Note 7: Loans and Allowance For Loan Losses: Schedule of Classes of Loans by Aging (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
One- to four-family residential construction
Loans 30 to 59 Days Past Due	$ 204	$ 2,082
Loans 60 to 89 Days Past Due		342
Loans Total Past Due	204	2,424
Loans Current	30,543	21,552
Total Loans Receivable	30,747	23,976
Subdivision construction
Loans 30 to 59 Days Past Due	156	4,014
Loans 60 to 89 Days Past Due	18	388
Loans Over 90 Days Past Due	770	6,661
Loans Total Past Due	944	11,063
Loans Current	36,443	50,077
Total Loans Receivable	37,387	61,140
Land development
Loans 30 to 59 Days Past Due	12
Loans 60 to 89 Days Past Due		4
Loans Over 90 Days Past Due	6,887	2,655
Loans Total Past Due	6,899	2,659
Loans Current	57,065	66,112
Total Loans Receivable	63,964	68,771
Commercial construction
Loans Current	124,612	119,589
Total Loans Receivable	124,612	119,589
Owner occupied one- to four-family residential
Loans 30 to 59 Days Past Due	525	833
Loans 60 to 89 Days Past Due	476
Loans Over 90 Days Past Due	1,758	3,999
Loans Total Past Due	2,759	4,832
Loans Current	81,327	87,162
Total Loans Receivable	84,086	91,994
Total Loans Greater Than 90 Days and Still Accruing		40
Non-owner occupied one- to four-family residential
Loans 30 to 59 Days Past Due	1,216	117
Loans 60 to 89 Days Past Due	1,108
Loans Over 90 Days Past Due	4,445	3,425
Loans Total Past Due	6,769	3,542
Loans Current	142,085	142,239
Total Loans Receivable	148,854	145,781
Commercial real estate
Loans 30 to 59 Days Past Due	7,116	6,323
Loans 60 to 89 Days Past Due	581	535
Loans Over 90 Days Past Due	2,825	6,204
Loans Total Past Due	10,522	13,062
Loans Current	640,430	626,795
Total Loans Receivable	650,952	639,857
Other residential
Loans 30 to 59 Days Past Due	4,459
Loans Over 90 Days Past Due	2,950
Loans Total Past Due	7,409
Loans Current	264,862	243,742
Total Loans Receivable	272,271	243,742
Commercial business
Loans 30 to 59 Days Past Due	595	426
Loans 60 to 89 Days Past Due	33	10
Loans Over 90 Days Past Due	2,404	1,362
Loans Total Past Due	3,032	1,798
Loans Current	252,409	234,586
Total Loans Receivable	255,441	236,384
Industrial revenue bonds
Loans Over 90 Days Past Due	2,110	2,110
Loans Total Past Due	2,110	2,110
Loans Current	42,099	57,640
Total Loans Receivable	44,209	59,750
Consumer auto
Loans 30 to 59 Days Past Due	443	455
Loans 60 to 89 Days Past Due	50	56
Loans Over 90 Days Past Due	130	107
Loans Total Past Due	623	618
Loans Current	74,215	58,750
Total Loans Receivable	74,838	59,368
Total Loans Greater Than 90 Days and Still Accruing	31	10
Consumer other
Loans 30 to 59 Days Past Due	864	1,508
Loans 60 to 89 Days Past Due	429	641
Loans Over 90 Days Past Due	973	800
Loans Total Past Due	2,266	2,949
Loans Current	80,289	74,591
Total Loans Receivable	82,555	77,540
Total Loans Greater Than 90 Days and Still Accruing	601	356
Home equity lines of credit
Loans 30 to 59 Days Past Due	252	45
Loans 60 to 89 Days Past Due	55	29
Loans Over 90 Days Past Due	99	174
Loans Total Past Due	406	248
Loans Current	52,977	46,866
Total Loans Receivable	53,383	47,114
FDIC-supported loans, net of discounts (TeamBank)
Loans 30 to 59 Days Past Due	1,167	2,422
Loans 60 to 89 Days Past Due	167	862
Loans Over 90 Days Past Due	18,842	19,215
Loans Total Past Due	20,176	22,499
Loans Current	67,697	106,376
Total Loans Receivable	87,873	128,875
Total Loans Greater Than 90 Days and Still Accruing	8
FDIC-supported loans, net of discounts (Vantus Bank)
Loans 30 to 59 Days Past Due	487	562
Loans 60 to 89 Days Past Due	53	57
Loans Over 90 Days Past Due	8,014	5,999
Loans Total Past Due	8,554	6,618
Loans Current	96,496	116,418
Total Loans Receivable	105,050	123,036
Total Loans Greater Than 90 Days and Still Accruing	1	5
FDIC-supported loans, net of discounts (Sun Security Bank)
Loans 30 to 59 Days Past Due	5,304	5,628
Loans 60 to 89 Days Past Due	273	6,851
Loans Over 90 Days Past Due	23,607	40,299
Loans Total Past Due	29,184	52,778
Loans Current	72,767	91,848
Total Loans Receivable	101,951	144,626
Total Loans Greater Than 90 Days and Still Accruing		150
FDIC-supported loans, net of discounts (InterBank)
Loans 30 to 59 Days Past Due	5,673
Loans 60 to 89 Days Past Due	1,052
Loans Over 90 Days Past Due	33,219
Loans Total Past Due	39,944
Loans Current	229,945
Total Loans Receivable	269,889
Total including FDIC-supported loans, net of discount
Loans 30 to 59 Days Past Due	28,473	24,415
Loans 60 to 89 Days Past Due	4,295	9,775
Loans Over 90 Days Past Due	109,033	93,010
Loans Total Past Due	141,801	127,200
Loans Current	2,346,261	2,144,343
Total Loans Receivable	2,488,062	2,271,543
Total Loans Greater Than 90 Days and Still Accruing	633	561
Less FDIC-supported loans, net of discounts
Loans 30 to 59 Days Past Due	12,631	8,612
Loans 60 to 89 Days Past Due	1,545	7,770
Loans Over 90 Days Past Due	83,682	65,513
Loans Total Past Due	97,858	81,895
Loans Current	466,905	314,642
Total Loans Receivable	564,763	396,537
Total Loans Greater Than 90 Days and Still Accruing	1	155
Total loans by aging
Loans 30 to 59 Days Past Due	15,842	15,803
Loans 60 to 89 Days Past Due	2,750	2,005
Loans Over 90 Days Past Due	25,351	27,497
Loans Total Past Due	43,943	45,305
Loans Current	1,879,356	1,829,701
Total Loans Receivable	1,923,299	1,875,006
Total Loans Greater Than 90 Days and Still Accruing	$ 632	$ 406