LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Loans held for investment by years of origination) (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	$ 51,866
2020	38,463
2019	34,296
2018	22,755
2017	10,382
Prior	14,198
Revolving Loans	46,969
Total	218,929
Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	75,222
2020	72,664
2019	23,588
2018	429
2017	132
Prior	0
Revolving Loans	5,408
Total	177,443
Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	141,143
2020	143,872
2019	92,320
2018	112,786
2017	69,089
Prior	104,255
Revolving Loans	19,914
Total	683,379
Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	106,901
2020	72,668
2019	45,464
2018	30,726
2017	28,837
Prior	69,540
Revolving Loans	8,614
Total	362,750
Real Estate - Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	99
2020	56
2019	452
2018	176
2017	749
Prior	1,789
Revolving Loans	184,321
Total	187,642
Real Estate - Home Equity [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	99
2020	56
2019	452
2018	176
2017	749
Prior	1,756
Revolving Loans	183,388
Total	186,676
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	33
Revolving Loans	933
Total	966
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	136,780
2020	73,778
2019	45,269
2018	31,554
2017	13,377
Prior	4,667
Revolving Loans	5,857
Total	311,282
Consumer [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	136,780
2020	73,778
2019	45,252
2018	31,530
2017	13,377
Prior	4,666
Revolving Loans	5,857
Total	311,240
Consumer [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	0
2019	17
2018	24
2017	0
Prior	1
Revolving Loans	0
Total	42
Pass [Member] \| Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	51,866
2020	38,453
2019	34,226
2018	22,539
2017	10,376
Prior	14,072
Revolving Loans	46,969
Total	218,501
Pass [Member] \| Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	75,222
2020	72,664
2019	23,588
2018	429
2017	132
Prior	0
Revolving Loans	5,408
Total	177,443
Pass [Member] \| Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	139,623
2020	142,833
2019	87,251
2018	103,059
2017	67,392
Prior	97,842
Revolving Loans	19,690
Total	657,690
Pass [Member] \| Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	105,611
2020	72,091
2019	44,393
2018	29,792
2017	28,447
Prior	66,748
Revolving Loans	8,538
Total	355,620
Special Mention [Member] \| Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	0
2019	70
2018	12
2017	0
Prior	49
Revolving Loans	0
Total	131
Special Mention [Member] \| Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Revolving Loans	0
Total	0
Special Mention [Member] \| Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	454
2019	1,552
2018	9,727
2017	431
Prior	5,423
Revolving Loans	0
Total	17,587
Special Mention [Member] \| Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	136
2019	20
2018	122
2017	169
Prior	419
Revolving Loans	0
Total	866
Substandard [Member] \| Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	10
2019	0
2018	204
2017	6
Prior	77
Revolving Loans	0
Total	297
Substandard [Member] \| Real Estate - Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Revolving Loans	0
Total	0
Substandard [Member] \| Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	1,520
2020	585
2019	3,517
2018	0
2017	1,266
Prior	990
Revolving Loans	224
Total	8,102
Substandard [Member] \| Real Estate - Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
2021	1,290
2020	441
2019	1,051
2018	812
2017	221
Prior	2,373
Revolving Loans	76
Total	$ 6,264

Amount of financing receivable originated more than five years prior to current fiscal year.

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Amount, before allowance for credit loss, of financing receivable.

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