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ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Loans Individualy Evaluated For Impairment) (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2012
Dec. 31, 2011
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid Principal Balance $ 68,710 $ 68,710 $ 70,494
Recorded Investment 61,303 61,303 63,516
Individually evaluated for impairment 0 0 0
Average Recorded Investment 60,142 60,868 54,954
Interest Income Recognized 334 977 970
Cash Basis Interest Income Recogonized 311 958 995
Commercial and Industrial Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Individually evaluated for impairment 6,571 6,571 9,443
Commercial Real Estate and Multi-Family Residential Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Individually evaluated for impairment 8,869 8,869 8,382
Agri-business and Agricultural Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Individually evaluated for impairment 67 67 213
Other Commercial [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Individually evaluated for impairment 0 0 0
Consumer 1-4 Family Mortgage Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Individually evaluated for impairment 459 459 288
Unallocated [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Individually evaluated for impairment 0 0 0
Other Consumer [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Individually evaluated for impairment 18 18 0
Other Commerical Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with an allowance recorded 0 0 0
Recorded investment with an allowance recorded 0 0 0
Allowance for loans losses allocated with an allowance recorded 0 0 0
Average recorded investment with an allowance recorded 0 0 129
Interest income recognized with an allowance recorded 0 0 0
Cash basis interest income recognized with an allowance recorded 0 0 0
Other Consumer Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with no related allowance recorded 1 1  
Unpaid principal balance with an allowance recorded 45 45 0
Recorded Investment with no related allowance recorded 1 1  
Recorded investment with an allowance recorded 45 45 0
Allowance for loan losses allocated with no related allowance recorded 0 0  
Allowance for loans losses allocated with an allowance recorded 18 18 0
Average recorded investment with no related allowance recorded 0 0  
Average recorded investment with an allowance recorded 30 14 0
Interest income recognized with no related allowance recorded 0 0  
Interest income recognized with an allowance recorded 1 1 0
Cash basis interest income recognized with no related allowance recorded 0 0  
Cash basis interest income recognized with an allowance recorded 1 1 0
Non-working Capital Loans [Member] | Commercial and Industrial Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with no related allowance recorded 70 70 116
Unpaid principal balance with an allowance recorded 19,357 19,357 20,867
Recorded Investment with no related allowance recorded 70 70 116
Recorded investment with an allowance recorded 17,175 17,175 18,119
Allowance for loan losses allocated with no related allowance recorded 0 0 0
Allowance for loans losses allocated with an allowance recorded 5,154 5,154 6,237
Average recorded investment with no related allowance recorded 70 136  
Average recorded investment with an allowance recorded 17,072 17,353  
Interest income recognized with no related allowance recorded 0 0  
Interest income recognized with an allowance recorded 171 528  
Cash basis interest income recognized with no related allowance recorded 0 0  
Cash basis interest income recognized with an allowance recorded 168 528  
Owner Occupied Loans [Member] | Commercial Real Estate and Multi-Family Residential Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with no related allowance recorded 781 781  
Unpaid principal balance with an allowance recorded 6,900 6,900 5,874
Recorded Investment with no related allowance recorded 601 601  
Recorded investment with an allowance recorded 6,287 6,287 5,082
Allowance for loan losses allocated with no related allowance recorded 0 0  
Allowance for loans losses allocated with an allowance recorded 1,527 1,527 1,566
Average recorded investment with no related allowance recorded 611 513  
Average recorded investment with an allowance recorded 5,702 4,859  
Interest income recognized with no related allowance recorded 0 0  
Interest income recognized with an allowance recorded 30 48  
Cash basis interest income recognized with no related allowance recorded 0 0  
Cash basis interest income recognized with an allowance recorded 19 35  
Closed End First Mortgage Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with no related allowance recorded 277 277  
Unpaid principal balance with an allowance recorded 1,562 1,562 2,461
Recorded Investment with no related allowance recorded 276 276  
Recorded investment with an allowance recorded 1,564 1,564 2,256
Allowance for loan losses allocated with no related allowance recorded 0 0  
Allowance for loans losses allocated with an allowance recorded 267 267 285
Average recorded investment with an allowance recorded     1,872
Interest income recognized with an allowance recorded     44
Cash basis interest income recognized with an allowance recorded     48
Open End and Junior Lien Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with no related allowance recorded 0 0  
Unpaid principal balance with an allowance recorded 354 354 409
Recorded Investment with no related allowance recorded 0 0  
Recorded investment with an allowance recorded 354 354 409
Allowance for loan losses allocated with no related allowance recorded 0 0  
Allowance for loans losses allocated with an allowance recorded 192 192 3
Average recorded investment with no related allowance recorded 0 20  
Average recorded investment with an allowance recorded 353 340 118
Interest income recognized with no related allowance recorded 0 0  
Interest income recognized with an allowance recorded 0 0 0
Cash basis interest income recognized with no related allowance recorded 0 0  
Cash basis interest income recognized with an allowance recorded 0 0 0
Working Capital Lines Of Credit Loans [Member] | Commercial and Industrial Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with an allowance recorded 5,915 5,915 7,831
Recorded investment with an allowance recorded 3,074 3,074 5,969
Allowance for loans losses allocated with an allowance recorded 1,417 1,417 3,206
Average recorded investment with an allowance recorded 3,059 4,420 5,649
Interest income recognized with an allowance recorded 13 42 23
Cash basis interest income recognized with an allowance recorded 10 38 25
Construction and Land Development Loans [Member] | Commercial Real Estate and Multi-Family Residential Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with an allowance recorded 3,786 3,786 816
Recorded investment with an allowance recorded 3,396 3,396 429
Allowance for loans losses allocated with an allowance recorded 672 672 125
Average recorded investment with an allowance recorded 2,436 1,814 1,319
Interest income recognized with an allowance recorded 18 35 0
Cash basis interest income recognized with an allowance recorded 13 30 0
Nonowner Occupied Loans [Member] | Commercial Real Estate and Multi-Family Residential Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with no related allowance recorded 385 385 0
Unpaid principal balance with an allowance recorded 27,957 27,957 30,769
Recorded Investment with no related allowance recorded 385 385 0
Recorded investment with an allowance recorded 27,255 27,255 30,283
Allowance for loan losses allocated with no related allowance recorded 0 0 0
Allowance for loans losses allocated with an allowance recorded 6,670 6,670 6,691
Average recorded investment with no related allowance recorded 385 217  
Average recorded investment with an allowance recorded 27,382 28,115  
Interest income recognized with no related allowance recorded 10 10  
Interest income recognized with an allowance recorded 78 280  
Cash basis interest income recognized with no related allowance recorded 13 13  
Cash basis interest income recognized with an allowance recorded 77 281  
Multifamily Loans [Member] | Commercial Real Estate and Multi-Family Residential Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with an allowance recorded 0 0 0
Recorded investment with an allowance recorded 0 0 0
Allowance for loans losses allocated with an allowance recorded 0 0 0
Average recorded investment with an allowance recorded 0 0 0
Interest income recognized with an allowance recorded 0 0 0
Cash basis interest income recognized with an allowance recorded 0 0 0
Loans Secured By Farmland [Member] | Agri-business and Agricultural Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with no related allowance recorded 666 666  
Unpaid principal balance with an allowance recorded 654 654 1,126
Recorded Investment with no related allowance recorded 487 487  
Recorded investment with an allowance recorded 333 333 628
Allowance for loan losses allocated with no related allowance recorded 0 0  
Allowance for loans losses allocated with an allowance recorded 67 67 195
Average recorded investment with no related allowance recorded 489    
Average recorded investment with an allowance recorded 343   610
Interest income recognized with no related allowance recorded 0    
Interest income recognized with an allowance recorded 0   0
Cash basis interest income recognized with no related allowance recorded 0    
Cash basis interest income recognized with an allowance recorded 0   0
Loans For Agricultural Production [Member] | Agri-business and Agricultural Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with no related allowance recorded 0 0  
Unpaid principal balance with an allowance recorded 0 0 225
Recorded Investment with no related allowance recorded 0 0  
Recorded investment with an allowance recorded 0 0 225
Allowance for loan losses allocated with no related allowance recorded 0 0  
Allowance for loans losses allocated with an allowance recorded 0 0 18
Average recorded investment with no related allowance recorded 0 68  
Average recorded investment with an allowance recorded 63 91 410
Interest income recognized with no related allowance recorded 0 0  
Interest income recognized with an allowance recorded 0 0 0
Cash basis interest income recognized with no related allowance recorded 0 0  
Cash basis interest income recognized with an allowance recorded 0 0 0
Residential Construction and Land Development Loans [Member] | Consumer 1-4 Family Mortgage Loans [Member]
     
Loans Individually Evaluated for Impairment [Abstract]      
Unpaid principal balance with an allowance recorded     0
Recorded investment with an allowance recorded     0
Allowance for loans losses allocated with an allowance recorded     0
Average recorded investment with an allowance recorded     0
Interest income recognized with an allowance recorded     0
Cash basis interest income recognized with an allowance recorded     $ 0