Annual report pursuant to Section 13 and 15(d)

Derivative Instruments and Hedging Activities Schedule of Interest Rate Swaptions (Details)

v3.22.4
Derivative Instruments and Hedging Activities Schedule of Interest Rate Swaptions (Details) - USD ($)
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2020
Derivative [Line Items]      
Notional $ (17,159,801,000) $ (14,262,996,000) $ (23,932,603,000)
Percentage of Underlying Swaps Tied to LIBOR 100.00%    
Interest Rate Swaption [Member] | Long [Member] | Variable Income Interest Rate [Member] | Less Than Six Months Remaining Maturity [Member]      
Derivative [Line Items]      
Cost Basis $ (11,314,000)    
Fair Value $ (3,539,000)    
Weighted Average Remaining Maturity 5 months 10 days    
Interest Rate Swaption [Member] | Short [Member] | Variable Income Interest Rate [Member] | Greater than or Equal to Six Months Remaining Maturity      
Derivative [Line Items]      
Cost Basis $ (26,329,000)    
Fair Value $ (23,958,000)    
Weighted Average Remaining Maturity 1 year 5 months 24 days    
Interest Rate Swaption [Member] | Short [Member] | Fixed Income Interest Rate [Member] | Less Than Six Months Remaining Maturity [Member]      
Derivative [Line Items]      
Cost Basis $ (10,640,000)    
Fair Value $ (6,856,000)    
Weighted Average Remaining Maturity 5 months 3 days    
Interest Rate Swaption [Member] | Short [Member] | Fixed Income Interest Rate [Member] | Greater than or Equal to Six Months Remaining Maturity      
Derivative [Line Items]      
Cost Basis $ (26,329,000)    
Fair Value $ (24,468,000)    
Weighted Average Remaining Maturity 1 year 6 months 28 days    
Underlying Swap [Member] | Long [Member] | Variable Income Interest Rate [Member] | Less Than Six Months Remaining Maturity [Member]      
Derivative [Line Items]      
Weighted Average Remaining Maturity 10 years    
Notional $ (886,000,000)    
Weighted Average Fixed Interest Rate 2.26%    
Underlying Swap [Member] | Short [Member] | Variable Income Interest Rate [Member] | Greater than or Equal to Six Months Remaining Maturity      
Derivative [Line Items]      
Weighted Average Remaining Maturity 10 years    
Notional $ (780,000,000)    
Weighted Average Fixed Interest Rate 1.72%    
Underlying Swap [Member] | Short [Member] | Fixed Income Interest Rate [Member] | Less Than Six Months Remaining Maturity [Member]      
Derivative [Line Items]      
Weighted Average Remaining Maturity 10 years    
Notional $ (1,087,000,000)    
Weighted Average Fixed Interest Rate 1.26%    
Underlying Swap [Member] | Short [Member] | Fixed Income Interest Rate [Member] | Greater than or Equal to Six Months Remaining Maturity      
Derivative [Line Items]      
Weighted Average Remaining Maturity 10 years    
Notional $ (780,000,000)    
Weighted Average Fixed Interest Rate 1.72%