Quarterly report pursuant to Section 13 or 15(d)

(Derivative Instruments) (Details)

v3.20.2
(Derivative Instruments) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Derivative [Line Items]        
Unrealized loss on cash flow hedge $ (2,249) $ 0 $ (38,845) $ 0
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]        
Derivative [Line Items]        
Interest rate swap, notional amount $ 500,000   $ 500,000  
Fixed interest rate on interest rate swap 3.397%   3.397%  
Unrealized loss on cash flow hedge $ (2,200)   $ (38,800)  
Estimated loss in other comprehensive loss to be reclassified during next 12 months $ (8,300)   $ (8,300)