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Other Borrowings - Additional Information (Detail) | Dec. 31, 2023 USD ($)
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Debt Disclosure [Abstract] |
Repurchase investment securities sold and pledged as collateral under securities repurchase agreement | $ 32,600,000
FHLB collateral line of credit, maximum borrowings capacity | 2,500,000,000
FHLB, amount outstanding | 600,000,000
Loans designated as potential collateral under collateralized line of credit with FHLB | 69,200,000
Investment securities designated as potential collateral under collateral line of credit | 4,600,000,000
Collateralized line of credit with San Francisco Federal Reserve Bank, maximum borrowings capacity | 350,000,000
Collateralized line of credit with San Francisco Federal Reserve Bank, outstanding balance | 0
Loans designated as potential collateral under collateral line of credit with San Francisco Federal Reserve Bank | 444,500,000
Unused correspondent banking lines of credit from commercial banks for federal funds | $ 30,000,000

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- Definition Loans designated as potential collateral under collateral line of credit with FRB. + References No definition available. + Details
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- Definition Securities sold under agreements to collateralized. + References No definition available. + Details
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- Definition Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB). + 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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 470 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480876/942-470-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22 (b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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