Note 8: Deposits: Schedule of Interest Expense on Deposits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest Expense, Demand Deposit Accounts	$ 7,087	$ 7,976	$ 8,468
Interest Expense, Time Deposits	13,715	18,467	30,065
Interest Expense Domestic Deposit Liabilities, Withdrawal Penalties	(82)	(73)	(106)
Interest Expense, Customer Deposits	$ 20,720	$ 26,370	$ 38,427