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INVESTMENT SECURITIES AVAILABLE FOR SALE - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Investment with fair value classified as equity security	$ 14,852,000		$ 15,117,000
Securities (losses)/gains, net	(265,000)	$ 198,000
CRA Investment Fund [Member]
Schedule Of Available For Sale Securities [Line Items]
Investment with fair value classified as equity security	14,900,000
Securities (losses)/gains, net	$ (265,000)

X

- Definition

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

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