| Segment Reporting [Table Text Block] |
| | | Three Months Ended September 30, 2026 | |
| | | Inpatient Services | | | Homecare and Hospice | | | All Other | | | Total | |
| Revenues: | | | | | | | | | | | | | | | | |
| Net patient revenues | | $ | 356,143 | | | $ | 41,303 | | | $ | - | | | $ | 397,446 | |
| Other revenues | | | 339 | | | | - | | | | 10,186 | | | | 10,525 | |
| Net operating revenues | | | 356,482 | | | | 41,303 | | | | 10,186 | | | | 407,971 | |
| | | | | | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | | | | | |
| Salaries, wages, and benefits | | | 212,869 | | | | 24,819 | | | | 14,249 | | | | 251,937 | |
| Other operating | | | 88,492 | | | | 7,313 | | | | 3,656 | | | | 99,461 | |
| Rent | | | 415 | | | | 641 | | | | 309 | | | | 1,365 | |
| Depreciation and amortization | | | 12,898 | | | | 138 | | | | 1,540 | | | | 14,576 | |
| Total costs and expenses | | | 314,674 | | | | 32,911 | | | | 19,754 | | | | 367,339 | |
| | | | | | | | | | | | | | | | | |
| Income/(loss) from operations | | | 41,808 | | | | 8,392 | | | | (9,568 | ) | | | 40,632 | |
| Non-operating income | | | - | | | | - | | | | 3,637 | | | | 3,637 | |
| Interest expense | | | (6,991 | ) | | | - | | | | - | | | | (6,991 | ) |
| Unrealized losses on marketable equity securities | | | - | | | | - | | | | (17,599 | ) | | | (17,599 | ) |
| | | | | | | | | | | | | | | | | |
| Income/(loss) before income taxes | | $ | 34,817 | | | $ | 8,392 | | | $ | (23,530 | ) | | $ | 19,679 | |
| | | Three Months Ended September 30, 2025 | |
| | | Inpatient Services | | | Homecare and Hospice | | | All Other | | | Total | |
| Revenues: | | | | | | | | | | | | | | | | |
| Net patient revenues | | $ | 331,349 | | | $ | 39,640 | | | $ | - | | | $ | 370,989 | |
| Other revenues | | | 393 | | | | - | | | | 11,279 | | | | 11,672 | |
| Net operating revenues | | | 331,742 | | | | 39,640 | | | | 11,279 | | | | 382,661 | |
| | | | | | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | | | | | |
| Salaries, wages, and benefits | | | 195,745 | | | | 23,788 | | | | 13,643 | | | | 233,176 | |
| Other operating | | | 86,745 | | | | 6,664 | | | | 3,195 | | | | 96,604 | |
| Rent | | | 8,823 | | | | 601 | | | | 1,921 | | | | 11,345 | |
| Depreciation and amortization | | | 10,219 | | | | 141 | | | | 798 | | | | 11,158 | |
| Total costs and expenses | | | 301,532 | | | | 31,194 | | | | 19,557 | | | | 352,283 | |
| | | | | | | | | | | | | | | | | |
| Income/(loss) from operations | | | 30,210 | | | | 8,446 | | | | (8,278 | ) | | | 30,378 | |
| Non-operating income | | | - | | | | - | | | | 4,660 | | | | 4,660 | |
| Interest expense | | | (1,456 | ) | | | - | | | | - | | | | (1,456 | ) |
| Unrealized gains on marketable equity securities | | | - | | | | - | | | | 20,827 | | | | 20,827 | |
| | | | | | | | | | | | | | | | | |
| Income before income taxes | | $ | 28,754 | | | $ | 8,446 | | | $ | 17,209 | | | $ | 54,409 | |
| | | Nine Months Ended September 30, 2026 | |
| | | Inpatient Services | | | Homecare and Hospice | | | All Other | | | Total | |
| Revenues: | | | | | | | | | | | | | | | | |
| Net patient revenues | | $ | 1,023,778 | | | $ | 121,832 | | | $ | - | | | $ | 1,145,610 | |
| Other revenues | | | 1,086 | | | | - | | | | 51,121 | | | | 52,207 | |
| Net operating revenues | | | 1,024,864 | | | | 121,832 | | | | 51,121 | | | | 1,197,817 | |
| | | | | | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | | | | | |
| Salaries, wages, and benefits | | | 612,759 | | | | 74,303 | | | | 41,851 | | | | 728,913 | |
| Other operating | | | 252,473 | | | | 21,099 | | | | 11,601 | | | | 285,173 | |
| Rent | | | 18,436 | | | | 1,892 | | | | 4,220 | | | | 24,548 | |
| Depreciation and amortization | | | 33,575 | | | | 399 | | | | 3,389 | | | | 37,363 | |
| Total costs and expenses | | | 917,243 | | | | 97,693 | | | | 61,061 | | | | 1,075,997 | |
| | | | | | | | | | | | | | | | | |
| Income/(loss) from operations | | | 107,621 | | | | 24,139 | | | | (9,940 | ) | | | 121,820 | |
| Non-operating income | | | - | | | | - | | | | 11,566 | | | | 11,566 | |
| Interest expense | | | (7,273 | ) | | | - | | | | - | | | | (7,273 | ) |
| Unrealized losses on marketable equity securities | | | - | | | | - | | | | (7,610 | ) | | | (7,610 | ) |
| | | | | | | | | | | | | | | | | |
| Income/(loss) before income taxes | | $ | 100,348 | | | $ | 24,139 | | | $ | (5,984 | ) | | $ | 118,503 | |
| | | Nine Months Ended September 30, 2025 | |
| | | Inpatient Services | | | Homecare and Hospice | | | All Other | | | Total | |
| Revenues: | | | | | | | | | | | | | | | | |
| Net patient revenues | | $ | 981,838 | | | $ | 114,107 | | | $ | - | | | $ | 1,095,945 | |
| Other revenues | | | 1,197 | | | | - | | | | 34,126 | | | | 35,323 | |
| Net operating revenues | | | 983,035 | | | | 114,107 | | | | 34,126 | | | | 1,131,268 | |
| | | | | | | | | | | | | | | | | |
| Costs and expenses: | | | | | | | | | | | | | | | | |
| Salaries, wages, and benefits | | | 578,824 | | | | 69,375 | | | | 39,641 | | | | 687,840 | |
| Other operating | | | 252,064 | | | | 20,969 | | | | 7,971 | | | | 281,004 | |
| Rent | | | 26,486 | | | | 1,790 | | | | 5,762 | | | | 34,038 | |
| Depreciation and amortization | | | 30,380 | | | | 402 | | | | 2,369 | | | | 33,151 | |
| Total costs and expenses | | | 887,754 | | | | 92,536 | | | | 55,743 | | | | 1,036,033 | |
| | | | | | | | | | | | | | | | | |
| Income/(loss) from operations | | | 95,281 | | | | 21,571 | | | | (21,617 | ) | | | 95,235 | |
| Non-operating income | | | - | | | | - | | | | 13,871 | | | | 13,871 | |
| Interest expense | | | (5,555 | ) | | | - | | | | - | | | | (5,555 | ) |
| Unrealized gains on marketable equity securities | | | - | | | | - | | | | 26,748 | | | | 26,748 | |
| | | | | | | | | | | | | | | | | |
| Income before income taxes | | $ | 89,726 | | | $ | 21,571 | | | $ | 19,002 | | | $ | 130,299 | |
|