| Component: (Network and Table) | |
|---|---|
| Network | 2405402 - Disclosure - Asset Retirement Obligations (Schedule of Asset Retirement Obligations) (Details) (http://www.syrginfo.com/role/AssetRetirementObligationsScheduleOfAssetRetirementObligationsDetails)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0001413507 (http://www.sec.gov/CIK) | 
| Asset Retirement Obligation Disclosure [Abstract] | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31  | 2015-09-01 - 2015-12-31  | 2014-09-01 - 2015-08-31  | |
Asset Retirement Obligation Disclosure [Abstract]  | |||
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]  | |||
Beginning asset retirement obligation  | |||
Obligations incurred with development activities  | |||
Obligations assumed with acquisitions  | |||
Accretion expense  | (  | (  | (  | 
Obligations discharged with asset retirements and settlements  | (  | (  | |
Revisions in previous estimates  | |||
Ending asset retirement obligation  | 13,400,000    | 12,334,000    | |