GREAT SOUTHERN BANCORP, INC. AND SUBSIDIARIES -- CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Comprehensive Net Income	$ 7,104	$ 6,453	$ 36,257	$ 18,238
Unrealized appreciation on available-for-sale securities, net of taxes of $1,648 and $1,671, for the three months ended September 30, 2012 and 2011, respectively; and $4,102 and $3,988, for the nine months ended September 30, 2012 and 2011, respectively	3,062	3,103	7,620	7,406
Non-credit component of unrealized gain (loss) on available-for-sale debt securities for which a portion of an other-than-temporary impairment has been recognized, net of taxes (credit) of $(17) and $51, for the three months ended September 30, 2012 and 2011, respectively; and $(20) and $298, for the nine months ended September 30, 2012 and 2011, respectively	(31)	96	(37)	554
Other-than-temporary impairment loss recognized in earnings on available for sale securities, net of taxes (credit) of $0 , for the three months ended September 30, 2012 and 2011; and $(92) and $(140), for the nine months ended September 30, 2012 and 2011, respectively			(170)	(260)
Less: reclassification adjustment for gains included in net income, net of taxes of $177 and $169 for the three months ended September 30, 2012 and 2011, respectively; and $624 and $169 for the nine months ended September 30, 2012 and 2011, respectively	(330)	(314)	(1,162)	(314)
Consolidated Comprehensive Income	$ 9,805	$ 9,338	$ 42,508	$ 25,624