Goodwill and Other Intangibles, Net - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Indefinite-lived Intangible Assets [Line Items]
Disposal Group, Including Discontinued Operation, Goodwill	$ 200,000
Impairment of intangible assets	2,000,000	500,000
Intangible Assets, Net (Excluding Goodwill)	79,685,000	62,184,000
Gain (Loss) on Disposition of Intangible Assets	1,400,000
Home-based services [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible Assets, Net (Excluding Goodwill)	73,400,000
Hospice Entity [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible Assets, Net (Excluding Goodwill)	5,300,000
Facility-based services [Member]
Indefinite-lived Intangible Assets [Line Items]
Intangible Assets, Net (Excluding Goodwill)	$ 1,000,000