Note 6: Investment Securities: Schedule of Amounts Reclassified Out of Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reclassifications out of accumulated other comprehensive income	$ 72	$ 330	$ 157	$ 1,162
Amounts Reclassified From Other Comprehensive Income | Net realized gains on sales of available-for-sale securities (Total reclassified amount before tax)
Available-for-sale Securities, Gross Unrealized Gain (Loss)	110	507	241	1,787
Amounts Reclassified From Other Comprehensive Income | Provision for income taxes
Available-for-sale Securities, Gross Unrealized Gain (Loss)	$ (38)	$ (177)	$ (84)	$ (625)