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RESERVE FOR LOSS ON REPURCHASED LOANS (Tables)
 3 Months Ended
Mar. 31, 2018
Mortgage Banking Activities [Abstract]  
Summary of Activities in Reserve for Loss Reimbursements on Sold Loans
The following table presents a summary of activity in the reserve for losses on repurchased loans for the periods indicated:
 
 
Three Months Ended March 31,
($ in thousands)
 
2018
 
2017
Balance at beginning of period
 
$
6,306

 
$
7,974

Initial provision for loan repurchases
 
2

 
842

Subsequent change in the provision
 
(1,788
)
 
(325
)
Utilization of reserve for loan repurchases
 
(1,094
)
 
(373
)
Balance at end of period
 
$
3,426

 
$
8,118