Income Taxes Income Tax Examination (Details) (USD $)	12 Months Ended
	Dec. 31, 2013
Income Tax Examination [Line Items]
Income tax examination, examination completion date	February 2013
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	$ 57,000
Maximum [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2010
Open Tax Year	2013
Minimum [Member]
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2009
Open Tax Year	2011