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DEALER FINANCED RECEIVABLES - Allowance for loan losses (Details) - Dealer Finance Receivable - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Receivables |  |  |  |
Allowance for loan losses, beginning of period | $ 295 | $ 175 | $ 194 | $ 442
Provision for loan losses | 61 | 4 | 162 | (263)
Allowance for loan losses, end of period | $ 356 | $ 179 | $ 356 | $ 179

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