Quarterly report pursuant to Section 13 or 15(d)

Derivative Contracts - Derivative Gains (Losses) (Details)

v3.4.0.3
Derivative Contracts - Derivative Gains (Losses) (Details) - Not Designated as Hedging Instrument - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative gain (loss) $ (1,423) $ (49,788)
Common Stock options/warrants    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative gain (loss) (986) 3,871
Notes    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative gain (loss) (138) (53,730)
Forward contracts    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative gain (loss) $ (299) $ 71