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Restricted Investments
6 Months Ended
Jun. 30, 2011
Restricted Investments/Investments [Abstract]  
Restricted Investments
8. Restricted Investments
Pursuant to the regulations governing our Health Plan subsidiaries, we maintain statutory deposits and deposits required by state Medicaid authorities in certificates of deposit and U.S. treasury securities. Additionally, we maintain restricted investments as protection against the insolvency of capitated providers. The following table presents the balances of restricted investments by health plan, and for our insurance company:
                 
    June 30,     December 31,  
    2011     2010  
    (In thousands)  
California
  $ 372     $ 372  
Florida
    8,044       4,508  
Insurance Company
    4,680       4,689  
Michigan
    1,000       1,000  
Missouri
    506       508  
New Mexico
    15,894       15,881  
Ohio
    9,076       9,066  
Texas
    3,500       3,501  
Utah
    2,787       1,279  
Washington
    151       151  
Wisconsin
          260  
Other
    4,320       885  
 
           
 
  $ 50,330     $ 42,100  
 
           
The contractual maturities of our held-to-maturity restricted investments as of June 30, 2011 are summarized below.
                 
    Amortized     Estimated  
    Cost     Fair Value  
    (In thousands)  
Due in one year or less
  $ 46,732     $ 46,756  
Due one year through five years
    3,598       3,642  
 
           
 
  $ 50,330     $ 50,398