Derivative Financial Instruments - Additional Information (Details) $ in Thousands	12 Months Ended
Dec. 31, 2025 USD ($) Contract	Dec. 31, 2024 USD ($) Contract	Dec. 31, 2023 USD ($)
Designated as Hedging Instrument [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Total excluded components of earnings recognition	$ 526	$ 474	$ 57
Designated as Hedging Instrument [Member] \| Interest Rate Swap [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Total notional amount	1,630,000	1,500,000
Interest and fees on LHFS and LHFI reclassified as a reduction over twelve months	704
Designated as Hedging Instrument [Member] \| Interest Rate Floor [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Total notional amount	$ 1,630,000	$ 1,500,000
Derivatives not Designated as Hedging Instruments [Member] \| Beneficiary [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Number of risk participation agreements \| Contract	10	11
Aggregate notional amount of credit risk participation agreements	$ 113,700	$ 83,900
Derivatives not Designated as Hedging Instruments [Member] \| Guarantor [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Number of risk participation agreements \| Contract	27	28
Aggregate notional amount of credit risk participation agreements	$ 267,900	$ 229,100
Derivatives not Designated as Hedging Instruments [Member] \| Mortgage Servicing Rights Hedge [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Total notional amount	345,500	311,500
Net (negative) positive ineffectiveness on MSR fair value	(2,600)	(9,200)	$ (6,300)
Derivatives not Designated as Hedging Instruments [Member] \| Interest Rate Swap [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Total notional amount	1,991,000	1,819,000
Termination value of derivatives	117	568
Collateral Posted	2,200	1,500
Derivatives not Designated as Hedging Instruments [Member] \| Forward Contracts [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet obligations	152,000	110,000
Valuation adjustment	(287)	679
Derivatives not Designated as Hedging Instruments [Member] \| Interest Rate Lock Commitments [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off-balance sheet obligations	74,500	52,100
Valuation adjustment	$ 998	$ 229

Interest and fees on LHFS and LHFI reclassified as a reduction over twelve months.

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Amount of net positive or negative ineffectiveness from comparing the total hedge cost to the changes in fair value of Mortgage Servicing Rights derivative assets attributable to interest rate changes.

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The number of risk participation agreements the entity has entered into.

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Termination value of derivatives in a net liability position, which includes accrued interest but excludes any adjustment for nonperformance risk, related to a provision from agreements with each of its derivative counterparties stating that the entity will be considered on default on its derivative obligations if the entity defaulted on payment of indebtedness, including default where repayment of the indebtedness has not been accelerated by the lender.

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Amount of positive (negative) valuation adjustment on the fair value of derivative instruments, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

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The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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Nominal or face amount used to calculate payments on the derivative asset.

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Amount of gain (loss) from excluded component of derivative hedge, recognized in earnings. Excludes recognition under systematic and rational method.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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