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Borrowings - Schedule of Available Unused Lines of Credit (Parenthetical) (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Short-Term Debt [Line Items]
Federal Home Loan Bank, advances, general debt obligations, disclosures, collateral pledged	$ 60.9	$ 61.7
Collateral exposure with FHLB in form of advances	45.0	40.0
Collateral pledged in excess available to utilize additional credit	$ 15.9	$ 21.7

X

- Definition

Amount of collateral pledged in excess available to utilize additional credit.

+ References

No definition available.

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X

- Definition

Amount of advances from the Federal Home Loan Bank (FHLB).

+ References

Reference 1: 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

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- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

+ References

Reference 1: 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

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-SubTopic 470
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480848/942-470-50-3

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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