Quarterly report pursuant to Section 13 or 15(d)

(Derivative Instruments) (Details)

v3.20.2
(Derivative Instruments) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Derivative [Line Items]        
Unrealized loss on cash flow hedge $ (5,765) $ 0 $ (36,596) $ 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 $ (5,800)   $ (36,600)  
Estimated loss in other comprehensive loss to be reclassified during next 12 months $ 7,500   $ 7,500