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Derivative Instruments and Hedging Activities - Activity of Derivative Instruments Not Designated as Hedges (Details) - Trading - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2023
Options    
Derivative Instruments and Hedging Activities Disclosures [Roll Forward]    
Beginning balance $ 81 $ 0
Additions 0 500,148
Terminations (81) (500,148)
Ending balance 0 0
Interest rate swaps    
Derivative Instruments and Hedging Activities Disclosures [Roll Forward]    
Beginning balance 900,925 0
Additions 1,356,309 2,257,234
Terminations 0 0
Ending balance $ 2,257,234 $ 2,257,234