Income Taxes (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Foreign and state net operating loss carryforwards	$ 261,091
Net operating loss carryforwards, change in valuation allowance	603
Deferred tax liability not recognized from foreign corporate joint venture	$ 5,509