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COMMITMENTS AND CONTINGENCIES (Tables)
3 Months Ended
Mar. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Guarantor Obligations
A summary of the Company’s commitments is as follows:     
(dollars in thousands)
March 31,
2018
 
December 31,
2017
Commitments to extend credit
$
1,102,240

 
$
1,109,806

Unused home equity lines of credit
71,138

 
69,788

Financial standby letters of credit
11,960

 
11,389

Mortgage interest rate lock commitments
153,809

 
86,149

Mortgage forward contracts with positive fair value
97,032

 
31,500