Quarterly report pursuant to Section 13 or 15(d)

Derivative Contracts - Derivative Gains (Losses) (Details)

v3.5.0.2
Derivative Contracts - Derivative Gains (Losses) (Details) - Not Designated as Hedging Instrument - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative gain (loss) $ (5,701) $ 32,244 $ (5,889) $ (34,100)
Common Stock options/warrants        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative gain (loss) (12) (4,070) (4,728) (2,645)
Notes        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative gain (loss) (5,795) 36,132 (1,061) (31,818)
Forward contracts        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative gain (loss) $ 106 $ 182 $ (100) $ 363