Quarterly report pursuant to Section 13 or 15(d)

Debt Instruments - Summary of the effective interest rate, contractually stated interest expense and costs related to amortization of discount for the Notes (Details)

v3.5.0.2
Debt Instruments - Summary of the effective interest rate, contractually stated interest expense and costs related to amortization of discount for the Notes (Details) - Convertible debt - Notes
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2016
USD ($)
Debt Instrument [Line Items]    
Effective interest rate 10.18% 10.18%
Contractually stated interest expense $ 1,509 $ 3,019
Amortization of discount $ 4,503 $ 8,938