LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Loans held for investment by years of origination) (Details) $ in Thousands	Jun. 30, 2021 USD ($)
Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	$ 96,217
2020	56,477
2019	37,468
2018	24,872
2017	11,548
Prior	17,730
Revolving Loans	48,641
Total	292,953
Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	41,898
2020	79,437
2019	23,854
2018	488
2017	134
Prior	0
Revolving Loans	4,073
Total	149,884
Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	109,808
2020	155,752
2019	106,690
2018	128,137
2017	72,781
Prior	112,069
Revolving Loans	22,362
Total	707,599
Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	84,522
2020	78,663
2019	53,583
2018	35,865
2017	32,590
Prior	75,228
Revolving Loans	8,006
Total	368,457
Real Estate - Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	155
2020	60
2019	353
2018	179
2017	755
Prior	2,091
Revolving Loans	186,485
Total	190,078
Real Estate - Home Equity [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	155
2020	60
2019	353
2018	179
2017	755
Prior	2,091
Revolving Loans	185,557
Total	189,150
Real Estate - Home Equity [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Revolving Loans	928
Total	928
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	96,878
2020	84,462
2019	52,442
2018	37,406
2017	16,474
Prior	6,710
Revolving Loans	5,319
Total	299,691
Consumer [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	96,878
2020	84,462
2019	52,437
2018	37,372
2017	16,460
Prior	6,652
Revolving Loans	5,319
Total	299,580
Consumer [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	0
2019	5
2018	34
2017	14
Prior	58
Revolving Loans	0
Total	111
Pass [Member] | Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	96,160
2020	56,466
2019	37,288
2018	24,612
2017	11,525
Prior	17,651
Revolving Loans	48,606
Total	292,308
Pass [Member] | Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	41,183
2020	78,597
2019	23,854
2018	488
2017	134
Prior	0
Revolving Loans	4,073
Total	148,329
Pass [Member] | Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	108,247
2020	155,143
2019	98,591
2018	111,327
2017	66,381
Prior	96,834
Revolving Loans	22,358
Total	658,881
Pass [Member] | Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	83,586
2020	76,616
2019	50,779
2018	34,010
2017	31,307
Prior	71,827
Revolving Loans	7,906
Total	356,031
Special Mention [Member] | Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	57
2020	0
2019	180
2018	32
2017	1
Prior	51
Revolving Loans	0
Total	321
Special Mention [Member] | Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	715
2020	0
2019	0
2018	0
2017	0
Prior	0
Revolving Loans	0
Total	715
Special Mention [Member] | Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	26
2019	4,510
2018	16,720
2017	4,601
Prior	13,304
Revolving Loans	4
Total	39,165
Special Mention [Member] | Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	139
2019	21
2018	123
2017	170
Prior	529
Revolving Loans	0
Total	982
Substandard [Member] | Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	11
2019	0
2018	228
2017	22
Prior	28
Revolving Loans	35
Total	324
Substandard [Member] | Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	840
2019	0
2018	0
2017	0
Prior	0
Revolving Loans	0
Total	840
Substandard [Member] | Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	1,561
2020	583
2019	3,589
2018	90
2017	1,799
Prior	1,931
Revolving Loans	0
Total	9,553
Substandard [Member] | Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	936
2020	1,908
2019	2,783
2018	1,732
2017	1,113
Prior	2,872
Revolving Loans	100
Total	$ 11,444