Loans Held For Investment Loans Held For Investment: Schedule of Total Recorded Investment in Non-Performing Loans by Type (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired Financing Receivable, Related Allowance	$ (255)	$ (340)
Impaired Financing Receivable, Unpaid Principal Balance	9,153	9,221
Impaired Financing Receivable, Related Charge-Offs	(913)	(886)
Impaired Financing Receivable, Recorded Investment	8,240	8,335
Impaired Financing Receivable, Recorded Investment, Net of Allowance	7,985	7,995
Mortgage loans, Single-family
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	1,126	1,821
Impaired Financing Receivable, with Related Allowance, Related Charge-Offs	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	1,126	1,821
Impaired Financing Receivable, Related Allowance	(240)	(325)
Impaired Financing Receivable, Recorded Investment, with Related Allowance, Net	886	1,496
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	7,951	7,119
Impaired Financing Receivable, with No Related Allowance, Related Charge-Offs	(913)	(886)
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	7,038	6,233
Impaired Financing Receivable, Recorded Investment, with No Related Allowance, Net	7,038	6,233
Impaired Financing Receivable, Unpaid Principal Balance	9,077	8,940
Impaired Financing Receivable, Related Charge-Offs	(913)	(886)
Impaired Financing Receivable, Recorded Investment	8,164	8,054
Impaired Financing Receivable, Recorded Investment, Net of Allowance	7,924	7,729
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired Financing Receivable, Related Allowance		0
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance		201
Impaired Financing Receivable, with No Related Allowance, Related Charge-Offs		0
Impaired Financing Receivable, with No Related Allowance, Recorded Investment		201
Impaired Financing Receivable, Recorded Investment, with No Related Allowance, Net		201
Impaired Financing Receivable, Unpaid Principal Balance		201
Impaired Financing Receivable, Related Charge-Offs		0
Impaired Financing Receivable, Recorded Investment		201
Impaired Financing Receivable, Recorded Investment, Net of Allowance		201
Commercial Business Loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	76	80
Impaired Financing Receivable, with Related Allowance, Related Charge-Offs	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	76	80
Impaired Financing Receivable, Related Allowance	(15)	(15)
Impaired Financing Receivable, Recorded Investment, with Related Allowance, Net	61	65
Impaired Financing Receivable, Unpaid Principal Balance	76	80
Impaired Financing Receivable, Related Charge-Offs	0	0
Impaired Financing Receivable, Recorded Investment	76	80
Impaired Financing Receivable, Recorded Investment, Net of Allowance	$ 61	$ 65