XML 69 R41.htm IDEA: XBRL DOCUMENT v3.20.1

Organization - Narrative (Details)	Mar. 31, 2020	Mar. 31, 2019
Hamilton Lane Advisors, L.L.C.
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Percent of economic interest held	55.10%	50.30%

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

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:	srt_OwnershipAxis=hlne_HamiltonLaneAdvisorsL.L.C.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: