Note 26: Condensed Parent Company Statements: Schedule of Parent Company Condensed Statements of Income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Total interest expense	$ 28,377	$ 35,146	$ 47,850
Statements of Income | Parent Company
Income before income tax and equity in undistributed earnings of subsidiaries	10,380	10,262	10,321
Income Tax Credits and Adjustments	(401)	(510)	(502)
Income before equity in earnings of subsidiaries	10,781	10,772	10,823
Equity in undistributed earnings of subsidiaries	37,925	19,497	13,042
Net income parent company	48,706	30,269	23,865
Statements of Income | Parent Company | Income
Dividends from subsidiary bank	12,000	12,000	12,000
Other Interest and Dividend Income	33	27	16
Net realized gains on sales of available for sale securities	280		15
Other income (loss)	(19)		(11)
Total income	12,294	12,027	12,020
Statements of Income | Parent Company | Expense
Operating Expenses	1,297	1,196	1,121
Total interest expense	617	569	578
Total expense	$ 1,914	$ 1,765	$ 1,699