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v3.25.3

Borrowings (Details) - USD ($) $ in Thousands |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 15, 2025 | Sep. 01, 2025 | Jun. 13, 2025 | Sep. 30, 2025 | Dec. 31, 2024
Secured Debt, Repurchase Agreements |  |  |  |  |
Carrying amount of securities sold under repurchase agreements with customers |  |  |  | $ 256,700 | $ 254,700
Carrying amount of the securities pledged to collateralize repurchase agreements |  |  |  | 8,505,745 | 6,798,876
Federal funds purchased |  |  |  | 337,357 | 260,191
Loans held for investment, net of allowance for credit losses |  |  |  | 47,077,778 | 33,437,647
Net proceeds |  |  | $ 346,500 |  |
FRB Borrowings |  |  |  |  |
Secured Debt, Repurchase Agreements |  |  |  |  |
Debt Instrument Collateral Amount |  |  |  | 12,000,000 |
Letter of credit outstanding |  |  |  | 0 | 0
Maximum borrowing capacity |  |  |  | 12,000,000 |
Loans held for investment, net of allowance for credit losses |  |  |  | 15,900,000 |
Subordinated Debt |  |  |  |  |
Secured Debt, Repurchase Agreements |  |  |  |  |
Original Principal amount |  |  | $ 350,000 |  |
Fixed interest rate (as a percent) |  |  | 7.00% |  |
Spread on variable rate basis (as a percent) |  |  | 3.19% |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  |  | us-gaap:SecuredOvernightFinancingRateSofrMember |  |
Outstanding debentures |  |  |  | 405,000 |
Debt Instrument Carrying Amount |  |  |  | 525,000 |
Subordinated Debt | Debt instrument, redemption rate of 9.94% |  |  |  |  |
Secured Debt, Repurchase Agreements |  |  |  |  |
Outstanding debentures |  | $ 200,000 |  |  |
Redeemed percentage rate |  | 9.94% |  |  |
Subordinated Debt | Debt instrument redemption rate of 4.00% |  |  |  |  |
Secured Debt, Repurchase Agreements |  |  |  |  |
Outstanding debentures | $ 130,000 |  |  |  |
Redeemed percentage rate | 4.00% |  |  |  |
Subordinated Debt | Debt instrument redemption rate of 5.50% |  |  |  |  |
Secured Debt, Repurchase Agreements |  |  |  |  |
Outstanding debentures | $ 75,000 |  |  |  |
Redeemed percentage rate | 5.50% |  |  |  |
FHLB Advances |  |  |  |  |
Secured Debt, Repurchase Agreements |  |  |  |  |
Outstanding advances |  |  |  | 0 | 0
Debt Instrument Collateral Amount |  |  |  | 5,500,000 |
Amount of cash pledged as collateral |  |  |  | 153,600 |
Secured collateral |  |  |  | 17,800 |
Unused net credit available with the FHLB |  |  |  | 5,600,000 |
Debt Instrument Unused Borrowing Capacity Amount |  |  |  | $ 5,600,000 |
Asset Pledged as Collateral | FRB Borrowings |  |  |  |  |
Secured Debt, Repurchase Agreements |  |  |  |  |
Financing Receivable, Pledging Purpose [Extensible Enumeration] |  |  |  | Federal funds purchased |
Asset Pledged as Collateral | FHLB Advances |  |  |  |  |
Secured Debt, Repurchase Agreements |  |  |  |  |
Debt Instrument Collateral Amount |  |  |  | $ 9,200,000 |
Amount of cash pledged as collateral |  |  |  | 216,700 |
Asset Pledged as Collateral | Securities sold under agreements to repurchase |  |  |  |  |
Secured Debt, Repurchase Agreements |  |  |  |  |
Carrying amount of the securities pledged to collateralize repurchase agreements |  |  |  | $ 311,900 | $ 370,400

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