Note 6: Loans Held For Investment: Mortgage Loan Policy (Details) (USD $)	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Jun. 30, 2012
Mortgage Loans Subject to Negative Amortization	$ 36,900,000		$ 40,200,000
Multi-Family Mortgage Loans Subject to Negative Amortization	25,800,000		26,700,000
Commercial Real Estate Mortgage Loans Subject to Negative Amortization	5,300,000		7,000,000
Single-Family Mortgage Loans Subject to Negative Amortization	5,800,000		6,500,000
Loan Interest Income Added to Negative Amortization Loan Balance	0	13,000
Loan Principal Balance Percentage Increase Range from Original Loan Amount Due to Negative Amortization	110% to 115%
Interest Only ARM Loans	$ 206,500,000		$ 214,200,000
Interest Only ARM Loans as Percent of Loans Held for Investment	25.90%		26.20%