INVESTMENT SECURITIES - Narrative (Details) $ in Thousands		12 Months Ended
	Apr. 01, 2022 USD ($)	Dec. 31, 2022 USD ($) security	Dec. 31, 2021 USD ($) security
Investments, Debt and Equity Securities [Abstract]
Net amortization of premiums and discounts		$ 100	$ 100
Debt Securities, Available-for-sale [Line Items]
Net amortization of premiums and discounts		$ 100	100
Available-for-sale securities transferred to held-to-maturity securities	$ 58,700
Unrealized loss on available-for-sale securities transferred to held-to-maturity securities	$ 2,300
Debt available for sale securities pledged as collateral			$ 17,300
Shareholder equity held by one issuer (as a percent)		10.00%	10.00%
Unrealized loss			$ 182
Securities sold		$ 0	0
Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss		$ 6,351
Debt Securities, Held-To-Maturity, Unrealized Loss Position, Number of Positions, Greater Than 12 Months | security		14
Debt Securities, Held-To-Maturity Carrying Value, Pledged As Collateral		$ 22,600
Bank Technology Fund | Other Assets
Debt Securities, Available-for-sale [Line Items]
Contractual obligation		6,000
Contribution to committed investments		1,300
Return of capital, received		100
Balance with SBIC included in other assets		1,300
Committed investments to be made in the future		4,700
Small Business Investment Company ("SBIC")
Debt Securities, Available-for-sale [Line Items]
Contractual obligation		1,000
Return of capital, received		100	100
Small Business Investment Company ("SBIC") | Other Assets
Debt Securities, Available-for-sale [Line Items]
Balance with SBIC included in other assets		$ 2,000	$ 2,000
Available for sale securities, excluding SBIC
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security			10
Debt Securities, Held-To-Maturity, Unrealized Loss Position, Number of Positions | security		98