Loans Held For Investment Loans Held For Investment: Schedule of Allowance For Loan Losses and Recorded Investment in Gross Loans, by Portfolio Type (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance at beginning of period	$ 7,385	$ 8,039
Recovery from the allowance for loan losses	(475)	(536)
Recoveries	200	278
Allowance for Loan and Lease Losses Write-offs, Net	(34)	(396)
Allowance for loan losses, end of period	7,076	7,385
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			$ 130	$ 157
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment			6,946	7,228
Allowance for loan losses, end of period	$ 7,385	$ 8,039	7,076	7,385
Financing Receivable, Individually Evaluated for Impairment			6,219	7,142
Financing Receivable, Collectively Evaluated for Impairment			875,119	897,350
Loans Held For Investment, Gross			881,338	904,492
Allowance for loan losses as a percentage of gross loans held for investment	0.80%	0.81%
Mortgage loans, Single-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance at beginning of period	$ 2,783	$ 3,601
Recovery from the allowance for loan losses	(241)	(704)
Recoveries	198	278
Allowance for Loan and Lease Losses Write-offs, Net	(31)	(392)
Allowance for loan losses, end of period	2,709	2,783
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			122	151
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment			2,587	2,632
Allowance for loan losses, end of period	$ 2,783	$ 2,783	2,709	2,783
Financing Receivable, Individually Evaluated for Impairment			5,199	7,072
Financing Receivable, Collectively Evaluated for Impairment			319,753	307,736
Loans Held For Investment, Gross			324,952	314,808
Allowance for loan losses as a percentage of gross loans held for investment	0.83%	0.88%
Mortgage loans, Multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance at beginning of period	$ 3,492	$ 3,420
Recovery from the allowance for loan losses	(273)	72
Recoveries	0	0
Allowance for Loan and Lease Losses Write-offs, Net	0	0
Allowance for loan losses, end of period	3,219	3,492
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment			3,219	3,492
Allowance for loan losses, end of period	$ 3,492	$ 3,492	3,219	3,492
Financing Receivable, Individually Evaluated for Impairment			0	0
Financing Receivable, Collectively Evaluated for Impairment			439,041	476,008
Loans Held For Investment, Gross			439,041	476,008
Allowance for loan losses as a percentage of gross loans held for investment	0.73%	0.73%
Mortgage loans, Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance at beginning of period	$ 1,030	$ 879
Recovery from the allowance for loan losses	20	151
Recoveries	0	0
Allowance for Loan and Lease Losses Write-offs, Net	0	0
Allowance for loan losses, end of period	1,050	1,030
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment			1,050	1,030
Allowance for loan losses, end of period	$ 1,030	$ 1,030	1,050	1,030
Financing Receivable, Individually Evaluated for Impairment			0	0
Financing Receivable, Collectively Evaluated for Impairment			111,928	109,726
Loans Held For Investment, Gross			111,928	109,726
Allowance for loan losses as a percentage of gross loans held for investment	0.94%	0.94%
Construction
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance at beginning of period	$ 47	$ 96
Recovery from the allowance for loan losses	14	(49)
Recoveries	0	0
Allowance for Loan and Lease Losses Write-offs, Net	0	0
Allowance for loan losses, end of period	61	47
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment			61	47
Allowance for loan losses, end of period	$ 47	$ 47	61	47
Financing Receivable, Individually Evaluated for Impairment			971	0
Financing Receivable, Collectively Evaluated for Impairment			3,667	3,174
Loans Held For Investment, Gross			4,638	3,174
Allowance for loan losses as a percentage of gross loans held for investment	1.32%	1.48%
Other
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance at beginning of period	$ 3	$ 0
Recovery from the allowance for loan losses	0	3
Recoveries	0	0
Allowance for Loan and Lease Losses Write-offs, Net	0	0
Allowance for loan losses, end of period	3	3
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment			3	3
Allowance for loan losses, end of period	$ 3	$ 3	3	3
Financing Receivable, Individually Evaluated for Impairment			0	0
Financing Receivable, Collectively Evaluated for Impairment			167	167
Loans Held For Investment, Gross			167	167
Allowance for loan losses as a percentage of gross loans held for investment	1.80%	1.80%
Commercial business loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance at beginning of period	$ 24	$ 36
Recovery from the allowance for loan losses	0	(12)
Recoveries	2	0
Allowance for Loan and Lease Losses Write-offs, Net	0	0
Allowance for loan losses, end of period	26	24
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			8	6
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment			18	18
Allowance for loan losses, end of period	$ 24	$ 24	26	24
Financing Receivable, Individually Evaluated for Impairment			49	70
Financing Receivable, Collectively Evaluated for Impairment			429	430
Loans Held For Investment, Gross			478	500
Allowance for loan losses as a percentage of gross loans held for investment	5.44%	4.80%
Consumer loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance at beginning of period	$ 6	$ 7
Recovery from the allowance for loan losses	5	3
Recoveries	0	0
Allowance for Loan and Lease Losses Write-offs, Net	(3)	(4)
Allowance for loan losses, end of period	8	6
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment			0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment			8	6
Allowance for loan losses, end of period	$ 6	$ 6	8	6
Financing Receivable, Individually Evaluated for Impairment			0	0
Financing Receivable, Collectively Evaluated for Impairment			134	109
Loans Held For Investment, Gross			$ 134	$ 109
Allowance for loan losses as a percentage of gross loans held for investment	5.97%	5.50%

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Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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Amount, after recoveries, of loans and leases that have been written-off.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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