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Business Combinations - Textual (Details) - Home Health and Hospice Segment [Member]
$ in Millions
1 Months Ended 3 Months Ended
Mar. 31, 2019
USD ($)
location
Mar. 31, 2019
USD ($)
location
Mar. 01, 2019
location
Alacare [Member]      
Business Acquisition [Line Items]      
Payments to Acquire Businesses, Gross | $ $ 217.5    
Tidewater and Care Resource Group [Member]      
Business Acquisition [Line Items]      
Business Acquisition, Goodwill, Expected Tax Deductible Amount | $ $ 10.8 $ 10.8  
Noncompete agreements [Member] | Tidewater and Care Resource Group [Member]      
Business Acquisition [Line Items]      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   5 years  
Certificates of need [Member] | Tidewater and Care Resource Group [Member]      
Business Acquisition [Line Items]      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   10 years  
License [Member] | Tidewater and Care Resource Group [Member]      
Business Acquisition [Line Items]      
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   10 years  
Home health [Member] | Alacare [Member]      
Business Acquisition [Line Items]      
Number of Locations of an Acquired Entity 23 23  
Home health [Member] | Care Resource Group [Member]      
Business Acquisition [Line Items]      
Number of Locations of an Acquired Entity     2
Hospice [Member] | Alacare [Member]      
Business Acquisition [Line Items]      
Number of Locations of an Acquired Entity 23 23