Note 27: Condensed Parent Company Statements: Schedule of Parent Company Condensed Statements of Income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Total interest expense	$ 15,801	$ 19,203	$ 28,377
Statements of Income | Parent Company
Income before income tax and equity in undistributed earnings of subsidiaries	34,237	22,341	10,380
Income Tax Credits and Adjustments	(388)	(365)	(401)
Income before equity in earnings of subsidiaries	34,625	22,706	10,781
Equity in undistributed earnings of subsidiaries	8,904	11,023	37,925
Net income parent company	43,529	33,729	48,706
Statements of Income | Parent Company | Income
Dividends from subsidiary bank	36,000	24,000	12,000
Other Interest and Dividend Income	22	20	33
Net realized gains on sales of available for sale securities			280
Other income (loss)	(20)	13	(19)
Total income	36,002	24,033	12,294
Statements of Income | Parent Company | Expense
Operating Expenses	1,198	1,132	1,297
Total interest expense	567	560	617
Total expense	$ 1,765	$ 1,692	$ 1,914