Great Southern Bancorp, Inc. - Consolidated Statements of Financial Condition (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Statements of Financial Condition
Allowance for loan losses	$ 37,400	$ 38,149
Serial preferred stock
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized shares	1,000,000	1,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	20,000,000	20,000,000
Common stock, issued shares	13,968,386	13,887,932
Common stock, outstanding shares	13,968,386	13,887,932
Income tax expense on change in unrealized holding gain on available-for-sale securities	$ 887	$ 3,227