LOANS (Financing receivables, non accrual status narrative) (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Financing Receivable, Nonaccrual [Line Items]
Total exposure on lending relationships (or more)	$ 0.5
Troubled debt restructured loans	13.2	$ 6.2
Nonperforming
Financing Receivable, Nonaccrual [Line Items]
Troubled debt restructured loans	11.4	3.8
Performing
Financing Receivable, Nonaccrual [Line Items]
Troubled debt restructured loans	$ 1.8	$ 2.4

Amount of financing receivable modified as troubled debt restructuring.

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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant