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Loans and Allowance for Credit Losses - Additional information (Details) $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($) loan	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Risk category of loans by loan segment, based on the most recent analysis performed by management
Accrued interest receivable on loans	$ 12.1		$ 11.4
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Interest Receivable		Interest Receivable
Number of loans modified		0.0
CRE Nonowner Occupied
Risk category of loans by loan segment, based on the most recent analysis performed by management
Number of loans modified | loan	1
Aggregate outstanding balances of troubled debt restructurings	$ 8.6
Loan extension term (in years)	3 years

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