XML 20 R27.htm IDEA: XBRL DOCUMENT
v3.19.3

Basis of Presentation and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of Depreciation and Amortization Computed Using Straight Line Method Over Estimated Useful Lives of Assets | Depreciation and amortization are computed using the straight-line method over the estimated useful lives of the assets as follows:
Liquefaction plants and systems |  | 10 –20 years
Real property and buildings |  | 10 –15 years
Vehicles and tanker trailers and equipment |  | 5 – 15 years
Computer and office equipment |  | 3 – 10 years
Leasehold improvements |  | 3 – 5 years

X
- Definition Schedule Of Property Plant And Equipment Useful Lives Table [Text Block] + References No definition available. + Details
Name: | slng_ScheduleOfPropertyPlantAndEquipmentUsefulLivesTableTextBlock
Namespace Prefix: | slng_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration