
Summary of dispositions
Number of brokerages having assets and liabilities sold | facility								21
Gain (loss) on sale or disposition of assets				$ (107,000)			$ (2,000)
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
Gain (loss) on sale or disposition of assets					$ 2,794,000
RE/MAX 100.
Summary of dispositions
Number of brokerages having assets and liabilities sold | facility			6
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | RE/MAX 100.
Summary of dispositions
Gain (loss) on sale or disposition of assets						$ 615,000