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
 9 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value $ 179,614 $ 255,469
Less than 12 months, Unrealized Losses (723) (8,390)
More than 12 Months, Fair value 103,466 34,860
More than 12 Months, Unrealized Losses (2,665) (1,437)
Fair value, Total 283,080 290,329
Unrealized Losses, Total (3,388) (9,827)
Obligations of States and Political Subdivisions [Member]
    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value 5,156 80,368
Less than 12 months, Unrealized Losses (62) (5,504)
More than 12 Months, Fair value 53,000 8,886
More than 12 Months, Unrealized Losses (1,351) (1,108)
Fair value, Total 58,156 89,254
Unrealized Losses, Total (1,413) (6,612)
Mortgage Backed Securities [Member]
    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value 142,368 168,297
Less than 12 months, Unrealized Losses (507) (2,806)
More than 12 Months, Fair value 45,989 24,254
More than 12 Months, Unrealized Losses (999) (175)
Fair value, Total 188,357 192,551
Unrealized Losses, Total (1,506) (2,981)
Corporate Bonds and Other Securities [Member]
    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value 32,090 6,804
Less than 12 months, Unrealized Losses (154) (80)
More than 12 Months, Fair value 4,477 1,720
More than 12 Months, Unrealized Losses (315) (154)
Fair value, Total 36,567 8,524
Unrealized Losses, Total $ (469) $ (234)