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LOANS HELD FOR INVESTMENT - Financial Effects of the Permanent Modifications Granted to Borrowers Experiencing Financial Difficulty (Details) - Permanent Modification [Member] | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00%
Weighted-Average Term Extension (in months) | 103 months | 93 months
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Combination of Reduction in Interest Rate and Extension of Maturity [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 1.80% | 2.95%
Weighted-Average Term Extension (in months) | 106 months | 105 months
Commercial Portfolio Segment [Member] | Construction Loans [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00%
Weighted-Average Term Extension (in months) | 83 months |
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Combination of Reduction in Interest Rate and Extension of Maturity [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00%
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00%
Weighted-Average Term Extension (in months) | 36 months | 13 months
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member] | Combination of Reduction in Interest Rate and Extension of Maturity [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 0.50% | 0.25%
Weighted-Average Term Extension (in months) | 88 months | 64 months
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 15.25% | 0.45%
Weighted-Average Term Extension (in months) | 18 months | 72 months
Change in Amortization Term | 38 months |
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Combination of Reduction in Interest Rate and Extension of Maturity [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 3.00% | 0.00%
Weighted-Average Term Extension (in months) | 9 months |
Consumer Portfolio Segment [Member] | Automobile Loan [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00%
Weighted-Average Term Extension (in months) | 27 months | 23 months
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Combination of Reduction in Interest Rate and Extension of Maturity [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 2.74% | 2.95%
Weighted-Average Term Extension (in months) | 27 months | 24 months
Consumer Portfolio Segment [Member] | Personal Loans [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00%
Weighted-Average Term Extension (in months) | 25 months | 36 months
Consumer Portfolio Segment [Member] | Personal Loans [Member] | Combination of Reduction in Interest Rate and Extension of Maturity [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 4.01% | 4.57%
Weighted-Average Term Extension (in months) | 16 months | 29 months
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 16.77% | 16.09%
Consumer Portfolio Segment [Member] | Credit Card Receivables [Member] | Combination of Reduction in Interest Rate and Extension of Maturity [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00%
Consumer Portfolio Segment [Member] | Other Loans [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 0.00% | 0.00%
Weighted-Average Term Extension (in months) | 26 months | 26 months
Consumer Portfolio Segment [Member] | Other Loans [Member] | Combination of Reduction in Interest Rate and Extension of Maturity [Member] |  |
Financing Receivable Modifications [Line Items] |  |
Weighted-Average Interest Rate Reduction (%) | 3.00% | 1.60%
Weighted-Average Term Extension (in months) | 20 months | 22 months

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-34 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
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- Definition Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A + Details
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