Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jun. 29, 2014 Ecova [Member]	Dec. 31, 2013 Other Intangible Assets [Member] Minimum [Member]	Dec. 31, 2013 Other Intangible Assets [Member] Maximum [Member]	Dec. 31, 2013 Software and Software Development Costs [Member] Minimum [Member]	Dec. 31, 2013 Software and Software Development Costs [Member] Maximum [Member]	Dec. 31, 2013 Customer Relationships [Member] Minimum [Member]	Dec. 31, 2013 Customer Relationships [Member] Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Maximum Dividends Allowed by Debt Covenants	$ 395,700,000		$ 395,700,000
Finite-Lived Intangible Asset, Useful Life							1 year	10 years	3 years	7 years	2 years	12 years
Owners percentage interest						80.20%
Investment Portfolio Percentage, Rated AA-, Aa3 and Higher					95.00%
Sale and maturity of securities available for sale	$ 3,209,000	$ 8,130,000	$ 14,612,000	$ 15,130,000