NOTE 6: LOANS AND ALLOWANCE FOR LOAN LOSSES: Schedule of Loans Classified by Aging Analysis (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Financing Receivables, 30 to 59 Days Past Due \| Automobile Loan
Financing Receivables, By Class	$ 2,674	$ 5,196
Financing Receivables, 30 to 59 Days Past Due \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	684	250
Financing Receivables, 30 to 59 Days Past Due \| Subdivision Construction
Financing Receivables, By Class	146	0
Financing Receivables, 30 to 59 Days Past Due \| Land Development
Financing Receivables, By Class	19	54
Financing Receivables, 30 to 59 Days Past Due \| Commercial Construction
Financing Receivables, By Class	0	0
Financing Receivables, 30 to 59 Days Past Due \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	2,052	1,927
Financing Receivables, 30 to 59 Days Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	298	947
Financing Receivables, 30 to 59 Days Past Due \| Commercial Real Estate
Financing Receivables, By Class	3,460	8,346
Financing Receivables, 30 to 59 Days Past Due \| Other Residential
Financing Receivables, By Class	412	540
Financing Receivables, 30 to 59 Days Past Due \| Commercial Business
Financing Receivables, By Class	800	2,623
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	619	464
Financing Receivables, 30 to 59 Days Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	145	58
Financing Receivables, 30 to 59 Days Past Due \| Acquired Loans Net of Discount
Financing Receivables, By Class	3,514	4,449
Financing Receivables, 30 to 59 Days Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	14,823	24,854
Financing Receivables, 30 to 59 Days Past Due \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	3,514	4,449
Financing Receivables, 30 to 59 Days Past Due \| Loans Receivable
Financing Receivables, By Class	11,309	20,405
Financing Receivables, 60 to 89 Days Past Due \| Automobile Loan
Financing Receivables, By Class	535	1,230
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	113	37
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	12	71
Financing Receivables, 60 to 89 Days Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	2,110	190
Financing Receivables, 60 to 89 Days Past Due \| Commercial Real Estate
Financing Receivables, By Class	567	993
Financing Receivables, 60 to 89 Days Past Due \| Other Residential
Financing Receivables, By Class	0	353
Financing Receivables, 60 to 89 Days Past Due \| Commercial Business
Financing Receivables, By Class	612	1,282
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	131	64
Financing Receivables, 60 to 89 Days Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	76	0
Financing Receivables, 60 to 89 Days Past Due \| Acquired Loans Net of Discount
Financing Receivables, By Class	612	1,951
Financing Receivables, 60 to 89 Days Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	4,768	6,171
Financing Receivables, 60 to 89 Days Past Due \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	612	1,951
Financing Receivables, 60 to 89 Days Past Due \| Loans Receivable
Financing Receivables, By Class	4,156	4,220
Financing Receivables, Equal to Greater than 90 Days Past Due \| Automobile Loan
Financing Receivables, By Class	1,950	2,284
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	96	98
Financing Receivables, Equal to Greater than 90 Days Past Due \| Land Development
Financing Receivables, By Class	0	0
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	804	904
Financing Receivables, Equal to Greater than 90 Days Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	1,980	1,816
Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial Real Estate
Financing Receivables, By Class	360	1,226
Financing Receivables, Equal to Greater than 90 Days Past Due \| Other Residential
Financing Receivables, By Class	0	1,877
Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial Business
Financing Receivables, By Class	3,260	2,063
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	541	557
Financing Receivables, Equal to Greater than 90 Days Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	345	430
Financing Receivables, Equal to Greater than 90 Days Past Due \| Acquired Loans Net of Discount
Financing Receivables, By Class	8,859	10,675
Financing Receivables, Equal to Greater than 90 Days Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	18,195	21,930
Financing Receivables, Equal to Greater than 90 Days Past Due \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	8,859	10,675
Financing Receivables, Equal to Greater than 90 Days Past Due \| Loans Receivable
Financing Receivables, By Class	9,336	11,255
Financing Receivables Past Due \| Automobile Loan
Financing Receivables, By Class	5,159	8,710
Financing Receivables Past Due \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	684	250
Financing Receivables Past Due \| Subdivision Construction
Financing Receivables, By Class	242	98
Financing Receivables Past Due \| Land Development
Financing Receivables, By Class	132	91
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	2,868	2,902
Financing Receivables Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	4,388	2,953
Financing Receivables Past Due \| Commercial Real Estate
Financing Receivables, By Class	4,387	10,565
Financing Receivables Past Due \| Other Residential
Financing Receivables, By Class	412	2,770
Financing Receivables Past Due \| Commercial Business
Financing Receivables, By Class	4,672	5,968
Financing Receivables Past Due \| Industrial Revenue Bonds
Financing Receivables, By Class	0	0
Financing Receivables Past Due \| Consumer Loan
Financing Receivables, By Class	1,291	1,085
Financing Receivables Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	566	488
Financing Receivables Past Due \| Acquired Loans Net of Discount
Financing Receivables, By Class	12,985	17,075
Financing Receivables Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	37,786	52,955
Financing Receivables Past Due \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	12,985	17,075
Financing Receivables Past Due \| Loans Receivable
Financing Receivables, By Class	24,801	35,880
Financing Receivables Current \| Automobile Loan
Financing Receivables, By Class	317,993	348,432
Financing Receivables Current \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	23,937	20,543
Financing Receivables Current \| Subdivision Construction
Financing Receivables, By Class	15,825	17,964
Financing Receivables Current \| Land Development
Financing Receivables, By Class	45,808	43,880
Financing Receivables Current \| Commercial Construction
Financing Receivables, By Class	1,126,007	1,068,352
Financing Receivables Current \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	199,207	187,613
Financing Receivables Current \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	113,186	116,515
Financing Receivables Current \| Commercial Real Estate
Financing Receivables, By Class	1,288,739	1,224,764
Financing Receivables Current \| Other Residential
Financing Receivables, By Class	736,267	742,875
Financing Receivables Current \| Commercial Business
Financing Receivables, By Class	347,217	347,383
Financing Receivables Current \| Industrial Revenue Bonds
Financing Receivables, By Class	21,031	21,859
Financing Receivables Current \| Consumer Loan
Financing Receivables, By Class	59,270	62,283
Financing Receivables Current \| Home Equity Line of Credit
Financing Receivables, By Class	114,276	114,951
Financing Receivables Current \| Acquired Loans Net of Discount
Financing Receivables, By Class	184,521	192,594
Financing Receivables Current \| Loans Receivable, Gross
Financing Receivables, By Class	4,593,284	4,510,008
Financing Receivables Current \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	184,521	192,594
Financing Receivables Current \| Loans Receivable
Financing Receivables, By Class	4,408,763	4,317,414
Financing Receivables, Total \| Automobile Loan
Financing Receivables, By Class	323,152	357,142
Financing Receivables, Total \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	24,621	20,793
Financing Receivables, Total \| Subdivision Construction
Financing Receivables, By Class	16,067	18,062
Financing Receivables, Total \| Land Development
Financing Receivables, By Class	45,940	43,971
Financing Receivables, Total \| Commercial Construction
Financing Receivables, By Class	1,126,007	1,068,352
Financing Receivables, Total \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	202,075	190,515
Financing Receivables, Total \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	117,574	119,468
Financing Receivables, Total \| Commercial Real Estate
Financing Receivables, By Class	1,293,126	1,235,329
Financing Receivables, Total \| Other Residential
Financing Receivables, By Class	736,679	745,645
Financing Receivables, Total \| Commercial Business
Financing Receivables, By Class	351,889	353,351
Financing Receivables, Total \| Industrial Revenue Bonds
Financing Receivables, By Class	21,031	21,859
Financing Receivables, Total \| Consumer Loan
Financing Receivables, By Class	60,561	63,368
Financing Receivables, Total \| Home Equity Line of Credit
Financing Receivables, By Class	114,842	115,439
Financing Receivables, Total \| Acquired Loans Net of Discount
Financing Receivables, By Class	197,506	209,669
Financing Receivables, Total \| Loans Receivable, Gross
Financing Receivables, By Class	4,631,070	4,562,963
Financing Receivables, Total \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	197,506	209,669
Financing Receivables, Total \| Loans Receivable
Financing Receivables, By Class	4,433,564	4,353,294
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Automobile Loan
Financing Receivables, By Class	0	12
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	58
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	26
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Acquired Loans Net of Discount
Financing Receivables, By Class	0	272
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Loans Receivable, Gross
Financing Receivables, By Class	0	368
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	0	272
Financing Receivables Greater Than 90 Days Past Due and Still Accruing \| Loans Receivable
Financing Receivables, By Class	$ 0	$ 96

NOTE 6: LOANS AND ALLOWANCE FOR LOAN LOSSES: Schedule of Loans Classified by Aging Analysis (Details) - USD ($)
$ in Thousands

Mar. 31, 2018

Dec. 31, 2017

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

Financing Receivables, By Class

$ 2,674

$ 5,196

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

Financing Receivables, By Class

684

250

Financing Receivables, 30 to 59 Days Past Due | Subdivision Construction