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LOANS HELD FOR INVESTMENT - Financial Effects of the Permanent Modifications Granted to Borrowers Experiencing Financial Difficulty (Detail) - Permanent Modification [Member] | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Residential Portfolio Segment [Member] | Conventional Loan [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00% | 0.00% | 0.00%
Weighted-Average Term Extension (in months) | 236 months | 239 months | 236 months | 118 months
Construction Loans [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00% | 0.00% | 0.00%
Mortgage loans [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00% | 0.00% | 0.00%
Weighted-Average Term Extension (in months) | 96 months |  | 96 months |
Commercial and Industrial loans [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00% | 13.00% | 0.00%
Weighted-Average Term Extension (in months) |  | 72 years |  | 72 months
Automobile Loan [Member] | Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00% | 0.00% | 0.00%
Weighted-Average Term Extension (in months) | 21 months | 27 months | 26 months | 25 months
Personal Loans [Member] | Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00% | 0.00% | 0.00%
Weighted-Average Term Extension (in months) |  | 37 months | 25 months | 34 months
Credit Card Receivables [Member] | Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Weighted-Average Interest Rate Reduction (%) | 17.55% | 16.26% | 17.11% | 16.15%
Other Loans [Member] | Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00% | 0.00% | 0.00%
Weighted-Average Term Extension (in months) | 26 months | 28 months | 24 months | 27 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 (%) | 0.50% | 0.00% | 3.50% | 2.40%
Weighted-Average Term Extension (in months) | 256 months |  | 36 months | 157 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% | 0.00% | 0.00% | 0.00%
Combination Of Interest Rate Below Market Reduction And Extended Maturity [Member] | Mortgage loans [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.25% | 0.00% | 0.25%
Weighted-Average Term Extension (in months) |  | 64 years |  | 64 months
Combination Of Interest Rate Below Market Reduction And Extended Maturity [Member] | Commercial and Industrial loans [Member] | Commercial Portfolio Segment [Member] |  |  |  |
Financing Receivable Modifications [Line Items] |  |  |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00% | 0.00% | 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 (%) | 3.29% | 3.96% | 2.57% | 3.64%
Weighted-Average Term Extension (in months) | 28 months | 30 months | 28 months | 30 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 (%) | 2.99% | 5.41% | 3.44% | 5.11%
Weighted-Average Term Extension (in months) | 19 months | 26 months | 17 months | 24 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% | 0.00% | 0.00% | 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 (%) | 3.34% | 1.87% | 3.31% | 1.92%
Weighted-Average Term Extension (in months) | 17 months | 22 months | 17 months | 24 months

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