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SECURITIES (Schedule of Unrealized Gross Losses and Estimated Fair values of Investment Securities) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]    
Fair Value $ 195,308 $ 115,880
Unrealized Losses (1,956) (199)
Fair Value 7,740 8,174
Unrealized Losses (661) (697)
Fair Value 203,048 124,054
Unrealized Losses (2,617) (896)
Mortgage-backed securities
   
Schedule of Available-for-sale Securities [Line Items]    
Fair Value 70,023 42,782
Unrealized Losses (630) (79)
Fair Value 15   
Unrealized Losses      
Fair Value 70,038 42,782
Unrealized Losses (630) (79)
Collateralized mortgage obligations
   
Schedule of Available-for-sale Securities [Line Items]    
Fair Value 125,125 73,098
Unrealized Losses (1,325) (120)
Fair Value      
Unrealized Losses      
Fair Value 125,125 73,098
Unrealized Losses (1,325) (120)
Private issue collateralized mortgage obligations
   
Schedule of Available-for-sale Securities [Line Items]    
Fair Value 160   
Unrealized Losses (1)   
Fair Value 7,725 8,174
Unrealized Losses (661) (697)
Fair Value 7,885 8,174
Unrealized Losses $ (662) $ (697)