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Acquisitions (Narrative) (Details) - USD ($) $ in Thousands							3 Months Ended								12 Months Ended
	Feb. 23, 2016	Feb. 05, 2016	Nov. 09, 2015	Jan. 01, 2015	Jun. 01, 2014	Dec. 01, 2013	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Acquisitions of businesses															$ 20,026	$ 8,365	$ 7,172
Current portion of contingent earn-out obligation											$ 1,250					1,250
Net service revenues							$ 103,657	$ 103,502	$ 100,927	$ 92,602	$ 84,760	$ 84,331	$ 85,809	$ 81,915	400,688	336,815	312,942
Cura Partners, LLC [Member]
Business Acquisition [Line Items]
Acquisitions of businesses					$ 7,172
Business acquisition, contingent earn-out obligation					1,020										0	0	200
Business acquisition, contingent earn-out obligation, present value							$ 1,200								1,200
Total purchase price for business acquisition					8,192
Net service revenues															10,700	7,500
Cura Partners, LLC [Member] | Tennessee [Member]
Business Acquisition [Line Items]
Acquisition related costs					$ 600
Coordinated Home Health Care, LLC [Member]
Business Acquisition [Line Items]
Business acquisition, contingent earn-out obligation						$ 1,100										1,300	1,900
Business acquisition, contingent earn-out obligation, present value						$ 2,300
Total purchase price for business acquisition															8,200
Coordinated Home Health Care, LLC [Member] | New Mexico [Member]
Business Acquisition [Line Items]
Current portion of contingent earn-out obligation																	$ 1,000
Priority Home Health Care, Inc [Member] | Ohio [Member]
Business Acquisition [Line Items]
Acquisitions of businesses				$ 4,300
Acquisition related costs				$ 500
Net service revenues															7,500	9,000
Net (loss) income from continuing operations															300	100
South Shore Home Health Service, Inc and Acaring Home Care, LLC [Member]
Business Acquisition [Line Items]
Net service revenues															51,700
Net (loss) income from continuing operations															(800)
South Shore Home Health Service, Inc and Acaring Home Care, LLC [Member] | New York [Memebr]
Business Acquisition [Line Items]
Acquisitions of businesses		$ 20,000
Acquisition related costs		$ 1,300
Five Points Healthcare of Virginia, LLC ("Five Points") [Member] | Virginia [Member]
Business Acquisition [Line Items]
Acquisitions of businesses			$ 4,100
Acquisition related costs			$ 400
Net service revenues															4,100	700
Net (loss) income from continuing operations															0	$ 0
Lutheran Social Services of Illinois ("LSSI") [Member]
Business Acquisition [Line Items]
Net service revenues															1,000
Lutheran Social Services of Illinois ("LSSI") [Member] | Illinois [Member]
Business Acquisition [Line Items]
Total purchase price for business acquisition	$ 100
Net (loss) income from continuing operations															$ 100

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