v3.22.2.2
Management Contracts - Additional Information (Detail) - USD ($)
$ in Millions
Sep. 30, 2022
Sep. 30, 2021
Contractors [Abstract]
Management contracts
$ 80.9
$ 0.3
X
- Definition
Indefinite management contracts asset.
+ References
No definition available.
+ Details
Name:
hnna_IndefiniteManagementContractsAsset
Namespace Prefix:
hnna_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_ContractorsAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration