Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments and Hedging Activities - Fair Value of Derivative Assets and Liabilities in Balance Sheet (Details)

v3.8.0.1
Derivative Financial Instruments and Hedging Activities - Fair Value of Derivative Assets and Liabilities in Balance Sheet (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Oct. 01, 2016
Derivative Asset      
Gross amounts presented in the Consolidated Balance Sheets $ 26,658 $ 103,340 $ 75,497
Gross amounts not offset in the Consolidated Balance Sheets (26,001) (22,341) (19,328)
Net amounts 657 80,999 56,169
Derivative Liability      
Gross amounts presented in the Consolidated Balance Sheets (89,212) (25,574) (32,181)
Gross amounts not offset in the Consolidated Balance Sheets 26,001 22,341 19,328
Net amounts $ (63,211) $ (3,233) $ (12,853)