XML 80 R68.htm IDEA: XBRL DOCUMENT v3.5.0.1

BUSINESS COMBINATION (DETAILS TEXTUAL) - Kayser Myanmar [Member] - USD ($) $ in Thousands	Mar. 31, 2016	Mar. 09, 2015	Jun. 09, 2014
Business Acquisition [Line Items]
Equity Method Investment, Ownership Percentage		50.00%	25.00%
Business Acquisition Contingent Consideration Potential Cash Payments		$ 50	$ 25
Noncontrolling Interest, Ownership Percentage by Parent	25.00%
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	$ 25

X

- Definition

Amount of potential cash payments that could result from the contingent consideration arrangement.

+ References

No definition available.

+ Details

Name:	hiho_BusinessAcquisitionContingentConsiderationPotentialCashPayments
Namespace Prefix:	hiho_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=hiho_KayserMyanmarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: