LOANS, Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Allowance for credit losses [Roll Forward]
Beginning balance	$ 12,869	$ 12,746	$ 12,356	$ 12,822	$ 12,822
Provision for loan losses	800	0	1,450	0	0
Charge-offs	(43)	(8)	(197)	(165)	(779)
Recoveries	5	100	22	181	313
Net (charge-offs) recoveries	(38)	92	(175)	16	(466)
Ending balance	13,631	12,838	13,631	12,838	12,356
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	260	281	260	281	273
Loans collectively evaluated for impairment	13,371	12,557	13,371	12,557	12,083
Ending balance	13,631	12,838	13,631	12,838	12,356
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	19,025	4,878	19,025	4,878	4,475
Loans collectively evaluated for impairment	979,801	738,768	979,801	738,768	776,170
Ending balance	998,826	743,646	998,826	743,646	780,645
Commercial [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	2,606	2,499	2,354	3,198	3,198
Provision for loan losses	(230)	(191)	156	(759)	(415)
Charge-offs	(39)	0	(184)	(150)	(638)
Recoveries	1	64	12	83	209
Net (charge-offs) recoveries	(38)	64	(172)	(67)	(429)
Ending balance	2,338	2,372	2,338	2,372	2,354
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	19	32	19	32	26
Loans collectively evaluated for impairment	2,319	2,340	2,319	2,340	2,328
Ending balance	2,338	2,372	2,338	2,372	2,354
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	1,473	2,347	1,473	2,347	1,651
Loans collectively evaluated for impairment	332,845	108,695	332,845	108,695	104,489
Ending balance	334,318	111,042	334,318	111,042	106,140
Commercial Real Estate [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	7,406	6,386	6,846	5,890	5,890
Provision for loan losses	28	43	588	539	956
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Net (charge-offs) recoveries	0	0	0	0	0
Ending balance	7,434	6,429	7,434	6,429	6,846
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	0	20	0	20	19
Loans collectively evaluated for impairment	7,434	6,409	7,434	6,409	6,827
Ending balance	7,434	6,429	7,434	6,429	6,846
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	5,708	603	5,708	603	716
Loans collectively evaluated for impairment	453,790	421,460	453,790	421,460	451,058
Ending balance	459,498	422,063	459,498	422,063	451,774
Agriculture [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	1,788	1,834	2,054	1,632	1,632
Provision for loan losses	(133)	79	(399)	281	520
Charge-offs	0	0	0	0	(98)
Recoveries	0	0	0	0	0
Net (charge-offs) recoveries	0	0	0	0	(98)
Ending balance	1,655	1,913	1,655	1,913	2,054
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	0	0	0	0	0
Loans collectively evaluated for impairment	1,655	1,913	1,655	1,913	2,054
Ending balance	1,655	1,913	1,655	1,913	2,054
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	9,145	0	9,145	0	0
Loans collectively evaluated for impairment	87,185	109,440	87,185	109,440	115,751
Ending balance	96,330	109,440	96,330	109,440	115,751
Residential Mortgage [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	536	502	466	643	643
Provision for loan losses	4	(82)	74	(279)	(251)
Charge-offs	0	0	0	0	0
Recoveries	0	16	0	72	74
Net (charge-offs) recoveries	0	16	0	72	74
Ending balance	540	436	540	436	466
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	167	179	167	179	171
Loans collectively evaluated for impairment	373	257	373	257	295
Ending balance	540	436	540	436	466
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	1,067	1,015	1,067	1,015	1,084
Loans collectively evaluated for impairment	68,620	55,093	68,620	55,093	63,859
Ending balance	69,687	56,108	69,687	56,108	64,943
Residential Construction [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	260	217	201	318	318
Provision for loan losses	(15)	(41)	44	(143)	(138)
Charge-offs	0	0	0	0	0
Recoveries	0	20	0	21	21
Net (charge-offs) recoveries	0	20	0	21	21
Ending balance	245	196	245	196	201
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	73	48	73	48	56
Loans collectively evaluated for impairment	172	148	172	148	145
Ending balance	245	196	245	196	201
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	671	711	671	711	691
Loans collectively evaluated for impairment	15,298	14,818	15,298	14,818	14,521
Ending balance	15,969	15,529	15,969	15,529	15,212
Consumer [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	251	277	236	279	279
Provision for loan losses	(27)	(6)	(9)	(6)	(9)
Charge-offs	(4)	(8)	(13)	(15)	(43)
Recoveries	4	0	10	5	9
Net (charge-offs) recoveries	0	(8)	(3)	(10)	(34)
Ending balance	224	263	224	263	236
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	1	2	1	2	1
Loans collectively evaluated for impairment	223	261	223	261	235
Ending balance	224	263	224	263	236
Loans individually and collectively evaluated for impairment [Abstract]
Loans individually evaluated for impairment	961	202	961	202	333
Loans collectively evaluated for impairment	22,063	29,262	22,063	29,262	26,492
Ending balance	23,024	29,464	23,024	29,464	26,825
Unallocated [Member]
Allowance for credit losses [Roll Forward]
Beginning balance	22	1,031	199	862	862
Provision for loan losses	1,173	198	996	367	(663)
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0	0
Net (charge-offs) recoveries	0	0	0	0	0
Ending balance	1,195	1,229	1,195	1,229	199
Period-end amount allocated to [Abstract]
Loans individually evaluated for impairment	0	0	0	0	0
Loans collectively evaluated for impairment	1,195	1,229	1,195	1,229	199
Ending balance	$ 1,195	$ 1,229	$ 1,195	$ 1,229	$ 199