Note 7: Loans and Allowance For Loan Losses: Schedule of Loans Classified by Aging Analysis (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Consumer Loan
Financing Receivable Recorded Investment 30 To 59 Days Past Due	$ 975	$ 1,301
Financing Receivable Recorded Investment 60 To 89 Days Past Due	219	260
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	764	801
Financing Receivable, Recorded Investment, Past Due	1,958	2,362
Financing Receivable, Recorded Investment, Current	74,370	75,667
Notes, Loans and Financing Receivable, Gross, Current	76,328	78,029
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	430	397
Automobile Loan
Financing Receivable Recorded Investment 30 To 59 Days Past Due	1,581	1,801
Financing Receivable Recorded Investment 60 To 89 Days Past Due	122	244
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	350	316
Financing Receivable, Recorded Investment, Past Due	2,053	2,361
Financing Receivable, Recorded Investment, Current	346,282	320,992
Notes, Loans and Financing Receivable, Gross, Current	348,335	323,353
One To Four Family Residential Construction
Financing Receivable, Recorded Investment, Current	37,199	40,361
Notes, Loans and Financing Receivable, Gross, Current	37,199	40,361
Subdivision Construction
Financing Receivable Recorded Investment 30 To 59 Days Past Due		109
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	56
Financing Receivable, Recorded Investment, Past Due	56	109
Financing Receivable, Recorded Investment, Current	35,397	28,484
Notes, Loans and Financing Receivable, Gross, Current	35,453	28,593
Land Development
Financing Receivable Recorded Investment 30 To 59 Days Past Due	3,398	110
Financing Receivable Recorded Investment 60 To 89 Days Past Due	11
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due		255
Financing Receivable, Recorded Investment, Past Due	3,409	365
Financing Receivable, Recorded Investment, Current	44,312	51,731
Notes, Loans and Financing Receivable, Gross, Current	47,721	52,096
Commercial Construction
Financing Receivable, Recorded Investment, Current	445,781	392,929
Notes, Loans and Financing Receivable, Gross, Current	445,781	392,929
Owner Occupied One To Four Family Residential
Financing Receivable Recorded Investment 30 To 59 Days Past Due	1,032	2,037
Financing Receivable Recorded Investment 60 To 89 Days Past Due	41	441
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	827	1,029
Financing Receivable, Recorded Investment, Past Due	1,900	3,507
Financing Receivable, Recorded Investment, Current	92,380	84,042
Notes, Loans and Financing Receivable, Gross, Current	94,280	87,549
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	90	170
Non-Owner Occupied One To Four Family Residential
Financing Receivable Recorded Investment 30 To 59 Days Past Due	149	583
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	312	296
Financing Receivable, Recorded Investment, Past Due	461	879
Financing Receivable, Recorded Investment, Current	144,840	142,172
Notes, Loans and Financing Receivable, Gross, Current	145,301	143,051
Commercial Real Estate
Financing Receivable Recorded Investment 30 To 59 Days Past Due	915	6,887
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	3,134	4,699
Financing Receivable, Recorded Investment, Past Due	4,049	11,586
Financing Receivable, Recorded Investment, Current	961,924	934,290
Notes, Loans and Financing Receivable, Gross, Current	965,973	945,876
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing		187
Other Residential
Financing Receivable Recorded Investment 30 To 59 Days Past Due	2,876
Financing Receivable, Recorded Investment, Past Due	2,876
Financing Receivable, Recorded Investment, Current	392,754	392,414
Notes, Loans and Financing Receivable, Gross, Current	395,630	392,414
Commercial Business
Financing Receivable Recorded Investment 30 To 59 Days Past Due	373	59
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	305	411
Financing Receivable, Recorded Investment, Past Due	678	470
Financing Receivable, Recorded Investment, Current	366,141	353,542
Notes, Loans and Financing Receivable, Gross, Current	366,819	354,012
Industrial Revenue Bonds
Financing Receivable, Recorded Investment, Current	41,198	41,061
Notes, Loans and Financing Receivable, Gross, Current	41,198	41,061
Home Equity Line of Credit
Financing Receivable Recorded Investment 30 To 59 Days Past Due	224	89
Financing Receivable Recorded Investment 60 To 89 Days Past Due	29
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	327	340
Financing Receivable, Recorded Investment, Past Due	580	429
Financing Receivable, Recorded Investment, Current	67,526	65,843
Notes, Loans and Financing Receivable, Gross, Current	68,106	66,272
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing		22
Acquired FDIC-covered loans, net of discount
Financing Receivable Recorded Investment 30 To 59 Days Past Due	7,107	6,236
Financing Receivable Recorded Investment 60 To 89 Days Past Due	625	1,062
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	13,165	16,419
Financing Receivable, Recorded Investment, Past Due	20,897	23,717
Financing Receivable, Recorded Investment, Current	254,113	262,891
Notes, Loans and Financing Receivable, Gross, Current	275,010	286,608
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	78	194
Acquired loans not covered by FDIC loss sharing agreements, net of discounts
Financing Receivable Recorded Investment 30 To 59 Days Past Due	359	754
Financing Receivable Recorded Investment 60 To 89 Days Past Due		46
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	236	243
Financing Receivable, Recorded Investment, Past Due	595	1,043
Financing Receivable, Recorded Investment, Current	46,110	48,902
Notes, Loans and Financing Receivable, Gross, Current	46,705	49,945
Acquired non-covered loans, net of discounts
Financing Receivable Recorded Investment 30 To 59 Days Past Due	1,311	2,638
Financing Receivable Recorded Investment 60 To 89 Days Past Due	230	640
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	9,281	11,248
Financing Receivable, Recorded Investment, Past Due	10,822	14,526
Financing Receivable, Recorded Investment, Current	105,611	107,456
Notes, Loans and Financing Receivable, Gross, Current	116,433	121,982
Loans receivable, gross
Financing Receivable Recorded Investment 30 To 59 Days Past Due	20,300	22,604
Financing Receivable Recorded Investment 60 To 89 Days Past Due	1,277	2,693
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	28,757	36,057
Financing Receivable, Recorded Investment, Past Due	50,334	61,354
Financing Receivable, Recorded Investment, Current	3,455,938	3,342,777
Notes, Loans and Financing Receivable, Gross, Current	3,506,272	3,404,131
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	598	970
Less FDIC Supported Loans and Acquired Not Covered Loans, Net Of Discounts
Financing Receivable Recorded Investment 30 To 59 Days Past Due	8,777	9,628
Financing Receivable Recorded Investment 60 To 89 Days Past Due	855	1,748
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	22,682	27,910
Financing Receivable, Recorded Investment, Past Due	32,314	39,286
Financing Receivable, Recorded Investment, Current	405,834	419,249
Notes, Loans and Financing Receivable, Gross, Current	438,148	458,535
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	78	194
Loans Receivable
Financing Receivable Recorded Investment 30 To 59 Days Past Due	11,523	12,976
Financing Receivable Recorded Investment 60 To 89 Days Past Due	422	945
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	6,075	8,147
Financing Receivable, Recorded Investment, Past Due	18,020	22,068
Financing Receivable, Recorded Investment, Current	3,050,104	2,923,528
Notes, Loans and Financing Receivable, Gross, Current	3,068,124	2,945,596
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	$ 520	$ 776