GREAT SOUTHERN BANCORP, INC. AND SUBSIDIARIES -- CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 36,257	$ 18,238
Proceeds from sales of loans held for sale	185,387	123,123
Originations of loans held for sale	(190,534)	(119,759)
Items not requiring (providing) cash:
Depreciation	5,246	3,721
Amortization of other assets	4,743	1,681
Compensation expense for stock option grants	320	360
Provision for loan losses	36,077	25,131
Net gains on loan sales	(3,650)	(2,352)
Net (gains) losses on sale or impairment of available-for-sale investment securities	(1,787)	(83)
Net losses on sale of premises and equipment	159	152
(Gain) loss on sale of foreclosed assets	856	867
Gain on purchase of additional business units	(31,312)
Amortization of deferred income, premiums, discounts and fair value adjustments	10,115	29,456
(Gain) loss on derivative interest rate products	124
Deferred income taxes	3,504	(2,765)
Changes in:
Interest receivable	2,337	1,046
Prepaid expenses and other assets	73,932	(13,183)
Accounts payable and accrued expenses	(1,157)	(867)
Income taxes refundable/payable	7,323	(1,793)
Net cash provided by operating activities	137,940	62,973
CASH FLOWS FROM INVESTING ACTIVITIES
Net (increase) decrease in loans	(4,395)	(123,500)
Purchase of loans	(12,107)	(2,100)
Proceeds from sale of student loans		804
Cash received from purchase of additional business units	75,328
Purchase of additional business units		(1)
Purchase of premises and equipment	(22,562)	(12,446)
Proceeds from sale of premises and equipment	488	449
Proceeds from sale of foreclosed assets	38,710	10,446
Capitalized costs on foreclosed assets	(275)	(239)
Proceeds from sales of available-for-sale investment securities	77,849	21,217
Proceeds from maturing investment securities	1,830	1,202
Proceeds from called investment securities	29,745	7,835
Principal reductions on mortgage-backed securities	107,581	89,451
Purchase of available-for-sale securities	(85,803)	(136,811)
Purchase of held-to-maturity investment securities		(840)
Redemption of Federal Home Loan Bank stock	2,607	336
Net cash provided by (used in) investing activities	208,996	(144,197)
CASH FLOWS FROM FINANCING ACTIVITIES
Net decrease in certificates of deposit	(279,366)	(115,249)
Net increase in checking and savings deposits	111,406	138,905
Repayments of Federal Home Loan Bank advances	(52,850)	(1,402)
Net decrease in short-term borrowings and structured repo	(18,823)	(11,575)
Advances from borrowers for taxes and insurance	3,417	1,570
Proceeds from issuance of preferred stock		57,943
Redemption of preferred stock		(58,000)
Purchase of common stock warrant		(6,436)
Dividends paid	(7,949)	(9,466)
Stock options exercised	2,164	263
Net cash used in financing activities	(242,001)	(3,447)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	104,935	(84,671)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	380,249	429,971
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 485,184	$ 345,300