FAIR VALUE, Asset Quantitative Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Impaired Loans [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value	15,066	16,443
Impaired Loans [Member] | Residential Real Estate [Member] | Sales Comparison [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value	2,652	2,739
Impaired Loans [Member] | Residential Real Estate [Member] | Sales Comparison [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	0.80%	0.80%
Impaired Loans [Member] | Residential Real Estate [Member] | Sales Comparison [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	16.70%	76.80%
Impaired Loans [Member] | Residential Real Estate [Member] | Sales Comparison [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	9.00%	10.50%
Impaired Loans [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value	512	512
Impaired Loans [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	40.00%	40.00%
Impaired Loans [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	70.00%	70.00%
Impaired Loans [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	44.10%	44.10%
Impaired Loans [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value	428	427
Impaired Loans [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	50.50%	59.00%
Impaired Loans [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	50.50%	59.00%
Impaired Loans [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	50.50%	59.00%
Impaired Loans [Member] | Commercial and Industrial [Member] | Sales Comparison [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value	7,050	8,300
Impaired Loans [Member] | Commercial and Industrial [Member] | Sales Comparison [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	0.00%	0.00%
Impaired Loans [Member] | Commercial and Industrial [Member] | Sales Comparison [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	68.70%	70.00%
Impaired Loans [Member] | Commercial and Industrial [Member] | Sales Comparison [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	39.80%	44.30%
Impaired Loans [Member] | All Other [Member] | Sales Comparison [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value	4,424	4,465
Impaired Loans [Member] | All Other [Member] | Sales Comparison [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	10.00%	64.00%
Impaired Loans [Member] | All Other [Member] | Sales Comparison [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	91.40%	91.40%
Impaired Loans [Member] | All Other [Member] | Sales Comparison [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	66.30%	64.80%
Other Real Estate Owned [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value	7,220	7,968
Other Real Estate Owned [Member] | Residential Real Estate [Member] | Sales Comparison [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value	50	255
Other Real Estate Owned [Member] | Residential Real Estate [Member] | Sales Comparison [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	62.30%	0.00%
Other Real Estate Owned [Member] | Residential Real Estate [Member] | Sales Comparison [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	62.30%	62.30%
Other Real Estate Owned [Member] | Residential Real Estate [Member] | Sales Comparison [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	62.30%	44.10%
Other Real Estate Owned [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value		250
Other Real Estate Owned [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)		0.00%
Other Real Estate Owned [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)		17.90%
Other Real Estate Owned [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)		7.20%
Other Real Estate Owned [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value	520	1,031
Other Real Estate Owned [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	1.90%	82.70%
Other Real Estate Owned [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	1.90%	82.70%
Other Real Estate Owned [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	1.90%	82.70%
Other Real Estate Owned [Member] | All Other [Member] | Sales Comparison [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Asset fair value	6,650	6,432
Other Real Estate Owned [Member] | All Other [Member] | Sales Comparison [Member] | Minimum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	4.70%	4.70%
Other Real Estate Owned [Member] | All Other [Member] | Sales Comparison [Member] | Maximum [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	15.90%	16.60%
Other Real Estate Owned [Member] | All Other [Member] | Sales Comparison [Member] | Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Comparability of sales (in hundredths)	12.30%	12.70%