v3.26.3
Derivative Financial Instruments - Schedule of Derivative Instruments (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Derivative [Line Items]    
Estimated fair value, asset derivative $ 388,124 $ 81,977
Estimated fair value, liability derivative 446,270 78,258
Offsetting derivative liabilities (206,671) (33,926)
Offsetting derivative assets (206,671) (33,926)
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset (166,992) (7,159)
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset (99,503) (19,874)
Net asset derivatives included in the consolidated balance sheets 14,461 40,892
Net liability derivatives included in the consolidated balance sheets $ 140,096 $ 24,458
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other Assets Other Assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other liabilities Other liabilities
Derivatives designated as hedges | Swaps | Cash Flow Hedging    
Derivative [Line Items]    
Residential MSRs, notional amount $ 3,200,000 $ 2,050,000
Estimated fair value, asset derivative 0 4,067
Estimated fair value, liability derivative 42,433 770
Derivatives designated as hedges | Swaps | Fair Value Hedging    
Derivative [Line Items]    
Residential MSRs, notional amount 400,000 0
Estimated fair value, asset derivative 0 0
Estimated fair value, liability derivative 23,228 0
Non-hedging derivatives | Swaps | Customer-Initiated and Other Derivatives    
Derivative [Line Items]    
Residential MSRs, notional amount 7,322,926 6,669,382
Estimated fair value, asset derivative 63,651 31,587
Estimated fair value, liability derivative 63,651 31,587
Non-hedging derivatives | Foreign currency forward contracts | Customer-Initiated and Other Derivatives    
Derivative [Line Items]    
Residential MSRs, notional amount 1,026,335 265,943
Estimated fair value, asset derivative 8,327 1,212
Estimated fair value, liability derivative 7,751 984
Non-hedging derivatives | Commodity contracts | Customer-Initiated and Other Derivatives    
Derivative [Line Items]    
Residential MSRs, notional amount 232,235 0
Estimated fair value, asset derivative 7,258 0
Estimated fair value, liability derivative 6,517 0
Non-hedging derivatives | Caps and floors written | Customer-Initiated and Other Derivatives    
Derivative [Line Items]    
Residential MSRs, notional amount 2,852,851 2,740,883
Estimated fair value, asset derivative 202 3,718
Estimated fair value, liability derivative 9,314 1,054
Non-hedging derivatives | Caps and floors purchased | Customer-Initiated and Other Derivatives    
Derivative [Line Items]    
Residential MSRs, notional amount 2,894,131 2,782,162
Estimated fair value, asset derivative 9,331 1,179
Estimated fair value, liability derivative 219 3,842
Non-hedging derivatives | Forward contracts | Customer-Initiated and Other Derivatives    
Derivative [Line Items]    
Residential MSRs, notional amount 28,748,524 22,454,928
Estimated fair value, asset derivative 299,355 40,214
Estimated fair value, liability derivative $ 293,157 $ 40,021