Quarterly report pursuant to Section 13 or 15(d)

FEDERAL INCOME TAXES (Details)

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FEDERAL INCOME TAXES (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Income tax expense (benefit) [Abstract]            
Current $ 0 $ 13,000        
Deferred (benefit) expense 1,142,000 (13,000)        
Income tax expense (benefit) 1,142,000 0        
Reconciliation of financial statement tax expense (benefit) and amount computed by applying statutory federal tax rate to pretax income [Abstract]            
Statutory rate (in hundredths) 35.00% 35.00%        
Statutory rate applied to income before taxes 1,265,000 1,570,000        
Add (deduct) [Abstract]            
Change in valuation allowance 0 (1,473,000)        
Tax-exempt interest income (46,000) (12,000)        
Bank-owned life insurance (60,000) (78,000)        
Other, net (17,000) (7,000)        
Income tax expense (benefit) 1,142,000 0        
Valuation allowance on deferred tax assets 0   0 24,000,000 25,600,000 18,000,000
Other real estate     51,600,000 14,800,000    
Valuation allowance     18,900,000      
Deferred tax assets [Abstract]            
Allowance for loan losses 8,220,000   8,309,000      
Nonaccrual loan interest 1,050,000   1,023,000      
Valuation allowance on other real estate owned 6,261,000   6,356,000      
Net operating loss carryforward 3,123,000   4,188,000      
Other 1,797,000   1,794,000      
Gross deferred tax assets 20,451,000   21,670,000      
Valuation allowance 0   0 (24,000,000) (25,600,000) (18,000,000)
Total net deferred tax assets 20,451,000   21,670,000      
Deferred tax liabilities [Abstract]            
Depreciation (1,642,000)   (1,693,000)      
Unrealized gain on securities available for sale (460,000)   (517,000)      
Prepaid expenses (308,000)   (308,000)      
Other (347,000)   (372,000)      
Gross deferred tax liabilities (2,757,000)   (2,890,000)      
Net deferred tax asset 17,694,000   18,780,000      
Federal net operating loss carry forwards 8,900,000          
Federal net operating loss carry forwards, expiration date 2030          
Unrecognized tax benefits $ 0   $ 0      
Period when unrecognized tax benefits is not expected to significantly increase or decrease 12 months