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Basis of Presentation and General Information (Predecessor) (Details)	Jan. 19, 2022 shares
United Maritime Predecessor [Member]
Basis of Presentation [Abstract]
Share capital (in shares)	500

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- References

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- Definition

Total number of registered shares of an entity that have been sold or granted to parent entity.

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No definition available.

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Namespace Prefix:	usea_
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Period Type:	instant

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- Details

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