Revenue Recognition (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2015	Dec. 31, 2013	Dec. 31, 2018
Revenue Recognition [line items]
Medicare cap liability	$ 11,800,000		$ 11,800,000				$ 6,400,000
Three Program Projected Measurement Period Liability [Member]
Revenue Recognition [line items]
Additional Medicare cap adjustment related to prior cap liabilities					$ 6,700,000
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			4 hours
Reimbursement increments			15 minutes
Minimum amount of care per 24-hr period			8 hours
Charity care cost	2,300,000	$ 2,000,000.0	$ 6,600,000	$ 6,200,000
Inpatient Cap percentage Max			20.00%
Percentage of automatic budget reductions						2.00%
Percentage of medicaid reimbursement			95.00%
Percentage of expenses			5.00%
VITAS [Member] | Two Program Projected Measurement Period Liability [Member]
Revenue Recognition [line items]
Medicare cap adjustment		$ 2,000,000.0		487,000
Additional Medicare cap adjustment related to prior cap liabilities				$ 181,000
VITAS [Member] | Four Programs Projected Measurement Period Liability [Member]
Revenue Recognition [line items]
Medicare cap adjustment	$ 1,300,000		$ 7,100,000
Additional Medicare cap adjustment related to prior cap liabilities			$ 847,000