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ALLOWANCE FOR LOAN LOSSES: (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Unpaid principal balance
With no related allowance recorded	$ 0	$ 0
TOTAL	10,516	10,283
Recorded Investment
With no related allowance recorded:	0	0
With an allowance recorded:	2,376	4,507
TOTAL	10,516	10,082
Allowance for loan losses
Allowance for Loan Losses Allocated	737	625
Average recorded investment
With no related allowance recorded:	23	0	$ 0
TOTAL	11,118	8,663	9,343
Interest Income Recognized
With no related allowance recorded:	0	0	0
TOTAL	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
TOTAL	0	0	0
Commercial & Industrial
Unpaid principal balance
With no related allowance recorded	589	802
With an allowance recorded	1,819	493
Recorded Investment
With no related allowance recorded:	589	802
With an allowance recorded:	1,819	493
Allowance for loan losses
Allowance for Loan Losses Allocated	593	146
Average recorded investment
With no related allowance recorded:	698	971	981
With an allowance recorded:	688	514	819
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	0	0	0
Farmland
Unpaid principal balance
With no related allowance recorded	2,022	930
With an allowance recorded	211	3,035
Recorded Investment
With no related allowance recorded:	2,022	930
With an allowance recorded:	211	3,035
Allowance for loan losses
Allowance for Loan Losses Allocated	44	268
Average recorded investment
With no related allowance recorded:	1,579	1,265	770
With an allowance recorded:	1,691	669	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	0	0	0
Non Farm, Non Residential
Unpaid principal balance
With no related allowance recorded	0	2,461
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded:	0	2,461
With an allowance recorded:	0	0
Allowance for loan losses
Allowance for Loan Losses Allocated	0	0
Average recorded investment
With no related allowance recorded:	1,443	2,781	3,096
With an allowance recorded:	0	131	1,016
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	0	0	0
Agriculture
Unpaid principal balance
With no related allowance recorded	0	123
With an allowance recorded	346	738
Recorded Investment
With no related allowance recorded:	0	123
With an allowance recorded:	346	537
Allowance for loan losses
Allowance for Loan Losses Allocated	100	205
Average recorded investment
With no related allowance recorded:	49	239	351
With an allowance recorded:	316	279	114
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	0	0	0
All Other Commercial
Unpaid principal balance
With no related allowance recorded	1,114	1,238
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded:	1,114	1,238
With an allowance recorded:	0	0
Allowance for loan losses
Allowance for Loan Losses Allocated	0	0
Average recorded investment
With no related allowance recorded:	1,172	1,308	1,477
With an allowance recorded:	0	0	45
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	0	0	0
First Liens
Unpaid principal balance
With no related allowance recorded	4,415	21
With an allowance recorded	0	442
Recorded Investment
With no related allowance recorded:	4,415	21
With an allowance recorded:	0	442
Allowance for loan losses
Allowance for Loan Losses Allocated	0	6
Average recorded investment
With no related allowance recorded:	3,371	23	27
With an allowance recorded:	88	483	647
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	0	0	0
Home Equity
Unpaid principal balance
With no related allowance recorded	0	0
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded:	0	0
With an allowance recorded:	0	0
Allowance for loan losses
Allowance for Loan Losses Allocated	0	0
Average recorded investment
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	0	0	0
Junior Liens
Unpaid principal balance
With an allowance recorded	0	0
Recorded Investment
With an allowance recorded:	0	0
Allowance for loan losses
Allowance for Loan Losses Allocated	0	0
Average recorded investment
With an allowance recorded:	0	0	0
Interest Income Recognized
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded:	0	0	0
Multifamily
Unpaid principal balance
With no related allowance recorded	0	0
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded:	0	0
With an allowance recorded:	0	0
Allowance for loan losses
Allowance for Loan Losses Allocated	0	0
Average recorded investment
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	0	0	0
All Other Residential
Unpaid principal balance
With no related allowance recorded	0	0
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded:	0	0
With an allowance recorded:	0	0
Allowance for loan losses
Allowance for Loan Losses Allocated	0	0
Average recorded investment
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	0	0	0
Motor Vehicle
Unpaid principal balance
With no related allowance recorded	0	0
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded:	0	0
With an allowance recorded:	0	0
Allowance for loan losses
Allowance for Loan Losses Allocated	0	0
Average recorded investment
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	0	0	0
All Other Consumer
Unpaid principal balance
With no related allowance recorded	0	0
With an allowance recorded	0	0
Recorded Investment
With no related allowance recorded:	0	0
With an allowance recorded:	0	0
Allowance for loan losses
Allowance for Loan Losses Allocated	0	0
Average recorded investment
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Interest Income Recognized
With no related allowance recorded:	0	0	0
With an allowance recorded:	0	0	0
Cash Basis Interest Income Recognized
With an allowance recorded:	0	0	0
With no related allowance recorded:	$ 0	$ 0	$ 0

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