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OTHER NOTES RECEIVABLE - Disaggregation of outstanding principal balance of Other notes receivable (Details) - Other note receivable - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023
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Disaggregation the outstanding principal balance of consumer loans receivable |  |  |
2025 | $ 886 |  |
2024 | 4,060 |  |
2023 | 1,035 |  |
2021 | 181 |  |
Prior | 26 |  |
Total | $ 6,188 | $ 15,412 | $ 35,353
% of Portfolio | 100.00% |  |
Less than 30 days past due |  |  |
Disaggregation the outstanding principal balance of consumer loans receivable |  |  |
2025 | $ 886 |  |
2024 | 4,027 |  |
2023 | 467 |  |
Prior | 26 |  |
Total | $ 5,406 |  |
% of Portfolio | 87.40% |  |
More than 90 days past due |  |  |
Disaggregation the outstanding principal balance of consumer loans receivable |  |  |
2024 | $ 33 |  |
2023 | 568 |  |
2021 | 181 |  |
Total | $ 782 |  |
% of Portfolio | 12.60% |  |

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