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Nature Of Operations And Critical Accounting Policies And Estimates (Narrative) (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2014
Company's Revenues [Member]
Jun. 30, 2013
Company's Revenues [Member]
Jun. 30, 2014
Customer Relationships [Member]
Dec. 31, 2013
Customer Relationships [Member]
Significant Accounting Policies [Line Items]          
Estimated useful life       8 years 8 years
Cost adjustment period 2 years        
Percentage of regulatory revenue   3.00% 5.00%