Annual report pursuant to Section 13 and 15(d)

Borrowings - Senior Secured Revolving Credit Facility (Details)

v3.22.0.1
Borrowings - Senior Secured Revolving Credit Facility (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Nov. 01, 2021
May 03, 2021
Dec. 31, 2020
Oct. 03, 2016
Line of Credit Facility [Line Items]          
Borrowings outstanding $ 2,722,921,000     $ 3,012,641,000  
Unsecured debt          
Line of Credit Facility [Line Items]          
Repurchase amount     $ 100,000,000    
Minimum          
Line of Credit Facility [Line Items]          
Outstanding principal amount of issuance $ 100,000,000        
6.125% Senior Notes due 2024          
Line of Credit Facility [Line Items]          
Debt instrument, interest rate, stated (as a percent) 6.125%       6.125%
6.125% Senior Notes due 2024 | Unsecured debt          
Line of Credit Facility [Line Items]          
Borrowings outstanding $ 460,241,000     $ 460,241,000  
Debt instrument, interest rate, stated (as a percent) 6.125%        
New Credit Facility          
Line of Credit Facility [Line Items]          
Maximum borrowing capacity $ 5,000,000,000        
Current borrowing capacity 1,600,000,000 $ 1,600,000,000 $ 1,600,000,000    
Borrowings outstanding $ 785,000,000        
Interest rate at period end (as a percent) 2.65%        
Letters of credit outstanding $ 24,000,000        
New Credit Facility | Minimum          
Line of Credit Facility [Line Items]          
Unused capacity, commitment fee (as a percent) 0.375%        
New Credit Facility | Maximum          
Line of Credit Facility [Line Items]          
Unused capacity, commitment fee (as a percent) 0.50%        
New Credit Facility | Base Rate | Minimum          
Line of Credit Facility [Line Items]          
Debt instrument interest rate 1.00%        
New Credit Facility | Base Rate | Maximum          
Line of Credit Facility [Line Items]          
Debt instrument interest rate 2.00%        
New Credit Facility | Federal Funds Rate          
Line of Credit Facility [Line Items]          
Debt instrument interest rate 0.50%        
New Credit Facility | LIBOR          
Line of Credit Facility [Line Items]          
Debt instrument interest rate 1.00%        
New Credit Facility | Eurodollar | Minimum          
Line of Credit Facility [Line Items]          
Debt instrument interest rate 2.00%        
New Credit Facility | Eurodollar | Maximum          
Line of Credit Facility [Line Items]          
Debt instrument interest rate 3.00%