Schedule of Aggregate Carrying Amounts of Major Classes of Assets and Liabilities (Detail) - Market Leader, Inc. $ in Thousands	Sep. 30, 2015 USD ($)
Assets
Prepaid expenses and other current assets	$ 501
Property and equipment, net	5,764
Goodwill	9,209
Intangible assets, net	17,161
Total assets	32,635
Liabilities
Current liabilities	2,278
Other long-term liabilities	3,771
Total liabilities	$ 6,049