Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments (Details 1)

v3.19.3
Financial Instruments (Details 1) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Derivative Asset $ 12 $ 1,623 $ 2,452 $ 734
Fair Value, Recurring [Member] | Estimate of Fair Value Measurement [Member] | Derivative Financial Instruments, Assets [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Derivative Asset $ 12 $ 1,623