Quarterly report pursuant to Section 13 or 15(d)

Debt - Narrative (Details)

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Debt - Narrative (Details)
£ in Millions
1 Months Ended 3 Months Ended
Mar. 31, 2022
USD ($)
Apr. 26, 2022
Jul. 31, 2021
GBP (£)
Oct. 31, 2017
USD ($)
Mar. 31, 2022
USD ($)
Jan. 04, 2022
Dec. 31, 2021
USD ($)
Jul. 31, 2021
USD ($)
Debt Instrument [Line Items]                
Payments for foreign currency hedge | £     £ 509          
Construction loan payable $ 182,000,000       $ 182,000,000   $ 184,000,000  
Magellan Acquisition                
Debt Instrument [Line Items]                
Interest rate           4.40%    
Construction Loan Payable                
Debt Instrument [Line Items]                
Debt, face amount       $ 200,000,000        
Construction Loan Payable | Subsequent Event                
Debt Instrument [Line Items]                
Extension term   1 year            
LIBOR | Construction Loan Payable | Maximum                
Debt Instrument [Line Items]                
Basis spread on variable rate       2.70%        
LIBOR | Construction Loan Payable | Minimum                
Debt Instrument [Line Items]                
Basis spread on variable rate     2.00%          
SOFR | Construction Loan Payable | Subsequent Event                
Debt Instrument [Line Items]                
Basis spread on variable rate   1.85%            
Currency Swap                
Debt Instrument [Line Items]                
Derivative agreement               $ 705,000,000
Proceeds from termination of interest rate swaps $ 35,000,000              
Debt Total | Credit Availability Concentration Risk | LIBOR                
Debt Instrument [Line Items]                
Percentage of investments in rated securities carry an investment grade rating by nationally recognized statistical rating organizations         15.00%