FAIR VALUE MEASUREMENTS (Details 4) (USD $)				12 Months Ended						12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012 Nonrecurring basis Level 3	Dec. 31, 2011 Nonrecurring basis Level 3	Dec. 31, 2012 Nonrecurring basis Level 3 OREO Appraisals	Dec. 31, 2012 Nonrecurring basis Level 3 Impaired loans excluding balances with $250,000 or less Discounted cash flow	Dec. 31, 2012 Nonrecurring basis Level 3 Impaired loans excluding balances with $250,000 or less Appraisals	Dec. 31, 2012 Nonrecurring basis Level 3 SBA loan servicing asset	Dec. 31, 2011 Nonrecurring basis Level 3 SBA loan servicing asset	Dec. 31, 2012 Nonrecurring basis Level 3 SBA loan servicing asset Discounted cash flow	Dec. 31, 2012 Nonrecurring basis Level 3 Minimum OREO Appraisals	Dec. 31, 2012 Nonrecurring basis Level 3 Minimum Impaired loans excluding balances with $250,000 or less Discounted cash flow	Dec. 31, 2012 Nonrecurring basis Level 3 Minimum Impaired loans excluding balances with $250,000 or less Appraisals	Dec. 31, 2012 Nonrecurring basis Level 3 Minimum SBA loan servicing asset Discounted cash flow	Dec. 31, 2012 Nonrecurring basis Level 3 Maximum OREO Appraisals	Dec. 31, 2012 Nonrecurring basis Level 3 Maximum Impaired loans excluding balances with $250,000 or less Discounted cash flow	Dec. 31, 2012 Nonrecurring basis Level 3 Maximum Impaired loans excluding balances with $250,000 or less Appraisals	Dec. 31, 2012 Nonrecurring basis Level 3 Maximum SBA loan servicing asset Discounted cash flow	Dec. 31, 2012 Nonrecurring basis Level 3 Weighted average OREO Appraisals	Dec. 31, 2012 Nonrecurring basis Level 3 Weighted average Impaired loans excluding balances with $250,000 or less Discounted cash flow	Dec. 31, 2012 Nonrecurring basis Level 3 Weighted average Impaired loans excluding balances with $250,000 or less Appraisals
Information about quantitative unobservable inputs, assumptions and valuation methodology used to evaluate the fair values
Discount rates (as a percent)										5.00%	4.00%	4.00%	9.68%	29.00%	8.75%	100.00%	12.58%	8.00%	7.69%	30.00%
Selling costs (as a percent)				8.00%
Fair Value		$ 108,471,000	$ 146,992,000	$ 10,239,000	$ 94,038,000	$ 1,184,000	$ 1,000,000	$ 1,254,000	$ 1,000,000
Impaired loans with balances of $250,000 or less	$ 2,000,000
Prepayment speeds (as a percent)													3.69%				17.04%