Note 7: Loans and Allowance For Loan Losses: Schedule of Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
One- to four-family residential construction
Impaired Financing Receivable, Recorded Investment	$ 612	$ 873	$ 2,708
Impaired Financing Receivable, Unpaid Principal Balance	612	917	4,138
Impaired Financing Receivable, Related Allowance	283	12	358
Subdivision construction
Impaired Financing Receivable, Recorded Investment	3,204	12,999	12,159
Impaired Financing Receivable, Unpaid Principal Balance	4,854	14,730	16,992
Impaired Financing Receivable, Related Allowance	310	2,953	1,016
Land development
Impaired Financing Receivable, Recorded Investment	11,922	7,150	6,436
Impaired Financing Receivable, Unpaid Principal Balance	18,665	7,317	6,489
Impaired Financing Receivable, Related Allowance	755	594	985
Owner occupied one- to four-family residential
Impaired Financing Receivable, Recorded Investment	5,168	5,481	5,202
Impaired Financing Receivable, Unpaid Principal Balance	5,392	6,105	5,793
Impaired Financing Receivable, Related Allowance	493	776	792
Non-owner occupied one- to four-family residential
Impaired Financing Receivable, Recorded Investment	9,067	11,259	8,752
Impaired Financing Receivable, Unpaid Principal Balance	9,491	11,768	8,987
Impaired Financing Receivable, Related Allowance	615	1,249	945
Commercial real estate
Impaired Financing Receivable, Recorded Investment	49,052	49,961	52,567
Impaired Financing Receivable, Unpaid Principal Balance	49,921	55,233	53,533
Impaired Financing Receivable, Related Allowance	3,299	3,562	3,695
Other residential
Impaired Financing Receivable, Recorded Investment	18,517	12,102	8,286
Impaired Financing Receivable, Unpaid Principal Balance	19,781	12,102	9,259
Impaired Financing Receivable, Related Allowance	711	89	66
Commercial business
Impaired Financing Receivable, Recorded Investment	3,423	4,679	2,917
Impaired Financing Receivable, Unpaid Principal Balance	3,774	5,483	4,395
Impaired Financing Receivable, Related Allowance	1,541	736	451
Industrial revenue bonds
Impaired Financing Receivable, Recorded Investment	2,785	2,110	2,110
Impaired Financing Receivable, Unpaid Principal Balance	2,865	2,190	2,190
Impaired Financing Receivable, Related Allowance		22	22
Consumer auto
Impaired Financing Receivable, Recorded Investment	160	147	117
Impaired Financing Receivable, Unpaid Principal Balance	177	168	134
Impaired Financing Receivable, Related Allowance	25	3	3
Consumer other
Impaired Financing Receivable, Recorded Investment	781	579	432
Impaired Financing Receivable, Unpaid Principal Balance	837	680	536
Impaired Financing Receivable, Related Allowance	116	22	23
Home equity lines of credit
Impaired Financing Receivable, Recorded Investment	177	174	197
Impaired Financing Receivable, Unpaid Principal Balance	177	184	208
Impaired Financing Receivable, Related Allowance	36	12	12
Total loans
Impaired Financing Receivable, Recorded Investment	104,868	107,514	101,883
Impaired Financing Receivable, Unpaid Principal Balance	116,546	116,877	112,654
Impaired Financing Receivable, Related Allowance	$ 8,184	$ 10,030	$ 8,368