| Segment Reporting [Table Text Block] |
| | | Three Months Ended June 30, 2026 | |
| | | Inpatient Services | | | Homecare and Hospice | | | All Other | | | Total | |
| Revenues: | | | | | | | | | | | | | | | | |
| Net patient revenues | | $ | 337,306 | | | $ | 41,053 | | | $ | - | | | $ | 378,359 | |
| Other revenues | | | 360 | | | | - | | | | 29,306 | | | | 29,666 | |
| Net operating revenues | | | 337,666 | | | | 41,053 | | | | 29,306 | | | | 408,025 | |
| | | | | | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | | | | | |
| Salaries, wages, and benefits | | | 202,798 | | | | 24,830 | | | | 14,274 | | | | 241,902 | |
| Other operating | | | 82,902 | | | | 7,286 | | | | 4,287 | | | | 94,475 | |
| Rent | | | 8,934 | | | | 626 | | | | 1,980 | | | | 11,540 | |
| Depreciation and amortization | | | 10,265 | | | | 131 | | | | 777 | | | | 11,173 | |
| Total costs and expenses | | | 304,899 | | | | 32,873 | | | | 21,318 | | | | 359,090 | |
| | | | | | | | | | | | | | | | | |
| Income from operations | | | 32,767 | | | | 8,180 | | | | 7,988 | | | | 48,935 | |
| Non-operating income | | | - | | | | - | | | | 4,172 | | | | 4,172 | |
| Interest expense | | | (13 | ) | | | - | | | | - | | | | (13 | ) |
| Unrealized gains on marketable equity securities | | | - | | | | - | | | | 915 | | | | 915 | |
| | | | | | | | | | | | | | | | | |
| Income before income taxes | | $ | 32,754 | | | $ | 8,180 | | | $ | 13,075 | | | $ | 54,009 | |
| | | Three Months Ended June 30, 2025 | |
| | | Inpatient Services | | | Homecare and Hospice | | | All Other | | | Total | |
| Revenues: | | | | | | | | | | | | | | | | |
| Net patient revenues | | $ | 325,012 | | | $ | 38,337 | | | $ | - | | | $ | 363,349 | |
| Other revenues | | | 430 | | | | - | | | | 11,131 | | | | 11,561 | |
| Net operating revenues | | | 325,442 | | | | 38,337 | | | | 11,131 | | | | 374,910 | |
| | | | | | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | | | | | |
| Salaries, wages, and benefits | | | 190,641 | | | | 23,183 | | | | 12,710 | | | | 226,534 | |
| Other operating | | | 83,450 | | | | 7,046 | | | | 1,447 | | | | 91,943 | |
| Rent | | | 8,828 | | | | 581 | | | | 1,919 | | | | 11,328 | |
| Depreciation and amortization | | | 10,099 | | | | 131 | | | | 785 | | | | 11,015 | |
| Total costs and expenses | | | 293,018 | | | | 30,941 | | | | 16,861 | | | | 340,820 | |
| | | | | | | | | | | | | | | | | |
| Income/(loss) from operations | | | 32,424 | | | | 7,396 | | | | (5,730 | ) | | | 34,090 | |
| Non-operating income | | | - | | | | - | | | | 5,132 | | | | 5,132 | |
| Interest expense | | | (1,993 | ) | | | - | | | | - | | | | (1,993 | ) |
| Unrealized losses on marketable equity securities | | | - | | | | - | | | | (5,061 | ) | | | (5,061 | ) |
| | | | | | | | | | | | | | | | | |
| Income/(loss) before income taxes | | $ | 30,431 | | | $ | 7,396 | | | $ | (5,659 | ) | | $ | 32,168 | |
| | | Six Months Ended June 30, 2026 | |
| | | Inpatient Services | | | Homecare and Hospice | | | All Other | | | Total | |
| Revenues: | | | | | | | | | | | | | | | | |
| Net patient revenues | | $ | 667,636 | | | $ | 80,528 | | | $ | - | | | $ | 748,164 | |
| Other revenues | | | 747 | | | | - | | | | 40,935 | | | | 41,682 | |
| Net operating revenues | | | 668,383 | | | | 80,528 | | | | 40,935 | | | | 789,846 | |
| | | | | | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | | | | | |
| Salaries, wages, and benefits | | | 399,890 | | | | 49,485 | | | | 27,601 | | | | 476,976 | |
| Other operating | | | 163,982 | | | | 13,785 | | | | 7,945 | | | | 185,712 | |
| Rent | | | 18,020 | | | | 1,251 | | | | 3,912 | | | | 23,183 | |
| Depreciation and amortization | | | 20,676 | | | | 261 | | | | 1,850 | | | | 22,787 | |
| Total costs and expenses | | | 602,568 | | | | 64,782 | | | | 41,308 | | | | 708,658 | |
| | | | | | | | | | | | | | | | | |
| Income/(loss) from operations | | | 65,815 | | | | 15,746 | | | | (373 | ) | | | 81,188 | |
| Non-operating income | | | - | | | | - | | | | 7,929 | | | | 7,929 | |
| Interest expense | | | (282 | ) | | | - | | | | - | | | | (282 | ) |
| Unrealized gains on marketable equity securities | | | - | | | | - | | | | 9,989 | | | | 9,989 | |
| | | | | | | | | | | | | | | | | |
| Income before income taxes | | $ | 65,533 | | | $ | 15,746 | | | $ | 17,545 | | | $ | 98,824 | |
| | | Six Months Ended June 30, 2025 | |
| | | Inpatient Services | | | Homecare and Hospice | | | All Other | | | Total | |
| Revenues: | | | | | | | | | | | | | | | | |
| Net patient revenues | | $ | 650,490 | | | $ | 74,466 | | | $ | - | | | $ | 724,956 | |
| Other revenues | | | 803 | | | | - | | | | 22,848 | | | | 23,651 | |
| Net operating revenues | | | 651,293 | | | | 74,466 | | | | 22,848 | | | | 748,607 | |
| | | | | | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | | | | | |
| Salaries, wages, and benefits | | | 383,078 | | | | 45,587 | | | | 25,999 | | | | 454,664 | |
| Other operating | | | 165,319 | | | | 14,304 | | | | 4,777 | | | | 184,400 | |
| Rent | | | 17,662 | | | | 1,189 | | | | 3,842 | | | | 22,693 | |
| Depreciation and amortization | | | 20,161 | | | | 261 | | | | 1,571 | | | | 21,993 | |
| Total costs and expenses | | | 586,220 | | | | 61,341 | | | | 36,189 | | | | 683,750 | |
| | | | | | | | | | | | | | | | | |
| Income/(loss) from operations | | | 65,073 | | | | 13,125 | | | | (13,341 | ) | | | 64,857 | |
| Non-operating income | | | - | | | | - | | | | 9,211 | | | | 9,211 | |
| Interest expense | | | (4,099 | ) | | | - | | | | - | | | | (4,099 | ) |
| Unrealized gains on marketable equity securities | | | - | | | | - | | | | 5,921 | | | | 5,921 | |
| | | | | | | | | | | | | | | | | |
| Income before income taxes | | $ | 60,974 | | | $ | 13,125 | | | $ | 1,791 | | | $ | 75,890 | |
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