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Significant Accounting Policies, Impairment of Long-Lived Assets (Vessel) (Predecessor) (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jul. 05, 2022	Dec. 31, 2024	Dec. 31, 2021	Dec. 31, 2020
Impairment of Long-Lived Assets (Vessel) [Abstract]
Term of estimated charter rates used to determine undiscounted projected operating cash flows		1 year
Term of historical charter rates used to determine undiscounted projected operating cash flows		10 years
Impairment loss		$ 0
United Maritime Predecessor [Member]
Impairment of Long-Lived Assets (Vessel) [Abstract]
Term of estimated charter rates used to determine undiscounted projected operating cash flows	1 year
Term of historical charter rates used to determine undiscounted projected operating cash flows	10 years
Impairment loss	$ 0		$ 0	$ 0

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- References

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-2

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482130/360-10-45-4

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Period that estimated charter rates are used to determine undiscounted projected operating cash flows for each vessel, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period that historical charter rates are used to determine undiscounted projected operating cash flows for each vessel, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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