PREMISES AND EQUIPMENT - Components of Premises and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Abstract]
Land	$ 9,771	$ 9,771
Buildings and leasehold improvements	78,210	74,607
Equipment	58,467	58,506
Total premises and equipment	146,448	142,884
Less: accumulated depreciation and amortization	(86,958)	(82,841)
Net premises and equipment	$ 59,490	$ 60,043