XML 40 R44.htm IDEA: XBRL DOCUMENT v2.4.1.9

Note 5 - Advances for Vessels Under Construction and Acquisitions (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 5 - Advances for Vessels Under Construction and Acquisitions (Details) [Line Items]
(in Dollars)	$ 88,965,085gass_AdvancesForVesselsUnderConstructionAndAcquisitions	$ 70,577,435gass_AdvancesForVesselsUnderConstructionAndAcquisitions	$ 19,321,045gass_AdvancesForVesselsUnderConstructionAndAcquisitions
Number of Vessels Under Construction	16gass_NumberOfVesselsUnderConstruction
LPG Carriers Contracted in 2012 from Seller [Member]
Note 5 - Advances for Vessels Under Construction and Acquisitions (Details) [Line Items]
Number of Vessels Under Construction	2gass_NumberOfVesselsUnderConstruction / us-gaap_PropertyPlantAndEquipmentByTypeAxis = gass_LPGCarriersContractedIn2012FromSellerMember	4gass_NumberOfVesselsUnderConstruction / us-gaap_PropertyPlantAndEquipmentByTypeAxis = gass_LPGCarriersContractedIn2012FromSellerMember
LPG Carriers Contracted in 2013 from Seller [Member]
Note 5 - Advances for Vessels Under Construction and Acquisitions (Details) [Line Items]
Number of Vessels Under Construction	3gass_NumberOfVesselsUnderConstruction / us-gaap_PropertyPlantAndEquipmentByTypeAxis = gass_LPGCarriersContractedIn2013FromSellerMember	5gass_NumberOfVesselsUnderConstruction / us-gaap_PropertyPlantAndEquipmentByTypeAxis = gass_LPGCarriersContractedIn2013FromSellerMember
LPG Carriers Contracted in 2013 from Ship-Builder [Member]
Note 5 - Advances for Vessels Under Construction and Acquisitions (Details) [Line Items]
Number of Vessels Under Construction	4gass_NumberOfVesselsUnderConstruction / us-gaap_PropertyPlantAndEquipmentByTypeAxis = gass_LPGCarriersContractedIn2013FromShipBuilderMember	6gass_NumberOfVesselsUnderConstruction / us-gaap_PropertyPlantAndEquipmentByTypeAxis = gass_LPGCarriersContractedIn2013FromShipBuilderMember
LPG Carriers Contracted in 2014 from Ship-builders [Member]
Note 5 - Advances for Vessels Under Construction and Acquisitions (Details) [Line Items]
Number of Vessels Under Construction	6gass_NumberOfVesselsUnderConstruction / us-gaap_PropertyPlantAndEquipmentByTypeAxis = gass_LPGCarriersContractedIn2014FromShipBuildersMember
LPG Carriers Contracted in 2014 from Sellers [Member]
Note 5 - Advances for Vessels Under Construction and Acquisitions (Details) [Line Items]
Number of Vessels Under Construction	1gass_NumberOfVesselsUnderConstruction / us-gaap_PropertyPlantAndEquipmentByTypeAxis = gass_LPGCarriersContractedIn2014FromSellersMember

X

- Definition

Advance payments to ship-builders for vessels under construction or payments to sellers for new vessels.

+ References

No definition available.

+ Details

Name:	gass_AdvancesForVesselsUnderConstructionAndAcquisitions
Namespace Prefix:	gass_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	gass_Note5AdvancesforVesselsUnderConstructionandAcquisitionsDetailsLineItems
Namespace Prefix:	gass_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of Vessels Under Construction

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=gass_LPGCarriersContractedIn2012FromSellerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=gass_LPGCarriersContractedIn2013FromSellerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=gass_LPGCarriersContractedIn2013FromShipBuilderMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=gass_LPGCarriersContractedIn2014FromSellersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=gass_LPGCarriersContractedIn2014FromShipBuildersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: