Annual report pursuant to Section 13 and 15(d)

Derivative Contracts (Details 1)

v3.3.1.900
Derivative Contracts (Details 1) - Not Designated as Hedging Instrument - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]      
Total $ (39,083) $ (10,632) $ (45,942)
Common stock options/warrants      
Derivative Instruments, Gain (Loss) [Line Items]      
Total (2,854) 1,193 6,544
2033 Senior Notes      
Derivative Instruments, Gain (Loss) [Line Items]      
Total (36,588) (12,213) (52,742)
Forward contracts      
Derivative Instruments, Gain (Loss) [Line Items]      
Total $ 359 $ 388 $ 256