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LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES - Additional Information (Detail) - USD ($)
9 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Receivables [Abstract]    
Maximum percentage of loan-to-value ratio upon loan origination (no more than) 80.00%  
Maximum percentage of loan-to-value ratios of the value of the real estate taken as collateral (no greater than) 90.00%  
Maximum percentage of credit worthiness of the borrower 43.00%  
Minimum amount of loan on which reviews have been made annually $ 1,000,000  
Minimum amount of loan rated as Substandard (greater than) $ 250,000  
Percentage of strong loan-to-value 70.00%  
Minimum    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Historical loss percentage adjustment to anticipated loss allocation (1.50%) (1.50%)
Maximum    
Financing Receivable, Allowance for Credit Losses [Line Items]    
Historical loss percentage adjustment to anticipated loss allocation 1.50% 1.50%