SECURITIES - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) instrument	Dec. 31, 2022 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	$ 211,324	$ 226,158
Estimated Fair Value	766,907	773,061
U.S. Treasury
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	1,244	1,228
U.S. Treasury | Asset Pledged as Collateral [Member]
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	1,200
Agency Mortgage-backed Securities
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	7,157	7,576
Estimated Fair Value	766,907	773,061
Agency Mortgage-backed Securities | Asset Pledged as Collateral [Member]
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	231,900
Estimated Fair Value	841,600
SBA securities
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	16,819	18,955
SBA securities | Asset Pledged as Collateral [Member]
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	184,200
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Investment securities available for sale	$ 122,270	$ 135,013
Number of financial instruments impacted by credit loss | instrument	7