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Acquisitions (Narrative) (Details) $ in Thousands |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 26, 2023 USD ($) item | Jun. 01, 2023 USD ($) | Aug. 02, 2019 USD ($) item | Jul. 01, 2019 USD ($) | Dec. 31, 2023 USD ($) item | Dec. 31, 2022 USD ($) item | Dec. 31, 2021 USD ($) | Dec. 31, 2019 USD ($) item
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Amortization of definite-lived intangible assets |  |  |  |  | $ 10,100 | $ 10,100 | $ 10,000 |
Florida Provider [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquisition, in cash |  |  |  |  |  | $ 1,240 |  |
Franchises, New Jersey [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of completed business combinations | item |  |  |  |  |  | 3 |  |
Acquisition, in cash |  |  |  |  |  | $ 2,290 |  |
Roto-Rooter, Oakland [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquisition date |  |  |  |  | Jul. 01, 2019 |  |  |
Acquisition, in cash |  |  |  | $ 18,000 |  |  |  |
Roto-Rooter [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Franchise fee revenue |  |  |  |  | $ 5,700 |  |  |
Roto-Rooter [Member] | Franchise, South Carolina [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of completed business combinations | item |  |  |  |  | 1 |  |  |
Acquisition, in cash |  | $ 305,000 |  |  |  |  |  |
Roto-Rooter [Member] | Franchise, Georgia [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of completed business combinations | item | 1 |  |  |  |  |  |  |
Acquisition, in cash | $ 3,689 |  |  |  |  |  |  |
Roto-Rooter [Member] | HSW RR, Inc [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquisition, in cash |  |  | $ 120,000 |  |  |  |  |
Additional business combination cost |  |  | $ 1,400 |  |  |  |  |
Number of owned and operated franchises | item |  |  | 14 |  |  |  |  |
VITAS [Member] | Florida Provider [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of providers assets purchased | item |  |  |  |  |  | 1 |  |
Franchise [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of completed business combinations | item |  |  |  |  |  |  |  | 2
Reacquired Franchise Rights [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Amortization of definite-lived intangible assets |  |  |  |  | $ 8,100 |  |  |
Average remaining life |  |  |  |  | 7 years 4 months 24 days |  |  |
Reacquired Franchise Rights [Member] | HSW RR, Inc [Member] |  |  |  |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangibles |  |  |  |  |  |  |  | $ 59,200

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