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LOANS AND CREDIT QUALITY - TDR Re-defaults (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) loan	Jun. 30, 2020 USD ($) loan	Jun. 30, 2021 USD ($) loan	Jun. 30, 2020 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of TDR loan relationships that re-defaulted | loan	1	4	6	10
Recorded investment | $	$ 123	$ 918	$ 2,020	$ 2,199
Consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of TDR loan relationships that re-defaulted | loan			5	10
Recorded investment | $			$ 1,342	$ 2,199
Consumer loans | Single family
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of TDR loan relationships that re-defaulted | loan	1	4	5	10
Recorded investment | $	$ 123	$ 918	$ 1,342	$ 2,199
Commercial loans | Commercial and Industrial Sector
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of TDR loan relationships that re-defaulted | loan			1	0
Recorded investment | $			$ 678	$ 0
Commercial loans | Owner occupied commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of TDR loan relationships that re-defaulted | loan			1	0
Recorded investment | $			$ 678	$ 0

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Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524

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Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524

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