INVESTMENT SECURITIES - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) security branch	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Debt Securities, Available-for-sale [Line Items]
Allowance for credit losses	$ 69	$ 75	$ 0	$ 112
Unrealized losses	44,736	59,134
Expected credit losses	0	0
Debt securities, held-to-maturity, allowance for credit loss	$ 0	0
Debt Securities
Debt Securities, Available-for-sale [Line Items]
Number of securities in portfolio | security	412
Number of securities in unrealized loss position | security	396
Number of securities in security portfolio | security	27
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	310
Number of securities in unrealized loss position | branch	21
SBA pool securities
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	30
Allowance for credit losses	$ 0	0
Unrealized losses	$ 1,519	2,027
State, County And Municipal Securities
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	22
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	7
Allowance for credit losses	$ 69	75
Unrealized losses	$ 850	396
U.S. Treasuries
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	26
U.S. Government Sponsored Agency Security
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	1
State, county and municipal securities
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | branch	6
Allowance for credit losses	$ 0	0
Unrealized losses	944	1,180
Collateral Pledged
Debt Securities, Available-for-sale [Line Items]
Pledged securities, carrying value	$ 532,600	$ 861,600