Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details 3)

v3.19.1
Financial Instruments (Details 3) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Fair Value Disclosures [Abstract]    
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount $ 0 $ 0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]    
Derivative Asset 1,623,000 734,000
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) (618,000) 1,384,000
Derivative Asset $ 1,005,000 $ 2,118,000