Loans Held For Investment: (Narrative) (Details 1)	12 Months Ended
Jun. 30, 2019 USD ($) Loan	Jun. 30, 2018 USD ($) Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average investment in non-performing loans	$ 6,600,000	$ 7,700,000
Interest Payments Received From Non Performing Loans	574,000	564,000
Interest income, non-performing loans, cash basis	$ 408,000	$ 272,000
Number of modified loans \| Loan	0	2
Number of loans previously modified downgraded \| Loan	3	2
Number of loans modified, extended beyond initial maturity \| Loan	1	0
Loans receivable, modified and extended beyond initial maturity	$ 56,000
Net outstanding balance of restructured loans \| Loan	8	11
Restructured loans	$ 3,793,000	$ 5,180,000
Loans receivable, restructured loans, nonaccrual status	1,861,000	1,788,000
Loans receivable, restructured loans, accrual status	$ 1,932,000	$ 3,392,000
Percent of total restructured loans on current status	63.00%	56.00%
Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of modified loans \| Loan	0	1
Mortgage loans, Single-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, restructured loans, nonaccrual status	$ 1,861,000	$ 1,788,000
Loans receivable, restructured loans, accrual status	1,891,000	3,328,000
Collected and Applied to Principal Balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount applied to reduce the loan balances	$ 166,000	$ 292,000
Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of modified loans \| Loan	3	2
Special Mention \| Restructured loans on accrual status
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net outstanding balance of restructured loans \| Loan	1	1
Restructured loans	$ 437,000
Loans receivable, restructured loans, accrual status		$ 389,000
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net outstanding balance of restructured loans \| Loan	6	9
Restructured loans	$ 1,900,000
Loans receivable, restructured loans, nonaccrual status		$ 3,400,000
Substandard \| Restructured loans on accrual status
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net outstanding balance of restructured loans \| Loan	1	1
Restructured loans	$ 1,400,000
Loans receivable, restructured loans, accrual status		$ 1,400,000
Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Restructured loans	$ 2,400,000	$ 56,000,000

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

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Financing Receivable, Modifications, Recorded Investment, Extending Beyond Initial Maturity

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Financing Receivable, Recorded Investment, Accrual Status

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Represents amount of received interest payments from non-performing loans.

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Represents number of Number of Loans previously modified downgraded.

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Represents number of outstanding of restructured loans.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 310
-SubTopic 10
-Section 50
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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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