Federal Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Contingency [Line Items]
Effective income tax rate	23.70%	28.70%
Federal income tax rate	34.00%	34.00%
Material unrecognized tax benefits or accrued interest and penalties	$ 0
Operating Loss Carryforwards	$ 6.0	$ 5.7
Minimum [Member]
Income Tax Contingency [Line Items]
Open Tax Year	2010
Maximum [Member]
Income Tax Contingency [Line Items]
Open Tax Year	2013