Derivative Instruments Designated As Hedging Instruments Interest Expense

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- Definition

Derivative Liability, Cost Basis, Gross Asset

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Derivative Liability, Notional Amount, Gross Asset

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- Definition

[Line Items] for Risk participation Agreements [Table]

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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- Definition

Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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- Definition

The underlying refers to the price on the security, commodity, index, or other variable specified by the contract.

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No definition available.

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- Definition

Number of credit risk derivative instruments held.

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Derivatives - Additional Information (Detail) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026 USD ($) Derivatives	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) Derivatives	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
Risk participation Agreements [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 95	$ 0	$ 89	$ (153)
Risk Participation Agreements Purchased [Domain]
Risk participation Agreements [Line Items]
Number of interest rate swaps \| Derivatives	20		20
Risk Participation Agreements Sold [Domain]
Risk participation Agreements [Line Items]
Number of interest rate swaps \| Derivatives	16		16
Not Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Fair Value, Net	$ 96		$ 96		$ 185
Interest Rate Swap [Member]
Risk participation Agreements [Line Items]
Derivative Instruments Designated As Hedging Instruments Interest Expense	240	312	483	622
Derivative, Gain (Loss) on Derivative, Net	(300)	(2,600)	(1,400)	(6,300)
Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Fair Value, Net	(514)		(514)		766
Derivative, Notional Amount	65,000		65,000		215,000
Derivative, Gain (Loss) on Derivative, Net	300		100
Interest Rate Swap [Member] \| Not Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Notional Amount	956,044		956,044		1,000,541
Forward Contracts [Member]
Risk participation Agreements [Line Items]
Derivative Liability, Cost Basis, Gross Asset	16,100		16,100		19,500
Derivative Liability, Fair Value, Gross Asset	18,100		18,100		21,500
Derivative Liability, Notional Amount, Gross Asset	69,700		69,700		48,100
Forward Contracts [Member] \| Not Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Fair Value, Net	59		59		133
Derivative, Notional Amount	72,000		72,000		49,000
Derivative, Gain (Loss) on Derivative, Net	(327)	$ (614)	74	$ (741)
Interest Rate Contract [Member] \| Not Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Notional Amount	69,661		$ 69,661		$ 48,143
Interest Rate Macro Swap \| Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Underlying			25.0 million
Interest Rate Macro Swap \| Designated as Hedging Instrument [Member] \| 5/1/2026
Risk participation Agreements [Line Items]
Derivative, Notional Amount	150,000		$ 150,000
Interest Rate Macro Swap \| Designated as Hedging Instrument [Member] \| 10/15/2026
Risk participation Agreements [Line Items]
Derivative, Notional Amount	25,000		25,000
Interest Rate Macro Swap \| Designated as Hedging Instrument [Member] \| 2024 [Member]
Risk participation Agreements [Line Items]
Derivative, Notional Amount	75,000		75,000
Interest Rate Macro Swap \| Designated as Hedging Instrument [Member] \| 2025
Risk participation Agreements [Line Items]
Derivative, Notional Amount	150,000		150,000
Interest Rate Macro Swap \| Designated as Hedging Instrument [Member] \| August 2025
Risk participation Agreements [Line Items]
Derivative, Notional Amount	25,000		25,000
Interest Rate Swap Member - Debt \| Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Notional Amount	40,000		40,000
2024 [Member] \| Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Notional Amount	30,000		30,000
2026 [Member] \| Interest Rate Swap [Member] \| Designated as Hedging Instrument [Member]
Risk participation Agreements [Line Items]
Derivative, Notional Amount	$ 40,000		$ 40,000