NOTE 6: LOANS AND ALLOWANCE FOR LOAN LOSSES: Schedule of Loans Classified by Aging Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Financing Receivables, 30 to 59 Days Past Due \| Automobile Loan
Financing Receivables, By Class	$ 2,876	$ 5,196
Financing Receivables, 30 to 59 Days Past Due \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	0	250
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	594	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	100	1,927
Financing Receivables, 30 to 59 Days Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	359	947
Financing Receivables, 30 to 59 Days Past Due \| Commercial Real Estate
Financing Receivables, By Class	6,267	8,346
Financing Receivables, 30 to 59 Days Past Due \| Other Residential
Financing Receivables, By Class	0	540
Financing Receivables, 30 to 59 Days Past Due \| Commercial Business
Financing Receivables, By Class	40	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	570	464
Financing Receivables, 30 to 59 Days Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	154	58
Financing Receivables, 30 to 59 Days Past Due \| Acquired Loans Net of Discount
Financing Receivables, By Class	868	4,449
Financing Receivables, 30 to 59 Days Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	11,828	24,854
Financing Receivables, 30 to 59 Days Past Due \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	868	4,449
Financing Receivables, 30 to 59 Days Past Due \| Loans Receivable
Financing Receivables, By Class	10,960	20,405
Financing Receivables, 60 to 89 Days Past Due \| Automobile Loan
Financing Receivables, By Class	437	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	0	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	267	71
Financing Receivables, 60 to 89 Days Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	479	190
Financing Receivables, 60 to 89 Days Past Due \| Commercial Real Estate
Financing Receivables, By Class	412	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	201	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	62	64
Financing Receivables, 60 to 89 Days Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	166	0
Financing Receivables, 60 to 89 Days Past Due \| Acquired Loans Net of Discount
Financing Receivables, By Class	1,067	1,951
Financing Receivables, 60 to 89 Days Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	3,091	6,171
Financing Receivables, 60 to 89 Days Past Due \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	1,067	1,951
Financing Receivables, 60 to 89 Days Past Due \| Loans Receivable
Financing Receivables, By Class	2,024	4,220
Financing Receivables, Equal to Greater than 90 Days Past Due \| Automobile Loan
Financing Receivables, By Class	1,482	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	91	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	848	904
Financing Receivables, Equal to Greater than 90 Days Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	1,743	1,816
Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial Real Estate
Financing Receivables, By Class	352	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	2,852	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	441	557
Financing Receivables, Equal to Greater than 90 Days Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	316	430
Financing Receivables, Equal to Greater than 90 Days Past Due \| Acquired Loans Net of Discount
Financing Receivables, By Class	6,876	10,675
Financing Receivables, Equal to Greater than 90 Days Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	15,001	21,930
Financing Receivables, Equal to Greater than 90 Days Past Due \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	6,876	10,675
Financing Receivables, Equal to Greater than 90 Days Past Due \| Loans Receivable
Financing Receivables, By Class	8,125	11,255
Financing Receivables Past Due \| Automobile Loan
Financing Receivables, By Class	4,795	8,710
Financing Receivables Past Due \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	0	250
Financing Receivables Past Due \| Subdivision Construction
Financing Receivables, By Class	91	98
Financing Receivables Past Due \| Land Development
Financing Receivables, By Class	594	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	1,215	2,902
Financing Receivables Past Due \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	2,581	2,953
Financing Receivables Past Due \| Commercial Real Estate
Financing Receivables, By Class	7,031	10,565
Financing Receivables Past Due \| Other Residential
Financing Receivables, By Class	0	2,770
Financing Receivables Past Due \| Commercial Business
Financing Receivables, By Class	3,093	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	1,073	1,085
Financing Receivables Past Due \| Home Equity Line of Credit
Financing Receivables, By Class	636	488
Financing Receivables Past Due \| Acquired Loans Net of Discount
Financing Receivables, By Class	8,811	17,075
Financing Receivables Past Due \| Loans Receivable, Gross
Financing Receivables, By Class	29,920	52,955
Financing Receivables Past Due \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	8,811	17,075
Financing Receivables Past Due \| Loans Receivable
Financing Receivables, By Class	21,109	35,880
Financing Receivables Current \| Automobile Loan
Financing Receivables, By Class	294,182	348,432
Financing Receivables Current \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	31,770	20,543
Financing Receivables Current \| Subdivision Construction
Financing Receivables, By Class	15,822	17,964
Financing Receivables Current \| Land Development
Financing Receivables, By Class	46,049	43,880
Financing Receivables Current \| Commercial Construction
Financing Receivables, By Class	1,258,564	1,068,352
Financing Receivables Current \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	226,996	187,613
Financing Receivables Current \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	109,835	116,515
Financing Receivables Current \| Commercial Real Estate
Financing Receivables, By Class	1,300,935	1,224,764
Financing Receivables Current \| Other Residential
Financing Receivables, By Class	785,202	742,875
Financing Receivables Current \| Commercial Business
Financing Receivables, By Class	344,219	347,383
Financing Receivables Current \| Industrial Revenue Bonds
Financing Receivables, By Class	20,021	21,859
Financing Receivables Current \| Consumer Loan
Financing Receivables, By Class	58,979	62,283
Financing Receivables Current \| Home Equity Line of Credit
Financing Receivables, By Class	114,106	114,951
Financing Receivables Current \| Acquired Loans Net of Discount
Financing Receivables, By Class	175,325	192,594
Financing Receivables Current \| Loans Receivable, Gross
Financing Receivables, By Class	4,782,005	4,510,008
Financing Receivables Current \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	175,325	192,594
Financing Receivables Current \| Loans Receivable
Financing Receivables, By Class	4,606,680	4,317,414
Financing Receivables, Total \| Automobile Loan
Financing Receivables, By Class	298,977	357,142
Financing Receivables, Total \| One-to-Four-Family Residential Construction
Financing Receivables, By Class	31,770	20,793
Financing Receivables, Total \| Subdivision Construction
Financing Receivables, By Class	15,913	18,062
Financing Receivables, Total \| Land Development
Financing Receivables, By Class	46,643	43,971
Financing Receivables, Total \| Commercial Construction
Financing Receivables, By Class	1,258,564	1,068,352
Financing Receivables, Total \| Owner Occupied One-to-Four-Family Residential
Financing Receivables, By Class	228,211	190,515
Financing Receivables, Total \| Non-Owner Occupied One To Four Family Residential
Financing Receivables, By Class	112,416	119,468
Financing Receivables, Total \| Commercial Real Estate
Financing Receivables, By Class	1,307,966	1,235,329
Financing Receivables, Total \| Other Residential
Financing Receivables, By Class	785,202	745,645
Financing Receivables, Total \| Commercial Business
Financing Receivables, By Class	347,312	353,351
Financing Receivables, Total \| Industrial Revenue Bonds
Financing Receivables, By Class	20,021	21,859
Financing Receivables, Total \| Consumer Loan
Financing Receivables, By Class	60,052	63,368
Financing Receivables, Total \| Home Equity Line of Credit
Financing Receivables, By Class	114,742	115,439
Financing Receivables, Total \| Acquired Loans Net of Discount
Financing Receivables, By Class	184,136	209,669
Financing Receivables, Total \| Loans Receivable, Gross
Financing Receivables, By Class	4,811,925	4,562,963
Financing Receivables, Total \| Less: Acquired Loans Net of Discount
Financing Receivables, By Class	184,136	209,669
Financing Receivables, Total \| Loans Receivable
Financing Receivables, By Class	4,627,789	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

Jun. 30, 2018

Dec. 31, 2017

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

Financing Receivables, By Class

$ 2,876

$ 5,196

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

Financing Receivables, By Class

250

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

Financing Receivables, By Class