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Segments And Nature Of The Business (Segment Data) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |
Net income | $ 272,509 | $ 249,624 | $ 268,550
Total interest income | 6,270 | 355 | 377
Total interest expense | 3,108 | 4,584 | 1,868
Total income tax provision | 77,858 | 80,055 | 81,764
Total identifiable assets | 1,668,095 | 1,442,012 | 1,342,723
Total additions to long-lived assets | 61,238 | 61,868 | 58,856
Total depreciation and amortization | 60,865 | 59,172 | 59,051
Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net income | 346,750 | 317,572 | 328,764
Total interest income | 32,521 | 28,602 | 25,682
Total interest expense | 622 | 568 | 755
Total income tax provision | 96,240 | 101,695 | 103,846
Total identifiable assets | 1,302,400 | 1,262,907 | 1,206,681
Total additions to long-lived assets | 60,964 | 61,691 | 58,832
Total depreciation and amortization | 60,812 | 59,100 | 58,970
Intercompany Eliminations [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Total interest income | $ (31,318) | $ (28,246) | $ (25,305)
VITAS [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Percentage of segment revenue | 58.00% | 56.00% | 59.00%
VITAS [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net income | $ 158,509 | $ 131,452 | $ 162,431
Total interest income | 20,478 | 19,119 | 18,378
Total interest expense | 180 | 172 | 160
Total income tax provision | 46,115 | 43,000 | 52,426
Total identifiable assets | 778,950 | 750,483 | 693,490
Total additions to long-lived assets | 17,450 | 22,580 | 28,583
Total depreciation and amortization | $ 20,063 | $ 22,056 | $ 23,185
Roto-Rooter [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Percentage of segment revenue | 42.00% | 44.00% | 41.00%
Roto-Rooter [Member] | Operating Segments [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net income | $ 188,241 | $ 186,120 | $ 166,333
Total interest income | 12,043 | 9,483 | 7,304
Total interest expense | 442 | 396 | 595
Total income tax provision | 50,125 | 58,695 | 51,420
Total identifiable assets | 523,450 | 512,424 | 513,191
Total additions to long-lived assets | 43,514 | 39,111 | 30,249
Total depreciation and amortization | 40,749 | 37,044 | 35,785
Corporate [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net income | (74,241) | (67,948) | (60,214)
Total interest income | 5,067 | (1) |
Total interest expense | 2,486 | 4,016 | 1,113
Total income tax provision | (18,382) | (21,640) | (22,082)
Total identifiable assets | 365,695 | 179,105 | 136,042
Total additions to long-lived assets | 274 | 177 | 24
Total depreciation and amortization | $ 53 | $ 72 | $ 81

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