LOANS HELD FOR INVESTMENT - Financial Effects of the Permanent Modifications Granted to Borrowers Experiencing Financial Difficulty (Detail) - Permanent Modification [Member]	12 Months Ended
Dec. 31, 2023
Residential Portfolio Segment [Member] \| Conventional Loan [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.00%
Weighted-Average Term Extension (in months)	93 months
Commercial Portfolio Segment [Member] \| Commercial And Industrial Sector [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.45%
Weighted-Average Term Extension (in months)	72 months
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.00%
Weighted-Average Term Extension (in months)	13 months
Construction Loans [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.00%
Automobile Loan [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.00%
Weighted-Average Term Extension (in months)	23 months
Personal Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.00%
Weighted-Average Term Extension (in months)	36 months
Credit Card Receivables [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	16.09%
Other Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.00%
Weighted-Average Term Extension (in months)	26 months
Combination Of Interest Rate Below Market Reduction And Extended Maturity [Member] \| Residential Portfolio Segment [Member] \| Conventional Loan [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	2.95%
Weighted-Average Term Extension (in months)	105 months
Combination Of Interest Rate Below Market Reduction And Extended Maturity [Member] \| Commercial Portfolio Segment [Member] \| Commercial And Industrial Sector [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.00%
Combination Of Interest Rate Below Market Reduction And Extended Maturity [Member] \| Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.25%
Weighted-Average Term Extension (in months)	64 months
Combination Of Interest Rate Below Market Reduction And Extended Maturity [Member] \| Construction Loans [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.00%
Combination Of Interest Rate Below Market Reduction And Extended Maturity [Member] \| Automobile Loan [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	2.95%
Weighted-Average Term Extension (in months)	24 months
Combination Of Interest Rate Below Market Reduction And Extended Maturity [Member] \| Personal Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	4.57%
Weighted-Average Term Extension (in months)	29 months
Combination Of Interest Rate Below Market Reduction And Extended Maturity [Member] \| Credit Card Receivables [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	0.00%
Combination Of Interest Rate Below Market Reduction And Extended Maturity [Member] \| Other Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable Modifications [Line Items]
Weighted-Average Interest Rate Reduction (%)	1.60%
Weighted-Average Term Extension (in months)	22 months

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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