Investment Securities - Additional Information (Details)	Jun. 30, 2025 USD ($) Holding	Apr. 30, 2025 USD ($)	Dec. 31, 2024 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	$ 1,500,000		$ 1,500,000
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	$ 260,173,000		$ 244,119,000
Debt Securities, Available-for-Sale, Pledging Purpose [Extensible Enumeration]	Asset Pledged as Collateral		Asset Pledged as Collateral
Pledged securities expired		$ 142,800,000
Asset Pledged as Collateral
Debt Securities, Available-for-Sale [Line Items]
Securities available for sale	$ 1,400,000		$ 144,200,000
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%