| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Dec 31, 2022 | Sep 30, 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenues: | ||||||||||||||||
| Net revenue | ||||||||||||||||
| YoY growth | +8.5% | +7.9% | +12.3% | +17.3% | ||||||||||||
| Operating cost | ||||||||||||||||
| Salaries and related costs | ||||||||||||||||
| Rent, supplies, contract labor and other | ||||||||||||||||
| Depreciation and amortization | ||||||||||||||||
| Provision for credit losses | ||||||||||||||||
| Clinic closure costs - lease and other | — | — | ||||||||||||||
| Total operating cost | ||||||||||||||||
| % of revenue | 80.4% | 83.5% | 80.2% | 81.3% | ||||||||||||
| Gross profit | ||||||||||||||||
| % of revenue | 19.6% | 16.5% | 19.8% | 18.7% | ||||||||||||
| Corporate office costs | ||||||||||||||||
| Loss (gain) on change in fair value of contingent earn-out consideration | ||||||||||||||||
| Operating income | ||||||||||||||||
| % of revenue | 10.3% | 6.3% | 8.3% | 12.8% | ||||||||||||
| Other (expense) income | ||||||||||||||||
| Interest expense, debt and other | ||||||||||||||||
| Interest income from investments | ||||||||||||||||
| Change in revaluation of put-right liability | ||||||||||||||||
| Equity in earnings of unconsolidated affiliate | ||||||||||||||||
| Loss on extinguishment of debt | — | — | — | |||||||||||||
| Loss on sale of a partnership | ||||||||||||||||
| Other | ||||||||||||||||
| Total other expense | ||||||||||||||||
| Income before taxes | ||||||||||||||||
| Provision for income taxes | ||||||||||||||||
| Net income | ||||||||||||||||
| % of revenue | 7.0% | 4.1% | 4.5% | 8.9% | ||||||||||||
| Less: Net income attributable to non-controlling interest: | ||||||||||||||||
| Redeemable non-controlling interest - temporary equity | ||||||||||||||||
| Non-controlling interest - permanent equity | ||||||||||||||||
| Net income attributable to non-controlling interest | ||||||||||||||||
| Net income attributable to USPH shareholders | ||||||||||||||||
| % of revenue | 4.6% | 2.5% | 2.0% | 6.7% | ||||||||||||
| Basic earnings per share attributable to USPH shareholders (in dollars per share) | — | |||||||||||||||
| Diluted earnings per share attributable to USPH shareholders (in dollars per share) | — |