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, 2018	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses on Loans held for investment	$ 7,385	$ 8,039	$ 8,670	$ 8,724
Recovery from the allowance for loan losses	536	1,042	1,715
Recoveries	278	613	2,069
Allowance for Loan and Lease Losses Write-offs, Net	396	202
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	157	101
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	7,228	7,938
Financing Receivable, Individually Evaluated for Impairment	7,142	7,214
Financing Receivable, Collectively Evaluated for Impairment	901,652	909,218
Loans Held For Investment, Gross	$ 908,794	$ 916,432
Allowance for loan losses as a percentage of gross loans held for investment	0.81%	0.88%
Mortgage loans, Single-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses on Loans held for investment	$ 2,783	$ 3,601	4,933
Recovery from the allowance for loan losses	704	1,640
Recoveries	278	507
Allowance for Loan and Lease Losses Write-offs, Net	392	199
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	151	86
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,632	3,515
Financing Receivable, Individually Evaluated for Impairment	7,072	6,933
Financing Receivable, Collectively Evaluated for Impairment	307,736	315,264
Loans Held For Investment, Gross	$ 314,808	$ 322,197
Allowance for loan losses as a percentage of gross loans held for investment	0.88%	1.12%
Mortgage loans, Multi-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses on Loans held for investment	$ 3,492	$ 3,420	2,800
Recovery from the allowance for loan losses	(72)	(602)
Recoveries	0	18
Allowance for Loan and Lease Losses Write-offs, Net	0	0
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,492	3,420
Financing Receivable, Individually Evaluated for Impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	476,008	479,959
Loans Held For Investment, Gross	$ 476,008	$ 479,959
Allowance for loan losses as a percentage of gross loans held for investment	0.73%	0.71%
Mortgage loans, Commercial real estate
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses on Loans held for investment	$ 1,030	$ 879	848
Recovery from the allowance for loan losses	(151)	(31)
Recoveries	0	0
Allowance for Loan and Lease Losses Write-offs, Net	0	0
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,030	879
Financing Receivable, Individually Evaluated for Impairment	0	201
Financing Receivable, Collectively Evaluated for Impairment	109,726	97,361
Loans Held For Investment, Gross	$ 109,726	$ 97,562
Allowance for loan losses as a percentage of gross loans held for investment	0.94%	0.90%
Construction Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses on Loans held for investment	$ 47	$ 96	31
Recovery from the allowance for loan losses	49	(65)
Recoveries	0	0
Allowance for Loan and Lease Losses Write-offs, Net	0	0
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	47	96
Financing Receivable, Individually Evaluated for Impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	7,476	16,009
Loans Held For Investment, Gross	$ 7,476	$ 16,009
Allowance for loan losses as a percentage of gross loans held for investment	0.63%	0.60%
Mortgage Loans, Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses on Loans held for investment	$ 3	$ 0	7
Recovery from the allowance for loan losses	3	(7)
Recoveries	0	0
Allowance for Loan and Lease Losses Write-offs, Net	0	0
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	167	0
Loans Held For Investment, Gross	$ 167	$ 0
Allowance for loan losses as a percentage of gross loans held for investment	1.80%	0.00%
Commercial Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses on Loans held for investment	$ 24	$ 36	43
Recovery from the allowance for loan losses	12	82
Recoveries	0	75
Allowance for Loan and Lease Losses Write-offs, Net	0	0
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	6	15
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	18	21
Financing Receivable, Individually Evaluated for Impairment	70	80
Financing Receivable, Collectively Evaluated for Impairment	430	496
Loans Held For Investment, Gross	$ 500	$ 576
Allowance for loan losses as a percentage of gross loans held for investment	4.80%	6.25%
Consumer Loan [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses on Loans held for investment	$ 6	$ 7	$ 8
Recovery from the allowance for loan losses	(3)	11
Recoveries	0	13
Allowance for Loan and Lease Losses Write-offs, Net	4	3
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	6	7
Financing Receivable, Individually Evaluated for Impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	109	129
Loans Held For Investment, Gross	$ 109	$ 129
Allowance for loan losses as a percentage of gross loans held for investment	5.50%	5.43%

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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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