• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Long-Term Debt - Summary of Long-Term Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Mar. 15, 2019
Dec. 31, 2018
Debt Instrument [Line Items]      
Total principal amount $ 173,695   $ 264,995
Finance lease liabilities 60   55
Less: unamortized discount and issuance costs (10,000)   (14,845)
Total long-term debt 163,695   250,150
3.875% Convertible Senior Notes [Member]      
Debt Instrument [Line Items]      
Total principal amount   $ 89,990 89,990
4.25% Convertible Senior Notes [Member]      
Debt Instrument [Line Items]      
Total principal amount 143,750   143,750
3.95% Promissory Note [Member]      
Debt Instrument [Line Items]      
Total principal amount 8,881   9,125
4% Promissory Note [Member]      
Debt Instrument [Line Items]      
Total principal amount 7,345   7,857
3.75% Promissory Note [Member]      
Debt Instrument [Line Items]      
Total principal amount 7,955   8,290
4.55% Promissory Note [Member]      
Debt Instrument [Line Items]      
Total principal amount $ 5,704   $ 5,928