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INVESTMENTS IN DEBT AND EQUITY SECURITIES - Schedule of Realized Gain (Loss) on Investments (Details 2) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Investments, Debt and Equity Securities [Abstract]        
Gross realized gains on sales of available-for-sale securities $ 110 $ 790 $ 802 $ 1,682
Gross realized losses on sales of available-for-sale securities 0 0 (354) (374)
Other-than-temporary impairment (2) (1) (411) (2)
Net realized gain on investment securities $ 108 $ 789 $ 37 $ 1,306