LOANS, ALLOWANCE FOR LOAN LOSSES AND IMPAIRED LOANS (Changes in the ALL by Loan Type) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Allowance for Loan Losses:
Beginning balance	$ 10,320
Provision	2,000	$ 1,225
Ending balance	11,835	8,707
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment	1,033	739
Amount of allowance for loan losses arising from loans collectively evaluated for impairment	10,802	7,968
Loans Receivable:
Total loans	1,189,425	1,026,436	$ 1,187,264
Ending balance: individually evaluated for impairment	29,048	27,312
Ending balance: collectively evaluated for impairment	1,160,377	999,124
Originated Loans
Allowance for Loan Losses:
Beginning balance	9,551	7,180
Charge-offs	(356)	(73)
Recoveries	25	19
Provision	1,630	1,020
Ending balance	10,850	8,146
Loans Receivable:
Total loans	789,856	667,480
Purchased credit impaired loans
Allowance for Loan Losses:
Ending balance	0	0
Loans Receivable:
Total loans	31,231	26,924
Other acquired loans
Allowance for Loan Losses:
Beginning balance	769	424
Charge-offs	(164)	(72)
Recoveries	10	4
Provision	370	205
Ending balance	985
Loans Receivable:
Total loans	368,338	332,032
Acquired Loans
Allowance for Loan Losses:
Ending balance	985	561
Loans Receivable:
Total loans	391,605		415,253
Commercial/Agriculture Real Estate
Allowance for Loan Losses:
Ending balance	7,942	5,189
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment	733	403
Amount of allowance for loan losses arising from loans collectively evaluated for impairment	7,209	4,786
Loans Receivable:
Total loans	802,469	585,857	773,240
Ending balance: individually evaluated for impairment	14,298	8,952
Ending balance: collectively evaluated for impairment	788,171	576,905
Commercial/Agriculture Real Estate | Originated Loans
Allowance for Loan Losses:
Beginning balance	6,205	4,019
Charge-offs	0	0
Recoveries	0	0
Provision	1,072	970
Ending balance	7,277	4,989
Loans Receivable:
Total loans	519,958	361,652
Commercial/Agriculture Real Estate | Purchased credit impaired loans
Allowance for Loan Losses:
Ending balance	0	0
Loans Receivable:
Total loans	25,452	19,674
Commercial/Agriculture Real Estate | Other acquired loans
Allowance for Loan Losses:
Beginning balance	526	183
Charge-offs	0	0
Recoveries	0	0
Provision	139	17
Ending balance	665
Loans Receivable:
Total loans	257,059	204,531
Commercial/Agriculture Real Estate | Acquired Loans
Allowance for Loan Losses:
Ending balance	665	200
Commercial/Agricultural Non-real Estate
Allowance for Loan Losses:
Ending balance	1,819	1,309
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment	92	32
Amount of allowance for loan losses arising from loans collectively evaluated for impairment	1,727	1,277
Loans Receivable:
Total loans	159,946	142,057	171,514
Ending balance: individually evaluated for impairment	5,754	9,971
Ending balance: collectively evaluated for impairment	154,192	132,086
Commercial/Agricultural Non-real Estate | Originated Loans
Allowance for Loan Losses:
Beginning balance	1,643	1,258
Charge-offs	(307)	0
Recoveries	0	0
Provision	323	14
Ending balance	1,659	1,272
Loans Receivable:
Total loans	107,949	93,550
Commercial/Agricultural Non-real Estate | Purchased credit impaired loans
Allowance for Loan Losses:
Ending balance	0	0
Loans Receivable:
Total loans	3,845	4,875
Commercial/Agricultural Non-real Estate | Other acquired loans
Allowance for Loan Losses:
Beginning balance	27	32
Charge-offs	(135)	0
Recoveries	0	0
Provision	268	5
Ending balance	160
Loans Receivable:
Total loans	48,152	43,632
Commercial/Agricultural Non-real Estate | Acquired Loans
Allowance for Loan Losses:
Ending balance	160	37
Residential Real Estate
Allowance for Loan Losses:
Ending balance	1,039	1,296
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment	181	268
Amount of allowance for loan losses arising from loans collectively evaluated for impairment	858	1,028
Loans Receivable:
Total loans	173,412	214,142	184,739
Ending balance: individually evaluated for impairment	8,500	7,998
Ending balance: collectively evaluated for impairment	164,912	206,144
Residential Real Estate | Originated Loans
Allowance for Loan Losses:
Beginning balance	879	1,048
Charge-offs	0	(10)
Recoveries	5	1
Provision	40	15
Ending balance	924	1,054
Loans Receivable:
Total loans	110,455	131,823
Residential Real Estate | Purchased credit impaired loans
Allowance for Loan Losses:
Ending balance	0	0
Loans Receivable:
Total loans	1,934	2,375
Residential Real Estate | Other acquired loans
Allowance for Loan Losses:
Beginning balance	163	205
Charge-offs	(27)	(57)
Recoveries	8	0
Provision	(29)	94
Ending balance	115
Loans Receivable:
Total loans	61,023	79,944
Residential Real Estate | Acquired Loans
Allowance for Loan Losses:
Ending balance	115	242
Consumer Non-real Estate
Allowance for Loan Losses:
Ending balance	575	635
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment	27	36
Amount of allowance for loan losses arising from loans collectively evaluated for impairment	548	599
Loans Receivable:
Total loans	53,598	84,380	$ 57,771
Ending balance: individually evaluated for impairment	496	391
Ending balance: collectively evaluated for impairment	53,102	83,989
Consumer Non-real Estate | Originated Loans
Allowance for Loan Losses:
Beginning balance	467	641
Charge-offs	(49)	(63)
Recoveries	20	18
Provision	92	(42)
Ending balance	530	554
Loans Receivable:
Total loans	51,494	80,455
Consumer Non-real Estate | Purchased credit impaired loans
Allowance for Loan Losses:
Ending balance	0	0
Loans Receivable:
Total loans	0	0
Consumer Non-real Estate | Other acquired loans
Allowance for Loan Losses:
Beginning balance	53	65
Charge-offs	(2)	(15)
Recoveries	2	4
Provision	(8)	27
Ending balance	45
Loans Receivable:
Total loans	2,104	3,925
Consumer Non-real Estate | Acquired Loans
Allowance for Loan Losses:
Ending balance	45	81
Unallocated
Allowance for Loan Losses:
Ending balance	460	278
Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract]
Amount of allowance for loan losses arising from loans individually evaluated for impairment	0	0
Amount of allowance for loan losses arising from loans collectively evaluated for impairment	460	278
Loans Receivable:
Total loans	0	0
Ending balance: individually evaluated for impairment	0	0
Ending balance: collectively evaluated for impairment	0	0
Unallocated | Originated Loans
Allowance for Loan Losses:
Beginning balance	357	214
Charge-offs	0	0
Recoveries	0	0
Provision	103	63
Ending balance	460	277
Loans Receivable:
Total loans	0	0
Unallocated | Purchased credit impaired loans
Allowance for Loan Losses:
Ending balance	0	0
Loans Receivable:
Total loans	0	0
Unallocated | Other acquired loans
Allowance for Loan Losses:
Beginning balance	0	(61)
Charge-offs	0	0
Recoveries	0	0
Provision	0	62
Ending balance	0
Loans Receivable:
Total loans	0	0
Unallocated | Acquired Loans
Allowance for Loan Losses:
Ending balance	$ 0	$ 1