Derivative Financial Instruments - Schedule of Notional Amount and Fair Value of Interest Rate Swaps (Detail) - Designated as Hedging Instrument [Member] - Interest Rate Swap [Member] - USD ($)	Jun. 30, 2026	Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Asset Derivative, Notional Amount	$ 0
Asset Derivatives, Fair Value	0
Liability Derivatives, Notional Amount	100,000,000	$ 100,000,000
Liability Derivatives, Fair Value	(414,000)	(1,555,000)
Loans [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Asset Derivative, Notional Amount	0
Asset Derivatives, Fair Value	0
Liability Derivatives, Notional Amount	100,000,000	100,000,000
Liability Derivatives, Fair Value	$ (414,000)	$ (1,555,000)

Fair value, before effects of master netting arrangements, of a financial asset or other 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. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

Fair value, before effects of master netting arrangements, of a 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. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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- Definition

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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