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Discontinued Operations - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
May 09, 2017
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]      
Amortization of convertible note discount $ 4,346 $ 7,983  
Operating Segments | Entertainment      
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]      
Interest expense 6,100 $ 1,600  
Prepayment premium 15,737    
Operating Segments | Entertainment | Senior Secured Term Loan      
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]      
Amortization of convertible note discount 600    
Prepayment premium $ 15,700    
Subsequent Event | Operating Segments | Entertainment      
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]      
Sell price of business     $ 345,000