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, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Statements of Comprehensive Income
Net income	$ 8,439	$ 7,104	$ 25,056	$ 36,257
Unrealized appreciation (depreciation) on available-for-sale securities, net of taxes (credit) of $(6,863) and $4,102, for 2013 and 2012, respectively	(5,221)	3,062	(12,745)	7,620
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 $(20) and ($20), for 2013 and 2012, respectively		(31)	(37)	(37)
Other-than-temporary impairment loss recognized in earnings on available for sale securities, net of taxes (credit) of $0 and $(92), for 2013 and 2012, respectively				(170)
Reclassification adjustment for gains included in net income, net of taxes of $(84) and $(624), for 2013 and 2012, respectively	(72)	(330)	(157)	(1,162)
Change in fair value of cash flow hedge, net of taxes (credit) of $(24) and $0, for 2013 and 2012, respectively	(45)		(45)
Comprehensive Income	$ 3,101	$ 9,805	$ 12,072	$ 42,508