Fees paid to related parties for providing a wide range of shipping services such as crew management, technical management, operational employment management, insurance arrangements, provisioning, bunkering, accounting services, general administration and audit support.

No definition available.

Name:	icon_RelatedPartyTransactionManagementFees
Namespace Prefix:	icon_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Transactions with Related Parties, Pavimar Shipping Co. (Services agreement) (Details) - USD ($) $ in Thousands		6 Months Ended
	Apr. 01, 2026	Jun. 30, 2026	Jun. 30, 2025
Transactions with Related Party [Abstract]
Technical management fees		$ 434	$ 298
Related Party [Member] \| Pavimar S.A. [Member] \| Services Agreement [Member]
Transactions with Related Party [Abstract]
Technical management fees	$ 200