DERIVATIVE FINANCIAL INSTRUMENTS (Balance Sheet Category and Fair Values of Derivative Instruments (Not Designated as Hedging Instruments)) (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Cash pledged as collateral	$ 3,800,000	$ 1,900,000
Counterparties
Derivatives, Fair Value [Line Items]
Cash pledged as collateral	0	0
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Cash pledged as collateral	0
Not Designated as Hedging Instrument \| Other Assets \| Interest rate lock commitments (mortgage)
Assets
Notional Amount, Asset	42,078,000	20,356,000
Fair Value	1,827,000	681,000
Not Designated as Hedging Instrument \| Other Assets \| Forward commitments
Assets
Notional Amount, Asset	0	16,000,000
Fair Value	0	15,000
Not Designated as Hedging Instrument \| Other Liabilities \| Forward commitments
Liabilities
Notional Amount, Liability	86,500,000	36,500,000
Fair Value	(697,000)	(113,000)
Not Designated as Hedging Instrument \| Other Liabilities \| Undesignated interest rate swaps
Liabilities
Notional Amount, Liability	9,198,000	9,627,000
Fair Value	(680,000)	(465,000)
Not Designated as Hedging Instrument \| Counterparties
Derivatives, Fair Value [Line Items]
Cash pledged as collateral	$ 0	$ 0

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4H
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624258-113959

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Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability.

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Nominal or face amount used to calculate payments on the derivative liability.

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-SubTopic 10
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-Paragraph 1A
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-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Topic 815
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-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

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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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