Note 5: Earnings Per Share: Schedule of Earnings Per Share Basic and Diluted Table (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Weighted Average Number of Shares Outstanding, Basic	13,550	13,466	13,533	13,462
NET INCOME AVAILABLE TO COMMON SHAREHOLDERS	$ 6,954	$ 4,443	$ 35,817	$ 14,600
BASIC EARNINGS PER COMMON SHARE	$ 0.51	$ 0.33	$ 2.65	$ 1.08
Weighted Average Number of Shares Outstanding, Diluted	13,550	13,466	13,533	13,462
Net effect of dilutive stock options and warrants based on treasury stock method using average market price	119	27	119	33
Diluted shares	13,669	13,493	13,652	13,495
Net Income (Loss) Available to Common Stockholders, Diluted	$ 6,954	$ 4,443	$ 35,817	$ 14,600
DILUTED EARNINGS PER COMMON SHARE	$ 0.51	$ 0.33	$ 2.62	$ 1.08