Dispositions - Additional Information (Details)		3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 10, 2015 USD ($) facility	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Dispositions
Gain on sale or disposition of assets		$ (9,000)		$ 606,000	$ 1,000
RE/MAX Caribbean Islands, Inc.
Dispositions
Term of regional franchise agreements						20 years
RE/MAX Caribbean Islands, Inc. | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Dispositions
Sales price						$ 100,000
RE/MAX 100 | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Dispositions
Sales price	$ 450,000
Number of Company-owned brokerage offices sold (in offices) | facility	6
Gain on sale or disposition of assets			$ 615,000