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INVESTMENT SECURITIES (Details 3) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Jun. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position            
Less Than 12 Months, Carrying Value $ 68,194,000     $ 68,194,000   $ 71,658,000
Less Than 12 Months, Gross Unrealized Losses (337,000)     (337,000)   (897,000)
12 months or Longer, Carrying Value 2,379,000     2,379,000   5,979,000
12 months or Longer, Gross Unrealized Losses (162,000)     (162,000)   (1,576,000)
Total, Carrying Value 70,573,000     70,573,000   77,637,000
Total, Gross Unrealized Losses (499,000)     (499,000)   (2,473,000)
Other-than-temporary impairment loss on covered security   1,115,000   1,115,000    
FDIC loss sharing income (367,000) (102,000) 963,000 (4,048,000) 5,109,000  
FHLB Stock            
Investment in Federal Home Loan Bank stock carried at cost 40,923,000     40,923,000   46,106,000
Government agency and government-sponsored enterprise pass through securities
           
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position            
Less Than 12 Months, Carrying Value 34,136,000     34,136,000   34,682,000
Less Than 12 Months, Gross Unrealized Losses (150,000)     (150,000)   (64,000)
12 months or Longer, Carrying Value 20,000     20,000   22,000
12 months or Longer, Gross Unrealized Losses (1,000)     (1,000)   (1,000)
Total, Carrying Value 34,156,000     34,156,000   34,704,000
Total, Gross Unrealized Losses (151,000)     (151,000)   (65,000)
Government agency and government-sponsored enterprise collateralized mortgage obligations
           
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position            
Less Than 12 Months, Carrying Value 28,547,000     28,547,000   10,790,000
Less Than 12 Months, Gross Unrealized Losses (173,000)     (173,000)   (21,000)
12 months or Longer, Carrying Value           1,530,000
12 months or Longer, Gross Unrealized Losses           (15,000)
Total, Carrying Value 28,547,000     28,547,000   12,320,000
Total, Gross Unrealized Losses (173,000)     (173,000)   (36,000)
Covered private label collateralized mortgage obligations
           
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position            
Less Than 12 Months, Carrying Value           5,228,000
Less Than 12 Months, Gross Unrealized Losses           (595,000)
12 months or Longer, Carrying Value 2,359,000     2,359,000   4,427,000
12 months or Longer, Gross Unrealized Losses (161,000)     (161,000)   (1,560,000)
Total, Carrying Value 2,359,000     2,359,000   9,655,000
Total, Gross Unrealized Losses (161,000)     (161,000)   (2,155,000)
Number of securities impaired due to deteriorating cash flows 1     1    
Other-than-temporary impairment loss on covered security 1,100,000          
FDIC loss sharing income 892,000          
Percentage of FDIC's share of loss 80.00%          
Municipal securities
           
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position            
Less Than 12 Months, Carrying Value 5,511,000     5,511,000   7,755,000
Less Than 12 Months, Gross Unrealized Losses (14,000)     (14,000)   (56,000)
Total, Carrying Value 5,511,000     5,511,000   7,755,000
Total, Gross Unrealized Losses (14,000)     (14,000)   (56,000)
Corporate debt securities
           
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position            
Less Than 12 Months, Carrying Value           10,758,000
Less Than 12 Months, Gross Unrealized Losses           (26,000)
Total, Carrying Value           10,758,000
Total, Gross Unrealized Losses           (26,000)
Other securities
           
Carrying values and gross unrealized losses on securities by length of time the securities were in an unrealized loss position            
Less Than 12 Months, Carrying Value           2,445,000
Less Than 12 Months, Gross Unrealized Losses           (135,000)
Total, Carrying Value           2,445,000
Total, Gross Unrealized Losses           $ (135,000)