Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2022

Regulatory Matters

Schedule of company's and the bank's actual capital amounts and ratios

									To Be Well
									Capitalized Under
					For Capital				Prompt Corrective
	Actual				Adequacy Purposes				Action Provisions
	Amount		Ratio		Amount		Ratio		Amount		Ratio
	(Dollars In Thousands)
As of December 31, 2022
Total capital
Great Southern Bancorp, Inc.	$	746,287	13.5	%	$	440,767	8.0	%		N/A	N/A
Great Southern Bank	$	721,616	13.1	%	$	440,683	8.0	%	$	550,854	10.0	%
Tier I capital
Great Southern Bancorp, Inc.	$	607,807	11.0	%	$	330,575	6.0	%		N/A	N/A
Great Southern Bank	$	658,136	11.9	%	$	330,512	6.0	%	$	440,683	8.0	%
Tier I leverage capital
Great Southern Bancorp, Inc.	$	607,807	10.6	%	$	228,673	4.0	%		N/A	N/A
Great Southern Bank	$	658,136	11.5	%	$	228,511	4.0	%	$	285,638	5.0	%
Common equity Tier I capital
Great Southern Bancorp, Inc.	$	582,807	10.6	%	$	247,932	4.5	%		N/A	N/A
Great Southern Bank	$	658,136	11.9	%	$	247,884	4.5	%	$	358,055	6.5	%
As of December 31, 2021
Total capital
Great Southern Bancorp, Inc.	$	745,641	16.3	%	$	365,120	8.0	%		N/A	N/A
Great Southern Bank	$	701,215	15.4	%	$	365,048	8.0	%	$	456,310	10.0	%
Tier I capital
Great Southern Bancorp, Inc.	$	613,544	13.4	%	$	273,840	6.0	%		N/A	N/A
Great Southern Bank	$	644,134	14.1	%	$	273,786	6.0	%	$	365,048	8.0	%
Tier I leverage capital
Great Southern Bancorp, Inc.	$	613,544	11.3	%	$	217,264	4.0	%		N/A	N/A
Great Southern Bank	$	644,134	11.9	%	$	217,209	4.0	%	$	271,511	5.0	%
Common equity Tier I capital
Great Southern Bancorp, Inc.	$	588,544	12.9	%	$	205,380	4.5	%		N/A	N/A
Great Southern Bank	$	644,134	14.1	%	$	205,340	4.5	%	$	296,602	6.5	%