• Filing Date: 2017-02-22
  • Form Type: 10-K
  • Description: Annual report
v3.6.0.2
Long-Term Debt - Summary of Long-Term Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Mar. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]      
Total principal amount $ 147,985   $ 143,250
Less: unamortized discount and issuance costs (9,122)   (13,821)
Total long-term debt 138,863   129,429
Senior Notes [Member]      
Debt Instrument [Line Items]      
Total principal amount 40,250   40,250
Convertible Senior Notes [Member]      
Debt Instrument [Line Items]      
Total principal amount 89,990   $ 103,000
Less: unamortized discount and issuance costs   $ 1,591  
4% Promissory Note [Member]      
Debt Instrument [Line Items]      
Total principal amount 8,821    
3.75% Promissory Note [Member]      
Debt Instrument [Line Items]      
Total principal amount $ 8,924