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ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)
 12 Months Ended
Dec. 31, 2013
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]  
Components of accumulated other comprehensive loss, after-tax
Accumulated other comprehensive income (loss) was comprised of the following components, after tax:

(dollars in thousands)
December 31,
 
2013
 
2012
 
2011
Unrealized (losses) gains on investment securities
$
(11,691
)
 
$
41,058

 
$
35,955

Pension
(9,466
)
 
(16,729
)
 
(15,161
)
Total accumulated other comprehensive (loss) income
$
(21,157
)
 
$
24,329

 
$
20,794