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Basis of Presentation and Significant Accounting Policies - Foreign Currency Translation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accumulated translation gains	$ 13,769	$ 23,721
Foreign currency exchange gains (losses)	$ (2,222)	$ 681	$ (726)

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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