NOTE 6: LOANS AND ALLOWANCE FOR LOAN LOSSES: Schedule of Loans Classified by Aging Analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Financing Receivables, 30 to 59 Days Past Due | Automobile Loan
Financing Receivables, By Class	$ 4,736	$ 8,252
Financing Receivables, 30 to 59 Days Past Due | One-to-Four-Family Residential Construction
Financing Receivables, By Class	0	0
Financing Receivables, 30 to 59 Days Past Due | Subdivision Construction
Financing Receivables, By Class	0	0
Financing Receivables, 30 to 59 Days Past Due | Land Development
Financing Receivables, By Class	41	413
Financing Receivables, 30 to 59 Days Past Due | Commercial Construction
Financing Receivables, By Class	15	0
Financing Receivables, 30 to 59 Days Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	362	1,760
Financing Receivables, 30 to 59 Days Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	0	309
Financing Receivables, 30 to 59 Days Past Due | Commercial Real Estate
Financing Receivables, By Class	4,154	1,969
Financing Receivables, 30 to 59 Days Past Due | Other Residential
Financing Receivables, By Class	0	4,632
Financing Receivables, 30 to 59 Days Past Due | Commercial Business
Financing Receivables, By Class	80	1,741
Financing Receivables, 30 to 59 Days Past Due | Industrial Revenue Bonds
Financing Receivables, By Class	0	0
Financing Receivables, 30 to 59 Days Past Due | Consumer Loan
Financing Receivables, By Class	409	1,103
Financing Receivables, 30 to 59 Days Past Due | Home Equity Line of Credit
Financing Receivables, By Class	338	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	715	1,356
Financing Receivables, 30 to 59 Days Past Due | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	503	851
Financing Receivables, 30 to 59 Days Past Due | Loans Receivable, Gross
Financing Receivables, By Class	11,353	26,998
Financing Receivables, 30 to 59 Days Past Due | Less FDIC-assisted acquired loans, net of discounts
Financing Receivables, By Class	1,218
Financing Receivables, 30 to 59 Days Past Due | Loans Receivable
Financing Receivables, By Class	10,135	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, 30 to 59 Days Past Due | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class		6,683
Financing Receivables, 60 to 89 Days Past Due | Automobile Loan
Financing Receivables, By Class	1,301	2,451
Financing Receivables, 60 to 89 Days Past Due | One-to-Four-Family Residential Construction
Financing Receivables, By Class	0	0
Financing Receivables, 60 to 89 Days Past Due | Subdivision Construction
Financing Receivables, By Class	0	0
Financing Receivables, 60 to 89 Days Past Due | Land Development
Financing Receivables, By Class	0	584
Financing Receivables, 60 to 89 Days Past Due | Commercial Construction
Financing Receivables, By Class	0	0
Financing Receivables, 60 to 89 Days Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	238	388
Financing Receivables, 60 to 89 Days Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	0	278
Financing Receivables, 60 to 89 Days Past Due | Commercial Real Estate
Financing Receivables, By Class	2,167	1,988
Financing Receivables, 60 to 89 Days Past Due | Other Residential
Financing Receivables, By Class	0	0
Financing Receivables, 60 to 89 Days Past Due | Commercial Business
Financing Receivables, By Class	1,494	24
Financing Receivables, 60 to 89 Days Past Due | Industrial Revenue Bonds
Financing Receivables, By Class	0	0
Financing Receivables, 60 to 89 Days Past Due | Consumer Loan
Financing Receivables, By Class	119	278
Financing Receivables, 60 to 89 Days Past Due | Home Equity Line of Credit
Financing Receivables, By Class	25	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	1,016	552
Financing Receivables, 60 to 89 Days Past Due | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	57	173
Financing Receivables, 60 to 89 Days Past Due | Loans Receivable, Gross
Financing Receivables, By Class	6,417	8,075
Financing Receivables, 60 to 89 Days Past Due | Less FDIC-assisted acquired loans, net of discounts
Financing Receivables, By Class	1,073
Financing Receivables, 60 to 89 Days Past Due | Loans Receivable
Financing Receivables, By Class	5,344	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, 60 to 89 Days Past Due | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class		1,926
Financing Receivables, Equal to Greater than 90 Days Past Due | Automobile Loan
Financing Receivables, By Class	2,425	1,989
Financing Receivables, Equal to Greater than 90 Days Past Due | One-to-Four-Family Residential Construction
Financing Receivables, By Class	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due | Subdivision Construction
Financing Receivables, By Class	102	109
Financing Receivables, Equal to Greater than 90 Days Past Due | Land Development
Financing Receivables, By Class	34	1,718
Financing Receivables, Equal to Greater than 90 Days Past Due | Commercial Construction
Financing Receivables, By Class	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	916	1,125
Financing Receivables, Equal to Greater than 90 Days Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	1,840	404
Financing Receivables, Equal to Greater than 90 Days Past Due | Commercial Real Estate
Financing Receivables, By Class	568	4,404
Financing Receivables, Equal to Greater than 90 Days Past Due | Other Residential
Financing Receivables, By Class	77	162
Financing Receivables, Equal to Greater than 90 Days Past Due | Commercial Business
Financing Receivables, By Class	2,180	3,088
Financing Receivables, Equal to Greater than 90 Days Past Due | Industrial Revenue Bonds
Financing Receivables, By Class	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due | Consumer Loan
Financing Receivables, By Class	809	649
Financing Receivables, Equal to Greater than 90 Days Past Due | Home Equity Line of Credit
Financing Receivables, By Class	508	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	1,984	1,401
Financing Receivables, Equal to Greater than 90 Days Past Due | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	2,731	2,854
Financing Receivables, Equal to Greater than 90 Days Past Due | Loans Receivable, Gross
Financing Receivables, By Class	14,174	26,562
Financing Receivables, Equal to Greater than 90 Days Past Due | Less FDIC-assisted acquired loans, net of discounts
Financing Receivables, By Class	4,715
Financing Receivables, Equal to Greater than 90 Days Past Due | Loans Receivable
Financing Receivables, By Class	9,459	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, Equal to Greater than 90 Days Past Due | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class		12,481
Financing Receivables Past Due | Automobile Loan
Financing Receivables, By Class	8,462	12,692
Financing Receivables Past Due | One-to-Four-Family Residential Construction
Financing Receivables, By Class	0	0
Financing Receivables Past Due | Subdivision Construction
Financing Receivables, By Class	102	109
Financing Receivables Past Due | Land Development
Financing Receivables, By Class	75	2,715
Financing Receivables Past Due | Commercial Construction
Financing Receivables, By Class	15	0
Financing Receivables Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	1,516	3,273
Financing Receivables Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	1,840	991
Financing Receivables Past Due | Commercial Real Estate
Financing Receivables, By Class	6,889	8,361
Financing Receivables Past Due | Other Residential
Financing Receivables, By Class	77	4,794
Financing Receivables Past Due | Commercial Business
Financing Receivables, By Class	3,754	4,853
Financing Receivables Past Due | Industrial Revenue Bonds
Financing Receivables, By Class	0	0
Financing Receivables Past Due | Consumer Loan
Financing Receivables, By Class	1,337	2,030
Financing Receivables Past Due | Home Equity Line of Credit
Financing Receivables, By Class	871	727
Financing Receivables Past Due | Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	3,715	3,309
Financing Receivables Past Due | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	3,291	3,878
Financing Receivables Past Due | Loans Receivable, Gross
Financing Receivables, By Class	31,944	61,635
Financing Receivables Past Due | Less FDIC-assisted acquired loans, net of discounts
Financing Receivables, By Class	7,006
Financing Receivables Past Due | Loans Receivable
Financing Receivables, By Class	24,938	40,545
Financing Receivables Past Due | Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		13,903
Financing Receivables Past Due | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class		21,090
Financing Receivables Current | Automobile Loan
Financing Receivables, By Class	385,862	481,541
Financing Receivables Current | One-to-Four-Family Residential Construction
Financing Receivables, By Class	20,059	21,737
Financing Receivables Current | Subdivision Construction
Financing Receivables, By Class	17,736	17,077
Financing Receivables Current | Land Development
Financing Receivables, By Class	45,265	47,909
Financing Receivables Current | Commercial Construction
Financing Receivables, By Class	984,314	780,614
Financing Receivables Current | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	188,309	197,067
Financing Receivables Current | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	121,622	135,933
Financing Receivables Current | Commercial Real Estate
Financing Receivables, By Class	1,228,608	1,178,545
Financing Receivables Current | Other Residential
Financing Receivables, By Class	762,380	658,584
Financing Receivables Current | Commercial Business
Financing Receivables, By Class	360,284	343,775
Financing Receivables Current | Industrial Revenue Bonds
Financing Receivables, By Class	22,614	25,065
Financing Receivables Current | Consumer Loan
Financing Receivables, By Class	62,406	67,971
Financing Receivables Current | Home Equity Line of Credit
Financing Receivables, By Class	109,366	108,026
Financing Receivables Current | Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	161,917	69,260
Financing Receivables Current | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	58,229	72,356
Financing Receivables Current | Loans Receivable, Gross
Financing Receivables, By Class	4,528,971	4,325,913
Financing Receivables Current | Less FDIC-assisted acquired loans, net of discounts
Financing Receivables, By Class	220,146
Financing Receivables Current | Loans Receivable
Financing Receivables, By Class	4,308,825	4,063,844
Financing Receivables Current | Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		120,453
Financing Receivables Current | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class		262,069
Financing Receivables, Total | Automobile Loan
Financing Receivables, By Class	394,324	494,233
Financing Receivables, Total | One-to-Four-Family Residential Construction
Financing Receivables, By Class	20,059	21,737
Financing Receivables, Total | Subdivision Construction
Financing Receivables, By Class	17,838	17,186
Financing Receivables, Total | Land Development
Financing Receivables, By Class	45,340	50,624
Financing Receivables, Total | Commercial Construction
Financing Receivables, By Class	984,329	780,614
Financing Receivables, Total | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	189,825	200,340
Financing Receivables, Total | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	123,462	136,924
Financing Receivables, Total | Commercial Real Estate
Financing Receivables, By Class	1,235,497	1,186,906
Financing Receivables, Total | Other Residential
Financing Receivables, By Class	762,457	663,378
Financing Receivables, Total | Commercial Business
Financing Receivables, By Class	364,038	348,628
Financing Receivables, Total | Industrial Revenue Bonds
Financing Receivables, By Class	22,614	25,065
Financing Receivables, Total | Consumer Loan
Financing Receivables, By Class	63,743	70,001
Financing Receivables, Total | Home Equity Line of Credit
Financing Receivables, By Class	110,237	108,753
Financing Receivables, Total | Acquired Loans No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Financing Receivables, By Class	165,632	72,569
Financing Receivables, Total | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	61,520	76,234
Financing Receivables, Total | Loans Receivable, Gross
Financing Receivables, By Class	4,560,915	4,387,548
Financing Receivables, Total | Less FDIC-assisted acquired loans, net of discounts
Financing Receivables, By Class	227,152
Financing Receivables, Total | Loans Receivable
Financing Receivables, By Class	4,333,763	4,104,389
Financing Receivables, Total | Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		134,356
Financing Receivables, Total | Less FDIC Supported Loans and Acquired Not Covered Loans Net Of Discounts
Financing Receivables, By Class		283,159
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Automobile Loan
Financing Receivables, By Class	13	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | One-to-Four-Family Residential Construction
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Subdivision Construction
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Land Development
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Commercial Construction
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Commercial Real Estate
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Other Residential
Financing Receivables, By Class	77	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Commercial Business
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Industrial Revenue Bonds
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Consumer Loan
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Home Equity Line of Credit
Financing Receivables, By Class	16	0
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	0	222
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Acquired Non-Covered Loans Net of Discounts
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Loans Receivable, Gross
Financing Receivables, By Class	106	523
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Less FDIC-assisted acquired loans, net of discounts
Financing Receivables, By Class	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Loans Receivable
Financing Receivables, By Class	$ 106	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Acquired FDIC Covered Loans Net of Discount
Financing Receivables, By Class		301
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