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GREAT SOUTHERN BANCORP, INC. AND SUBSIDIARIES -- CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parentheticals) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2013 | Mar. 31, 2012
Statements of Comprehensive Income |  |
Tax effect of unrealized appreciation (depreciation) on available-for-sale securities, taxes (credit) | $ (72) | $ 939
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) | (21) | (34)
Tax effect reclassification adjustment for gains included in net income, taxes (credit) | $ (22) | $ (18)

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