Related-Party Transactions (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Accounts receivable from affiliates:
Accounts receivable from affiliates	$ 26	$ 231
Accounts payable to affiliates:
Accounts payable to affiliates	(1,172)	(1,114)
Net accounts payable to affiliates	(1,146)	(883)
Re Max Of Texas Advertising Fund
Accounts receivable from affiliates:
Accounts receivable from affiliates	16	246
Central Atlantic Region Advertising Fund [Member]
Accounts payable to affiliates:
Accounts payable to affiliates	(1,102)	(1,031)
Other affiliates
Accounts receivable from affiliates:
Accounts receivable from affiliates	10	(15)
Accounts payable to affiliates:
Accounts payable to affiliates	$ (70)	$ (83)