LEASES - Components of lease cost and Supplemental information related to operating leases (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lease cost:
Operating lease cost	$ 348	$ 360	$ 691	$ 709
Short-term lease cost	7	1	8	2
Total lease cost	355	361	699	711
Operating cash flows from operating leases	$ 357	$ 353	$ 703	$ 702
Weighted average remaining lease term- operating leases	4 years 8 months 12 days	5 years 1 month 6 days	4 years 8 months 12 days	5 years 1 month 6 days
Weighted average discount rate- operating leases	2.05%	2.21%	2.05%	2.21%

Amount of lease cost recognized by lessee for lease contract.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980

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- References

No definition available.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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-Publisher FASB
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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-Publisher FASB
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

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-Publisher FASB
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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

+ References

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