Income Taxes (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Income Taxes [Line Items]
Foreign and state net operating loss carryforwards	$ 273,341
Net operating loss carryforwards, change in valuation allowance	1,010
Investments in Foreign Subsidiaries and Foreign Corporate Joint Ventures that are Essentially Permanent in Duration [Member]
Income Taxes [Line Items]
Undistributed earnings and profits of foreign corporate joint venture and foreign subsidiaries	16,872
Deferred tax liability not recognized from foreign corporate joint venture	$ 6,243