Acquisitions (Schedule of Fair Values of Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Aug. 01, 2021	Dec. 31, 2020	Dec. 04, 2020	Nov. 01, 2020	Jul. 01, 2020	Dec. 31, 2019	Oct. 01, 2019	Aug. 01, 2019	Jun. 01, 2019
Business Acquisition [Line Items]
Goodwill	$ 504,392		$ 469,072				$ 275,368
Armada Skilled Homecare [Member]
Business Acquisition [Line Items]
Goodwill		$ 28,438
Identifiable intangible assets		990
Cash		674
Property and equipment		40
Other assets		29
Accounts payable		(21)
Accrued payroll		(359)
Total purchase price		$ 29,791
Queen City Hospice [Member]
Business Acquisition [Line Items]
Goodwill				$ 169,338
Identifiable intangible assets				20,015
Cash				15,444
Accounts receivable				5,915
Property and equipment				759
Operating lease assets, net				3,028
Other assets				85
Accounts payable				(2,285)
Accrued payroll				(1,555)
Accrued expenses				(528)
Government stimulus advances				(12,694)
Long-term operating lease liabilities				(2,765)
Total purchase price				$ 194,757
County Homemakers [Member]
Business Acquisition [Line Items]
Goodwill					$ 13,502
Identifiable intangible assets					474
Cash					1,104
Accounts receivable					1,357
Property and equipment					52
Operating lease assets, net					485
Other assets					40
Accounts payable					(85)
Accrued payroll					(586)
Accrued expenses					(37)
Long-term operating lease liabilities					(485)
Total purchase price					$ 15,821
A Plus Health Care, Inc [Member]
Business Acquisition [Line Items]
Goodwill						$ 9,732
Identifiable intangible assets						1,523
Cash						2,819
Accounts receivable						1,009
Operating lease assets, net						180
Other assets						26
Accounts payable						(34)
Accrued payroll						(275)
Accrued expenses						(353)
Long-term operating lease liabilities						(100)
Total purchase price						$ 14,527
Hospice Partners [Member]
Business Acquisition [Line Items]
Goodwill								$ 111,806
Identifiable intangible assets								18,090
Cash								5,489
Accounts receivable								6,411
Property and equipment								164
Operating lease assets, net								2,425
Other assets								702
Accounts payable								(1,737)
Accrued payroll								(1,110)
Accrued expenses								(3,635)
Deferred tax liability								(1,422)
Long-term operating lease liabilities								(1,615)
Total purchase price								$ 135,568
Alliance Home Health Care [Member]
Business Acquisition [Line Items]
Goodwill									$ 17,062
Identifiable intangible assets									5,422
Cash									177
Accounts receivable									1,754
Accounts payable									(316)
Other liabilities									(641)
Total purchase price									$ 23,458
VIP Health Care Services [Member]
Business Acquisition [Line Items]
Goodwill										$ 11,936
Identifiable intangible assets										15,370
Cash										130
Accounts receivable										4,730
Property and equipment										27
Operating lease assets, net										2,278
Other assets										30
Accounts payable										(540)
Accrued payroll										(1,742)
Accrued expenses										(770)
Long-term operating lease liabilities										(1,531)
Total purchase price										$ 29,918