Quarterly report pursuant to Section 13 or 15(d)

SECURITIES (Schedule of Gross Unrealized Losses and Fair Value of Investments) (Details)

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SECURITIES (Schedule of Gross Unrealized Losses and Fair Value of Investments) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value $ 201,817 $ 108,580
Less than 12 months, Unrealized Losses (8,484) (819)
More than 12 Months, Fair value 14,985 2,204
More than 12 Months, Unrealized Losses (402) (356)
Fair value, Total 216,802 110,784
Unrealized Losses, Total (8,886) (1,175)
Obligations of States and Political Subdivisions [Member]
    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value 67,957 22,397
Less than 12 months, Unrealized Losses (6,242) (283)
More than 12 Months, Fair value 435 649
More than 12 Months, Unrealized Losses (67) (42)
Fair value, Total 68,392 23,046
Unrealized Losses, Total (6,309) (325)
Mortgage Backed Securities [Member]
    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value 130,984 86,183
Less than 12 months, Unrealized Losses (2,205) (536)
More than 12 Months, Fair value 12,840   
More than 12 Months, Unrealized Losses (173)   
Fair value, Total 143,824 86,183
Unrealized Losses, Total (2,378) (536)
Corporate Bonds and Other Securities [Member]
    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value 2,876   
Less than 12 months, Unrealized Losses (37)   
More than 12 Months, Fair value 1,710 1,555
More than 12 Months, Unrealized Losses (162) (314)
Fair value, Total 4,586 1,555
Unrealized Losses, Total $ (199) $ (314)