Acquisitions (Unaudited Pro Forma Condensed Consolidated Income Statement Information) (Details) - South Shore Home Health Service, Inc and Acaring Home Care, LLC [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Business Acquisition [Line Items]
Net service revenues	$ 101,606	$ 97,438
Operating income	6,961	(145)
Net income	$ 4,259	$ (361)
Basic income per share	$ 0.37	$ (0.03)
Diluted income per share	$ 0.37	$ (0.03)