Commitments and contingencies.

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- Definition

Cost allocation percentage.

+ References

No definition available.

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- Definition

Maximum borrowing percentage of purchase price.

+ References

No definition available.

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- Definition

Represents the number of equipment sold.

+ References

No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

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- Definition

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Includes, but is not limited to, lease not yet commenced.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of unrecorded obligation to transfer funds in future for fixed or minimum amount or quantity of product and service at fixed or minimum price. Includes, but is not limited to, lease not yet commenced and take-or-pay and throughput contracts.

+ References

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- Definition

Maximum number of units that may be acquired, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes.

+ References

No definition available.

+ Details

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- Definition

The minimum number of units that must be purchased, in connection with an unconditional purchase obligation that has not been recognized for financial reporting purposes.

+ References

No definition available.

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Commitments and Contingencies - Additional Information (Details) R$ in Thousands	3 Months Ended
	Mar. 31, 2026 USD ($) Vessel	Mar. 31, 2026 BRL (R$)	Sep. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)
Commitments And Contingencies [Line Items]
Unrecorded unconditional purchase obligation, total	$ 44,300,000
Unrecorded unconditional purchase obligation payable during 2026	$ 26.1
Deficiency Notice
Commitments And Contingencies [Line Items]
Cost allocation percentage	70.00%
Deficiency Notice \| Seabulk Overseas
Commitments And Contingencies [Line Items]
Cost allocation percentage	30.00%
2024 SMFH Credit Facility
Commitments And Contingencies [Line Items]
Maximum borrowing percentage of purchase price			50.00%
2024 SMFH Credit Facility \| Tranche Two
Commitments And Contingencies [Line Items]
Line of credit facility, maximum borrowing capacity			$ 41,000,000
Line of credit facility, remaining borrowing capacity	$ 24,600,000
Line of credit	16,400,000
Minimum \| Deficiency Notice
Commitments And Contingencies [Line Items]
Potential range of levies	5,800,000	R$ 30,500
Maximum \| Deficiency Notice
Commitments And Contingencies [Line Items]
Potential range of levies	$ 2,500,000	R$ 12,870
Platform Supply Vessels
Commitments And Contingencies [Line Items]
Unrecorded unconditional purchase obligation, total				$ 42,300,000
Number of equipment sold \| Vessel	1
Unrecorded unconditional purchase obligation, maximum quantity	2	2
Unrecorded unconditional purchase obligation, Minimum quantity	1	1
Platform Supply Vessels \| 2024 SMFH Credit Facility
Commitments And Contingencies [Line Items]
Proceeds from sale of productive assets	$ 11,300,000
Payments to acquire productive assets	30,900,000
Hybrid Battery Power Systems
Commitments And Contingencies [Line Items]
Unrecorded unconditional purchase obligation, total	$ 1,700,000
Unrecorded unconditional purchase obligation, maximum quantity	2	2
Miscellaneous Vessel Equipment
Commitments And Contingencies [Line Items]
Unrecorded unconditional purchase obligation, total	$ 300,000