Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Deferred Charges, Goodwill And Other Assets, Net (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Credit Risk Contract [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Net liability $ 0   $ 0  
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivative notional amount 0   0  
Estimated additional amount to be reclassified to interest expense     0  
Interest And Other Investment Income (Loss) [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Swaps [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Reclassification of a gain $ 0 $ 132,000 $ 0 $ 1,926,000