Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details 3)

v3.10.0.1
Financial Instruments (Details 3) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2018
Jun. 30, 2017
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]      
Derivative Asset   $ 734 $ 0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) $ 300 1,728 0
Derivative Asset $ 2,462 $ 2,462 $ 0