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Income Taxes (Details Textual) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Dec. 31, 2010
Income Taxes (Textual) [Abstract]    
Loss carry-forwards exceed   $ 3,400,000
Percentage of payment to IRS, Tier C 12.50%  
Percentage of payment to IRS, Tier D 17.50%  
Cash payment to settle tax years 2,000  
Forfeiture amount over payment 1,234  
Valuation Allowance 3,393,097  
Expiration period Expiring in 2028 and will fully expire in 2032  
Operating tax carryforward expiration Year start 2028  
Operating tax carryforward expiration Year End 2032  
Ambac Assurance [Member]
   
Income Tax Examination [Line Items]    
Potential payment to outstanding disputes 100,000  
Ambac [Member]
   
Income Tax Examination [Line Items]    
Potential payment to outstanding disputes 1,900  
Federal Tax Authority [Member]
   
Income Tax Examination [Line Items]    
Net operating tax carry forward $ 7,567,960