Risks and Other Important Factors	6 Months Ended
Risks and Other Important Factors	Jun. 30, 2014
Risks and Uncertainties [Abstract]
Risks and Other Important Factors	Risks and Other Important Factors — See “Item 1A. Risk Factors” of Part II of this Quarterly Report on Form 10-Q (“Quarterly Report”) and "Item 1A. Risk Factors" of Part I of the 2013 Annual Report, which describes key risks associated with our operations and industry.

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

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