INVESTMENT SECURITIES - Schedule of Gain (Loss) on Securities (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investments, Debt and Equity Securities [Abstract]
Net realized gains on sales of securities available-for-sale	$ 0	$ 0	$ 58
Unrealized holding gains (losses) on equity securities	(17)	5	19
Net realized gains on sales of other investments	532	0	61
Net gain (loss) on securities	$ 515	$ 5	$ 138

Amount of unrealized and realized gain (loss) on investment in debt and equity securities.

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Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of gain (loss) included in earnings for investments classified as other.

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