Loans Held For Investment: Schedule of Allowance for Loan Losses Additional Detail (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2017	Sep. 30, 2016
Allowance for Loan and Lease Losses [Roll Forward]
Allowance at beginning of period	$ 8,039	$ 8,670
Provision (recovery) for loan losses	169	(150)
Recoveries	84	271
Charge-offs	(229)	(66)
Net charge-offs	(145)	205
Balance at end of period	$ 8,063	$ 8,725
Allowance for loan losses as a percentage of gross loans held for investment at the end of the period	0.88%	1.01%
Net charge-offs (recoveries) as a percentage of average loans receivable, net, during the period (annualized)	0.06%	(0.08%)
Mortgage loans, Single-family
Allowance for Loan and Lease Losses [Roll Forward]
Recoveries	$ 84	$ 263
Charge-offs	(229)	(66)
Mortgage loans, Multi-family
Allowance for Loan and Lease Losses [Roll Forward]
Recoveries	0	7
Consumer Loans
Allowance for Loan and Lease Losses [Roll Forward]
Recoveries	$ 0	$ 1

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- Definition

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

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
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- Definition

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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- Definition

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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Amount of expense related to estimated loss from loan and lease transactions.

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