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LOANS, Financing Receivables by Credit Quality Indicator (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Risk rating by loan class [Abstract]          
Loans $ 453,847   $ 453,847   $ 442,999
Allowance for credit losses [Roll Forward]          
Beginning balance 9,784 10,784 10,408 11,039 11,039
Provision for loan losses 825 1,190 2,051 3,670 5,138
Charge-offs (896) (836) (3,258) (4,042) (6,642)
Recoveries 104 299 616 770 873
Net charge-offs (792) (537) (2,642) (3,272) (5,769)
Ending balance 9,817 11,437 9,817 11,437 10,408
Allowance for loan loss allocations for impairments [Abstract]          
Loans individually evaluated for impairment 1,317 2,368 1,317 2,368 1,648
Loans collectively evaluated for impairment 8,500 9,069 8,500 9,069 8,760
Ending balance 9,817 11,437 9,817 11,437 10,408
Loans individually and collectively evaluated for impairment [Abstract]          
Loans individually evaluated for impairment 15,320 18,502 15,320 18,502 18,226
Loans collectively evaluated for impairment 438,527 420,791 438,527 420,791 424,773
Loans individually and collectively evaluated for impairment 453,847 439,293 453,847 439,293 442,999
Pass [Member]
          
Risk rating by loan class [Abstract]          
Loans 399,932   399,932   374,100
Special Mention [Member]
          
Risk rating by loan class [Abstract]          
Loans 22,146   22,146   30,517
Substandard [Member]
          
Risk rating by loan class [Abstract]          
Loans 31,695   31,695   37,945
Doubtful [Member]
          
Risk rating by loan class [Abstract]          
Loans 74   74   437
Loss [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Commercial [Member]
          
Risk rating by loan class [Abstract]          
Loans 93,888   93,888   91,914
Allowance for credit losses [Roll Forward]          
Beginning balance 2,782 3,629 3,598 3,761 3,761
Provision for loan losses 341 (83) 367 399 2,033
Charge-offs (25) (275) (1,104) (941) (2,381)
Recoveries 41 119 278 141 185
Net charge-offs 16 (156) (826) (770) (2,196)
Ending balance 3,139 3,390 3,139 3,390 3,598
Allowance for loan loss allocations for impairments [Abstract]          
Loans individually evaluated for impairment 152 73 152 73 101
Loans collectively evaluated for impairment 2,987 3,317 2,987 3,317 3,497
Ending balance 3,139 3,390 3,139 3,390 3,598
Loans individually and collectively evaluated for impairment [Abstract]          
Loans individually evaluated for impairment 3,604 3,478 3,604 3,478 3,488
Loans collectively evaluated for impairment 90,284 77,977 90,284 77,977 88,426
Loans individually and collectively evaluated for impairment 93,888 81,455 93,888 81,455 91,914
Commercial [Member] | Pass [Member]
          
Risk rating by loan class [Abstract]          
Loans 77,283   77,283   71,229
Commercial [Member] | Special Mention [Member]
          
Risk rating by loan class [Abstract]          
Loans 6,119   6,119   8,444
Commercial [Member] | Substandard [Member]
          
Risk rating by loan class [Abstract]          
Loans 10,486   10,486   11,804
Commercial [Member] | Doubtful [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   437
Commercial [Member] | Loss [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Commercial Real Estate [Member]
          
Risk rating by loan class [Abstract]          
Loans 192,750   192,750   175,793
Allowance for credit losses [Roll Forward]          
Beginning balance 2,062 1,626 1,747 1,957 1,957
Provision for loan losses 203 348 860 1,283 1,502
Charge-offs (4) (1) (346) (1,414) (2,000)
Recoveries 0 128 0 275 288
Net charge-offs (4) 127 (346) (1,139) (1,712)
Ending balance 2,261 2,101 2,261 2,101 1,747
Allowance for loan loss allocations for impairments [Abstract]          
Loans individually evaluated for impairment 19 633 19 633 22
Loans collectively evaluated for impairment 2,242 1,468 2,242 1,468 1,725
Ending balance 2,261 2,101 2,261 2,101 1,747
Loans individually and collectively evaluated for impairment [Abstract]          
Loans individually evaluated for impairment 4,800 7,557 4,800 7,557 4,269
Loans collectively evaluated for impairment 187,950 170,596 187,950 170,596 171,524
Loans individually and collectively evaluated for impairment 192,750 178,153 192,750 178,153 175,793
Commercial Real Estate [Member] | Pass [Member]
          
Risk rating by loan class [Abstract]          
Loans 172,687   172,687   148,317
Commercial Real Estate [Member] | Special Mention [Member]
          
Risk rating by loan class [Abstract]          
Loans 8,579   8,579   16,492
Commercial Real Estate [Member] | Substandard [Member]
          
Risk rating by loan class [Abstract]          
Loans 11,484   11,484   10,984
Commercial Real Estate [Member] | Doubtful [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Commercial Real Estate [Member] | Loss [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Agriculture [Member]
          
Risk rating by loan class [Abstract]          
Loans 49,103   49,103   52,064
Allowance for credit losses [Roll Forward]          
Beginning balance 1,126 2,555 1,934 2,141 2,141
Provision for loan losses (244) 405 (940) 1,023 511
Charge-offs 0 (290) (115) (610) (860)
Recoveries 0 24 3 140 142
Net charge-offs 0 (266) (112) (470) (718)
Ending balance 882 2,694 882 2,694 1,934
Allowance for loan loss allocations for impairments [Abstract]          
Loans individually evaluated for impairment 0 0 0 0 0
Loans collectively evaluated for impairment 882 2,694 882 2,694 1,934
Ending balance 882 2,694 882 2,694 1,934
Loans individually and collectively evaluated for impairment [Abstract]          
Loans individually evaluated for impairment 0 280 0 280 3,598
Loans collectively evaluated for impairment 49,103 55,482 49,103 55,482 48,466
Loans individually and collectively evaluated for impairment 49,103 55,762 49,103 55,762 52,064
Agriculture [Member] | Pass [Member]
          
Risk rating by loan class [Abstract]          
Loans 47,987   47,987   48,330
Agriculture [Member] | Special Mention [Member]
          
Risk rating by loan class [Abstract]          
Loans 1,116   1,116   0
Agriculture [Member] | Substandard [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   3,734
Agriculture [Member] | Doubtful [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Agriculture [Member] | Loss [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Residential Mortgage [Member]
          
Risk rating by loan class [Abstract]          
Loans 49,652   49,652   51,586
Allowance for credit losses [Roll Forward]          
Beginning balance 1,616 950 1,135 830 830
Provision for loan losses 223 345 735 645 566
Charge-offs (833) (37) (864) (228) (272)
Recoveries 0 0 0 11 11
Net charge-offs (833) (37) (864) (217) (261)
Ending balance 1,006 1,258 1,006 1,258 1,135
Allowance for loan loss allocations for impairments [Abstract]          
Loans individually evaluated for impairment 497 898 497 898 731
Loans collectively evaluated for impairment 509 360 509 360 404
Ending balance 1,006 1,258 1,006 1,258 1,135
Loans individually and collectively evaluated for impairment [Abstract]          
Loans individually evaluated for impairment 4,905 5,159 4,905 5,159 5,069
Loans collectively evaluated for impairment 44,747 45,080 44,747 45,080 46,517
Loans individually and collectively evaluated for impairment 49,652 50,239 49,652 50,239 51,586
Residential Mortgage [Member] | Pass [Member]
          
Risk rating by loan class [Abstract]          
Loans 43,357   43,357   42,845
Residential Mortgage [Member] | Special Mention [Member]
          
Risk rating by loan class [Abstract]          
Loans 1,455   1,455   1,830
Residential Mortgage [Member] | Substandard [Member]
          
Risk rating by loan class [Abstract]          
Loans 4,840   4,840   6,911
Residential Mortgage [Member] | Doubtful [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Residential Mortgage [Member] | Loss [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Residential Construction [Member]
          
Risk rating by loan class [Abstract]          
Loans 7,582   7,582   7,492
Allowance for credit losses [Roll Forward]          
Beginning balance 934 1,238 1,198 1,719 1,719
Provision for loan losses (102) (12) (429) (346) (395)
Charge-offs 0 0 (161) (198) (197)
Recoveries 36 2 260 53 71
Net charge-offs 36 2 99 (145) (126)
Ending balance 868 1,228 868 1,228 1,198
Allowance for loan loss allocations for impairments [Abstract]          
Loans individually evaluated for impairment 563 643 563 643 668
Loans collectively evaluated for impairment 305 585 305 585 530
Ending balance 868 1,228 868 1,228 1,198
Loans individually and collectively evaluated for impairment [Abstract]          
Loans individually evaluated for impairment 1,147 1,437 1,147 1,437 1,147
Loans collectively evaluated for impairment 6,435 6,689 6,435 6,689 6,345
Loans individually and collectively evaluated for impairment 7,582 8,126 7,582 8,126 7,492
Residential Construction [Member] | Pass [Member]
          
Risk rating by loan class [Abstract]          
Loans 4,882   4,882   5,140
Residential Construction [Member] | Special Mention [Member]
          
Risk rating by loan class [Abstract]          
Loans 1,624   1,624   927
Residential Construction [Member] | Substandard [Member]
          
Risk rating by loan class [Abstract]          
Loans 1,076   1,076   1,425
Residential Construction [Member] | Doubtful [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Residential Construction [Member] | Loss [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Consumer [Member]
          
Risk rating by loan class [Abstract]          
Loans 60,872   60,872   64,150
Allowance for credit losses [Roll Forward]          
Beginning balance 1,101 508 796 556 556
Provision for loan losses 100 362 991 638 996
Charge-offs (34) (233) (668) (681) (932)
Recoveries 27 26 75 150 176
Net charge-offs (7) (207) (593) (531) (756)
Ending balance 1,194 663 1,194 663 796
Allowance for loan loss allocations for impairments [Abstract]          
Loans individually evaluated for impairment 86 121 86 121 126
Loans collectively evaluated for impairment 1,108 542 1,108 542 670
Ending balance 1,194 663 1,194 663 796
Loans individually and collectively evaluated for impairment [Abstract]          
Loans individually evaluated for impairment 864 591 864 591 655
Loans collectively evaluated for impairment 60,008 64,967 60,008 64,967 63,495
Loans individually and collectively evaluated for impairment 60,872 65,558 60,872 65,558 64,150
Consumer [Member] | Pass [Member]
          
Risk rating by loan class [Abstract]          
Loans 53,736   53,736   58,239
Consumer [Member] | Special Mention [Member]
          
Risk rating by loan class [Abstract]          
Loans 3,253   3,253   2,824
Consumer [Member] | Substandard [Member]
          
Risk rating by loan class [Abstract]          
Loans 3,809   3,809   3,087
Consumer [Member] | Doubtful [Member]
          
Risk rating by loan class [Abstract]          
Loans 74   74   0
Consumer [Member] | Loss [Member]
          
Risk rating by loan class [Abstract]          
Loans 0   0   0
Unallocated [Member]
          
Allowance for credit losses [Roll Forward]          
Beginning balance 163 278 0 75 75
Provision for loan losses 304 (175) 467 28 (75)
Charge-offs 0 0 0 0 0
Recoveries 0 0 0 0 0
Net charge-offs 0 0 0 0 0
Ending balance 467 103 467 103 0
Allowance for loan loss allocations for impairments [Abstract]          
Loans individually evaluated for impairment 0 0 0 0 0
Loans collectively evaluated for impairment 467 103 467 103 0
Ending balance $ 467 $ 103 $ 467 $ 103 $ 0