ALLOWANCE FOR LOAN LOSSES: (Details 6) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Analysis of risk category of loans by class of loans
Total loans	$ 2,606,113	$ 2,652,530
Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans		597,709
Farmland
Analysis of risk category of loans by class of loans
Total loans		137,275
Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans		401,775
Agriculture
Analysis of risk category of loans by class of loans
Total loans		160,126
All Other Commercial
Analysis of risk category of loans by class of loans
Total loans		287,562
First Liens
Analysis of risk category of loans by class of loans
Total loans		383,912
Home Equity
Analysis of risk category of loans by class of loans
Total loans		70,842
Junior Liens
Analysis of risk category of loans by class of loans
Total loans		54,974
Multifamily
Analysis of risk category of loans by class of loans
Total loans		147,943
All Other Residential
Analysis of risk category of loans by class of loans
Total loans		24,406
Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans		354,198
All Other Consumer
Analysis of risk category of loans by class of loans
Total loans		31,808
Pass
Analysis of risk category of loans by class of loans
Total loans		1,821,763
Pass | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans		549,341
Pass | Farmland
Analysis of risk category of loans by class of loans
Total loans		119,858
Pass | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans		381,404
Pass | Agriculture
Analysis of risk category of loans by class of loans
Total loans		127,144
Pass | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans		283,266
Pass | First Liens
Analysis of risk category of loans by class of loans
Total loans		174,338
Pass | Home Equity
Analysis of risk category of loans by class of loans
Total loans		18,417
Pass | Junior Liens
Analysis of risk category of loans by class of loans
Total loans		2,839
Pass | Multifamily
Analysis of risk category of loans by class of loans
Total loans		146,497
Pass | All Other Residential
Analysis of risk category of loans by class of loans
Total loans		12,624
Pass | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans		2,880
Pass | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans		3,155
Special Mention
Analysis of risk category of loans by class of loans
Total loans		41,100
Special Mention | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans		19,253
Special Mention | Farmland
Analysis of risk category of loans by class of loans
Total loans		8,673
Special Mention | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans		4,424
Special Mention | Agriculture
Analysis of risk category of loans by class of loans
Total loans		4,507
Special Mention | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans		3,141
Special Mention | First Liens
Analysis of risk category of loans by class of loans
Total loans		926
Special Mention | Home Equity
Analysis of risk category of loans by class of loans
Total loans		0
Special Mention | Junior Liens
Analysis of risk category of loans by class of loans
Total loans		64
Special Mention | Multifamily
Analysis of risk category of loans by class of loans
Total loans		112
Special Mention | All Other Residential
Analysis of risk category of loans by class of loans
Total loans		0
Special Mention | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans		0
Special Mention | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans		0
Substandard
Analysis of risk category of loans by class of loans
Total loans		82,662
Substandard | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans		26,349
Substandard | Farmland
Analysis of risk category of loans by class of loans
Total loans		8,644
Substandard | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans		12,269
Substandard | Agriculture
Analysis of risk category of loans by class of loans
Total loans		27,490
Substandard | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans		1,120
Substandard | First Liens
Analysis of risk category of loans by class of loans
Total loans		4,382
Substandard | Home Equity
Analysis of risk category of loans by class of loans
Total loans		134
Substandard | Junior Liens
Analysis of risk category of loans by class of loans
Total loans		178
Substandard | Multifamily
Analysis of risk category of loans by class of loans
Total loans		1,315
Substandard | All Other Residential
Analysis of risk category of loans by class of loans
Total loans		205
Substandard | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans		538
Substandard | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans		38
Doubtful
Analysis of risk category of loans by class of loans
Total loans		92
Doubtful | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans		5
Doubtful | Farmland
Analysis of risk category of loans by class of loans
Total loans		0
Doubtful | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans		0
Doubtful | Agriculture
Analysis of risk category of loans by class of loans
Total loans		0
Doubtful | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans		0
Doubtful | First Liens
Analysis of risk category of loans by class of loans
Total loans		0
Doubtful | Home Equity
Analysis of risk category of loans by class of loans
Total loans		11
Doubtful | Junior Liens
Analysis of risk category of loans by class of loans
Total loans		76
Doubtful | Multifamily
Analysis of risk category of loans by class of loans
Total loans		0
Doubtful | All Other Residential
Analysis of risk category of loans by class of loans
Total loans		0
Doubtful | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans		0
Doubtful | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans		0
Not Rated
Analysis of risk category of loans by class of loans
Total loans		706,913
Not Rated | Commercial & Industrial
Analysis of risk category of loans by class of loans
Total loans		2,761
Not Rated | Farmland
Analysis of risk category of loans by class of loans
Total loans		100
Not Rated | Non Farm, Non Residential
Analysis of risk category of loans by class of loans
Total loans		3,678
Not Rated | Agriculture
Analysis of risk category of loans by class of loans
Total loans		985
Not Rated | All Other Commercial
Analysis of risk category of loans by class of loans
Total loans		35
Not Rated | First Liens
Analysis of risk category of loans by class of loans
Total loans		204,266
Not Rated | Home Equity
Analysis of risk category of loans by class of loans
Total loans		52,280
Not Rated | Junior Liens
Analysis of risk category of loans by class of loans
Total loans		51,817
Not Rated | Multifamily
Analysis of risk category of loans by class of loans
Total loans		19
Not Rated | All Other Residential
Analysis of risk category of loans by class of loans
Total loans		11,577
Not Rated | Motor Vehicle
Analysis of risk category of loans by class of loans
Total loans		350,780
Not Rated | All Other Consumer
Analysis of risk category of loans by class of loans
Total loans		$ 28,615