GREAT SOUTHERN BANCORP, INC. AND SUBSIDIARIES -- CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 29,153	$ 11,783
Proceeds from sales of loans held for sale	117,055	86,449
Originations of loans held for sale	(116,480)	(71,913)
Items not requiring (providing) cash:
Depreciation	3,359	2,416
Amortization of other assets	2,964	1,121
Compensation expense for stock option grants	214	239
Provision for loan losses	27,677	16,631
Net gains on loan sales	(2,246)	(1,609)
Net (gains) losses on sale or impairment of available-for-sale investment securities	(1,280)	400
Net losses on sale of premises and equipment	177	150
(Gain) loss on sale of foreclosed assets	(349)	(536)
Gain on purchase of additional business units	(31,312)
Amortization of deferred income, premiums, discounts and fair value adjustments	2,585	17,998
(Gain) loss on derivative interest rate products	20
Deferred income taxes	9,737	(7,453)
Changes in:
Interest receivable	1,576	938
Prepaid expenses and other assets	62,344	4,377
Accounts payable and accrued expenses	1,538	(1,256)
Income taxes refundable/payable	320	432
Net cash provided by operating activities	107,052	60,167
CASH FLOWS FROM INVESTING ACTIVITIES
Net (increase) decrease in loans	40,781	(70,154)
Purchase of loans	(12,107)	(150)
Proceeds from sale of student loans		798
Cash received from purchase of additional business units	75,328
Purchase of additional business units		(1)
Purchase of premises and equipment	(15,008)	(8,587)
Proceeds from sale of premises and equipment	154	140
Proceeds from sale of foreclosed assets	24,460	7,167
Capitalized costs on foreclosed assets	(95)	(198)
Proceeds from sales of available-for-sale investment securities	74,699
Proceeds from maturing investment securities	1,830	1,202
Proceeds from called investment securities	26,835	6,745
Principal reductions on mortgage-backed securities	68,006	61,963
Purchase of available-for-sale securities	(75,433)	(126,423)
Purchase of held-to-maturity investment securities		(840)
Redemption of Federal Home Loan Bank stock	1,596	331
Net cash provided by (used in) investing activities	211,046	(128,007)
CASH FLOWS FROM FINANCING ACTIVITIES
Net decrease in certificates of deposit	(105,078)	(67,281)
Net increase in checking and savings deposits	78,625	94,698
Repayments of Federal Home Loan Bank advances	(32,710)	(1,228)
Net decrease in short-term borrowings and structured repo	(10,865)	(27,605)
Advances from borrowers for taxes and insurance	1,387	910
Dividends paid	(5,373)	(6,293)
Stock options exercised	467	93
Net cash used in financing activities	(73,547)	(6,706)
INCREASE IN CASH AND CASH EQUIVALENTS	244,551	(74,546)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	380,249	429,971
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 624,800	$ 355,425