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FAIR VALUE - Significant Inputs Utilized in Cash Flow Models (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Fair Value Hierarchy
Servicing rights, valuation technique [Extensible List]	us-gaap:ValuationTechniqueDiscountedCashFlowMember	us-gaap:ValuationTechniqueDiscountedCashFlowMember
SBA Loans
Fair Value Hierarchy
Servicing rights, valuation technique [Extensible List]	us-gaap:ValuationTechniqueDiscountedCashFlowMember	us-gaap:ValuationTechniqueDiscountedCashFlowMember
Significant Unobservable Inputs (Level 3) | Discount Rate | Minimum
Fair Value Hierarchy
Servicing rights, measurement input	12.6	12.4
Significant Unobservable Inputs (Level 3) | Discount Rate | Minimum | SBA Loans
Fair Value Hierarchy
Servicing rights, measurement input	3.7	6
Significant Unobservable Inputs (Level 3) | Discount Rate | Maximum
Fair Value Hierarchy
Servicing rights, measurement input	15.1	14.9
Significant Unobservable Inputs (Level 3) | Discount Rate | Maximum | SBA Loans
Fair Value Hierarchy
Servicing rights, measurement input	53.4	48.8
Significant Unobservable Inputs (Level 3) | Prepayment Rate | Minimum
Fair Value Hierarchy
Servicing rights, measurement input	17.5	17.6
Significant Unobservable Inputs (Level 3) | Prepayment Rate | Minimum | SBA Loans
Fair Value Hierarchy
Servicing rights, measurement input	8.5	7.9
Significant Unobservable Inputs (Level 3) | Prepayment Rate | Maximum
Fair Value Hierarchy
Servicing rights, measurement input	18.8	18.9
Significant Unobservable Inputs (Level 3) | Prepayment Rate | Maximum | SBA Loans
Fair Value Hierarchy
Servicing rights, measurement input	32.6	31.9
Significant Unobservable Inputs (Level 3) | Weighted Average Life | Minimum
Fair Value Hierarchy
Servicing rights, measurement input	1 year 3 months 18 days	1 year 6 months
Significant Unobservable Inputs (Level 3) | Weighted Average Life | Minimum | SBA Loans
Fair Value Hierarchy
Servicing rights, measurement input	6 months	4 months 24 days
Significant Unobservable Inputs (Level 3) | Weighted Average Life | Maximum
Fair Value Hierarchy
Servicing rights, measurement input	3 years 7 months 6 days	3 years 7 months 6 days
Significant Unobservable Inputs (Level 3) | Weighted Average Life | Maximum | SBA Loans
Fair Value Hierarchy
Servicing rights, measurement input	5 years 4 months 24 days	5 years 4 months 24 days

X

- Definition

Value of input used to measure servicing asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

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X

- Definition

Indicates valuation technique for measuring servicing asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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X

- Definition

Weighted average life of financial assets and financial liabilities, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481229/860-50-50-2

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