LOANS - Loan participations purchased and sold and loans guaranteed (Details) - USD ($)	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Loans
Participations Purchased	$ 38,476,000
Participations Sold	3,190,000
Net gains recognized on sales of SBA loans	328,000	$ 223,000
SBA loans that were sold with servicing retained	2,800,000	2,000,000.0
Commercial and industrial
Loans
Participations Purchased	15,844,000
Participations Sold	1,943,000
Commercial real estate
Loans
Participations Purchased	17,955,000
Participations Sold	1,247,000
Other
Loans
Participations Purchased	$ 4,677,000
Participations Sold		$ 22,000

Amount of sold (with servicing retained) Small Business Administration loan.

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Amount of increase from purchase of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of decrease from sale and reclassification to held-for-sale of financing receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Topic 326
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The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of other loans and leases that were sold during the reporting period; excludes gains (losses) on sales of consumer and mortgage loans. This element refers to the gain (loss) and not to the cash proceeds of the sales. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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