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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Summary of Fair Value of Derivative Instruments and Location in Statement of Financial Condition (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Derivatives Fair Value [Line Items]    
Derivatives, included in assets $ 294 $ 554
Derivatives, included in liabilities 221 753
Other Assets [Member] | Interest Rate Cap [Member] | Purchase    
Derivatives Fair Value [Line Items]    
Derivatives, included in assets 219 554
Other Assets [Member] | Interest Rate Cap [Member] | Written    
Derivatives Fair Value [Line Items]    
Derivatives, included in assets 0 0
Other Assets [Member] | Forward Contracts [Member]    
Derivatives Fair Value [Line Items]    
Derivatives, included in assets 75 0
Other Liabilities [Member] | Interest Rate Cap [Member] | Purchase    
Derivatives Fair Value [Line Items]    
Derivatives, included in liabilities 0 0
Other Liabilities [Member] | Interest Rate Cap [Member] | Written    
Derivatives Fair Value [Line Items]    
Derivatives, included in liabilities 219 552
Other Liabilities [Member] | Forward Contracts [Member]    
Derivatives Fair Value [Line Items]    
Derivatives, included in liabilities $ 2 $ 201