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Revenue Recognition (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | 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 |  |  |  |  | $ 8,700 |
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 | $ 2,100 | $ 2,300 | $ 6,100 | $ 6,600 |  |
Percentage of automatic budget reductions |  |  |  |  |  | 2.00%
Medicare cap adjustment | $ (4,100) |  |  |  |  |
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] | Four Programs Projected Measurement Period Liability [Member] |  |  |  |  |  |
Revenue Recognition [line items] |  |  |  |  |  |
Medicare cap adjustment |  | $ 1,300 |  | 7,100 |  |
Additional Medicare cap adjustment related to prior cap liabilities |  |  |  | $ 847 |  |
VITAS [Member] | Five Programs Projected Measurement Period Liability [Member] |  |  |  |  |  |
Revenue Recognition [line items] |  |  |  |  |  |
Medicare cap adjustment |  |  | $ 4,200 |  |  |

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