Securities (Details Textual) $ in Thousands	Sep. 30, 2025 USD ($) security	Dec. 31, 2024 USD ($) security
Debt Securities, Available-for-Sale [Line Items]
Accrued interest, available for sale	$ 2,500	$ 2,800
Accrued interest, held to maturity	1,000	1,100
Held-to-maturity, debt securities, allowance for credit loss	122	154
Continuous unrealized loss position, fair value	$ 589,100	$ 603,900
Continuous unrealized loss position, fair value (as a percent)	66.00%	72.00%
Number of securities in portfolio | security	593	579
Securities in unrealized loss position | security	421	482
Mortgage-backed securities
Debt Securities, Available-for-Sale [Line Items]
Percentage of investments issued by U.S. government-sponsored entities and agencies	95.00%	92.00%