Summary of Significant Accounting Policies (General) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
General [Abstract]
Area of Services, in Square Miles	10,000
MiraSol Energy Services, Inc
Subsidiary or Equity Method Investee [Line Items]
Disposal Date	Dec. 03, 2013
Net Assets and Stockholders' Equity at Wholly Owned Subsidiary	$ 0.1