Borrowings - Additional Information (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Debt Disclosure [Abstract] | |||
| Pledged loans receivable, carrying value | $ 1,990,000,000 | ||
| Total borrowing capacity available from the collateral | 1,540,000,000 | ||
| Remaining available borrowing capacity | 1,070,000,000.00 | ||
| Available for use through the Federal Reserve Bank of San Francisco discount window | 22,000,000.0 | ||
| Pledged loans, carrying values | 23,400,000 | ||
| Borrowings | 0 | ||
| Advances from the FHLB | 350,000,000.0 | $ 137,500,000 | |
| Increase in the advances from the FHLB | 212,500,000 | ||
| Overnight advances from federal home loan banks | 250,000,000.0 | ||
| Term borrowings | 100,000,000.0 | ||
| Interest expense on FHLB | $ 2,200,000 | $ 1,700,000 | $ 2,200,000 |
| Weighted-average interest rates | 1.52% | 1.17% | 1.42% |
| X | ||||||||||
- Definition Available Borrowing From Federal Reserve Discount Window No definition available.
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- Definition Borrowing. No definition available.
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- Definition Borrowing capacity available based on pledged collateral. No definition available.
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- Definition Borrowing capacity based on pledged collateral. No definition available.
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| X | ||||||||||
- Definition Carrying Value Of Loans Pledged As Collateral For FHLB Advances No definition available.
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| X | ||||||||||
- Definition Federal Home Loan Bank, Advances, Maturities Summary, Due Overnight No definition available.
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| X | ||||||||||
- Definition Amount of interest expense on loans received from Federal Home Loan Bank (FHLB). No definition available.
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- References No definition available.
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- Definition Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions. No definition available.
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- 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
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- 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
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- Definition Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in loans from another Federal Home Loan Bank (FHLBank). No definition available.
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