LOAN CREDIT QUALITY AND RELATED ALLOWANCE FOR LOAN LOSSES - Loan Modifications (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($) contract	Dec. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($) contract
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts \| contract	1	6	5
Pre-Modification Outstanding Recorded Investment	$ 220	$ 3,056	$ 2,291
Post-Modification Outstanding Recorded Investment	$ 220	$ 3,056	$ 2,291
Commercial, financial, and agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts \| contract	0	1	2
Pre-Modification Outstanding Recorded Investment	$ 0	$ 949	$ 1,028
Post-Modification Outstanding Recorded Investment	$ 0	$ 949	$ 1,028
Real estate mortgage: \| Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts \| contract	1	3	0
Pre-Modification Outstanding Recorded Investment	$ 220	$ 1,265	$ 0
Post-Modification Outstanding Recorded Investment	$ 220	$ 1,265	$ 0
Real estate mortgage: \| Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts \| contract	0	2	3
Pre-Modification Outstanding Recorded Investment	$ 0	$ 842	$ 1,263
Post-Modification Outstanding Recorded Investment	$ 0	$ 842	$ 1,263
Real estate mortgage: \| Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts \| contract	0	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0
Other consumer installment loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Contracts \| contract	0	0	0
Pre-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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Amount, before troubled debt restructuring, of financing receivable to be modified.

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