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Federal Home Loan Bank Advances - Additional Information (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
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Federal Home Loan Bank, Advances [Line Items] |  |
Weighted-average rates of FHLB advances (in percent) | 3.36% | 3.15%
Modifications, unamortized prepayment fees | $ 15.7 | $ 20.2
FHLB Advances |  |
Federal Home Loan Bank, Advances [Line Items] |  |
Percentage of borrowings collateralized by investment securities and residential real estate loans (in percent) | 190.00% |

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- Definition Advances From Federal Home Loan Banks, Modifications, Unamortized Prepayment Fees + References No definition available. + Details
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- Definition Amount of collateral pledged as a percentage of outstanding secured debt. + References No definition available. + Details
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- Definition The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date. + 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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