NOTE 6: LOANS AND ALLOWANCE FOR LOAN LOSSES: Schedule of Loans Classified by Aging Analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Financial Asset, 30 to 59 Days Past Due | Automobile Loan
Financing Receivables, By Class	$ 1,408	$ 2,596
Financial Asset, 30 to 59 Days Past Due | One-to-Four-Family Residential Construction
Financing Receivables, By Class	250	0
Financial Asset, 30 to 59 Days Past Due | Subdivision Construction
Financing Receivables, By Class	0	0
Financial Asset, 30 to 59 Days Past Due | Land Development
Financing Receivables, By Class	0	13
Financial Asset, 30 to 59 Days Past Due | Commercial Construction
Financing Receivables, By Class	0	0
Financial Asset, 30 to 59 Days Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	556	1,431
Financial Asset, 30 to 59 Days Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	0	1,142
Financial Asset, 30 to 59 Days Past Due | Commercial Real Estate
Financing Receivables, By Class	498	3,940
Financial Asset, 30 to 59 Days Past Due | Other Residential
Financing Receivables, By Class	9,319	0
Financial Asset, 30 to 59 Days Past Due | Commercial Business
Financing Receivables, By Class	23	72
Financial Asset, 30 to 59 Days Past Due | Industrial Revenue Bonds
Financing Receivables, By Class	0	3
Financial Asset, 30 to 59 Days Past Due | Consumer Loan
Financing Receivables, By Class	341	691
Financial Asset, 30 to 59 Days Past Due | Home Equity Line of Credit
Financing Receivables, By Class	303	229
Financial Asset, 30 to 59 Days Past Due | Acquired Loans Net of Discount
Financing Receivables, By Class	642	2,195
Financial Asset, 30 to 59 Days Past Due | Loans Receivable, Gross
Financing Receivables, By Class	13,340	12,312
Financial Asset, 30 to 59 Days Past Due | Less: Acquired Loans Net of Discount
Financing Receivables, By Class	642	2,195
Financial Asset, 30 to 59 Days Past Due | Loans Receivable
Financing Receivables, By Class	12,698	10,117
Financial Asset, 60 to 89 Days Past Due | Automobile Loan
Financing Receivables, By Class	366	722
Financial Asset, 60 to 89 Days Past Due | One-to-Four-Family Residential Construction
Financing Receivables, By Class	0	0
Financial Asset, 60 to 89 Days Past Due | Subdivision Construction
Financing Receivables, By Class	0	0
Financial Asset, 60 to 89 Days Past Due | Land Development
Financing Receivables, By Class	28	0
Financial Asset, 60 to 89 Days Past Due | Commercial Construction
Financing Receivables, By Class	0	0
Financial Asset, 60 to 89 Days Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	55	806
Financial Asset, 60 to 89 Days Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	56	144
Financial Asset, 60 to 89 Days Past Due | Commercial Real Estate
Financing Receivables, By Class	91	53
Financial Asset, 60 to 89 Days Past Due | Other Residential
Financing Receivables, By Class	0	0
Financial Asset, 60 to 89 Days Past Due | Commercial Business
Financing Receivables, By Class	11	54
Financial Asset, 60 to 89 Days Past Due | Industrial Revenue Bonds
Financing Receivables, By Class	0	0
Financial Asset, 60 to 89 Days Past Due | Consumer Loan
Financing Receivables, By Class	93	181
Financial Asset, 60 to 89 Days Past Due | Home Equity Line of Credit
Financing Receivables, By Class	0	0
Financial Asset, 60 to 89 Days Past Due | Acquired Loans Net of Discount
Financing Receivables, By Class	291	1,416
Financial Asset, 60 to 89 Days Past Due | Loans Receivable, Gross
Financing Receivables, By Class	991	3,376
Financial Asset, 60 to 89 Days Past Due | Less: Acquired Loans Net of Discount
Financing Receivables, By Class	291	1,416
Financial Asset, 60 to 89 Days Past Due | Loans Receivable
Financing Receivables, By Class	700	1,960
Financial Asset, Equal to or Greater than 90 Days Past Due | Automobile Loan
Financing Receivables, By Class	513	1,490
Financial Asset, Equal to or Greater than 90 Days Past Due | One-to-Four-Family Residential Construction
Financing Receivables, By Class	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Subdivision Construction
Financing Receivables, By Class	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Land Development
Financing Receivables, By Class	83	49
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Construction
Financing Receivables, By Class	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	913	1,206
Financial Asset, Equal to or Greater than 90 Days Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	566	1,458
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate
Financing Receivables, By Class	637	334
Financial Asset, Equal to or Greater than 90 Days Past Due | Other Residential
Financing Receivables, By Class	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Business
Financing Receivables, By Class	1,245	1,437
Financial Asset, Equal to or Greater than 90 Days Past Due | Industrial Revenue Bonds
Financing Receivables, By Class	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer Loan
Financing Receivables, By Class	178	240
Financial Asset, Equal to or Greater than 90 Days Past Due | Home Equity Line of Credit
Financing Receivables, By Class	531	86
Financial Asset, Equal to or Greater than 90 Days Past Due | Acquired Loans Net of Discount
Financing Receivables, By Class	6,413	6,827
Financial Asset, Equal to or Greater than 90 Days Past Due | Loans Receivable, Gross
Financing Receivables, By Class	11,079	13,127
Financial Asset, Equal to or Greater than 90 Days Past Due | Less: Acquired Loans Net of Discount
Financing Receivables, By Class	6,413	6,827
Financial Asset, Equal to or Greater than 90 Days Past Due | Loans Receivable
Financing Receivables, By Class	4,666	6,300
Financing Receivables Past Due | Automobile Loan
Financing Receivables, By Class	2,287	4,808
Financing Receivables Past Due | One-to-Four-Family Residential Construction
Financing Receivables, By Class	250	0
Financing Receivables Past Due | Subdivision Construction
Financing Receivables, By Class	0	0
Financing Receivables Past Due | Land Development
Financing Receivables, By Class	111	62
Financing Receivables Past Due | Commercial Construction
Financing Receivables, By Class	0	0
Financing Receivables Past Due | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	1,524	3,443
Financing Receivables Past Due | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	622	2,744
Financing Receivables Past Due | Commercial Real Estate
Financing Receivables, By Class	1,226	4,327
Financing Receivables Past Due | Other Residential
Financing Receivables, By Class	9,319	0
Financing Receivables Past Due | Commercial Business
Financing Receivables, By Class	1,279	1,563
Financing Receivables Past Due | Industrial Revenue Bonds
Financing Receivables, By Class	0	3
Financing Receivables Past Due | Consumer Loan
Financing Receivables, By Class	612	1,112
Financing Receivables Past Due | Home Equity Line of Credit
Financing Receivables, By Class	834	315
Financing Receivables Past Due | Acquired Loans Net of Discount
Financing Receivables, By Class	7,346	10,438
Financing Receivables Past Due | Loans Receivable, Gross
Financing Receivables, By Class	25,410	28,815
Financing Receivables Past Due | Less: Acquired Loans Net of Discount
Financing Receivables, By Class	7,346	10,438
Financing Receivables Past Due | Loans Receivable
Financing Receivables, By Class	18,064	18,377
Financing Receivables Current | Automobile Loan
Financing Receivables, By Class	172,423	248,720
Financing Receivables Current | One-to-Four-Family Residential Construction
Financing Receivables, By Class	34,903	26,177
Financing Receivables Current | Subdivision Construction
Financing Receivables, By Class	16,326	13,844
Financing Receivables Current | Land Development
Financing Receivables, By Class	38,788	44,430
Financing Receivables Current | Commercial Construction
Financing Receivables, By Class	1,335,827	1,417,166
Financing Receivables Current | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	343,574	273,423
Financing Receivables Current | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	121,667	119,694
Financing Receivables Current | Commercial Real Estate
Financing Receivables, By Class	1,493,395	1,367,108
Financing Receivables Current | Other Residential
Financing Receivables, By Class	831,768	784,894
Financing Receivables Current | Commercial Business
Financing Receivables, By Class	303,954	320,555
Financing Receivables Current | Industrial Revenue Bonds
Financing Receivables, By Class	13,350	13,937
Financing Receivables Current | Consumer Loan
Financing Receivables, By Class	48,011	56,238
Financing Receivables Current | Home Equity Line of Credit
Financing Receivables, By Class	118,871	121,037
Financing Receivables Current | Acquired Loans Net of Discount
Financing Receivables, By Class	134,753	157,213
Financing Receivables Current | Loans Receivable, Gross
Financing Receivables, By Class	5,007,610	4,964,436
Financing Receivables Current | Less: Acquired Loans Net of Discount
Financing Receivables, By Class	134,753	157,213
Financing Receivables Current | Loans Receivable
Financing Receivables, By Class	4,872,857	4,807,223
Financing Receivables, Total | Automobile Loan
Financing Receivables, By Class	174,710	253,528
Financing Receivables, Total | One-to-Four-Family Residential Construction
Financing Receivables, By Class	35,153	26,177
Financing Receivables, Total | Subdivision Construction
Financing Receivables, By Class	16,326	13,844
Financing Receivables, Total | Land Development
Financing Receivables, By Class	38,899	44,492
Financing Receivables, Total | Commercial Construction
Financing Receivables, By Class	1,335,827	1,417,166
Financing Receivables, Total | Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	345,098	276,866
Financing Receivables, Total | Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	122,289	122,438
Financing Receivables, Total | Commercial Real Estate
Financing Receivables, By Class	1,494,621	1,371,435
Financing Receivables, Total | Other Residential
Financing Receivables, By Class	841,087	784,894
Financing Receivables, Total | Commercial Business
Financing Receivables, By Class	305,233	322,118
Financing Receivables, Total | Industrial Revenue Bonds
Financing Receivables, By Class	13,350	13,940
Financing Receivables, Total | Consumer Loan
Financing Receivables, By Class	48,623	57,350
Financing Receivables, Total | Home Equity Line of Credit
Financing Receivables, By Class	119,705	121,352
Financing Receivables, Total | Acquired Loans Net of Discount
Financing Receivables, By Class	142,099	167,651
Financing Receivables, Total | Loans Receivable, Gross
Financing Receivables, By Class	5,033,020	4,993,251
Financing Receivables, Total | Less: Acquired Loans Net of Discount
Financing Receivables, By Class	142,099	167,651
Financing Receivables, Total | Loans Receivable
Financing Receivables, By Class	4,890,921	4,825,600
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Automobile Loan
Financing Receivables, By Class	0	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	0	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	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Acquired Loans Net of Discount
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Loans Receivable, Gross
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Less: Acquired Loans Net of Discount
Financing Receivables, By Class	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Loans Receivable
Financing Receivables, By Class	$ 0	$ 0