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Investments Securities - Additional Information (Details)	9 Months Ended
	Sep. 30, 2024 USD ($) security	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) investment
Investments, Debt and Equity Securities [Abstract]
Available-for-sale securities, accrued interest			$ 718,000
Held-to-maturity securities, accrued interest	$ 224,000		234,000
Investments in debt securities with amortized cost pledged to secure public deposits	20,400,000		21,800,000
Investment securities pledged to secure debt	$ 24,100,000		$ 25,000,000.0
Number of securities matured | security	2
AFS securities matured	$ 100,000,000
Number of securities purchased | security	0
Sale of securities	$ 0	$ 0
Number of securities in unrealized loss position	7		9
Gross unrealized losses for investment securities	$ 136,000		$ 823,000
Maturity of time horizon	1 year

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Debt securities available for sale and held to maturity continuous unrealized loss position accumulated loss.

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Investment securities pledged to secure debt amortized cost.

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Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Period of time between issuance and maturity of customer deposits, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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