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Securities - Additional Information (Details Textual)	12 Months Ended
	Dec. 31, 2025 USD ($) security	Dec. 31, 2024 USD ($) security
Debt Securities, Available-for-sale [Line Items]
AFS debt securities, accrued interest receivable, location	Accrued interest receivable
HTM debt securities, accrued interest receivable, location	Accrued interest receivable
AFS debt securities, accrued interest receivable	$ 3,000,000.0	$ 2,800,000
HTM debt securities, accrued interest receivable	1,100,000	1,100,000
Allowance for credit loss on HTM securities	101,000	154,000
Gross realized gain	0
Fair value	778,687,000	587,355,000
Total fair value	$ 611,200,000	$ 603,900,000
Percentage of available-for-sale portfolio	59.00%	72.00%
Number of securities in portfolio | security	618	482
Number of securities in portfolio, unrealized loss position | security	395	579
Mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
AFS and HTM securities, percentage (over)	84.00%	92.00%
Asset Pledged as Collateral
Debt Securities, Available-for-sale [Line Items]
Fair value	$ 986,700,000

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