XML 59 R45.htm IDEA: XBRL DOCUMENT v3.8.0.1
Borrowings - Schedule of Future Minimum Payments under the Loans Payable (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Long-term debt $ 49,884 $ 216,861
Convertible Notes [Member]    
Debt Instrument [Line Items]    
2018 2,736  
2019 2,736  
2020 and thereafter 63,526  
Loans payable, gross including contractual interest 68,998  
Less interest (8,207)  
Less unamortized discount (10,907)  
Long-term debt $ 49,884