Payables to Vessel Owners - Schedule of Payables to Vessel Owners (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Payables to Vessel Owners [Abstract]
Payables to non-pool vessels	$ 5,085,232	$ 4,907,672
Total	$ 5,085,232	$ 4,907,672

Payables to vessel owners commercial management services.

No definition available.

Name:	hmr_PayablesToVesselOwnersCommercialManagementServices
Namespace Prefix:	hmr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant