XML 83 R69.htm IDEA: XBRL DOCUMENT v3.24.2

Prepaid Expenses and Other Current Assets, Net (Details) - Schedule of Movements of Expected Credit Loss Provision - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Schedule Of Movements Of Expected Credit Loss Provision Abstract
At beginning of year	$ 2	$ 1
Provision (reversal) for the year	(2)	1	1
At end of year		$ 2	$ 1

X

- Definition

Provision (reversal) for the year.

+ References

No definition available.

+ Details

Name:	hiho_ProvisionreversalForTheYear
Namespace Prefix:	hiho_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	hiho_ScheduleOfMovementsOfExpectedCreditLossProvisionAbstract
Namespace Prefix:	hiho_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of allowance for credit loss on receivable, classified as other and current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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