Note 3: Loans and Allowance For Loan Losses: Schedule of Financing Receivable Credit Quality Indicators (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Satisfactory | One To Four Family Residential Construction
Loan Portfolio Internal Grading System Classification	$ 34,364	$ 28,662
Satisfactory | Subdivision Construction
Loan Portfolio Internal Grading System Classification	36,524	31,156
Satisfactory | Land Development
Loan Portfolio Internal Grading System Classification	45,606	47,388
Satisfactory | Commercial Construction
Loan Portfolio Internal Grading System Classification	184,019	150,515
Satisfactory | Owner Occupied One To Four Family Residential
Loan Portfolio Internal Grading System Classification	84,931	79,411
Satisfactory | Non-Owner Occupied One To Four Family Residential
Loan Portfolio Internal Grading System Classification	137,003	132,073
Satisfactory | Commercial Real Estate
Loan Portfolio Internal Grading System Classification	727,668	619,387
Satisfactory | Other Residential
Loan Portfolio Internal Grading System Classification	311,320	252,238
Satisfactory | Commercial Business
Loan Portfolio Internal Grading System Classification	307,540	253,165
Satisfactory | Industrial Revenue Bonds
Loan Portfolio Internal Grading System Classification	39,532	40,977
Satisfactory | Consumer Loans Auto Financing Receivable
Loan Portfolio Internal Grading System Classification	134,516	82,467
Satisfactory | Consumer Other Financing Receivable
Loan Portfolio Internal Grading System Classification	81,769	83,250
Satisfactory | Home Equity Line of Credit
Loan Portfolio Internal Grading System Classification	57,713	52,076
Satisfactory | FDIC Supported Loans Net Of Discounts TeamBank
Loan Portfolio Internal Grading System Classification	49,702	77,568
Satisfactory | FDIC Supported Loans Net Of Discounts Vantus Bank
Loan Portfolio Internal Grading System Classification	57,290	95,281
Satisfactory | FDIC Supported Loans Net Of Discounts Sun Security Bank
Loan Portfolio Internal Grading System Classification	63,360	91,519
Satisfactory | FDIC Supported Loans Net Of Discounts InterBank
Loan Portfolio Internal Grading System Classification	213,539	259,210
Satisfactory | Loans Receivable
Loan Portfolio Internal Grading System Classification	2,566,396	2,376,343
Watch | One To Four Family Residential Construction
Loan Portfolio Internal Grading System Classification	298
Watch | Subdivision Construction
Loan Portfolio Internal Grading System Classification	706	2,993
Watch | Land Development
Loan Portfolio Internal Grading System Classification	1,148	3,887
Watch | Owner Occupied One To Four Family Residential
Loan Portfolio Internal Grading System Classification	503	792
Watch | Non-Owner Occupied One To Four Family Residential
Loan Portfolio Internal Grading System Classification	6,718	7,884
Watch | Commercial Real Estate
Loan Portfolio Internal Grading System Classification	37,937	42,753
Watch | Other Residential
Loan Portfolio Internal Grading System Classification	12,323	6,793
Watch | Commercial Business
Loan Portfolio Internal Grading System Classification	1,803	4,286
Watch | Industrial Revenue Bonds
Loan Portfolio Internal Grading System Classification	675	675
Watch | Consumer Other Financing Receivable
Loan Portfolio Internal Grading System Classification	6
Watch | Loans Receivable
Loan Portfolio Internal Grading System Classification	62,117	70,063
Special Mention | Home Equity Line of Credit
Loan Portfolio Internal Grading System Classification		1,913
Special Mention | Loans Receivable
Loan Portfolio Internal Grading System Classification		1,913
Substandard | One To Four Family Residential Construction
Loan Portfolio Internal Grading System Classification		409
Substandard | Subdivision Construction
Loan Portfolio Internal Grading System Classification	3,179	1,656
Substandard | Land Development
Loan Portfolio Internal Grading System Classification	11,087	11,284
Substandard | Owner Occupied One To Four Family Residential
Loan Portfolio Internal Grading System Classification	3,699	3,656
Substandard | Non-Owner Occupied One To Four Family Residential
Loan Portfolio Internal Grading System Classification	2,187	5,501
Substandard | Commercial Real Estate
Loan Portfolio Internal Grading System Classification	15,085	30,237
Substandard | Other Residential
Loan Portfolio Internal Grading System Classification	1,956	8,487
Substandard | Commercial Business
Loan Portfolio Internal Grading System Classification	3,528	6,180
Substandard | Industrial Revenue Bonds
Loan Portfolio Internal Grading System Classification	2,023	2,110
Substandard | Consumer Loans Auto Financing Receivable
Loan Portfolio Internal Grading System Classification	201	143
Substandard | Consumer Other Financing Receivable
Loan Portfolio Internal Grading System Classification	485	565
Substandard | Home Equity Line of Credit
Loan Portfolio Internal Grading System Classification	570	236
Substandard | FDIC Supported Loans Net Of Discounts TeamBank
Loan Portfolio Internal Grading System Classification	160	47
Substandard | FDIC Supported Loans Net Of Discounts Vantus Bank
Loan Portfolio Internal Grading System Classification	630	202
Substandard | FDIC Supported Loans Net Of Discounts Sun Security Bank
Loan Portfolio Internal Grading System Classification	1,483
Substandard | FDIC Supported Loans Net Of Discounts InterBank
Loan Portfolio Internal Grading System Classification		22
Substandard | Loans Receivable
Loan Portfolio Internal Grading System Classification	46,273	70,735
Doubtful | Commercial Business
Loan Portfolio Internal Grading System Classification	2,398	1,000
Doubtful | Loans Receivable
Loan Portfolio Internal Grading System Classification	2,398	1,000
Total For Portfolio | One To Four Family Residential Construction
Loan Portfolio Internal Grading System Classification	34,662	29,071
Total For Portfolio | Subdivision Construction
Loan Portfolio Internal Grading System Classification	40,409	35,805
Total For Portfolio | Land Development
Loan Portfolio Internal Grading System Classification	57,841	62,559
Total For Portfolio | Commercial Construction
Loan Portfolio Internal Grading System Classification	184,019	150,515
Total For Portfolio | Owner Occupied One To Four Family Residential
Loan Portfolio Internal Grading System Classification	89,133	83,859
Total For Portfolio | Non-Owner Occupied One To Four Family Residential
Loan Portfolio Internal Grading System Classification	145,908	145,458
Total For Portfolio | Commercial Real Estate
Loan Portfolio Internal Grading System Classification	780,690	692,377
Total For Portfolio | Other Residential
Loan Portfolio Internal Grading System Classification	325,599	267,518
Total For Portfolio | Commercial Business
Loan Portfolio Internal Grading System Classification	315,269	264,631
Total For Portfolio | Industrial Revenue Bonds
Loan Portfolio Internal Grading System Classification	42,230	43,762
Total For Portfolio | Consumer Loans Auto Financing Receivable
Loan Portfolio Internal Grading System Classification	134,717	82,610
Total For Portfolio | Consumer Other Financing Receivable
Loan Portfolio Internal Grading System Classification	82,260	83,815
Total For Portfolio | Home Equity Line of Credit
Loan Portfolio Internal Grading System Classification	58,283	54,225
Total For Portfolio | FDIC Supported Loans Net Of Discounts TeamBank
Loan Portfolio Internal Grading System Classification	49,862	77,615
Total For Portfolio | FDIC Supported Loans Net Of Discounts Vantus Bank
Loan Portfolio Internal Grading System Classification	57,920	95,483
Total For Portfolio | FDIC Supported Loans Net Of Discounts Sun Security Bank
Loan Portfolio Internal Grading System Classification	64,843	91,519
Total For Portfolio | FDIC Supported Loans Net Of Discounts InterBank
Loan Portfolio Internal Grading System Classification	213,539	259,232
Total For Portfolio | Loans Receivable
Loan Portfolio Internal Grading System Classification	$ 2,677,184	$ 2,520,054