Acquisitions (Schedule of Purchase Price Allocation) (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 01, 2019	Dec. 31, 2018	May 01, 2018	Apr. 01, 2018	Jan. 01, 2018
Business Acquisition [Line Items]
Goodwill	$ 145,812		$ 135,442
VIP Health Care Services [Member]
Business Acquisition [Line Items]
Goodwill	$ 10,400	$ 10,374
Identifiable intangible assets		15,370
Cash		110
Accounts receivable		5,986
Other assets		2,308
Property and equipment		27
Accounts payable		(385)
Accrued expenses		(747)
Accrued payroll		(1,571)
Other liabilities		(1,554)
Total purchase price allocation		$ 29,918
Ambercare Corporation [Member]
Business Acquisition [Line Items]
Goodwill				$ 28,831
Identifiable intangible assets				9,944
Cash				12,028
Accounts receivable				6,512
Other assets				442
Property and equipment				154
Accounts payable				(3)
Accrued expenses				(4,073)
Deferred tax liability				(2,138)
Financing lease				(75)
Total purchase price allocation				$ 51,622
Arcadia Home Care And Staffing [Member]
Business Acquisition [Line Items]
Goodwill					$ 13,072
Identifiable intangible assets					2,264
Accounts receivable					5,317
Other assets					92
Property and equipment					155
Accounts payable					(508)
Accrued expenses					(1,540)
Total purchase price allocation					$ 18,852
Lifestyle Options, Inc. [Member]
Business Acquisition [Line Items]
Goodwill						$ 2,751
Identifiable intangible assets						1,152
Accounts receivable						573
Other assets						32
Property and equipment						18
Accounts payable						(105)
Accrued expenses						(291)
Total purchase price allocation						$ 4,130