LOANS - Narrative (Details) - USD ($)	6 Months Ended	12 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans held-for-dale, nonaccrual	$ 14,100,000		$ 2,400,000
Loans held for sale, fair value, nonaccrual status	14,600,000		1,600,000
Loans held for investment	$ 0		$ 0
Concentration risk, percentage	100.00%		100.00%
Amount outstanding on loans purchased	$ 4,100,000,000	$ 1,500,000,000
Amount outstanding on loans securitized	0	574,700,000
Top Five Originators
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount outstanding on loans originated	$ 2,900,000,000	$ 1,400,000,000
Top Five Originators \| Financing Receivable Benchmark \| Loan Originations Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	40.20%	42.80%
Top Five Originators \| Revenue Benchmark \| Loan Originations Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	19.30%	22.50%
Top Five Loan Purchasers \| Financing Receivable Benchmark \| Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	54.40%	45.80%
Top Five Loan Purchasers \| Revenue Benchmark \| Customer Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	27.00%	23.40%

Financing Receivable, Held-for-Sale, Nonaccrual

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- Definition

Loans Held For Investment

+ References

No definition available.

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- Definition

Principal Amount Outstanding On Loans Originated

+ References

No definition available.

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- Definition

Principal Amount Outstanding On Loans Purchased

+ References

No definition available.

+ Details

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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://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-3

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(c)(3))
-Publisher FASB
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-42

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

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-Subparagraph (a)
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-Topic 275
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-Subparagraph (d)
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
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-Section 50
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-Subparagraph (c)
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-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
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-Section 50
-Paragraph 18
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-18

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- Definition

This item represents the aggregate fair value of loans held as assets that are in nonaccrual status for which the fair value option has been elected, if the entity's policy is to recognize interest income separately from other changes in fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (e)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

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- Definition

This is the principal amount outstanding for securitized loans only (across all types of loans).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 20
-Name Accounting Standards Codification
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