Significant Payors (Revenue by Payor Type) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net service revenues	$ 864,499	$ 764,775	$ 648,791
Personal Care [Member]
Net service revenues	685,854	647,233	580,728
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member]
Net service revenues	$ 685,854	$ 647,233	$ 580,728
Concentration risk, percentage	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	$ 338,325	$ 324,670	$ 303,479
Concentration risk, percentage	49.30%	50.20%	52.20%
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Managed Care Organizations [Member]
Net service revenues	$ 311,801	$ 287,032	$ 239,559
Concentration risk, percentage	45.50%	44.30%	41.30%
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Private Pay [Member]
Net service revenues	$ 19,991	$ 20,398	$ 21,765
Concentration risk, percentage	2.90%	3.20%	3.70%
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Commercial Insurance [Member]
Net service revenues	$ 9,820	$ 9,991	$ 9,204
Concentration risk, percentage	1.40%	1.50%	1.60%
Personal Care [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Other [Member]
Net service revenues	$ 5,917	$ 5,142	$ 6,721
Concentration risk, percentage	0.90%	0.80%	1.20%
Hospice [Member]
Net service revenues	$ 152,253	$ 101,297	$ 53,601
Hospice [Member] | Revenues [Member] | Customer Concentration Risk [Member]
Net service revenues	$ 152,253	$ 101,297	$ 53,601
Concentration risk, percentage	100.00%	100.00%	100.00%
Hospice [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Medicare [Member]
Net service revenues	$ 142,086	$ 94,068	$ 49,649
Concentration risk, percentage	93.30%	92.90%	92.60%
Hospice [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Managed Care Organizations [Member]
Net service revenues	$ 5,664	$ 4,931	$ 2,768
Concentration risk, percentage	3.70%	4.90%	5.20%
Hospice [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Other [Member]
Net service revenues	$ 4,503	$ 2,298	$ 1,184
Concentration risk, percentage	3.00%	2.20%	2.20%
Home Health [Member]
Net service revenues	$ 26,392	$ 16,245	$ 14,462
Home Health [Member] | Revenues [Member] | Customer Concentration Risk [Member]
Net service revenues	$ 26,392	$ 16,245	$ 14,462
Concentration risk, percentage	100.00%	100.00%	100.00%
Home Health [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Medicare [Member]
Net service revenues	$ 20,700	$ 12,765	$ 11,218
Concentration risk, percentage	78.40%	78.60%	77.60%
Home Health [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Managed Care Organizations [Member]
Net service revenues	$ 4,457	$ 3,188	$ 2,942
Concentration risk, percentage	16.90%	19.60%	20.30%
Home Health [Member] | Revenues [Member] | Customer Concentration Risk [Member] | Other [Member]
Net service revenues	$ 1,235	$ 292	$ 302
Concentration risk, percentage	4.70%	1.80%	2.10%