Income Taxes Income Taxes (Valuation Allowance) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at January 1,				$ 1,418
Balance at December 31,	1,817	1,919	1,946	1,418
Additions charged to expense [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Increase (decrease) in valuation allowance from continuing operations	0	0	528
Deductions - other [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Increase (decrease) in valuation allowance from continuing operations	$ (102)	$ (27)	$ 0