GREAT SOUTHERN BANCORP, INC. AND SUBSIDIARIES -- CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Statements of Comprehensive Income
Tax effect of unrealized appreciation (depreciation) on available-for-sale securities, taxes (credit)	$ (31)	$ 439	$ 207	$ 475
Tax effect reclassification adjustment for gains included in net income, taxes	0	(993)	0	(994)
Tax effect of change in fair value of cash flow hedge, taxes (credit)	$ 26	$ 8	$ 55	$ (9)