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Note 3 - Net Patient Revenues (Details Textual) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Revenue from Contract with Customer, Including Assessed Tax | $ 279,918,000 | $ 269,605,000 | $ 565,741,000 | $ 527,612,000 |
Accounts Receivable, Allowance for Credit Loss | 10,074,000 |  | 10,074,000 |  | $ 8,054,000
Medicare and Medicaid [Member] |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss | 18,218,000 |  | 18,218,000 |  | $ 18,369,000
Medicaid [Member] |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | $ 2,585,000 | $ 6,247,000 | $ 6,047,000 | $ 11,130,000 |

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