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LOANS - Troubled Debt Restructurings (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) loan	Mar. 31, 2020 USD ($) loan
Troubled Debt Restructurings
Troubled debt restructurings, number of contracts | loan	2	1
Troubled debt restructurings, post-modification recorded investment | $	$ 36	$ 30
Residential mortgage | Real estate loan | first liens | Reduced monthly payments and extended maturity date
Troubled Debt Restructurings
Troubled debt restructurings, number of contracts | loan	1	0
Troubled debt restructurings, post-modification recorded investment | $	$ 12	$ 0
Residential mortgage | Real estate loan | junior liens | New loan at lower than risk-adjusted market rate to borrower from whom short sale of other collateral was accepted
Troubled Debt Restructurings
Troubled debt restructurings, number of contracts | loan	0	1
Troubled debt restructurings, post-modification recorded investment | $	$ 0	$ 30
Consumer | Reduced monthly payments and extended maturity date
Troubled Debt Restructurings
Troubled debt restructurings, number of contracts | loan	1	0
Troubled debt restructurings, post-modification recorded investment | $	$ 24	$ 0

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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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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=121611835&loc=SL6953676-111524

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