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(Loss) Income from Discontinued Operations Amounts as Reported on Consolidated Statements of Operations (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Net revenue   $ 7   $ 2,516
Loss from operations before income taxes $ (10,695) (82) $ (12,282) (54)
Loss from operations of discontinued operations $ (10,695) $ (82) $ (12,282) $ (54)