Significant Payors (Revenue Disaggregated by Payor Type) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net service revenues	$ 169,803	$ 137,716	$ 458,749	$ 378,449
Personal Care [Member]
Net service revenues	154,563	128,179	421,458	362,740
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member]
Net service revenues	$ 154,563	$ 128,179	$ 421,458	$ 362,740
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member] | State, Local And Other Governmental Programs [Member]
Net service revenues	$ 75,569	$ 73,691	$ 222,677	$ 213,145
Concentration risk, percentage	49.00%	57.50%	52.80%	58.70%
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Managed Care Organizations [Member]
Net service revenues	$ 68,795	$ 45,271	$ 170,946	$ 126,809
Concentration risk, percentage	44.50%	35.30%	40.60%	35.00%
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Private Pay [Member]
Net service revenues	$ 5,750	$ 5,549	$ 16,001	$ 14,861
Concentration risk, percentage	3.70%	4.30%	3.80%	4.10%
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Commercial Insurance [Member]
Net service revenues	$ 2,697	$ 1,869	$ 6,605	$ 4,271
Concentration risk, percentage	1.70%	1.50%	1.60%	1.20%
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Other [Member]
Net service revenues	$ 1,752	$ 1,799	$ 5,229	$ 3,654
Concentration risk, percentage	1.10%	1.40%	1.20%	1.00%
Hospice [Member]
Net service revenues	$ 10,874	$ 7,116	$ 27,228	$ 11,765
Hospice [Member] | Revenues [Member] | Customer Concentration Risk [Member]
Net service revenues	$ 10,874	$ 7,116	$ 27,228	$ 11,765
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Hospice [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Managed Care Organizations [Member]
Net service revenues	$ 584	$ 426	$ 1,419	$ 721
Concentration risk, percentage	5.40%	6.00%	5.20%	6.10%
Hospice [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Other [Member]
Net service revenues	$ 245	$ 13	$ 566	$ 14
Concentration risk, percentage	2.30%	0.20%	2.10%	0.10%
Hospice [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Medicare [Member]
Net service revenues	$ 10,045	$ 6,677	$ 25,243	$ 11,030
Concentration risk, percentage	92.30%	93.80%	92.70%	93.80%
Home Health [Member]
Net service revenues	$ 4,366	$ 2,421	$ 10,063	$ 3,944
Home Health [Member] | Revenues [Member] | Customer Concentration Risk [Member]
Net service revenues	$ 4,366	$ 2,421	$ 10,063	$ 3,944
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Home Health [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Managed Care Organizations [Member]
Net service revenues	$ 959	$ 221	$ 1,872	$ 329
Concentration risk, percentage	22.00%	9.10%	18.60%	8.30%
Home Health [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Other [Member]
Net service revenues	$ 69	$ 16	$ 243	$ 27
Concentration risk, percentage	1.60%	0.70%	2.40%	0.70%
Home Health [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Medicare [Member]
Net service revenues	$ 3,338	$ 2,184	$ 7,948	$ 3,588
Concentration risk, percentage	76.40%	90.20%	79.00%	91.00%