Note 27: Condensed Parent Company Statements: Condensed Balance Sheet -- Great Southern Bancorp, Inc. (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Cash	$ 115,198	$ 109,052
Available-for-sale securities	262,856	365,506
Total assets	4,104,189	3,951,334
Additional paid-in capital	24,371	22,345
Retained earnings	368,053	332,283
Statements of Financial Condition | Parent Company | Assets
Cash	20,009	64,836
Available-for-sale securities	3,830	3,154
Investment in subsidiary bank	403,174	385,046
Prepaid expenses and other assets	1,335	1,466
Total assets	428,348	454,502
Statements of Financial Condition | Parent Company | Liabilities and Stockholders Equity
Accounts Payable and Other Accrued Liabilities	3,403	3,126
Deferred Tax Liabilities, Gross	944	702
Subordinated Debt	25,774	30,929
Preferred Stock Value Parent		57,943
Common Stock Value Parent	139	138
Additional paid-in capital	24,371	22,345
Retained earnings	368,053	332,283
Unrealized gain on available-for-sale securities, parent net	5,664	7,036
Total Assets and Liabilities	$ 428,348	$ 454,502