Income Taxes Unrecognized Tax Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Unrecognized Tax Benefits	$ 1,539	$ 0	$ 0
Unrecognized Tax Benefits, Additions Based on Tax Positions Related to Current Year	896	0
Unrecognized Tax Benefits, Additions for Tax Positions of Prior Years	643	0
Unrecognized Tax Benefits, Reductions for Tax Positions Related to Current Year	0	0
Unrecognized Tax Benefits, Reductions for Tax Positions of Prior Years	$ 0	$ 0