Related-Party Transactions - Accounts Receivable from and Payable to Affiliates (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accounts receivable from affiliates:
Accounts receivable from affiliates		$ 231
Accounts payable to affiliates:
Accounts payable to affiliates	$ (66)	(1,114)
Net accounts payable to affiliates	(66)	(883)
Re Max Of Texas Advertising Fund
Accounts receivable from affiliates:
Accounts receivable from affiliates		246
Central Atlantic Region Advertising Fund [Member]
Accounts payable to affiliates:
Accounts payable to affiliates		(1,031)
Other affiliates
Accounts receivable from affiliates:
Accounts receivable from affiliates		(15)
Accounts payable to affiliates:
Accounts payable to affiliates	$ (66)	$ (83)