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Note 24: Regulatory Matters: Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Total risk-based capital | Great Southern Bancorp, Inc.
Actual Capital Amount	$ 597,177	$ 556,106
Actual Capital Ratio	14.10%	13.60%
Capital Required for Capital Adequacy	$ 339,649	$ 327,610
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Total risk-based capital | Great Southern Bank
Actual Capital Amount	$ 558,668	$ 520,989
Actual Capital Ratio	13.20%	12.70%
Capital Required for Capital Adequacy	$ 339,575	$ 327,505
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Capital Required to be Well Capitalized	$ 424,468	$ 409,382
Capital Required to be Well Capitalized to Risk Weighted Assets	10.00%	10.00%
Tier I risk-based capital | Great Southern Bancorp, Inc.
Actual Capital Amount	$ 485,685	$ 443,706
Actual Capital Ratio	11.40%	10.80%
Capital Required for Capital Adequacy	$ 254,737	$ 245,707
Capital Required for Capital Adequacy to Risk Weighted Assets	6.00%	6.00%
Tier I risk-based capital | Great Southern Bank
Actual Capital Amount	$ 522,176	$ 483,589
Actual Capital Ratio	12.30%	11.80%
Capital Required for Capital Adequacy	$ 254,681	$ 245,629
Capital Required for Capital Adequacy to Risk Weighted Assets	6.00%	6.00%
Capital Required to be Well Capitalized	$ 339,575	$ 327,505
Capital Required to be Well Capitalized to Risk Weighted Assets	8.00%	8.00%
Tier I leverage capital | Great Southern Bancorp, Inc.
Actual Capital Amount	$ 485,685	$ 443,706
Actual Capital Ratio	10.90%	9.90%
Capital Required for Capital Adequacy	$ 177,881	$ 178,693
Capital Required for Capital Adequacy to Risk Weighted Assets	4.00%	4.00%
Tier I leverage capital | Great Southern Bank
Actual Capital Amount	$ 522,176	$ 483,589
Actual Capital Ratio	11.70%	10.80%
Capital Required for Capital Adequacy	$ 177,844	$ 178,643
Capital Required for Capital Adequacy to Risk Weighted Assets	4.00%	4.00%
Capital Required to be Well Capitalized	$ 222,305	$ 223,304
Capital Required to be Well Capitalized to Risk Weighted Assets	5.00%	5.00%
Capital Equity Tier I Capital | Great Southern Bancorp, Inc.
Actual Capital Amount	$ 460,661	$ 418,687
Actual Capital Ratio	10.90%	10.20%
Capital Required for Capital Adequacy	$ 191,053	$ 184,280
Capital Required for Capital Adequacy to Risk Weighted Assets	4.50%	4.50%
Capital Equity Tier I Capital | Great Southern Bank
Actual Capital Amount	$ 522,152	$ 483,569
Actual Capital Ratio	12.30%	11.80%
Capital Required for Capital Adequacy	$ 191,011	$ 184,222
Capital Required for Capital Adequacy to Risk Weighted Assets	4.50%	4.50%
Capital Required to be Well Capitalized	$ 275,904	$ 266,098
Capital Required to be Well Capitalized to Risk Weighted Assets	6.50%	6.50%

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The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1H
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826

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-Name Accounting Standards Codification
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