Income Taxes (Narrative of Expense) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes Narrative Of Expense Details
Income tax expense	$ 182	$ 0	$ 18
Foreign income tax expense	0	0	18
Accrued penalties and interest	$ 0	$ 0