v3.26.3
Derivatives and Hedging Activities - Schedule of Offsetting of Derivative Assets and Derivative Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Derivative Assets    
Gross recognized amount $ 1,342,133 $ 1,731,442
Gross amounts of netting adjustments and cash collateral (1,289,839) (1,631,975)
Net amounts after offsetting adjustments and cash collateral 52,294 99,467
Total derivative assets and total derivative liabilities presented in the Statements of Condition 52,312 99,548
Security collateral pledged as initial margin to Derivative Clearing Organization 839,285 845,578
Uncleared derivatives securities received as Variation Margin (25,953) (55,831)
Total net amount of non-cash collateral received or repledged 813,332 789,747
Net exposure 865,644 889,295
Derivative Liabilities    
Gross recognized amount 1,402,186 1,760,044
Gross amounts of netting adjustments and cash collateral (1,400,039) (1,755,955)
Total net amounts after offsetting adjustments and cash collateral 2,147 4,089
Total derivative assets and total derivative liabilities presented in the Statements of Condition 4,199 4,097
Total net exposure cash and non-cash 4,199 4,097
Uncleared derivatives    
Derivative Assets    
Gross recognized amount 348,334 366,860
Gross amounts of netting adjustments and cash collateral (310,783) (299,375)
Net amounts after offsetting adjustments and cash collateral 37,551 67,485
Uncleared derivatives 18 81
Total derivative assets and total derivative liabilities presented in the Statements of Condition 37,569 67,566
Net exposure 11,616 11,735
Derivative Liabilities    
Gross recognized amount 422,972 426,527
Gross amounts of netting adjustments and cash collateral (420,983) (423,355)
Total net amounts after offsetting adjustments and cash collateral 1,989 3,172
Uncleared derivatives 2,052 8
Total derivative assets and total derivative liabilities presented in the Statements of Condition 4,041 3,180
Total net exposure cash and non-cash 4,041 3,180
Cleared derivatives    
Derivative Assets    
Gross recognized amount 993,799 1,364,582
Gross amounts of netting adjustments and cash collateral (979,056) (1,332,600)
Net amounts after offsetting adjustments and cash collateral 14,743 31,982
Total derivative assets and total derivative liabilities presented in the Statements of Condition 14,743 31,982
Net exposure 854,028 877,560
Derivative Liabilities    
Gross recognized amount 979,214 1,333,517
Gross amounts of netting adjustments and cash collateral (979,056) (1,332,600)
Total net amounts after offsetting adjustments and cash collateral 158 917
Total derivative assets and total derivative liabilities presented in the Statements of Condition 158 917
Total net exposure cash and non-cash $ 158 $ 917