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ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Summary of Advances from FHLB (Parenthetical) (Detail)
Jun. 30, 2019
Federal Home Loan Bank Advances Branch Of F H L B Bank [Line Items]  
Federal Home Loan Bank, Advance, Branch of FHLB Bank, Interest Rate, Type [Fixed List] Fixed
long term debt [member]  
Federal Home Loan Bank Advances Branch Of F H L B Bank [Line Items]  
Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate at Period End 2.07%