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Investment Securities - Narrative (Details)	3 Months Ended		6 Months Ended		12 Months Ended
Investment Securities - Narrative (Details)	Jun. 30, 2026 USD ($) security	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) security	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) security
Schedule of Available-for-sale Securities
12 months or more, number of securities \| security	295		295		423
Federal and state income tax rate			21.00%
Gross gains (losses) from sales of held to maturity			$ 0		$ 0
Debt securities held to maturity, allowance for credit loss	$ 233,000		233,000		236,000
Proceeds from sale of FHLB stock			20,200,000
Purchase of FRB stock			26,800,000
Unrealized loss				$ 2,000
Unrealized gain	53,000	$ 7,000	33,000
Debt securities available for sale, allowance for credit loss	0		0		0
Investment Securities
Schedule of Available-for-sale Securities
Interest receivable	$ 8,700,000		$ 8,700,000		$ 9,000,000.0
Bank-issued trust preferred securities
Schedule of Available-for-sale Securities
12 months or more, number of securities \| security	1		1		2