Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Taxes [Abstract]
Income Tax Expense (Benefit)	$ 454	$ 3,762
Effective tax rate (in hundredths)	28.00%
Net change in domestic valuation allowance	(198)
Forecasted change in domestic valuation allowance	(5,000)
Minimum [Member]
Income Tax Contingency [Line Items]
Potential future increase/(decrease) to unrecognized tax benefits	(6,500)
Maximum [Member]
Income Tax Contingency [Line Items]
Potential future increase/(decrease) to unrecognized tax benefits	8,000
Non-US Jurisdiction [Member]
Income Tax Contingency [Line Items]
Change in reserve for unrecognized tax benefits	39
2015 [Member]
Tax Credit Carryforward [Line Items]
Foreign tax credit carry forward	14,000
Foreign tax credit carry forward, expiration date	Dec. 31, 2015
2016 [Member]
Tax Credit Carryforward [Line Items]
Foreign tax credit carry forward	$ 13,000
Foreign tax credit carry forward, expiration date	Dec. 31, 2016