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Cash and Cash Equivalents, Continuing Operations (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2012
Unrestricted cash and cash equivalents:      
Noninterest-bearing deposits $ 15,211 $ 17,332  
Short-term money market funds 33,376 33,373  
Loan servicing trust accounts 207 189  
Total unrestricted cash and cash equivalents 48,794 50,894  
Restricted cash and cash equivalents:      
Noninterest-bearing deposits - securing a letter of credit 784 784  
Noninterest-bearing deposits - legal settlement reserve funds 2,021 2,021  
Total restricted cash and cash equivalents 2,805 2,805  
Total cash and cash equivalents $ 51,599 $ 53,699 $ 52,615