DERIVATIVE INSTRUMENTS - Schedule of Derivative Instruments not Designated as Hedges Outstanding (Detail) - Not Designated as Hedging Instrument - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Other assets \| Interest Rate Swap With Financial Institutions One
Derivatives Fair Value [Line Items]
Notional amounts	$ 64,456	$ 65,290
Fair value, asset	3,774	3,684
Other assets \| Financial institution counterparties
Derivatives Fair Value [Line Items]
Notional amounts	2,800	2,800
Fair value, asset	154	147
Other assets \| Interest Rate Swap With Customers Two
Derivatives Fair Value [Line Items]
Notional amounts	39,357	39,357
Fair value, asset	186	421
Other assets \| Credit Risk Participation Agreement With Financial Institution
Derivatives Fair Value [Line Items]
Notional amounts	18,846	19,064
Fair value, asset	6	6
Other liabilities \| Interest Rate Swap With Financial Institutions Two
Derivatives Fair Value [Line Items]
Notional amounts	39,357	39,357
Fair value, liability	(186)	(421)
Other liabilities \| Customer counterparties
Derivatives Fair Value [Line Items]
Notional amounts	64,456	65,290
Fair value, liability	(3,774)	(3,684)
Other liabilities \| Interest Rate Caps With Customer Counterparties
Derivatives Fair Value [Line Items]
Notional amounts	2,800	2,800
Fair value, liability	$ (154)	$ (147)