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v3.25.3

NOTES RECEIVABLE (Details) - Secured Promissory Note - USD ($) $ in Millions |  | 1 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Dec. 09, 2024 | Mar. 31, 2023 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Greenbrook TMS Inc |  |  |  |  |  |
NOTES RECEIVABLE |  |  |  |  |  |
Principal amount of notes receivable |  | $ 6.0 |  |  |  |
Term of notes receivable |  | 4 years |  |  |  |
Investment, Variable Interest Rate, Type [Extensible Enumeration] |  | us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember |  |  |  |
Interest rate (as a percent) |  | 7.65% |  |  |  |
Loan receivable forgiven by the entity | $ 3.6 |  |  |  |  |
Success TMS | Other Nonoperating Income (Expense) |  |  |  |  |  |
NOTES RECEIVABLE |  |  |  |  |  |
Interest income recognized |  |  | $ 0.0 | $ 0.1 | $ 0.0 | $ 0.5

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