Note 6: Loans and Allowance For Loan Losses: Schedule of Loans Classified by Aging Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Financing Receivables, 30 to 59 Days Past Due | Consumer Loan
Financing Receivables, By Class	$ 618	$ 943
Financing Receivables, 30 to 59 Days Past Due | Automobile Loan
Financing Receivables, By Class	2,969	3,351
Financing Receivables, 30 to 59 Days Past Due | One-to-Four-Family Residential Construction
Financing Receivables, By Class		649
Financing Receivables, 30 to 59 Days Past Due | Land Development
Financing Receivables, By Class	6	2,245
Financing Receivables, 30 to 59 Days Past Due | Commercial Construction
Financing Receivables, By Class		1
Financing Receivables, 30 to 59 Days Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	45	1,217
Financing Receivables, 30 to 59 Days Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	67
Financing Receivables, 30 to 59 Days Past Due | Commercial Real Estate
Financing Receivables, By Class	4,087	1,035
Financing Receivables, 30 to 59 Days Past Due | Commercial Business
Financing Receivables, By Class	25	1,020
Financing Receivables, 30 to 59 Days Past Due | Home Equity Line of Credit
Financing Receivables, By Class	152	212
Financing Receivables, 30 to 59 Days Past Due | Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class	678	7,936
Financing Receivables, 30 to 59 Days Past Due | Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	132	989
Financing Receivables, 30 to 59 Days Past Due | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	770	1,081
Financing Receivables, 30 to 59 Days Past Due | Loans Receivable, Gross
Financing Receivables, By Class	9,549	20,679
Financing Receivables, 30 to 59 Days Past Due | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	1,580	10,006
Financing Receivables, 30 to 59 Days Past Due | Loans Receivable
Financing Receivables, By Class	7,969	10,673
Financing Receivables, 60 to 89 Days Past Due | Consumer Loan
Financing Receivables, By Class	176	236
Financing Receivables, 60 to 89 Days Past Due | Automobile Loan
Financing Receivables, By Class	1,067	891
Financing Receivables, 60 to 89 Days Past Due | Land Development
Financing Receivables, By Class	1,675	148
Financing Receivables, 60 to 89 Days Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	200	345
Financing Receivables, 60 to 89 Days Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	173
Financing Receivables, 60 to 89 Days Past Due | Commercial Real Estate
Financing Receivables, By Class	2,512	471
Financing Receivables, 60 to 89 Days Past Due | Commercial Business
Financing Receivables, By Class	160	9
Financing Receivables, 60 to 89 Days Past Due | Home Equity Line of Credit
Financing Receivables, By Class	108	123
Financing Receivables, 60 to 89 Days Past Due | Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class	1,388	603
Financing Receivables, 60 to 89 Days Past Due | Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	1,394	39
Financing Receivables, 60 to 89 Days Past Due | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	307	638
Financing Receivables, 60 to 89 Days Past Due | Loans Receivable, Gross
Financing Receivables, By Class	9,160	3,503
Financing Receivables, 60 to 89 Days Past Due | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	3,089	1,280
Financing Receivables, 60 to 89 Days Past Due | Loans Receivable
Financing Receivables, By Class	6,071	2,223
Financing Receivables, Equal to Greater than 90 Days Past Due | Consumer Loan
Financing Receivables, By Class	535	576
Financing Receivables, Equal to Greater than 90 Days Past Due | Automobile Loan
Financing Receivables, By Class	1,055	721
Financing Receivables, Equal to Greater than 90 Days Past Due | Subdivision Construction
Financing Receivables, By Class	109
Financing Receivables, Equal to Greater than 90 Days Past Due | Land Development
Financing Receivables, By Class	100	139
Financing Receivables, Equal to Greater than 90 Days Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	998	715
Financing Receivables, Equal to Greater than 90 Days Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	380	345
Financing Receivables, Equal to Greater than 90 Days Past Due | Commercial Real Estate
Financing Receivables, By Class	2,288	13,488
Financing Receivables, Equal to Greater than 90 Days Past Due | Commercial Business
Financing Receivables, By Class	3	288
Financing Receivables, Equal to Greater than 90 Days Past Due | Home Equity Line of Credit
Financing Receivables, By Class	340	297
Financing Receivables, Equal to Greater than 90 Days Past Due | Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class	8,743	9,712
Financing Receivables, Equal to Greater than 90 Days Past Due | Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	1,038	33
Financing Receivables, Equal to Greater than 90 Days Past Due | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	4,839	5,914
Financing Receivables, Equal to Greater than 90 Days Past Due | Loans Receivable, Gross
Financing Receivables, By Class	20,428	32,228
Financing Receivables, Equal to Greater than 90 Days Past Due | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	14,620	15,659
Financing Receivables, Equal to Greater than 90 Days Past Due | Loans Receivable
Financing Receivables, By Class	5,808	16,569
Financing Receivables Past Due | Consumer Loan
Financing Receivables, By Class	1,329	1,755
Financing Receivables Past Due | Automobile Loan
Financing Receivables, By Class	5,091	4,963
Financing Receivables Past Due | One-to-Four-Family Residential Construction
Financing Receivables, By Class		649
Financing Receivables Past Due | Subdivision Construction
Financing Receivables, By Class	109
Financing Receivables Past Due | Land Development
Financing Receivables, By Class	1,781	2,532
Financing Receivables Past Due | Commercial Construction
Financing Receivables, By Class		1
Financing Receivables Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	1,243	2,277
Financing Receivables Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	620	345
Financing Receivables Past Due | Commercial Real Estate
Financing Receivables, By Class	8,887	14,994
Financing Receivables Past Due | Commercial Business
Financing Receivables, By Class	188	1,317
Financing Receivables Past Due | Home Equity Line of Credit
Financing Receivables, By Class	600	632
Financing Receivables Past Due | Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class	10,809	18,251
Financing Receivables Past Due | Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	2,564	1,061
Financing Receivables Past Due | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	5,916	7,633
Financing Receivables Past Due | Loans Receivable, Gross
Financing Receivables, By Class	39,137	56,410
Financing Receivables Past Due | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	19,289	26,945
Financing Receivables Past Due | Loans Receivable
Financing Receivables, By Class	19,848	29,465
Financing Receivables Current | Consumer Loan
Financing Receivables, By Class	70,656	73,074
Financing Receivables Current | Automobile Loan
Financing Receivables, By Class	480,124	434,932
Financing Receivables Current | One-to-Four-Family Residential Construction
Financing Receivables, By Class	28,631	22,877
Financing Receivables Current | Subdivision Construction
Financing Receivables, By Class	18,362	38,504
Financing Receivables Current | Land Development
Financing Receivables, By Class	56,452	55,908
Financing Receivables Current | Commercial Construction
Financing Receivables, By Class	710,926	600,793
Financing Receivables Current | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	218,555	108,000
Financing Receivables Current | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	145,783	149,529
Financing Receivables Current | Commercial Real Estate
Financing Receivables, By Class	1,144,721	1,028,480
Financing Receivables Current | Other Residential
Financing Receivables, By Class	521,691	419,549
Financing Receivables Current | Commercial Business
Financing Receivables, By Class	366,137	356,263
Financing Receivables Current | Industrial Revenue Bonds
Financing Receivables, By Class	34,342	37,362
Financing Receivables Current | Home Equity Line of Credit
Financing Receivables, By Class	101,911	83,334
Financing Receivables Current | Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class	142,497	217,820
Financing Receivables Current | Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	82,636	32,277
Financing Receivables Current | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	778,103	85,803
Financing Receivables Current | Loans Receivable, Gross
Financing Receivables, By Class	4,201,527	3,744,505
Financing Receivables Current | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	303,236	335,900
Financing Receivables Current | Loans Receivable
Financing Receivables, By Class	3,898,291	3,408,605
Financing Receivables, Total | Consumer Loan
Financing Receivables, By Class	71,985	74,829
Financing Receivables, Total | Automobile Loan
Financing Receivables, By Class	485,215	439,895
Financing Receivables, Total | One-to-Four-Family Residential Construction
Financing Receivables, By Class	28,631	23,526
Financing Receivables, Total | Subdivision Construction
Financing Receivables, By Class	18,471	38,504
Financing Receivables, Total | Land Development
Financing Receivables, By Class	58,233	58,440
Financing Receivables, Total | Commercial Construction
Financing Receivables, By Class	710,926	600,794
Financing Receivables, Total | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	219,798	110,277
Financing Receivables, Total | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	146,403	149,874
Financing Receivables, Total | Commercial Real Estate
Financing Receivables, By Class	1,153,608	1,043,474
Financing Receivables, Total | Other Residential
Financing Receivables, By Class	521,691	419,549
Financing Receivables, Total | Commercial Business
Financing Receivables, By Class	366,325	357,580
Financing Receivables, Total | Industrial Revenue Bonds
Financing Receivables, By Class	34,342	37,362
Financing Receivables, Total | Home Equity Line of Credit
Financing Receivables, By Class	102,511	83,966
Financing Receivables, Total | Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class	153,306	236,071
Financing Receivables, Total | Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	85,200	33,338
Financing Receivables, Total | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	84,019	93,436
Financing Receivables, Total | Loans Receivable, Gross
Financing Receivables, By Class	4,240,664	3,800,915
Financing Receivables, Total | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	322,525	362,845
Financing Receivables, Total | Loans Receivable
Financing Receivables, By Class	3,918,139	$ 3,438,070
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Home Equity Line of Credit
Financing Receivables, By Class	$ 4