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Leases - The Company as Lessee - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2023 EUR (€)	Dec. 31, 2023 USD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 USD ($)
Operating Lease, Payments	$ 103,445	$ 104,167	$ 88,326
Office Space [Member]
Sale Type Minimum Lease Payments Transactions Within Two Years				€ 8,000	$ 8,855	€ 7,000	$ 8,279

X

- Definition

Sale Type Minimum Lease Payments Transactions Within Two Years.

+ References

No definition available.

+ Details

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Namespace Prefix:	gass_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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X

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-5

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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Period Type:	duration

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- Details

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Balance Type:
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