LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Loans held for investment by years of origination) (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	$ 214,844
2019	54,654
2018	50,185
2017	20,194
2016	16,621
Prior	14,172
Revolving Loans	50,600
Total	421,270
Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	27,315
2019	73,636
2018	11,162
2017	2,148
2016	0
Prior	0
Revolving Loans	3,533
Total	117,794
Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	95,717
2019	118,866
2018	154,182
2017	102,513
2016	53,779
Prior	115,869
Revolving Loans	21,508
Total	662,434
Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	53,682
2019	84,055
2018	59,102
2017	49,973
2016	24,428
Prior	80,589
Revolving Loans	6,885
Total	358,714
Real Estate - Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	1,558
2019	398
2018	277
2017	861
2016	200
Prior	2,804
Revolving Loans	188,381
Total	194,479
Real Estate - Home Equity [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	1,558
2019	378
2018	252
2017	780
2016	200
Prior	2,780
Revolving Loans	187,703
Total	193,651
Real Estate - Home Equity [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	0
2019	20
2018	25
2017	81
2016	0
Prior	24
Revolving Loans	678
Total	828
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	46,790
2019	89,297
2018	67,867
2017	35,130
2016	16,967
Prior	6,220
Revolving Loans	5,215
Total	267,486
Consumer [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	46,790
2019	89,192
2018	67,729
2017	35,130
2016	16,947
Prior	6,200
Revolving Loans	5,215
Total	267,203
Consumer [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	0
2019	105
2018	138
2017	0
2016	20
Prior	20
Revolving Loans	0
Total	283
Pass [Member] | Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	214,844
2019	54,639
2018	49,571
2017	19,873
2016	16,582
Prior	14,016
Revolving Loans	50,597
Total	420,122
Pass [Member] | Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	27,315
2019	73,360
2018	11,162
2017	2,148
2016	0
Prior	0
Revolving Loans	3,533
Total	117,518
Pass [Member] | Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	89,447
2019	118,464
2018	148,746
2017	99,444
2016	53,748
Prior	106,278
Revolving Loans	21,014
Total	637,141
Pass [Member] | Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	53,539
2019	82,903
2018	57,856
2017	49,232
2016	23,327
Prior	77,875
Revolving Loans	6,800
Total	351,532
Special Mention [Member] | Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	0
2019	4
2018	61
2017	9
2016	0
Prior	64
Revolving Loans	0
Total	138
Special Mention [Member] | Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	6,116
2019	123
2018	5,141
2017	216
2016	0
Prior	6,494
Revolving Loans	0
Total	18,090
Special Mention [Member] | Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	143
2019	26
2018	128
2017	178
2016	96
Prior	345
Revolving Loans	0
Total	916
Substandard [Member] | Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	0
2019	11
2018	553
2017	312
2016	39
Prior	92
Revolving Loans	3
Total	1,010
Substandard [Member] | Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	0
2019	276
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Total	276
Substandard [Member] | Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	154
2019	279
2018	295
2017	2,853
2016	31
Prior	3,097
Revolving Loans	494
Total	7,203
Substandard [Member] | Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2020	0
2019	1,126
2018	1,118
2017	563
2016	1,005
Prior	2,369
Revolving Loans	85
Total	$ 6,266