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Revenue Recognition (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2015 | Dec. 31, 2013
Three Program Projected Measurement Period Liability [Member] |  |  |  |
Revenue Recognition [line items] |  |  |  |
Additional Medicare cap adjustment related to prior cap liabilities |  |  | $ 8.7 |
Roto-Rooter [Member] |  |  |  |
Revenue Recognition [line items] |  |  |  |
Credit payment terms | 30 days |  |  |
Duration of advance notice of cancellation without penalty for both parties | 90 days |  |  |
Term of contract | 10 years |  |  |
Duration of advance notice of cancelation without penatly | 60 days |  |  |
Roto-Rooter [Member] | Maximum [Member] |  |  |  |
Revenue Recognition [line items] |  |  |  |
Duration of services provided | 5 days |  |  |
Roto-Rooter [Member] | Minimum [Member] |  |  |  |
Revenue Recognition [line items] |  |  |  |
Duration of services provided | 3 days |  |  |
VITAS [Member] |  |  |  |
Revenue Recognition [line items] |  |  |  |
Period of tier one care rate | 60 days |  |  |
Period of tier two care rate | 61 days |  |  |
Period of services provided after discharge | 12 months |  |  |
Period of service intensity add-on payment | 7 days |  |  |
Reimbursement period per day in 15 min. increments | 4 hours |  |  |
Minimum amount of care per 24-hr period | 8 hours |  |  |
Charity care cost | $ 2.0 | $ 2.2 |  |
Percentage of automatic budget reductions |  |  |  | 2.00%
Percentage of medicaid reimbursement | 95.00% |  |  |
Percentage of expenses | 5.00% |  |  |
VITAS [Member] | Maximum [Member] |  |  |  |
Revenue Recognition [line items] |  |  |  |
Inpatient cap percentage | 20.00% |  |  |
VITAS [Member] | Two Program Projected Measurement Period Liability [Member] |  |  |  |
Revenue Recognition [line items] |  |  |  |
Medicare cap adjustment | $ 1.5 |  |  |
VITAS [Member] | Five Programs Projected Measurement Period Liability [Member] |  |  |  |
Revenue Recognition [line items] |  |  |  |
Medicare cap adjustment |  | $ 2.5 |  |

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