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FAIR VALUE MEASUREMENTS AND DISCLOSURES (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Discount for selling costs (in hundredths) 6.00%  
Additional discount for taxes, insurance and maintenance costs (in hundredths) 4.00%  
Financial Assets [Abstract]    
Securities available-for-sale $ 424,617 $ 367,241
Financial liabilities [Abstract]    
Notes payable 29,100  
Carrying Value [Member]
   
Financial Assets [Abstract]    
Cash and cash equivalents 73,573 83,303
Time deposits held in banks 881 710
Securities available-for-sale 424,617 367,241
Securities held-to-maturity 153,524 100,472
Other investments 8,310 5,637
Loans, net 1,039,570 739,029
Cash surrender value of life insurance policies 13,183 4,853
Financial liabilities [Abstract]    
Non-interest-bearing deposits 380,557 254,755
Interest-bearing deposits 1,171,347 910,051
Securities sold under agreements to repurchase 41,447 46,078
Notes payable 29,128  
Junior subordinated debentures 29,384 15,465
Minimum [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Period when new appraisals are received (in weeks) 4  
Maximum [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Period when new appraisals are received (in weeks) 6  
Level 1 [Member] | Fair Value [Member]
   
Financial Assets [Abstract]    
Cash and cash equivalents 73,573 83,303
Time deposits held in banks 0 0
Securities available-for-sale 0 0
Securities held-to-maturity 0 0
Other investments 8,310 5,637
Loans, net 0 0
Cash surrender value of life insurance policies 0 0
Financial liabilities [Abstract]    
Non-interest-bearing deposits 0 0
Interest-bearing deposits 0 0
Securities sold under agreements to repurchase 41,447 46,078
Notes payable 0  
Junior subordinated debentures 0 0
Level 2 [Member] | Fair Value [Member]
   
Financial Assets [Abstract]    
Cash and cash equivalents 0 0
Time deposits held in banks 0 0
Securities available-for-sale 424,617 367,241
Securities held-to-maturity 156,924 101,131
Other investments 0 0
Loans, net 0 0
Cash surrender value of life insurance policies 13,183 4,853
Financial liabilities [Abstract]    
Non-interest-bearing deposits 380,557 254,755
Interest-bearing deposits 859,183 585,763
Securities sold under agreements to repurchase 0 0
Notes payable 0  
Junior subordinated debentures 22,167 8,248
Level 3 [Member] | Fair Value [Member]
   
Financial Assets [Abstract]    
Cash and cash equivalents 0 0
Time deposits held in banks 883 716
Securities available-for-sale 0 0
Securities held-to-maturity 0 0
Other investments 0 0
Loans, net 1,046,495 747,156
Cash surrender value of life insurance policies 0 0
Financial liabilities [Abstract]    
Non-interest-bearing deposits 0 0
Interest-bearing deposits 314,783 327,441
Securities sold under agreements to repurchase 0 0
Notes payable 29,128  
Junior subordinated debentures 7,776 9,095
Fair Value, Measurements, Recurring [Member]
   
Available-for-sale Securities [Abstract]    
U.S. Government sponsored enterprises 13,424 94,999
Obligations of state and political subdivisions 87,421 96,149
GSE mortgage-backed securities 178,819 109,487
Collateralized mortgage obligations: residential 101,986 41,468
Collateralized mortgage obligations: commercial 29,761 25,138
Other asset-backed securities 12,742  
Collateralized debt obligation 464  
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
   
Available-for-sale Securities [Abstract]    
U.S. Government sponsored enterprises 0 0
Obligations of state and political subdivisions 0 0
GSE mortgage-backed securities 0 0
Collateralized mortgage obligations: residential 0 0
Collateralized mortgage obligations: commercial 0 0
Other asset-backed securities 0  
Collateralized debt obligation 0  
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
   
Available-for-sale Securities [Abstract]    
U.S. Government sponsored enterprises 13,424 94,999
Obligations of state and political subdivisions 87,421 96,149
GSE mortgage-backed securities 178,819 109,487
Collateralized mortgage obligations: residential 101,986 41,468
Collateralized mortgage obligations: commercial 29,761 25,138
Other asset-backed securities 12,742  
Collateralized debt obligation 464  
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
   
Available-for-sale Securities [Abstract]    
U.S. Government sponsored enterprises 0 0
Obligations of state and political subdivisions 0 0
GSE mortgage-backed securities 0 0
Collateralized mortgage obligations: residential 0 0
Collateralized mortgage obligations: commercial 0 0
Other asset-backed securities 0  
Collateralized debt obligation 0  
Fair Value, Measurements, Nonrecurring [Member]
   
Assets and Liabilities Measured on Nonrecurring Basis    
Impaired Loans 2,245 2,994
Other real estate 7,496 7,369
Fair Value, Measurements, Nonrecurring [Member] | Level 1 [Member]
   
Assets and Liabilities Measured on Nonrecurring Basis    
Impaired Loans 0 0
Other real estate 0 0
Fair Value, Measurements, Nonrecurring [Member] | Level 2 [Member]
   
Assets and Liabilities Measured on Nonrecurring Basis    
Impaired Loans 2,245 2,994
Other real estate 7,496 7,369
Fair Value, Measurements, Nonrecurring [Member] | Level 3 [Member]
   
Assets and Liabilities Measured on Nonrecurring Basis    
Impaired Loans 0 0
Other real estate $ 0 $ 0