XML 147 R114.htm IDEA: XBRL DOCUMENT v3.25.1

Transactions with Related Parties (Predecessor) (Details) - USD ($)	6 Months Ended	11 Months Ended	12 Months Ended
	Jul. 05, 2022	Dec. 31, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Related Party Expenses [Abstract]
Commission expense			$ 1,761,000	$ 1,113,000	$ 424,000
Management fees - related party		$ 285,000	1,741,000	1,421,000
Related Party [Member]
Related Party Expenses [Abstract]
Management fees - related party		$ 285,000	$ 1,741,000	$ 1,421,000
United Maritime Predecessor [Member]
Related Party Expenses [Abstract]
Commission expense	$ 88,436					$ 293,086	$ 160,545
Management fees - related party	$ 136,225					237,250	237,900
United Maritime Predecessor [Member] | Seanergy Management Corp. [Member]
Related Party Expenses [Abstract]
Management fees - related party						237,250	237,900
United Maritime Predecessor [Member] | Seanergy Management Corp. [Member] | Related Party [Member]
Related Party Expenses [Abstract]
Commercial fee	1.25%
Commission expense	$ 29,479					$ 97,695	$ 53,515
Daily fee for provision of management services	650
Monthly fixed management fee	14,000
Management fees - related party	$ 136,225

X

- Definition

Fee paid by vessel owners to charterers.

+ References

No definition available.

+ Details

Name:	usea_AddressCommissions
Namespace Prefix:	usea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	usea_RelatedPartyExpensesAbstract
Namespace Prefix:	usea_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of hire and freight revenue earned for chartering and post fixture services paid as a commission to a related party.

+ References

No definition available.

+ Details

Name:	usea_RelatedPartyTransactionCommissionFee
Namespace Prefix:	usea_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Daily fee charged for the provision of management services by a related party.

+ References

No definition available.

+ Details

Name:	usea_RelatedPartyTransactionDailyFeeForProvisionOfManagementServices
Namespace Prefix:	usea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

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.

+ References

No definition available.

+ Details

Name:	usea_RelatedPartyTransactionManagementFees
Namespace Prefix:	usea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Fixed monthly fees paid for arranging (directly or by subcontracting) for the crewing of the vessels, the day-to-day operations, inspections, maintenance, repairs, drydocking, purchasing, insurance and claims handling of vessels.

+ References

No definition available.

+ Details

Name:	usea_RelatedPartyTransactionMonthlyFixedManagementFee
Namespace Prefix:	usea_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=usea_UnitedMaritimePredecessorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=usea_SeanergyManagementCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: