Identifiable Intangible Assets and Goodwill (Details Textual) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense	$ 1,300,000	$ 3,100,000
Estimated amortization expense for the remainder of 2013	2,800,000
Estimated amortization expense for 2014	2,400,000
Estimated amortization expense for 2015	2,300,000
Estimated amortization expense for 2016	1,400,000
Estimated amortization expense for 2017	1,200,000
Estimated amortization expense for 2018	400,000
Goodwill [Line Items]
Goodwill, Impairment Loss	220,800,000		0
Home Health [Member]
Goodwill [Line Items]
Goodwill, Impairment Loss	0		0
Hospice [Member]
Goodwill [Line Items]
Fair Value Inputs, Discount Rate	9.50%
Goodwill Impairment Test, Net Book Value of Reporting Unit	555,000,000
Goodwill, Impairment Loss	$ 220,800,000		$ 0