GREAT SOUTHERN BANCORP, INC. AND SUBSIDIARIES -- CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parentheticals) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statements of Comprehensive Income
Tax effect of unrealized appreciation (depreciation) on available-for-sale securities, taxes (credit)	$ 127	$ (2,812)	$ 2,805	$ (6,863)
Tax effect 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, taxes (credit)			0	(20)
Tax effect reclassification adjustment for gains included in net income, taxes (credit)	(112)	(38)	(337)	(84)
Tax effect of change in fair value of cash flow hedge, taxes (credit)	$ (29)	$ (24)	$ (67)	$ (24)