LOANS HELD FOR INVESTMENT - Performance of Loans Modified During Period (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	$ 39,569
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	182
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	45
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	55
Total Delinquency [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	282
Current [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	39,287
Residential Portfolio Segment [Member] | Conventional Loan [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	1,738
Residential Portfolio Segment [Member] | Conventional Loan [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	14
Residential Portfolio Segment [Member] | Conventional Loan [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Residential Portfolio Segment [Member] | Conventional Loan [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Residential Portfolio Segment [Member] | Conventional Loan [Member] | Total Delinquency [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	14
Residential Portfolio Segment [Member] | Conventional Loan [Member] | Current [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	1,724
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	371
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Total Delinquency [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Current [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	371
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	32,392
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Total Delinquency [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Current [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	32,392
Construction Loans [Member] | Commercial Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Construction Loans [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Construction Loans [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Construction Loans [Member] | Commercial Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Construction Loans [Member] | Commercial Portfolio Segment [Member] | Total Delinquency [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Construction Loans [Member] | Commercial Portfolio Segment [Member] | Current [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Automobile Loan [Member] | Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	2,773
Automobile Loan [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	27
Automobile Loan [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	18
Automobile Loan [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	18
Automobile Loan [Member] | Consumer Portfolio Segment [Member] | Total Delinquency [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	63
Automobile Loan [Member] | Consumer Portfolio Segment [Member] | Current [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	2,710
Personal Loans [Member] | Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	340
Personal Loans [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	52
Personal Loans [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	0
Personal Loans [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	15
Personal Loans [Member] | Consumer Portfolio Segment [Member] | Total Delinquency [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	67
Personal Loans [Member] | Consumer Portfolio Segment [Member] | Current [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	273
Credit Card Receivables [Member] | Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	1,424
Credit Card Receivables [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	43
Credit Card Receivables [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	16
Credit Card Receivables [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	2
Credit Card Receivables [Member] | Consumer Portfolio Segment [Member] | Total Delinquency [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	61
Credit Card Receivables [Member] | Consumer Portfolio Segment [Member] | Current [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	1,363
Other Loans [Member] | Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	531
Other Loans [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	46
Other Loans [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	11
Other Loans [Member] | Consumer Portfolio Segment [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	20
Other Loans [Member] | Consumer Portfolio Segment [Member] | Total Delinquency [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	77
Other Loans [Member] | Consumer Portfolio Segment [Member] | Current [Member]
Financing Receivable Modifications [Line Items]
Financing Receivable Excluding Accrued Interest Modified Period	$ 454