Annual report pursuant to Section 13 and 15(d)

Derivative Instruments - Schedule of Offsetting (Details)

v3.8.0.1
Derivative Instruments - Schedule of Offsetting (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Derivative asset, gross asset $ 87,532 $ 9,184
Derivative asset, netting adjustment (22,199) (9,184)
Derivative asset, net 65,333 0
Derivative liability, gross liability (35,523) (145,978)
Derivative liability, netting adjustment 22,199 9,184
Derivative liability, net $ (13,324) $ (136,794)