REGULATORY MATTERS, COMMITMENTS, AND CONTINGENCIES - Summary of Commitments (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Commercial Letters Of Credit [Member]
Other Commitments [Line Items]
Commitments to extend credit	$ 69,543	$ 68,647
Standby letters of credit [Member] [Member]
Other Commitments [Line Items]
Commitments to extend credit	8,313	9,160
Commercial lines of credit [Member]
Other Commitments [Line Items]
Commitments to extend credit	862,963	761,634
Unused personal lines of credit [Member]
Other Commitments [Line Items]
Commitments to extend credit	38,956	41,988
Unused credit card lines [Member]
Other Commitments [Line Items]
Commitments to extend credit	882,486	936,231
Construction undisbursed funds [Member]
Other Commitments [Line Items]
Commitments to extend credit	$ 234,974	$ 170,639