XML 53 R43.htm IDEA: XBRL DOCUMENT v3.8.0.1
Loans Receivable and Allowance for Loan Losses - Loans Individually Evaluated for Impairment (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Sep. 30, 2017
Financing Receivable, Impaired [Line Items]    
With no allowance recorded: Recorded investment $ 14,611 $ 18,263
With no allowance recorded: Unpaid principal balance 17,253 20,985
With a specific allowance recorded: Recorded investment 7,580 7,652
With a specific allowance recorded: Unpaid principal balance 8,167 8,239
Recorded investment 22,191 25,915
Unpaid principal balance 25,420 29,224
Specific allowance 546 540
Real estate loans | One to four family    
Financing Receivable, Impaired [Line Items]    
With no allowance recorded: Recorded investment 8,870 9,272
With no allowance recorded: Unpaid principal balance 9,704 10,156
With a specific allowance recorded: Recorded investment 2,774 2,975
With a specific allowance recorded: Unpaid principal balance 2,788 2,989
Recorded investment 11,644 12,247
Unpaid principal balance 12,492 13,145
Specific allowance 423 407
Real estate loans | Multifamily and commercial    
Financing Receivable, Impaired [Line Items]    
With no allowance recorded: Recorded investment 2,058 4,701
With no allowance recorded: Unpaid principal balance 2,933 5,577
With a specific allowance recorded: Recorded investment 1,635 1,642
With a specific allowance recorded: Unpaid principal balance 2,208 2,215
Recorded investment 3,693 6,343
Unpaid principal balance 5,141 7,792
Specific allowance 28 35
Commercial business loans    
Financing Receivable, Impaired [Line Items]    
With no allowance recorded: Recorded investment 1,522 1,545
With no allowance recorded: Unpaid principal balance 2,015 2,038
With a specific allowance recorded: Recorded investment 2,741 2,782
With a specific allowance recorded: Unpaid principal balance 2,741 2,782
Recorded investment 4,263 4,327
Unpaid principal balance 4,756 4,820
Specific allowance 80 84
Consumer loans | Home equity loans and advances    
Financing Receivable, Impaired [Line Items]    
With no allowance recorded: Recorded investment 2,161 2,745
With no allowance recorded: Unpaid principal balance 2,601 3,214
With a specific allowance recorded: Recorded investment 430 253
With a specific allowance recorded: Unpaid principal balance 430 253
Recorded investment 2,591 2,998
Unpaid principal balance 3,031 3,467
Specific allowance $ 15 $ 14