Securities - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Debt Securities, Available-for-sale [Line Items]
Available for sale securities, explicit or implicit performance indicating factors percentage	88.00%
Allowance for credit losses - held to maturity securities	$ 32	$ 32
Secure government, public and trust deposits
Debt Securities, Available-for-sale [Line Items]
Available for sale securities pledged as collateral	1,716,468	1,732,787
Short-term borrowings
Debt Securities, Available-for-sale [Line Items]
Available for sale securities pledged as collateral	8,896	9,023
Derivative Instruments
Debt Securities, Available-for-sale [Line Items]
Available for sale securities pledged as collateral	$ 21,377	$ 18,732