| Summary of Significant Accounting Policies- Asset Retirement Obligations (Details) - USD ($) | Jun. 30, 2015 | Dec. 31, 2014 | 
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| Accounting Policies [Abstract] | ||
| AROs | $ 0 | $ 0 | 
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- References No definition available. 
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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