Acquisitions (Unaudited Pro Forma Condensed Consolidated Income Statement Information) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Armada Skilled Homecare [Member]
Business Acquisition [Line Items]
Net service revenues	$ 877,550
Operating income from continuing operations	67,635
Net income from continuing operations	$ 46,542
Basic income per share	$ 2.96
Diluted income per share	$ 2.90
Queen City Hospice, A Plus and County Homemakers [Member]
Business Acquisition [Line Items]
Net service revenues		$ 831,290
Operating income from continuing operations		45,555
Net income from continuing operations		$ 34,564
Basic income per share		$ 2.22
Diluted income per share		$ 2.17
Hospice Partners, Alliance and VIP [Member]
Business Acquisition [Line Items]
Net service revenues			$ 726,727
Operating income from continuing operations			46,571
Net income from continuing operations			$ 35,748
Basic income per share			$ 2.59
Diluted income per share			$ 2.51