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Borrowings - Schedule of Borrowings (Detail) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Outstanding Balance |  |  |
Open advances | $ 212,500 | $ 250,000 |
Outstanding advances | $ 325,000 | $ 350,000 |
Weighted Average Rate |  |  |
Open advances (percent) | 5.70% | 4.65% |
Outstanding advances (percent) | 4.69% | 3.57% | 1.05%
FHLB of San Francisco |  |  |
Outstanding Balance |  |  |
Open advances | $ 212,500 | $ 250,000 |
Advances due within 12 months | 37,500 | 50,000 |
Advances due over 12 months through 24 months | 12,500 | 37,500 |
Advances due over 24 months through 36 months | 62,500 | 12,500 |
Outstanding advances | $ 325,000 | $ 350,000 |
Weighted Average Rate |  |  |
Open advances (percent) | 5.70% | 4.65% |
Advances due within 12 months (percent) | 0.40% | 0.97% |
Advances due over 12 months through 24 months (percent) | 1.90% | 0.40% |
Advances due over 24 months through 36 months (percent) | 4.37% | 1.90% |
Outstanding advances (percent) | 4.69% | 3.57% |

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- Definition Weighted average interest rate of advance from Federal Home Loan Bank (FHLBank) due in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)(3)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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