Income Taxes - Narrative (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	27.40%	(217.20%)
Income Tax Expense (Benefit)	$ 1,063	$ (459)
Tax Credit Research And Development	$ 500