Note 7: Loans and Allowance For Loan Losses: Impaired Financing Receivables (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Consumer Loan
Impaired Financing Receivable, Recorded Investment	$ 604	$ 738	$ 604	$ 738	$ 629
Impaired Financing Receivable, Unpaid Principal Balance	756	856	756	856	765
Impaired Financing Receivable, Related Allowance	91	111	91	111	94
Impaired Financing Receivable, Average Recorded Investment	569	714	575	696	676
Impaired Financing Receivable Interest Income Recognized	16	24	33	42	71
Automobile Loan
Impaired Financing Receivable, Recorded Investment	561	187	561	187	420
Impaired Financing Receivable, Unpaid Principal Balance	604	215	604	215	507
Impaired Financing Receivable, Related Allowance	84	28	84	28	63
Impaired Financing Receivable, Average Recorded Investment	456	160	440	166	219
Impaired Financing Receivable Interest Income Recognized	14	5	21	7	37
One To Four Family Residential Construction
Impaired Financing Receivable, Recorded Investment	467	170	467	170	1,312
Impaired Financing Receivable, Unpaid Principal Balance	467	170	467	170	1,312
Impaired Financing Receivable, Average Recorded Investment	660	57	815	28	173
Impaired Financing Receivable Interest Income Recognized	12	3	28	3	76
Subdivision Construction
Impaired Financing Receivable, Recorded Investment	4,361	1,707	4,361	1,707	4,540
Impaired Financing Receivable, Unpaid Principal Balance	4,418	1,783	4,418	1,783	4,540
Impaired Financing Receivable, Related Allowance	223	585	223	585	344
Impaired Financing Receivable, Average Recorded Investment	4,421	2,310	4,452	2,720	2,593
Impaired Financing Receivable Interest Income Recognized	53	8	106	30	226
Land Development
Impaired Financing Receivable, Recorded Investment	7,334	7,600	7,334	7,600	7,601
Impaired Financing Receivable, Unpaid Principal Balance	7,337	8,024	7,337	8,024	8,044
Impaired Financing Receivable, Related Allowance	1,411	1,531	1,411	1,531	1,507
Impaired Financing Receivable, Average Recorded Investment	7,339	10,937	7,424	11,779	9,691
Impaired Financing Receivable Interest Income Recognized	66	42	132	143	292
Owner Occupied One To Four Family Residential
Impaired Financing Receivable, Recorded Investment	3,555	5,149	3,555	5,149	3,747
Impaired Financing Receivable, Unpaid Principal Balance	3,819	5,490	3,819	5,490	4,094
Impaired Financing Receivable, Related Allowance	370	581	370	581	407
Impaired Financing Receivable, Average Recorded Investment	3,681	5,101	3,832	5,318	4,808
Impaired Financing Receivable Interest Income Recognized	39	60	88	112	212
Non-Owner Occupied One To Four Family Residential
Impaired Financing Receivable, Recorded Investment	1,609	4,534	1,609	4,534	1,889
Impaired Financing Receivable, Unpaid Principal Balance	1,826	4,680	1,826	4,680	2,113
Impaired Financing Receivable, Related Allowance	70	457	70	457	78
Impaired Financing Receivable, Average Recorded Investment	1,688	4,140	1,737	3,930	4,010
Impaired Financing Receivable Interest Income Recognized	20	69	45	110	94
Commercial Real Estate
Impaired Financing Receivable, Recorded Investment	25,891	30,744	25,891	30,744	28,641
Impaired Financing Receivable, Unpaid Principal Balance	27,250	33,200	27,250	33,200	30,781
Impaired Financing Receivable, Related Allowance	2,130	1,507	2,130	1,507	1,751
Impaired Financing Receivable, Average Recorded Investment	26,275	29,958	26,456	30,541	29,808
Impaired Financing Receivable Interest Income Recognized	326	360	630	690	1,253
Other Residential
Impaired Financing Receivable, Recorded Investment	9,729	10,586	9,729	10,586	9,804
Impaired Financing Receivable, Unpaid Principal Balance	9,729	10,586	9,729	10,586	9,804
Impaired Financing Receivable, Average Recorded Investment	9,742	10,734	9,761	10,845	10,469
Impaired Financing Receivable Interest Income Recognized	93	120	180	210	407
Commercial Business
Impaired Financing Receivable, Recorded Investment	1,567	2,183	1,567	2,183	2,725
Impaired Financing Receivable, Unpaid Principal Balance	1,591	2,203	1,591	2,203	2,750
Impaired Financing Receivable, Related Allowance	261	606	261	606	823
Impaired Financing Receivable, Average Recorded Investment	1,962	1,847	2,216	2,904	2,579
Impaired Financing Receivable Interest Income Recognized	19	47	47	68	158
Industrial Revenue Bonds
Impaired Financing Receivable, Recorded Investment		3,651		3,651
Impaired Financing Receivable, Unpaid Principal Balance		4,585		4,585
Impaired Financing Receivable, Average Recorded Investment		2,933		2,815	2,644
Impaired Financing Receivable Interest Income Recognized		303		303
Home Equity Line of Credit
Impaired Financing Receivable, Recorded Investment	393	436	393	436	431
Impaired Financing Receivable, Unpaid Principal Balance	492	460	492	460	476
Impaired Financing Receivable, Related Allowance	68	92	68	92	75
Impaired Financing Receivable, Average Recorded Investment	404	441	405	484	461
Impaired Financing Receivable Interest Income Recognized	4		13	14	25
Loans Receivable Impaired
Impaired Financing Receivable, Recorded Investment	56,071	67,685	56,071	67,685	61,739
Impaired Financing Receivable, Unpaid Principal Balance	58,289	72,252	58,289	72,252	65,186
Impaired Financing Receivable, Related Allowance	4,708	5,498	4,708	5,498	5,142
Impaired Financing Receivable, Average Recorded Investment	57,197	69,332	58,113	72,226	68,131
Impaired Financing Receivable Interest Income Recognized	$ 662	$ 1,041	$ 1,323	$ 1,732	$ 2,851