Goodwill and Intangibles - Additional Information (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, net carrying amount	$ 101,680		$ 96,405
Amortization of Intangible Assets	1,800	$ 1,400
Home health services
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, net carrying amount	69,500
Hospice Services
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, net carrying amount	24,000
Community-based services
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, net carrying amount	7,400
Facility-based services
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, net carrying amount	$ 800