Quarterly report pursuant to Section 13 or 15(d)

Deferred Charges, Goodwill And Other Assets, Net (Narrative) (Details)

v3.19.1
Deferred Charges, Goodwill And Other Assets, Net (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]    
Derivatives, Net liability position $ 0  
Collateral for fair value of assets 0  
Credit Risk Contract [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Net liability 0  
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative notional amount 585,000,000  
Ineffective gain (loss) in interest expense 0 $ 74,000
Estimated additional amount to be reclassified to interest expense 4,500,000  
Notional Value $ 90,000,000