Almost Family Merger - Preliminary Valuation Analysis of Identifiable Assets and Liabilities Assumed for the Merger (Details) - USD ($) $ in Thousands	Apr. 01, 2018	Sep. 30, 2018	Dec. 31, 2017
Recognized amounts of identifiable assets acquired and liabilities assumed:
Preliminary goodwill		$ 1,152,232	$ 392,601
Almost Family
Business Acquisition [Line Items]
Stock	$ 795,412
Recognized amounts of identifiable assets acquired and liabilities assumed:
Cash and cash equivalents	16,547
Patient accounts receivable	95,185
Prepaid income taxes	2,705
Prepaid expenses and other current assets	9,466
Property and equipment	11,144
Customer relationships	13,970
Assets held for sale	2,850
Deferred income taxes	5,197
Accounts payable	(37,014)
Accrued other liabilities	(62,397)
Seller notes payable	(13,571)
NCI- Redeemable	(8,034)
Long term income taxes payable	(3,786)
Line of credit	(106,800)
NCI- Nonredeemable	(34,969)
Other assets and (liabilities), net	98
Total identifiable assets and liabilities	44,656
Preliminary goodwill	750,756
Trade name | Almost Family
Recognized amounts of identifiable assets acquired and liabilities assumed:
Indefinite-lived intangible assets	76,090
Certificates of need/licenses | Almost Family
Recognized amounts of identifiable assets acquired and liabilities assumed:
Indefinite-lived intangible assets	$ 77,975