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SIGNIFICANT ACCOUNTING POLICIES - Narrative 4 (Details) $ in Thousands |  | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 01, 2025 USD ($) | Jun. 30, 2025 USD ($) security jointVenture | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) security jointVenture | Jun. 30, 2024 USD ($) | Jun. 12, 2025 USD ($) | Dec. 31, 2024 USD ($) | Apr. 01, 2024 USD ($)
Schedule of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Number of securities without readily determinable fair value | security |  | 3 |  | 3 |  |  |  |
Book value of RadNet joint venture interests |  | $ 8,300 |  | $ 8,300 |  |  |  |
Number of unconsolidated joint ventures | jointVenture |  | 12 |  | 12 |  |  |  |
Management service fees |  | $ 6,500 | $ 6,100 | $ 12,600 | $ 12,000 |  |  |
Current portion |  | 25,484 |  | 25,484 |  |  | $ 24,692 |
Long term portion of debt obligations |  | 1,077,251 |  | 1,077,251 |  |  | $ 991,574 |
Promissory Note |  |  |  |  |  |  |  |
Schedule of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Debt instrument face value |  |  |  |  |  | $ 17,000 |  | $ 6,300
Current portion |  | 11,300 |  | 11,300 |  |  |  |
Long term portion of debt obligations |  | $ 5,700 |  | $ 5,700 |  | $ 5,700 |  |
Promissory Note | Subsequent Event |  |  |  |  |  |  |  |
Schedule of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Debt instrument, periodic payment | $ 900 |  |  |  |  |  |  |
Basis spread on variable rate | 2.00% |  |  |  |  |  |  |
Dignity Health | Minimum | Joint Venture | Glendale Advanced Imaging |  |  |  |  |  |  |  |
Schedule of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Variable interest entity, ownership percentage |  |  |  | 35.00% |  |  |  |
Dignity Health | Maximum | Joint Venture | Glendale Advanced Imaging |  |  |  |  |  |  |  |
Schedule of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |
Variable interest entity, ownership percentage |  |  |  | 55.00% |  |  |  |

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