Note 26: Condensed Parent Company Statements: Condensed Balance Sheet -- Great Southern Bancorp, Inc. (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Cash	$ 99,299	$ 110,108
Prepaid expenses and other assets	74,984	55,336
Total assets	5,015,072	4,676,200
Subordinated notes	74,276	73,842
Subordinated Debt	75,000	75,000
Additional paid-in capital	33,510	30,121
Retained earnings	537,167	492,087
Parent Company
Cash	58,726	56,648
Investment in subsidiary bank	650,329	580,016
Deferred and accrued income taxes	111	411
Prepaid expenses and other assets	868	889
Total assets	710,034	637,964
Accounts Payable and Accrued Liabilities, Fair Value Disclosure	6,918	6,371
Subordinated notes	25,774	25,774
Subordinated Debt	74,276	73,842
Common Stock Value Parent	143	142
Additional paid-in capital	33,510	30,121
Retained earnings	537,167	492,087
Unrealized gain on available-for-sale securities, parent net	32,246	9,627
Total Assets and Liabilities	$ 710,034	$ 637,964