Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details 3)

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Financial Instruments (Details 3) - USD ($)
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Fair Value Disclosures [Abstract]        
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount $ 0     $ 0
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]        
Derivative Asset   $ 1,623,000    
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss) (194,000) (618,000)    
Derivative Asset   $ 1,005,000    
Derivative Liability $ 231,000   $ 37,000