INVESTMENT SECURITIES - Narrative (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($) security	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	28
Allowance for credit loss	$ 66	$ 68	$ 69	$ 80	$ 82	$ 75
Unrealized losses	24,429		44,736
Expected credit losses	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	404
Number of securities in unrealized loss position | security	360
Number of securities in portfolio | security	35
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	293
Number of securities in unrealized loss position | security	20
SBA pool securities
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	33
Allowance for credit loss	$ 0		0
Unrealized losses	$ 1,086		1,519
State, county and municipal securities
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	16
Number of securities in unrealized loss position | security	8
Allowance for credit loss	$ 0		0
Unrealized losses	$ 746		944
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	5
Allowance for credit loss	$ 66		69
Unrealized losses	$ 664		850
U.S. government-sponsored agencies
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	1
Allowance for credit loss	$ 0		0
Unrealized losses	$ 18		38
U.S. Treasuries
Debt Securities, Available-for-sale [Line Items]
Number of securities in unrealized loss position | security	12
Allowance for credit loss	$ 0		0
Unrealized losses	4,067		11,793
Collateral Pledged
Debt Securities, Available-for-sale [Line Items]
Pledged securities, carrying value	$ 459,100		$ 532,600