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
 9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value $ 177,203 $ 124,731
Less than 12 months, Unrealized Losses (1,543) (724)
More than 12 Months, Fair value 52,522 96,404
More than 12 Months, Unrealized Losses (1,129) (1,134)
Fair value, Total 229,725 221,135
Unrealized Losses, Total (2,672) (1,858)
US Government Agencies Debt Securities [Member]    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value   7,055
Less than 12 months, Unrealized Losses   (25)
Fair value, Total   7,055
Unrealized Losses, Total   (25)
Obligations of States and Political Subdivisions [Member]    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value 33,742 13,602
Less than 12 months, Unrealized Losses (252) (93)
More than 12 Months, Fair value 6,610 42,514
More than 12 Months, Unrealized Losses (260) (628)
Fair value, Total 40,352 56,116
Unrealized Losses, Total (512) (721)
Mortgage Backed Securities [Member]    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value 118,679 60,151
Less than 12 months, Unrealized Losses (459) (362)
More than 12 Months, Fair value 28,026 49,581
More than 12 Months, Unrealized Losses (176) (436)
Fair value, Total 146,705 109,732
Unrealized Losses, Total (635) (798)
Corporate Bonds and Other Securities [Member]    
Schedule of gross unrealized losses and fair value of investments    
Less than 12 months, Fair value 24,782 43,923
Less than 12 months, Unrealized Losses (832) (244)
More than 12 Months, Fair value 17,886 4,309
More than 12 Months, Unrealized Losses (693) (70)
Fair value, Total 42,668 48,232
Unrealized Losses, Total $ (1,525) $ (314)