Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Jun. 30, 2014	Sep. 30, 2014	Sep. 30, 2013
Income Taxes [Abstract]
Income Tax Expense (Benefit)	$ 2,537	$ 3,799		$ (6,424)	$ 9,095
Proforma effective tax rate (in hundredths)	29.40%			31.80%
Net change in domestic valuation allowance	(824)			(15,183)
Net gain (loss) due to full consolidation				(4,122)
Change in domestic valuation allowance due to updated customer projections for future years			(13,041)
Forecasted change in domestic valuation allowance	(2,000)
Approximate remaining valuation allowance against foreign tax credits	10,000
Minimum [Member]
Income Tax Contingency [Line Items]
Potential future increase/(decrease) to unrecognized tax benefits	(6,100)			(6,100)
Maximum [Member]
Income Tax Contingency [Line Items]
Potential future increase/(decrease) to unrecognized tax benefits	8,000			8,000
Non-US Jurisdiction [Member]
Income Tax Contingency [Line Items]
Change in reserve for unrecognized tax benefits	(480)
2015 [Member]
Tax Credit Carryforward [Line Items]
Foreign tax credit carry forward	8,000			8,000
Foreign tax credit carry forward, expiration date				Dec. 31, 2015
2016 [Member]
Tax Credit Carryforward [Line Items]
Foreign tax credit carry forward	13,000			13,000
Foreign tax credit carry forward, expiration date				Dec. 31, 2016
2018 [Member]
Tax Credit Carryforward [Line Items]
Foreign tax credit carry forward	$ 4,000			$ 4,000
Foreign tax credit carry forward, expiration date				Dec. 31, 2018