CUSTOMER LOANS - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Loans held for sale	$ 892,068	$ 775,424
Loan Portfolio Segment
Financing Receivable, Past Due [Line Items]
Loans held for investment, net of allowance for loan losses	$ 246,355	247,631
Threshold period past due	60 days
Nonperforming Financial Instruments \| Loan Portfolio Segment
Financing Receivable, Past Due [Line Items]
Threshold period past due	90 days
Unlikely to be Collected Financing Receivable \| Loan Portfolio Segment
Financing Receivable, Past Due [Line Items]
Threshold period past due	120 days
Pass \| Loan Portfolio Segment
Financing Receivable, Past Due [Line Items]
Consumer receivables	$ 260,100	$ 261,400

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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