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