Income Taxes Current Provision (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Current Federal Tax Expense (Benefit)	$ 0	$ 0	$ 0
Current State and Local Tax Expense (Benefit)	(70)	122	38
Current Foreign Tax Expense (Benefit)	2,299	1,252	271
Current Income Tax Expense (Benefit)	2,229	1,374	309
Deferred Federal Income Tax Expense (Benefit)	0	(65)	(9,451)
Deferred State and Local Income Tax Expense (Benefit)	0	(3)	(74)
Deferred Foreign Income Tax Expense (Benefit)	12,726	1,284	(1,916)
Deferred Income Tax Expense (Benefit)	12,726	1,216	(11,441)
Income Tax Expense (Benefit)	$ 14,955	$ 2,590	$ (11,132)	[1]

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