LOANS - IMPAIRED LOANS AND EFFECT ON INTEREST INCOME (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Impaired Loans
Number of days past due to be considered as nonperforming loans	90 days
Recorded investment
With no valuation reserve	$ 5,331	$ 8,974
With a valuation reserve	3,732	3,849
Total	9,063	12,823
Unpaid Principal Balance	13,755	16,129
Related Allowance for Loan Losses	1,389	1,267
Average investment
Average Balance for the Period	12,141	13,466
Interest Income Recognized During Impairment
Interest Income Recognized for the Period	106	524
Commercial real estate
Recorded investment
With no valuation reserve	1,739	4,318
With a valuation reserve	2,278	2,374
Total	4,017	6,692
Unpaid Principal Balance	7,061	7,937
Related Allowance for Loan Losses	913	497
Average investment
Average Balance for the Period	7,841	8,374
Interest Income Recognized During Impairment
Interest Income Recognized for the Period	65	301
Commercial, financial, and agricultural
Recorded investment
With no valuation reserve	2,416	2,354
With a valuation reserve	1,454	1,475
Total	3,870	3,829
Unpaid Principal Balance	3,870	4,892
Related Allowance for Loan Losses	476	770
Average investment
Average Balance for the Period	1,597	1,144
Interest Income Recognized During Impairment
Interest Income Recognized for the Period		2
Commercial construction
Recorded investment
With no valuation reserve	367	373
Total	367	373
Unpaid Principal Balance	373	386
Average investment
Average Balance for the Period	21	396
Interest Income Recognized During Impairment
Interest Income Recognized for the Period	1
One to four family residential real estate
Recorded investment
With no valuation reserve	808	1,920
Total	808	1,920
Unpaid Principal Balance	2,450	2,881
Average investment
Average Balance for the Period	2,665	3,508
Interest Income Recognized During Impairment
Interest Income Recognized for the Period	39	219
Consumer
Recorded investment
With no valuation reserve	1	9
Total	1	9
Unpaid Principal Balance	1	33
Average investment
Average Balance for the Period	17	44
Interest Income Recognized During Impairment
Interest Income Recognized for the Period	$ 1	$ 2

Number of days past due to be considered as nonperforming loans.

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
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Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

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Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.

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