v3.19.3
Derivative Financial Instruments (Derivatives And Hedging-Cash Flow Hedges) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]        
Net gain (loss) on cash flow hedges $ (14,181) $ 6,852 $ (25,216) $ 13,963
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Contract [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Net gain (loss) on cash flow hedges (14,181) 6,852 (25,216) 13,963
Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Interest Rate Contract [Member] | Interest Expense [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net $ (699) $ (740) $ (1,927) $ (2,219)