Investment Securities - Narrative (Details)	3 Months Ended
Mar. 31, 2024 USD ($) security	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($) security
Schedule of Available-for-sale Securities
Debt securities available for sale, allowance for credit loss	$ 0		$ 0
12 months or more, number of securities \| security	427		420
Gross gains (losses) from sales of held to maturity	$ 0	$ 0
Debt securities held to maturity, allowance for credit loss	$ 238,000		$ 238,000
Federal and state income tax rate	23.20%
Proceeds from sale of FHLB stock	$ 8,000,000
Purchase of FRB stock	6,500,000
Unrealized gain	$ 47,000	$ 21,000
Bank-issued trust preferred securities
Schedule of Available-for-sale Securities
12 months or more, number of securities \| security	3		3
U.S. government sponsored agencies
Schedule of Available-for-sale Securities
12 months or more, number of securities \| security	15		15
Loss in event of default	$ 0
Debt securities held to maturity, allowance for credit loss	0		$ 0
Investment Securities
Schedule of Available-for-sale Securities
Interest receivable	$ 9,800,000		$ 8,800,000

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Amount excluding accrued interest, of allowance for credit loss 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 continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of unrealized gain on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of realized gain (loss) from sale of investment in debt security measured at amortized cost (held-to-maturity).

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Amount of cash outflow to acquire Federal Home Loan Bank (FHLB) stock.

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