Note 7: Fdic Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Schedule of Accretable Yield Changes for Acquired Loans (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2016		Jun. 30, 2015		Jun. 30, 2016		Jun. 30, 2015
TeamBank
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	$ (550)		$ (713)		$ (1,031)		$ (2,114)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	(50)	[1]	(496)	[1]	112	[2]	(11)	[2]
TeamBank | Beginning of Period
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease)	3,486		5,949		3,805		6,865
TeamBank | End of Period
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease)	2,886		4,740		2,886		4,740
Vantus Bank
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	(502)		(710)		(991)		(1,391)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	483	[1]	154	[1]	848	[2]	913	[2]
Vantus Bank | Beginning of Period
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease)	3,236		4,531		3,360		4,453
Vantus Bank | End of Period
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease)	3,217		3,975		3,217		3,975
Sun Security Bank
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	(979)		(1,365)		(2,051)		(3,318)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	670	[1]	649	[1]	1,141	[2]	2,050	[2]
Sun Security Bank | Beginning of Period
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease)	5,323		7,400		5,924		7,952
Sun Security Bank | End of Period
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease)	5,014		6,684		5,014		6,684
InterBank
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	(3,475)		(7,797)		(8,116)		(16,997)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	738	[1]	716	[1]	3,587	[2]	5,632	[2]
InterBank | Beginning of Period
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease)	14,555		31,808		16,347		36,092
InterBank | End of Period
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease)	11,818		24,727		11,818		24,727
Valley Bank
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Accretion	(2,717)		(2,357)		(5,863)		(4,860)
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference	1,009	[1]	636	[1]	4,071	[2]	3,094	[2]
Valley Bank | Beginning of Period
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease)	8,232		11,087		8,316		11,132
Valley Bank | End of Period
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease)	$ 6,524		$ 9,366		$ 6,524		$ 9,366

[1] Represents increases in estimated cash flows expected to be received from the acquired loan pools, primarily due to lower estimated credit losses. The amounts also include changes in expected accretion of the loan pools for TeamBank, Vantus Bank, Sun Security Bank, InterBank and Valley Bank for the three months ended June 30, 2016, totaling $(50,000), $483,000, $670,000, $538,000 and $484,000, respectively, and for the three months ended June 30, 2015, totaling $(496,000), $154,000, $649,000, $716,000 and $(264,000), respectively.

[2] Represents increases in estimated cash flows expected to be received from the acquired loan pools, primarily due to lower estimated credit losses. The amounts also include changes in expected accretion of the loan pools for TeamBank, Vantus Bank, Sun Security Bank, InterBank and Valley Bank for the six months ended June 30, 2016, totaling $112,000, $848,000, $974,000, $1.2 million and $1.1 million, respectively, and for the six months ended June 30, 2015, totaling $(176,000), $527,000, $1.1 million, $1.6 million and $344,000, respectively.