Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments And Risk Management (Narrative) (Details)

v3.5.0.2
Financial Instruments And Risk Management (Narrative) (Details)
3 Months Ended
Jun. 30, 2016
USD ($)
Derivative [Line Items]  
Deferred net gains on derivatives accumulated in other comprehensive income expected reclassification to net income in next twelve months $ 3,622,000
Maximum [Member]  
Derivative [Line Items]  
Derivatives maximum remaining maturity 3 years
Aggregate unrealized gain of derivative contracts with single counterparty $ 1,000,000