Quarterly report pursuant to Section 13 or 15(d)

Derivative Contracts - Derivative Gains (Losses) (Details)

v3.19.3
Derivative Contracts - Derivative Gains (Losses) (Details) - Not Designated as Hedging Instrument - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative gain (loss) $ (21) $ (155) $ 6 $ 3,489
Common Stock options/warrants        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative gain (loss) (368) (288) (392) 3,299
Forward contracts        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative gain (loss) $ 347 $ 133 $ 398 $ 190