XML 139 R128.htm IDEA: XBRL DOCUMENT v3.10.0.1
ADVANCES FROM THE FEDERAL HOME LOAN BANK (FHLB) - Summary of Advances from FHLB (Parenthetical) (Detail)
Sep. 30, 2018
Dec. 31, 2017
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 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 1.92% 1.91%
Federal Home Loan Bank, Advance, Branch of FHLB Bank, Interest Rate, Type [Fixed List] Fixed Fixed