Note 14: Income Taxes: Schedule of Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Deferred Tax Assets Allowance for Loan Losses	$ 14,227	$ 14,431
Deferred Tax Assets Interest on Nonperforming Loans	549	439
Deferred Tax Assets Accrued Expenses	611	1,005
Deferred Tax Assets Excess of Cost Over Fair Value of Net Assets Acquired		155
Deferred Tax Assets Realized Impairment on Available for Sale Securities	1,247	2,088
Deferred Tax Assets Write-down of Foreclosed Assets	4,119	5,661
Deferred Tax Assets, Net of Valuation Allowance, Current	20,753	23,779
Deferred Tax Liabilities Tax Depreciation in Excess of Book Depreciation	(3,717)	(1,292)
Deferred Tax Liabilities Federal Home Loan Bank Stock Dividends	(2,091)	(2,005)
Deferred Tax Liabilities Partnership Tax Credits	(3,241)	(3,085)
Deferred Tax Liabilities, Prepaid Expenses	(1,134)
Deferred Tax Liabilities, Unrealized Gains on Trading Securities	(8,965)	(6,684)
Deferred Tax Liabilities Difference in Basis for Acquired Assets and Liabilities	(21,619)	(15,235)
Deferred Tax Liabilities, Other	(274)	(233)
Deferred Tax Liabilities, Net, Current	(41,041)	(28,534)
Deferred Tax Assets, Net	$ (20,288)	$ (4,755)