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Income Taxes Provision for Income taxes (Details) (USD $)
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12 Months Ended | ||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Income Tax Disclosure [Line Items] | |||
| Current income tax expense | $ 4,082,000 | $ 145,000 | $ 277,000 |
| Deferred income tax expense | 258,000 | (141,000) | (117,000) |
| Total income tax provision (benefit) | 4,340,000 | 4,000 | 160,000 |
| Change in deferred tax asset valuation allowance | 173,000,000 | ||
| Unrecognized Tax Benefits | 19,484,000 | 19,773,000 | 135,349,000 |
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Federal [Member]
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| Income Tax Disclosure [Line Items] | |||
| Current income tax expense | 0 | 0 | 0 |
| Deferred income tax expense | 0 | 0 | 0 |
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State [Member]
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|||
| Income Tax Disclosure [Line Items] | |||
| Current income tax expense | 0 | 0 | 0 |
| Deferred income tax expense | 0 | 0 | 0 |
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Foreign [Member]
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| Income Tax Disclosure [Line Items] | |||
| Current income tax expense | 4,082,000 | 145,000 | 277,000 |
| Deferred income tax expense | $ 258,000 | $ (141,000) | $ (117,000) |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The component of income tax expense for the period representing amounts of income taxes paid or payable (or refundable) for the period for all income tax obligations as determined by applying the provisions of relevant enacted tax laws to relevant amounts of taxable Income or Loss from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of the change in the period in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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