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LOANS AND ALLOWANCE FOR LOAN LOSSES - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) contract	Mar. 31, 2020 contract	Dec. 31, 2020 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of Contracts	16		16
Recorded Investment | $	$ 1,232		$ 1,254
Number of new contracts	0	0
Accruing
Financing Receivable, Modifications [Line Items]
Number of Contracts	11		11
Recorded Investment | $	$ 921		$ 934
Accruing | Commercial real estate | Owner occupied
Financing Receivable, Modifications [Line Items]
Number of Contracts	1		1
Recorded Investment | $	$ 27		$ 28
Accruing | Residential mortgage | First lien
Financing Receivable, Modifications [Line Items]
Number of Contracts	9		9
Recorded Investment | $	$ 888		$ 898
Accruing | Residential mortgage | Home equity - lines of credit
Financing Receivable, Modifications [Line Items]
Number of Contracts	1		1
Recorded Investment | $	$ 6		$ 8
Nonaccruing
Financing Receivable, Modifications [Line Items]
Number of Contracts	5		5
Recorded Investment | $	$ 311		$ 320
Nonaccruing | Residential mortgage | First lien
Financing Receivable, Modifications [Line Items]
Number of Contracts	5		5
Recorded Investment | $	$ 311		$ 320

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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 http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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