XML 58 R52.htm IDEA: XBRL DOCUMENT v2.4.0.8

Note 15 - Subsequent Events (Details) (Subsequent Event [Member], USD $)	1 Months Ended
	Oct. 31, 2013
Note 15 - Subsequent Events (Details) [Line Items]
Number Of Vessels	2
ContractualObligationNumberOfQuarterlyInstallments	32
Vessel Cost [Member] | Minimum Employment Condition [Member]
Note 15 - Subsequent Events (Details) [Line Items]
Contractual Obligation (in Dollars)	$ 21,700,000
ContractualObligationPercentageOfFairMarketValue	70.00%
Vessel Cost [Member]
Note 15 - Subsequent Events (Details) [Line Items]
Contractual Obligation (in Dollars)	$ 20,150,000
ContractualObligationPercentageOfFairMarketValue	65.00%

X

- Definition

Number of quarterly installments of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ Details

Name:	gass_ContractualObligationNumberOfQuarterlyInstallments
Namespace Prefix:	gass_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of fair market value of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ Details

Name:	gass_ContractualObligationPercentageOfFairMarketValue
Namespace Prefix:	gass_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	gass_Note15SubsequentEventsDetailsLineItems
Namespace Prefix:	gass_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number Of Vessels

+ References

No definition available.

+ Details

Name:	gass_NumberOfVessels
Namespace Prefix:	gass_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

+ References

No definition available.

+ Details

Name:	us-gaap_ContractualObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant