FAIR VALUES OF FINANCIAL INSTRUMENTS (Quantitative Information about Level 3 Fair Value Measurements) (Details) (USD $) In Thousands, unless otherwise specified			12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Non Agency Residential Mortgage Backed Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2012 Non Agency Residential Mortgage Backed Securities [Member] Fair Value, Inputs, Level 3 [Member] Constant Prepayment Rate [Member] Minimum [Member]	Dec. 31, 2012 Non Agency Residential Mortgage Backed Securities [Member] Fair Value, Inputs, Level 3 [Member] Constant Prepayment Rate [Member] Maximum [Member]	Dec. 31, 2012 Non Agency Residential Mortgage Backed Securities [Member] Fair Value, Inputs, Level 3 [Member] Constant Prepayment Rate [Member] Weighted Average [Member]	Dec. 31, 2012 Non Agency Residential Mortgage Backed Securities [Member] Fair Value, Inputs, Level 3 [Member] Average Life [Member] Minimum [Member]	Dec. 31, 2012 Non Agency Residential Mortgage Backed Securities [Member] Fair Value, Inputs, Level 3 [Member] Average Life [Member] Maximum [Member]	Dec. 31, 2012 Non Agency Residential Mortgage Backed Securities [Member] Fair Value, Inputs, Level 3 [Member] Average Life [Member] Weighted Average [Member]	Dec. 31, 2012 Non Agency Residential Mortgage Backed Securities [Member] Fair Value, Inputs, Level 3 [Member] Swap/EDSF Spread [Member] Minimum [Member]	Dec. 31, 2012 Non Agency Residential Mortgage Backed Securities [Member] Fair Value, Inputs, Level 3 [Member] Swap/EDSF Spread [Member] Maximum [Member]	Dec. 31, 2012 Non Agency Residential Mortgage Backed Securities [Member] Fair Value, Inputs, Level 3 [Member] Swap/EDSF Spread [Member] Weighted Average [Member]	Dec. 31, 2012 State and Municipal Securities [Member] Fair Value, Inputs, Level 3 [Member]	Dec. 31, 2012 State and Municipal Securities [Member] Fair Value, Inputs, Level 3 [Member] Discount To Benchmark Index [Member] Minimum [Member]	Dec. 31, 2012 State and Municipal Securities [Member] Fair Value, Inputs, Level 3 [Member] Discount To Benchmark Index [Member] Maximum [Member]	Dec. 31, 2012 State and Municipal Securities [Member] Fair Value, Inputs, Level 3 [Member] Discount To Benchmark Index [Member] Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Total assets	$ 467,760	$ 467,797	$ 2,859										$ 988
Valuation Technique			Discounted cash flow										Price to type, par, call
Range of Inputs (Average) (in hundredths)				5.00%	9.00%	(6.00%)	0.20%	2.86%	(2.70%)	297.00%	339.00%	(328.00%)		1.00%	11.00%	(4.00%)