XML 72 R61.htm IDEA: XBRL DOCUMENT v3.19.1

Contingencies and Other Commitments (Details) - Pending Litigation [Member] $ in Millions		12 Months Ended
	May 18, 2016 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2019 USD ($)	Feb. 28, 2015 patient	Apr. 24, 2014 facilities	Aug. 12, 2013 facilities	Mar. 04, 2013 patient facilities
Honts lawsuit [Member]
Loss Contingencies [Line Items]
Number of hospitals involved in lawsuit | facilities						1
Punitive damages awarded in favor of plaintiff | $	$ 20.0
Portion of liability that would be covered through captive insurance subsidiary | $		$ 6.0
HHS-OIG Investigation [Member]
Loss Contingencies [Line Items]
Number of hospitals that received subpoenas | facilities					7		4
Number of patient medical records requested for each hospital in subpoenas | patient							100
Number of hospitals that received supplemental subpoenas | facilities					2
Number of additional patient medical records requested | patient				70
Compliance threshold under Health Care Act (percent)			60.00%
Loss Contingency Accrual | $			$ 48.0

X

- Definition

Compliance threshold under the Medicare, Medicaid, and State Children's Health Insurance Program (SCHIP) Extension Act of 2007 as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	ehc_ComplianceThresholdUnderHealthCareAct
Namespace Prefix:	ehc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of patient medical records requested for each hospital in subpoenas.

+ References

No definition available.

+ Details

Name:	ehc_NumberOfPatientMedicalRecordsRequestedForEachHospitalInSubpoenas
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of additional patient medical records requested.

+ References

No definition available.

+ Details

Name:	ehc_Numberofadditionalpatientmedicalrecordsrequested
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The specific number of hospitals involved in a particular lawsuit.

+ References

No definition available.

+ Details

Name:	ehc_Numberofhospitalsinvolvedinlawsuit
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of hospitals that received subpoenas in connection with an investigation of alleged improper or fraudulent claims submitted to Medicare and Medicaid.

+ References

No definition available.

+ Details

Name:	ehc_Numberofhospitalsthatreceivedsubpoenas
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of hospitals that received supplemental subpoenas to cover the new time period of January 2008 through December 2013

+ References

No definition available.

+ Details

Name:	ehc_Numberofhospitalsthatreceivedsupplementalsubpoenas
Namespace Prefix:	ehc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

+ Details

Name:	us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of damages awarded to the plaintiff in the legal matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14435-108349

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

+ Details

Name:	us-gaap_LossContingencyDamagesAwardedValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Maximum coverage per malpractice claim provided by the insurance arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 450
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6491354&loc=d3e6049-115624

+ Details

Name:	us-gaap_MalpracticeInsuranceMaximumCoveragePerIncident
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=ehc_HontslawsuitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_LitigationCaseAxis=ehc_HhsOigInvestigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: