Note 3: Loans and Allowance For Loan Losses: Schedule of Loans Receivable by Aging Analysis (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
One- to Four-Family Residential Construction
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	$ 178	$ 2,082
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due		342
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		186
Financing Receivable, Recorded Investment, Past Due	178	2,610
Financing Receivable, Recorded Investment, Current	28,893	21,366
Total Loans Receivable	29,071	23,976
Subdivision Construction
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	478	4,014
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due		388
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	3	6,661
Financing Receivable, Recorded Investment, Past Due	481	11,063
Financing Receivable, Recorded Investment, Current	35,324	50,077
Total Loans Receivable	35,805	61,140
Land Development
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due		4
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	2,471	2,655
Financing Receivable, Recorded Investment, Past Due	2,471	2,659
Financing Receivable, Recorded Investment, Current	60,088	66,112
Total Loans Receivable	62,559	68,771
Commercial Construction
Financing Receivable, Recorded Investment, Current	150,515	119,589
Total Loans Receivable	150,515	119,589
Owner Occupied One- to Four-Family Residential
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	3,305	833
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	263
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	2,352	3,888
Financing Receivable, Recorded Investment, Past Due	5,920	4,721
Financing Receivable, Recorded Investment, Current	77,939	87,273
Total Loans Receivable	83,859	91,994
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	237	40
Non-Owner Occupied One- to Four-Family Residential
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	2,600	117
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,905	3,425
Financing Receivable, Recorded Investment, Past Due	4,505	3,542
Financing Receivable, Recorded Investment, Current	140,953	142,239
Total Loans Receivable	145,458	145,781
Commercial Real Estate
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	1,346	6,323
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	726	535
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	8,324	6,204
Financing Receivable, Recorded Investment, Past Due	10,396	13,062
Financing Receivable, Recorded Investment, Current	681,981	626,795
Total Loans Receivable	692,377	639,857
Other Residential
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	3,741
Financing Receivable, Recorded Investment, Past Due	3,741
Financing Receivable, Recorded Investment, Current	263,777	243,742
Total Loans Receivable	267,518	243,742
Commercial Business
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	2,094	426
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	153	10
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	4,139	1,362
Financing Receivable, Recorded Investment, Past Due	6,386	1,798
Financing Receivable, Recorded Investment, Current	258,245	234,586
Total Loans Receivable	264,631	236,384
Industrial Revenue Bonds
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	2,110	2,110
Financing Receivable, Recorded Investment, Past Due	2,110	2,110
Financing Receivable, Recorded Investment, Current	41,652	57,640
Total Loans Receivable	43,762	59,750
Consumer Loans Auto Financing Receivable
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	690	455
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	73	56
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	120	117
Financing Receivable, Recorded Investment, Past Due	883	628
Financing Receivable, Recorded Investment, Current	81,727	58,740
Total Loans Receivable	82,610	59,368
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	26	10
Consumer Other Financing Receivable
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	1,522	1,508
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	242	641
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	834	715
Financing Receivable, Recorded Investment, Past Due	2,598	2,864
Financing Receivable, Recorded Investment, Current	81,217	74,676
Total Loans Receivable	83,815	77,540
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	449	356
Home Equity Line of Credit
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	185	45
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	146	29
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	220	174
Financing Receivable, Recorded Investment, Past Due	551	248
Financing Receivable, Recorded Investment, Current	53,674	46,866
Total Loans Receivable	54,225	47,114
FDIC-Supported Loans, Net of Discounts | TeamBank
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	1,608	2,422
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	2,077	862
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	8,020	19,215
Financing Receivable, Recorded Investment, Past Due	11,705	22,499
Financing Receivable, Recorded Investment, Current	65,910	106,376
Total Loans Receivable	77,615	128,875
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	173
FDIC-Supported Loans, Net of Discounts | Vantus Bank
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	1,545	562
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	669	57
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	5,641	5,999
Financing Receivable, Recorded Investment, Past Due	7,855	6,618
Financing Receivable, Recorded Investment, Current	87,628	116,418
Total Loans Receivable	95,483	123,036
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing		5
FDIC-Supported Loans, Net of Discounts | Sun Security Bank
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	1,539	5,628
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	384	6,851
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	21,342	40,299
Financing Receivable, Recorded Investment, Past Due	23,265	52,778
Financing Receivable, Recorded Investment, Current	68,254	91,848
Total Loans Receivable	91,519	144,626
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	1,274	150
FDIC-Supported Loans, Net of Discounts | InterBank
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	10,212
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	4,662
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	33,928
Financing Receivable, Recorded Investment, Past Due	48,802
Financing Receivable, Recorded Investment, Current	210,430
Total Loans Receivable	259,232
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	347
Total Including FDIC Supported Loans Net of Discount
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	31,043	24,415
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	9,395	9,775
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	91,409	93,010
Financing Receivable, Recorded Investment, Past Due	131,847	127,200
Financing Receivable, Recorded Investment, Current	2,388,207	2,144,343
Total Loans Receivable	2,520,054	2,271,543
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	2,506	561
Less FDIC-Supported Loans, Net of Discounts
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	14,904	8,612
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	7,792	7,770
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	68,931	65,513
Financing Receivable, Recorded Investment, Past Due	91,627	81,895
Financing Receivable, Recorded Investment, Current	432,222	314,642
Total Loans Receivable	523,849	396,537
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	1,794	155
Total Legacy Loans
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due	16,139	15,803
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due	1,603	2,005
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	22,478	27,497
Financing Receivable, Recorded Investment, Past Due	40,220	45,305
Financing Receivable, Recorded Investment, Current	1,955,985	1,829,701
Total Loans Receivable	1,996,205	1,875,006
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing	$ 712	$ 406