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DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details)	Dec. 31, 2020 USD ($) customer derivativeInstrument	Dec. 31, 2019 USD ($) bank
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cash collateral held by counterparty for derivatives	$ 1,700,000
Interest rate swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of derivatives | bank		0
Derivative, notional amount	$ 50,000,000.0
Interest rate swap | Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of derivatives | derivativeInstrument	1
Interest rate swap | Not Designated as Hedging Instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of derivatives | derivativeInstrument	3
Derivative, notional amount	$ 61,300,000	$ 0
Number of customers | customer	3

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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The number of derivative instruments of a particular group held by the entity.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

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Cash Collateral Held By Counterparty for Derivatives

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Number of Customers

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