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Derivative Instruments - Narrative (Details)
$ in Thousands
Sep. 30, 2020
USD ($)
Dec. 31, 2019
USD ($)
Derivative [Line Items]    
Interest rate cash flow hedge gain (loss) to be reclassified during next 12 months $ 152,334  
Derivative Liability, Fair Value, Amount Offset Against Collateral 602,507 $ 274,625
Assets Needed for Immediate Settlement, Aggregate Fair Value $ (631,397)  
Not Designated as Hedging Instrument | Minimum    
Derivative [Line Items]    
Interest rate cap 3.75%  
Not Designated as Hedging Instrument | Maximum    
Derivative [Line Items]    
Interest rate cap 5.31%  
Interest rate caps | Not Designated as Hedging Instrument    
Derivative [Line Items]    
Debt service coverage ratio 1.2