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Significant Accounting Policies (Narrative) (Details)
shares in Thousands, $ in Thousands
 12 Months Ended
Mar. 01, 2013
USD ($)
Feb. 28, 2013
segment
Dec. 31, 2016
USD ($)
state
segment
item
shares
Dec. 31, 2015
USD ($)
shares
Dec. 31, 2014
USD ($)
item
shares
Summary Of Significant Accounting Policies [Line Items]          
Number of reportable business segments | segment   2 1    
Number of states in which the company operates | state     24    
Number of consumers | item     33,000    
Number of locations | item     114    
Number of adult day service centers | item     3    
Goodwill impairment charge     $ 0 $ 0 $ 0
Impairment of finite-lived intangible assets     0 0 0
Impairment of intangible assets, indefinite-lived (Excluding Goodwill)     0 0 0
Deductible component of workers' compensation     400    
Interest income received     $ 2,800 $ 0 $ 0
Number of stock incentive plans | item         2
Stock Options [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Number of shares included in calculation | shares     405 650 684
Number of dilutive shares outstanding | shares     30 40 146
Restricted Stock [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Number of shares included in calculation | shares     103 89 80
Number of dilutive shares outstanding | shares     27 6 44
Minimum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Intangible assets, estimated useful lives     2 years    
Maximum [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Intangible assets, estimated useful lives     25 years    
Home Health Segment [Member] | LHC Group, Inc. [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Equity ownership percentage sold 90.00%        
Discontinued operation, percentage of ownership retained 10.00%        
Discontinued operation, cash consideration from sale of assets $ 20,000