SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Derivative Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Fair value hedge
Derivative [Line Items]
Notional amount	$ 26,400	$ 23,000
Carrying Value \| Interest rate swap
Derivative [Line Items]
Fair value of interest rate swap agreements	6,702	13,822
Carrying Value \| Fair value hedge
Derivative [Line Items]
Fair value of interest rate swap agreements	1,552	2,215
Fair value of interest rate swap hedge	$ 700	$ 100

Nominal or face amount used to calculate payments on the derivative asset.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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