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Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value On Nonrecurring Basis) (Detail) (Fair Value, Measurements, Nonrecurring [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Fair Value Measurements [Line Items]    
Loans $ 6,388 $ 2,346
Mortgage loans held for sale 32,753  
OREO 20,427 14,930
Total 59,568 17,276
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
   
Fair Value Measurements [Line Items]    
Loans      
Mortgage loans held for sale     
OREO      
Total      
Significant Other Observable Inputs (Level 2) [Member]
   
Fair Value Measurements [Line Items]    
Loans 6,388 2,346
Mortgage loans held for sale 32,753  
OREO 20,427 14,930
Total 59,568 17,276
Significant Unobservable Inputs (Level 3) [Member]
   
Fair Value Measurements [Line Items]    
Loans      
Mortgage loans held for sale     
OREO      
Total