Note 6: Loans and Allowance For Loan Losses: Schedule of Loans Classified by Aging Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivables, 30 to 59 Days Past Due \| Automobile Loan
Financing Receivables, By Class	$ 4,701	$ 8,252
Financing Receivables, 30 to 59 Days Past Due \| Land Development
Financing Receivables, By Class		413
Financing Receivables, 30 to 59 Days Past Due \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	215	1,760
Financing Receivables, 30 to 59 Days Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class		309
Financing Receivables, 30 to 59 Days Past Due \| Commercial Real Estate
Financing Receivables, By Class		1,969
Financing Receivables, 30 to 59 Days Past Due \| Other Residential
Financing Receivables, By Class	425	4,632
Financing Receivables, 30 to 59 Days Past Due \| Commercial Business
Financing Receivables, By Class	293	1,741
Financing Receivables, 30 to 59 Days Past Due \| Consumer Loan
Financing Receivables, By Class	488	1,103
Financing Receivables, 30 to 59 Days Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	30	136
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	1,226	1,356
Financing Receivables, 30 to 59 Days Past Due \| Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	669	851
Financing Receivables, 30 to 59 Days Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	8,047	26,998
Financing Receivables, 30 to 59 Days Past Due \| Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	1,895	6,683
Financing Receivables, 30 to 59 Days Past Due \| Loans Receivable
Financing Receivables, By Class	6,152	20,315
Financing Receivables, 30 to 59 Days Past Due \| Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		4,476
Financing Receivables, 60 to 89 Days Past Due \| Automobile Loan
Financing Receivables, By Class	1,522	2,451
Financing Receivables, 60 to 89 Days Past Due \| Land Development
Financing Receivables, By Class	547	584
Financing Receivables, 60 to 89 Days Past Due \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	244	388
Financing Receivables, 60 to 89 Days Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	250	278
Financing Receivables, 60 to 89 Days Past Due \| Commercial Real Estate
Financing Receivables, By Class	4,025	1,988
Financing Receivables, 60 to 89 Days Past Due \| Commercial Business
Financing Receivables, By Class		24
Financing Receivables, 60 to 89 Days Past Due \| Consumer Loan
Financing Receivables, By Class	211	278
Financing Receivables, 60 to 89 Days Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	318	158
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	1,356	552
Financing Receivables, 60 to 89 Days Past Due \| Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	5	173
Financing Receivables, 60 to 89 Days Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	8,478	8,075
Financing Receivables, 60 to 89 Days Past Due \| Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	1,361	1,926
Financing Receivables, 60 to 89 Days Past Due \| Loans Receivable
Financing Receivables, By Class	7,117	6,149
Financing Receivables, 60 to 89 Days Past Due \| Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		1,201
Financing Receivables, Equal to Greater than 90 Days Past Due \| Automobile Loan
Financing Receivables, By Class	2,092	1,989
Financing Receivables, Equal to Greater than 90 Days Past Due \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	379
Financing Receivables, Equal to Greater than 90 Days Past Due \| Subdivision Construction
Financing Receivables, By Class	105	109
Financing Receivables, Equal to Greater than 90 Days Past Due \| Land Development
Financing Receivables, By Class	139	1,718
Financing Receivables, Equal to Greater than 90 Days Past Due \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	986	1,125
Financing Receivables, Equal to Greater than 90 Days Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	516	404
Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial Real Estate
Financing Receivables, By Class	2,554	4,404
Financing Receivables, Equal to Greater than 90 Days Past Due \| Other Residential
Financing Receivables, By Class	162	162
Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial Business
Financing Receivables, By Class	5,388	3,088
Financing Receivables, Equal to Greater than 90 Days Past Due \| Consumer Loan
Financing Receivables, By Class	729	649
Financing Receivables, Equal to Greater than 90 Days Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	214	433
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	7,740	1,401
Financing Receivables, Equal to Greater than 90 Days Past Due \| Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	1,719	2,854
Financing Receivables, Equal to Greater than 90 Days Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	22,723	26,562
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	9,459	12,481
Financing Receivables, Equal to Greater than 90 Days Past Due \| Loans Receivable
Financing Receivables, By Class	13,264	14,081
Financing Receivables, Equal to Greater than 90 Days Past Due \| Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		8,226
Financing Receivables Past Due \| Automobile Loan
Financing Receivables, By Class	8,315	12,692
Financing Receivables Past Due \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	379
Financing Receivables Past Due \| Subdivision Construction
Financing Receivables, By Class	105	109
Financing Receivables Past Due \| Land Development
Financing Receivables, By Class	686	2,715
Financing Receivables Past Due \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	1,445	3,273
Financing Receivables Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	766	991
Financing Receivables Past Due \| Commercial Real Estate
Financing Receivables, By Class	6,579	8,361
Financing Receivables Past Due \| Other Residential
Financing Receivables, By Class	587	4,794
Financing Receivables Past Due \| Commercial Business
Financing Receivables, By Class	5,681	4,853
Financing Receivables Past Due \| Consumer Loan
Financing Receivables, By Class	1,428	2,030
Financing Receivables Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	562	727
Financing Receivables Past Due \| Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	10,322	3,309
Financing Receivables Past Due \| Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	2,393	3,878
Financing Receivables Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	39,248	61,635
Financing Receivables Past Due \| Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	12,715	21,090
Financing Receivables Past Due \| Loans Receivable
Financing Receivables, By Class	26,533	40,545
Financing Receivables Past Due \| Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		13,903
Financing Receivables Current \| Automobile Loan
Financing Receivables, By Class	421,031	481,541
Financing Receivables Current \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	20,913	21,737
Financing Receivables Current \| Subdivision Construction
Financing Receivables, By Class	18,925	17,077
Financing Receivables Current \| Land Development
Financing Receivables, By Class	48,418	47,909
Financing Receivables Current \| Commercial Construction
Financing Receivables, By Class	949,034	780,614
Financing Receivables Current \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	185,186	197,067
Financing Receivables Current \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	126,258	135,933
Financing Receivables Current \| Commercial Real Estate
Financing Receivables, By Class	1,212,803	1,178,545
Financing Receivables Current \| Other Residential
Financing Receivables, By Class	684,226	658,584
Financing Receivables Current \| Commercial Business
Financing Receivables, By Class	342,612	343,775
Financing Receivables Current \| Industrial Revenue Bonds
Financing Receivables, By Class	23,193	25,065
Financing Receivables Current \| Consumer Loan
Financing Receivables, By Class	64,485	67,971
Financing Receivables Current \| Home Equity Line of Credit
Financing Receivables, By Class	107,665	108,026
Financing Receivables Current \| Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	167,464	69,260
Financing Receivables Current \| Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	63,034	72,356
Financing Receivables Current \| Loans Receivable, Gross
Financing Receivables, By Class	4,435,247	4,325,913
Financing Receivables Current \| Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	230,498	262,069
Financing Receivables Current \| Loans Receivable
Financing Receivables, By Class	4,204,749	4,063,844
Financing Receivables Current \| Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		120,453
Financing Receivables, Total \| Automobile Loan
Financing Receivables, By Class	429,346	494,233
Financing Receivables, Total \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	21,292	21,737
Financing Receivables, Total \| Subdivision Construction
Financing Receivables, By Class	19,030	17,186
Financing Receivables, Total \| Land Development
Financing Receivables, By Class	49,104	50,624
Financing Receivables, Total \| Commercial Construction
Financing Receivables, By Class	949,034	780,614
Financing Receivables, Total \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	186,631	200,340
Financing Receivables, Total \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	127,024	136,924
Financing Receivables, Total \| Commercial Real Estate
Financing Receivables, By Class	1,219,382	1,186,906
Financing Receivables, Total \| Other Residential
Financing Receivables, By Class	684,813	663,378
Financing Receivables, Total \| Commercial Business
Financing Receivables, By Class	348,293	348,628
Financing Receivables, Total \| Industrial Revenue Bonds
Financing Receivables, By Class	23,193	25,065
Financing Receivables, Total \| Consumer Loan
Financing Receivables, By Class	65,913	70,001
Financing Receivables, Total \| Home Equity Line of Credit
Financing Receivables, By Class	108,227	108,753
Financing Receivables, Total \| Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	177,786	72,569
Financing Receivables, Total \| Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	65,427	76,234
Financing Receivables, Total \| Loans Receivable, Gross
Financing Receivables, By Class	4,474,495	4,387,548
Financing Receivables, Total \| Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class	243,213	283,159
Financing Receivables, Total \| Loans Receivable
Financing Receivables, By Class	4,231,282	4,104,389
Financing Receivables, Total \| Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		134,356
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Automobile Loan
Financing Receivables, By Class	18
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Home Equity Line of Credit
Financing Receivables, By Class	16
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class		222
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Loans Receivable, Gross
Financing Receivables, By Class	34	523
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class		523
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Loans Receivable
Financing Receivables, By Class	$ 34
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		$ 301

Note 6: Loans and Allowance For Loan Losses: Schedule of Loans Classified by Aging Analysis (Details) - USD ($)
$ in Thousands

Jun. 30, 2017

Dec. 31, 2016

Financing Receivables, 30 to 59 Days Past Due | Automobile Loan

Financing Receivables, By Class

$ 4,701

$ 8,252

Financing Receivables, 30 to 59 Days Past Due | Land Development

Financing Receivables, By Class

413

Financing Receivables, 30 to 59 Days Past Due | Owner Occupied One-to-Four-Family Residential

Financing Receivables, By Class