Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments And Risk Management (Narrative) (Details)

v3.19.2
Financial Instruments And Risk Management (Narrative) (Details)
6 Months Ended
Jun. 30, 2019
USD ($)
Derivative [Line Items]  
Deferred net gains on derivatives accumulated in other comprehensive income expected reclassification to net income in next twelve months $ 10,600,000
Derivatives maximum remaining maturity 4 years
Maximum [Member]  
Derivative [Line Items]  
Aggregate unrealized gain of derivative contracts with single counterparty $ 5,000,000.0