Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
Deferred Charges, Goodwill And Other Assets, Net (Narrative) (Details) - USD ($)
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Credit Risk Contract [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Net liability $ 7,700,000  
Settlement obligation 7,700,000  
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative notional amount 350,000,000  
Ineffective increase to interest expense 913,000  
Estimated additional amount to be reclassified to interest expense 3,100,000  
Not Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of increase in the fair value of derivatives $ 1,000 $ 63,000