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Acquisitions (Unaudited Pro Forma Condensed Consolidated Income Statement Information) (Details) - Hospic Partners, Alliance and VIP [Member]
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
$ / shares
Business Acquisition [Line Items]  
Net service revenues $ 171,487
Operating income 10,042
Net income $ 8,113
Basic income per share | $ / shares $ 0.62