Fair Value of Financial Instruments: Schedule of Aggregate Fair Value and Aggregate Unpaid Principal Balance of Loans Held for Sale (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Fair Value Disclosures [Abstract]
Loans Held for Investment, at Fair Value	$ 5,157	$ 6,445
Loans held for investment, Aggregate Unpaid Principal Balance	5,362	6,696
Loans held for investment, Net Unrealized Gain	(205)	(251)
Loans held for sale, Aggregate Fair Value	96,589	116,548
Loans held for sale, Aggregate Unpaid Principal Balance	93,449	112,940
Loans held for sale, Net Unrealized Gain	$ 3,140	$ 3,608