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LOANS AND ALLOWANCE FOR LOAN LOSSES - Troubled Debt Restructuring (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) borrower
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | borrower	2
Pre-Modification Outstanding Recorded Investment	$ 2,488
Post-Modification Outstanding Recorded Investment	$ 2,488
Commercial Mortgages | Commercial mortgages, other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans | borrower	2
Pre-Modification Outstanding Recorded Investment	$ 2,488
Post-Modification Outstanding Recorded Investment	$ 2,488

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- Definition

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+ References

No definition available.

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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 http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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- Definition

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

+ 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=123577603&loc=SL6953676-111524

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- Definition

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

+ 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=123577603&loc=SL6953676-111524

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