Investment Securities - Additional Information (Details)	Jun. 30, 2026 USD ($) Holding	Dec. 31, 2025 USD ($) Holding
Debt Securities, Available-for-Sale [Line Items]
Number of holdings greater than 10 percent of bank equity \| Holding	0	0
Allowance for credit loss	$ 0	$ 0
Accrued interest receivable	$ 1,700,000	$ 1,600,000
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Gain (Loss) on Disposition of Assets	Gain (Loss) on Disposition of Assets
Securities available for sale	$ 338,035,000	$ 326,346,000
Debt Securities, Available-for-Sale, Pledging Purpose [Extensible Enumeration]	Asset Pledged as Collateral	Asset Pledged as Collateral
Asset Pledged as Collateral
Debt Securities, Available-for-Sale [Line Items]
Securities available for sale	$ 8,100,000	$ 5,900,000
US Government Agencies Debt Securities \| Minimum
Debt Securities, Available-for-Sale [Line Items]
Holdings of securities as percentage of bank equity	10.00%	10.00%

Holdings of securities as percentage of bank equity.

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The number of holdings of any one issuer in an amount greater than 10% of bank equity.

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