Loans Held For Investment (Detail Textuals 1) $ in Thousands	3 Months Ended	12 Months Ended
Sep. 30, 2018 USD ($) loan	Sep. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average investment in non-performing loans	$ 6,986	$ 7,922
Interest income, non-performing loans, cash basis	65	160
Interest lost on non-performing Loans	$ 56	$ 94
Number of modified loans \| loan	10		11
Number of loans modified, extended beyond initial maturity \| loan	0
Restructured loans	$ 4,769		$ 5,180
Restructured loans on accrual status	1,425		1,788
Restructured loans on non-accrual status	3,344		3,392
Mortgage loans, Single-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Restructured loans on accrual status	1,425		1,788
Restructured loans on non-accrual status	$ 3,280		$ 3,328
In Default and Required and Additional Provision
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loans modified and require additional provision \| loan	0
Special Mention \| Restructured loans on accrual status
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of modified loans \| loan			1
Restructured loans on accrual status			$ 389
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of modified loans \| loan	9		9
Restructured loans on non-accrual status	$ 3,400		$ 3,400
Substandard \| Restructured loans on accrual status
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of modified loans \| loan	1		1
Restructured loans on accrual status	$ 1,400		$ 1,400
Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Restructured loans	$ 3,100		$ 2,900
Percent of total restructured loans on current status	66.00%		56.00%

Financing Receivable, Modifications, Number of Contracts, Extending Beyond Initial Maturity

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Financing Receivable, Recorded Investment, Accrual Status

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Number of financing receivables that have been modified by troubled debt restructurings.

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The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

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Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

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