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Securities (Details Textual) $ in Thousands	Jun. 30, 2026 USD ($) security	Dec. 31, 2025 USD ($) security
Debt Securities, Available-for-Sale [Line Items]
Accrued interest, available for sale	$ 2,800	$ 3,000
Accrued interest, held to maturity	1,100	1,100
Held-to-maturity, debt securities, allowance for credit loss	78	101
Continuous unrealized loss position, fair value	$ 643,800	$ 611,200
Continuous unrealized loss position, fair value (as a percent)	61.00%	59.00%
Number of securities in portfolio | security	628	618
Securities in unrealized loss position | security	419	395
Mortgage-backed securities
Debt Securities, Available-for-Sale [Line Items]
Percentage of investments issued by U.S. government-sponsored entities and agencies	86.00%	84.00%

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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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