Annual report pursuant to Section 13 and 15(d)

Income Taxes (NOL and Tax Credit Carryforward) (Details)

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Income Taxes (NOL and Tax Credit Carryforward) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Federal
 
Net Operating Losses and Tax Credit Carryforwards  
Net operating losses, amount $ 152,323
Tax credits, amount 3,876
State
 
Net Operating Losses and Tax Credit Carryforwards  
Net operating losses, amount 123,395
Tax credits, amount 4,750
Foreign
 
Net Operating Losses and Tax Credit Carryforwards  
Net operating losses, amount 12,916
Tax credits, amount $ 16