Acquisitions (Schedule of Fair Values of Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Aug. 01, 2023	Dec. 31, 2022	Feb. 01, 2022	Dec. 31, 2021	Aug. 01, 2021
Business Acquisition [Line Items]
Goodwill	$ 662,995		$ 582,837		$ 504,392
Tennessee Quality Care [Member]
Business Acquisition [Line Items]
Goodwill		$ 79,346
Identifiable intangible assets		26,740
Cash		2,357
Accounts receivable		5,940
Property and equipment		307
Operating lease assets, net		194
Other assets		200
Accrued expenses		(1,407)
Accrued payroll		(2,368)
Long-term operating lease liabilities		(80)
Total purchase price		$ 111,229
JourneyCare [Member]
Business Acquisition [Line Items]
Goodwill				$ 69,446
Identifiable intangible assets				13,792
Cash				421
Accounts receivable				7,747
Property and equipment				1,194
Operating lease assets, net				3,728
Other assets				317
Accrued expenses				(5,002)
Accrued payroll				(1,511)
Long-term operating lease liabilities				(3,537)
Total purchase price				$ 86,595
Armada Skilled Homecare [Member]
Business Acquisition [Line Items]
Goodwill						$ 28,287
Identifiable intangible assets						990
Cash						676
Property and equipment						40
Other assets						24
Accrued payroll						(361)
Total purchase price						$ 29,656