Loans Held For Investment: Schedule of Allowance for Loan Losses Additional Detail (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Allowance for Loan and Lease Losses [Roll Forward]
Allowance at beginning of period	$ 9,034	$ 8,888	$ 8,724	$ 9,744
Recovery from the allowance for loan losses	(362)	(354)	(400)	(1,172)
Recoveries	216	257	642	438
Charge-offs	(120)	(98)	(198)	(317)
Net charge-offs	96	159	444	121
Balance at end of period	$ 8,768	$ 8,693	$ 8,768	$ 8,693
Allowance for loan losses as a percentage of gross loans held for investment	1.07%	1.08%	1.07%	1.08%
Net recoveries as a percentage of average loans receivable, net, during the period (annualized)	(0.04%)	(0.07%)	(0.09%)	(0.03%)
Allowance for loan losses as a percentage of gross non-performing loans at the end of the period	67.35%	73.88%	67.35%	73.88%
Mortgage loans, Single-family
Allowance for Loan and Lease Losses [Roll Forward]
Recoveries	$ 158	$ 164	$ 227	$ 273
Charge-offs	(118)	(98)	(196)	(317)
Mortgage loans, Multi-family
Allowance for Loan and Lease Losses [Roll Forward]
Recoveries	58	93	114	164
Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Recoveries	0	0	216	0
Commercial Business Loans
Allowance for Loan and Lease Losses [Roll Forward]
Recoveries	0	0	85	0
Consumer Loans
Allowance for Loan and Lease Losses [Roll Forward]
Recoveries	0	0	0	1
Charge-offs	$ (2)	$ 0	$ (2)	$ 0

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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 of increase (decrease) of allowance reserve for credit loss.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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-Publisher SEC
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-Number 210
-Section 03
-Paragraph 7
-Subparagraph d
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Publisher SEC
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Amount of expense related to estimated loss from loan and lease transactions.

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