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OTHER NOTES RECEIVABLE - Impaired and general reserve for allowance for loan losses (Details) - Other note receivable - USD ($) $ in Thousands | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | --- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Outstanding principal balance | $ 12,988 |  | $ 15,412 |  |  | $ 35,353
Allowance for loan losses | 432 | $ 468 | 364 | $ 211 | $ 176 | $ 236
Impaired loans individually evaluated for impairment | 2,349 |  | 2,038 |  |  |
Specific reserve against impaired loans | 210 |  | 141 |  |  |
Other notes receivable collectively evaluated for allowance | 10,639 |  | 13,374 |  |  |
General allowance for loan losses | $ 222 |  | $ 223 |  |  |

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