DERIVATIVE FINANCIAL INSTRUMENTS - Derivative instrument assets and liabilities (Details) - Designated - Interest rate swap - Cash flow hedge - Other liabilities - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative financial liability fair value	$ (680)	$ (1,458)
Derivative financial liability notional amount	$ 17,000	$ 17,000

Fair value, before effects of master netting arrangements, of a financial liability or 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 liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Balance Type:	credit
Period Type:	instant