LOANS RECEIVABLE - Schedule of Credit Quality Indicators of Loan Portfolio (Details)	Sep. 30, 2025	Dec. 31, 2024
Category A
Financing Receivable, Credit Quality Indicator [Line Items]
Loan portfolio per proprietary risk category (as percent)	27.30%	26.90%
Category B
Financing Receivable, Credit Quality Indicator [Line Items]
Loan portfolio per proprietary risk category (as percent)	48.00%	48.60%
Category C
Financing Receivable, Credit Quality Indicator [Line Items]
Loan portfolio per proprietary risk category (as percent)	24.70%	24.50%
700 or greater
Financing Receivable, Credit Quality Indicator [Line Items]
Loan portfolio per FICO score (as percent)	13.10%	12.80%
Between 700 and 600
Financing Receivable, Credit Quality Indicator [Line Items]
Loan portfolio per FICO score (as percent)	73.80%	76.90%
600 or less
Financing Receivable, Credit Quality Indicator [Line Items]
Loan portfolio per FICO score (as percent)	13.10%	10.30%

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.

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