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LOANS AND ALLOWANCE FOR LOAN LOSSES (Recorded Investment In Nonperforming Loans By Class Of Loans) (Detail) - USD ($)
$ in Thousands
Sep. 30, 2018
Sep. 30, 2017
Financing Receivable, Recorded Investment [Line Items]    
Nonaccrual Loans $ 4,182 $ 3,823
Loans 90+ Days Past Due Still Accruing 91 93
Total Nonperforming Loans 4,273 3,916
Residential real estate [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Nonaccrual Loans 2,711 2,358
Loans 90+ Days Past Due Still Accruing 91 83
Total Nonperforming Loans 2,802 2,441
Commercial real estate [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Nonaccrual Loans 1,284 1,253
Loans 90+ Days Past Due Still Accruing 0 0
Total Nonperforming Loans 1,284 1,253
Multifamily [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Nonaccrual Loans 0 0
Loans 90+ Days Past Due Still Accruing 0 0
Total Nonperforming Loans 0 0
Construction [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Nonaccrual Loans 0 0
Loans 90+ Days Past Due Still Accruing 0 0
Total Nonperforming Loans 0 0
Land and land development [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Nonaccrual Loans 27 30
Loans 90+ Days Past Due Still Accruing 0 0
Total Nonperforming Loans 27 30
Commercial business [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Nonaccrual Loans 0 81
Loans 90+ Days Past Due Still Accruing 0 0
Total Nonperforming Loans 0 81
Consumer [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Nonaccrual Loans 160 101
Loans 90+ Days Past Due Still Accruing 0 10
Total Nonperforming Loans $ 160 $ 111