Loans Held For Investment: Schedule of Restructured Loans by Type, Net of Individually Evaluated Allowances (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Financing Receivable, Impaired [Line Items]
Restructured Loans, Allowance for Loan Losses	$ (15)	$ (112)
Restructured Loans, Unpaid Principal Balance	4,990	4,183
Restructured Loans, Related Charge-offs	(536)	(439)
Restructured Loans, Recorded Investment	4,454	3,744
Restructured Loans, Recorded Investment, Net of Allowance	4,439	3,632
Mortgage loans, Single-family
Financing Receivable, Impaired [Line Items]
Restructured Loans, With Related Allowance, Unpaid Principal Balance		485
Restructured Loans, With Related Allowance, Related Charge-offs		0
Restructured Loans, With a Related Allowance, Recorded Investment		485
Restructured Loans, Allowance for Loan Losses	0	(97)
Restructured Loans, Recorded Investment, With Related Allowance, Net		388
Restructured Loans, Without a Related Allowance, Unpaid Principal Balance	4,914	3,618
Restructured Loans, Without a Related Allowance, Related Charge-offs	(536)	(439)
Restructured Loans, Without a Related Allowance, Recorded Investment	4,378	3,179
Restructured Loans, Without a Related Allowance, Net Investment	4,378	3,179
Restructured Loans, Unpaid Principal Balance	4,914	4,103
Restructured Loans, Related Charge-offs	(536)	(439)
Restructured Loans, Recorded Investment	4,378	3,664
Restructured Loans, Recorded Investment, Net of Allowance	4,378	3,567
Commercial Business Loans
Financing Receivable, Impaired [Line Items]
Restructured Loans, With Related Allowance, Unpaid Principal Balance	76	80
Restructured Loans, With Related Allowance, Related Charge-offs	0	0
Restructured Loans, With a Related Allowance, Recorded Investment	76	80
Restructured Loans, Allowance for Loan Losses	(15)	(15)
Restructured Loans, Recorded Investment, With Related Allowance, Net	61	65
Restructured Loans, Unpaid Principal Balance	76	80
Restructured Loans, Related Charge-offs	0	0
Restructured Loans, Recorded Investment	76	80
Restructured Loans, Recorded Investment, Net of Allowance	$ 61	$ 65