SECURITIES - Summary of amortized cost of securities held-to-maturity and their estimated fair value (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 33,241	$ 33,412
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(3,984)	(5,089)
Estimated Fair Value	29,257	28,323
Allowance for credit loss	(122)	(158)
Securities held-to-maturity	33,119	33,254
Corporate bonds
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	18,600	18,600
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(2,989)	(3,593)
Estimated Fair Value	15,611	15,007
Asset-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	14,641	14,812
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(995)	(1,496)
Estimated Fair Value	$ 13,646	$ 13,316