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Income Taxes (Details 7) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Valuation Allowance [Line Items] |  |  |
Balance at begining of year | $ 44,995 | $ 44,825 | $ 53,437
Additions Charges to earnings | 4,698 | 9,993 | 8,964
Deductions Charges to earnings | (1,552) | (1,774) | (381)
Expiration And Forfeitures | (10,183) | (11,655) | (15,414)
Others (Note) | 389 | 3,606 | (1,781)
Balance at end of year | $ 38,347 | $ 44,995 | $ 44,825

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- Definition The amount of chages to earning for allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed. + References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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