Great Southern Bancorp, Inc. - Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Interest Income
Loans	$ 171,201	$ 145,832	$ 123,463
Investment securities and other	27,466	27,359	32,405
Total interest income	198,667	173,191	155,868
Interest Expense
Deposits	26,370	38,427	54,087
Federal Home Loan Bank advances	5,242	5,516	5,352
Short-term borrowings and repurchase agreements	2,965	3,329	6,393
Subordinated debentures issued to capital trust	569	578	773
Total interest expense	35,146	47,850	66,605
Net Interest Income	163,521	125,341	89,263
Provision for Loan Losses	35,336	35,630	35,800
Net Interest Income After Provision for Loan Losses	128,185	89,711	53,463
Noninterest Income
Commissions	8,915	8,284	6,775
Service charges and ATM fees	18,063	18,652	17,669
Net gains on loan sales	3,524	3,765	2,889
Net realized gains on sales of available-for-sale securities	483	8,787	2,787
Realized impairment of available-for-sale securities	(615)		(4,308)
Late charges and fees on loans	651	767	672
Gain (loss) on derivative interest rate products	(10)		1,184
Gain recognized on business acquisitions	16,486		89,795
Accretion (amortization) of income/expense related to business acquisitions	(37,797)	(10,427)	2,733
Other noninterest income	2,560	2,124	2,588
Total noninterest income	12,260	31,952	122,784
Noninterest Expense
Salaries and employee benefits	48,836	44,842	40,450
Net occupancy expense	16,162	14,341	12,506
Postage	3,170	3,303	2,789
Insurance	4,938	4,562	5,716
Advertising	1,490	1,932	1,488
Office supplies and printing	1,337	1,522	1,195
Telephone	2,471	2,333	1,828
Legal, audit and other professional fees	3,837	2,867	2,778
Expense on foreclosed assets	11,846	4,914	4,959
Other operating expenses	10,576	8,288	4,486
Total noninterest expense	104,663	88,904	78,195
Income Before Income Taxes	35,782	32,759	98,052
Provision for Income Taxes	5,513	8,894	33,005
Net Income	30,269	23,865	65,047
Preferred stock dividends and discount accretion	2,798	3,403	3,353
Non-cash deemed preferred stock dividend	1,212
Net Income Available to Common Shareholders	$ 26,259	$ 20,462	$ 61,694
Earnings per common share basic	$ 1.95	$ 1.52	$ 4.61
Earnings per common share diluted	$ 1.93	$ 1.46	$ 4.44