Note 7: Loans and Allowance For Loan Losses: Allowance for Credit Losses on Financing Receivables (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Provision for loan losses	$ 1,703,000	$ 945,000	$ 4,303,000	$ 4,099,000
One-to-Four-Family Residential Construction
Provision for Loan Losses Expensed	515	(1,647)	961	(1,280)
Financing Receivable, Allowance for Credit Losses, Write-downs		(106)	(66)	(1,803)
Allowance for Doubtful Accounts Receivable, Recoveries	36	120	87	288
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	763		763		$ 829
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,907		2,907		2,532
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses	767				94
Financing Receivable, Individually Evaluated for Impairment	8,558		8,558		11,488
Financing Receivable, Collectively Evaluated for Impairment	324,750		324,750		288,066
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	199,047		199,047		234,158
One-to-Four-Family Residential Construction | Beginning of Period
Provision for loan losses	3,886	5,073	3,455	6,235
One-to-Four-Family Residential Construction | End of Period
Provision for loan losses	4,437	3,440	4,437	3,440
Other Residential
Provision for Loan Losses Expensed	162	545	546	(423)
Financing Receivable, Allowance for Credit Losses, Write-downs			(2)	(2)
Allowance for Doubtful Accounts Receivable, Recoveries	12	14	31	29
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,497		3,497		2,923
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses	19				18
Financing Receivable, Individually Evaluated for Impairment	9,567		9,567		9,804
Financing Receivable, Collectively Evaluated for Impairment	398,378		398,378		382,610
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	43,268		43,268		48,470
Other Residential | Beginning of Period
Provision for loan losses	3,342	1,723	2,941	2,678
Other Residential | End of Period
Provision for loan losses	3,516	2,282	3,516	2,282
Commercial Real Estate
Provision for Loan Losses Expensed	(284)	2,838	(45)	2,704
Financing Receivable, Allowance for Credit Losses, Write-downs	(803)	(520)	(807)	(1,239)
Allowance for Doubtful Accounts Receivable, Recoveries	32	170	215	560
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	3,340		3,340		1,751
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	15,398		15,398		16,671
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses	398				1,351
Financing Receivable, Individually Evaluated for Impairment	32,232		32,232		28,641
Financing Receivable, Collectively Evaluated for Impairment	1,009,413		1,009,413		917,235
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	81,832		81,832		107,278
Commercial Real Estate | Beginning of Period
Provision for loan losses	20,191	16,476	19,773	16,939
Commercial Real Estate | End of Period
Provision for loan losses	19,136	18,964	19,136	18,964
Commercial Construction
Provision for Loan Losses Expensed	(158)	(2,499)	(348)	1,263
Financing Receivable, Allowance for Credit Losses, Write-downs	(132)	(1)	(329)	(131)
Allowance for Doubtful Accounts Receivable, Recoveries	81	24	194	177
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	1,405		1,405		1,507
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,491		1,491		1,905
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses	183				150
Financing Receivable, Individually Evaluated for Impairment	7,416		7,416		7,601
Financing Receivable, Collectively Evaluated for Impairment	488,320		488,320		437,424
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	6,149		6,149		1,937
Commercial Construction | Beginning of Period
Provision for loan losses	3,288	8,249	3,562	4,464
Commercial Construction | End of Period
Provision for loan losses	3,079	5,773	3,079	5,773
Commercial Business
Provision for Loan Losses Expensed	728	632	1,618	(619)
Financing Receivable, Allowance for Credit Losses, Write-downs	(193)	(50)	(968)	(2,737)
Allowance for Doubtful Accounts Receivable, Recoveries	45		243	69
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	473		473		823
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,943		3,943		2,805
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses	156				51
Financing Receivable, Individually Evaluated for Impairment	2,701		2,701		2,725
Financing Receivable, Collectively Evaluated for Impairment	446,798		446,798		392,348
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	11,617		11,617		17,789
Commercial Business | Beginning of Period
Provision for loan losses	3,992	2,582	3,679	6,451
Commercial Business | End of Period
Provision for loan losses	4,572	3,164	4,572	3,164
Consumer
Provision for Loan Losses Expensed	740	1,076	1,571	2,454
Financing Receivable, Allowance for Credit Losses, Write-downs	(1,312)	(1,107)	(3,394)	(2,891)
Allowance for Doubtful Accounts Receivable, Recoveries	711	510	1,936	1,546
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	311		311		232
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	4,509		4,509		4,321
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses	318				472
Financing Receivable, Individually Evaluated for Impairment	2,016		2,016		1,480
Financing Receivable, Collectively Evaluated for Impairment	554,076		554,076		466,174
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	44,618		44,618		48,903
Consumer | Beginning of Period
Provision for loan losses	4,999	3,979	5,025	3,349
Consumer | End of Period
Provision for loan losses	5,138	4,458	5,138	4,458
Loans Receivable
Provision for Loan Losses Expensed	1,703	945	4,303	4,099
Financing Receivable, Allowance for Credit Losses, Write-downs	(2,440)	(1,784)	(5,566)	(8,803)
Allowance for Doubtful Accounts Receivable, Recoveries	917	838	2,706	2,669
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	6,292		6,292		5,142
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	31,745		31,745		31,157
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Provision for Loan Losses	1,841				2,136
Financing Receivable, Individually Evaluated for Impairment	62,490		62,490		61,739
Financing Receivable, Collectively Evaluated for Impairment	3,221,735		3,221,735		2,883,857
All Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model	386,531		386,531		$ 458,535
Loans Receivable | Beginning of Period
Provision for loan losses	39,698	38,082	38,435	40,116
Loans Receivable | End of Period
Provision for loan losses	$ 39,878	$ 38,081	$ 39,878	$ 38,081