Note 9: Fair Value of Financial Instruments: Schedule of Aggregate Fair Value and Aggregate Unpaid Principal Balance of Loans Held for Sale (Details) (Loans held for sale measured at fair value, USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012
Loans held for sale measured at fair value
Loans Held for Sale Aggregate Fair Value	$ 307,319	$ 231,639
Loans Held for Sale Aggregate Unpaid Principal Balance	290,728	220,849
Loans Held for Sale Net Unrealized Gain	$ 16,591	$ 10,790