Borrowings - Additional Information (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Debt Disclosure [Abstract] | |||
| Pledged loans receivable, carrying value | $ 2,460,000,000 | ||
| Total borrowing capacity available from the collateral | 1,690,000,000 | ||
| Remaining available borrowing capacity | 1,300,000,000 | ||
| Available for use through the Federal Reserve Bank of San Francisco discount window | 27,600,000 | $ 23,200,000 | |
| Pledged loans, carrying values | 29,400,000 | 24,800,000 | |
| Outstanding borrowing capacity | 0 | 0 | |
| Borrowings | 0 | 0 | |
| Interest expense on FHLB | $ 6,700,000 | $ 6,900,000 | $ 2,200,000 |
| FHLB, advances, weighted-average interest rate during the year | 4.37% | 3.48% | 1.52% |
| X | ||||||||||
- Definition Available Borrowing From Federal Reserve Discount Window No definition available.
|
| X | ||||||||||
- Definition Borrowing. No definition available.
|
| X | ||||||||||
- Definition Borrowing capacity available based on pledged collateral. No definition available.
|
| X | ||||||||||
- Definition Borrowing capacity based on pledged collateral. No definition available.
|
| X | ||||||||||
- Definition Carrying Value Of Loans Pledged As Collateral For FHLB Advances No definition available.
|
| X | ||||||||||
- Definition Amount of interest expense on loans received from Federal Home Loan Bank (FHLB). No definition available.
|
| X | ||||||||||
- Definition Outstanding borrowing capacity. No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of the collateral pledged in support of federal home loan bank advances outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|