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CREDIT COMMITMENTS (Tables)
12 Months Ended
Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Credit Commitments and Standby Letters of Credit
Commitments to extend fixed and variable rate credit, and commercial and standby letters of credit, at December 31, 2012 and 2011 were as follows:
 
December 31,
 
2012
 
2011
 
(dollars expressed in thousands)
Commitments to extend credit
$
667,215

 
683,186

Commercial and standby letters of credit
59,075

 
65,993

Total
$
726,290

 
749,179