Goodwill and Intangibles - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, net carrying amount	$ 100,690		$ 96,405
Amortization of Intangible Assets	1,200	$ 1,000
Home health services
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, net carrying amount	68,900
Hospice Services
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, net carrying amount	23,600
Community-based services
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, net carrying amount	7,300
Facility-based services
Indefinite-lived Intangible Assets [Line Items]
Intangible assets, net carrying amount	$ 900