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Schedule I - Summary Of Investments Other Than Investments In Related Parties (Debtor-In-Possession)
 12 Months Ended
Dec. 31, 2011
Schedule I - Summary Of Investments Other Than Investments In Related Parties [Abstract]  
Schedule I - Summary Of Investments Other Than Investments In Related Parties

AMBAC FINANCIAL GROUP, INC. AND SUBSIDIARIES

DEBTOR-IN-POSSESSION

SCHEDULE I - SUMMARY OF INVESTMENTS

Other Than Investments in Related Parties

December 31, 2011

(Dollar Amounts in Thousands)

 

                         

Type of Investment

    Amortized
Cost		      Estimated
Fair Value		      Amount at which
shown in the
balance sheet		  

U.S. government obligations

    $ 367,118       $ 372,364       $ 372,364   

U.S. agency obligations

      80,960         86,871         86,871   

Municipal obligations

      1,858,493         2,002,999         2,002,999   

Residential mortgage-backed securities

      1,122,074         1,415,245         1,415,245   

Collateralized debt obligations

      48,686         46,237         46,237   

Other asset-backed securities

      953,944         947,808         947,808   

Corporate obligations

      1,087,629         1,127,500         1,127,500   

Foreign obligations

      89,951         94,795         94,795   

Short-term

      783,015         783,071         783,071   

Other

      100         100         100   
    

 

 

     

 

 

     

 

 

  

Total

    $ 6,391,970       $ 6,876,990       $ 6,876,990