Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013 Group Times	Dec. 31, 2012	Dec. 31, 2011
Summary Of Significant Accounting Policies [Line Items]
License Leasing Arrangements	100.00%
Number of Medicare home health resource groups	153
Number of days from date RAP paid to submit final Medicare bill	60 days
Low utilization adjustment visits	5
Minimum percentage of Medicare reimbursement from inpatient care services that subjects individual programs to inpatient cap	20.00%
Determination period for hospice Medicare inpatient reimbursement cap	12 months
Reimbursement for initial episode of care	60.00%
Number of days from start of episode to submit final Medicare bill	120 days
Reimbursement for subsequent episodes of care	50.00%
Goodwill impairment charges	$ 0	$ 0	$ 0
Loss on impairment of intangible assets	500,000	650,000	0
Depreciation expense	$ 6,900,000	$ 6,900,000	$ 6,600,000
Building [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	39 years
Credit Risk [Member]
Summary Of Significant Accounting Policies [Line Items]
Medicare credit risk for accounts receivable	68.60%	63.60%
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Equity Joint Ventures, Ownership	51.00%
Estimated useful life	2 years
Minimum [Member] | Transportation, furniture and other equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	3 years
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Equity Joint Ventures, Ownership	91.00%
Estimated useful life	5 years
Maximum [Member] | Transportation, furniture and other equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	10 years