SECURITIES - Summary of held-for-maturity securities with unrealized losses (Details) $ in Thousands	Sep. 30, 2023 USD ($) security	Dec. 31, 2022 USD ($) security
Schedule of Held-to-maturity Securities [Line Items]
Unrealized Losses	$ (379)	$ (1,177)
Estimated Fair Value	2,621	10,423
Unrealized Losses	(5,173)	(3,414)
Estimated Fair Value	$ 25,293	$ 18,692
Number of Securities | security	11	11
Unrealized Losses	$ (5,552)	$ (4,591)
Estimated Fair Value	27,914	29,115
Corporate bonds
Schedule of Held-to-maturity Securities [Line Items]
Unrealized Losses	(379)	(1,177)
Estimated Fair Value	2,621	10,423
Unrealized Losses	(3,188)	(1,104)
Estimated Fair Value	$ 12,412	$ 5,896
Number of Securities | security	9	9
Unrealized Losses	$ (3,567)	$ (2,281)
Estimated Fair Value	15,033	16,319
Asset-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Unrealized Losses	0	0
Estimated Fair Value	0	0
Unrealized Losses	(1,985)	(2,310)
Estimated Fair Value	$ 12,881	$ 12,796
Number of Securities | security	2	2
Unrealized Losses	$ (1,985)	$ (2,310)
Estimated Fair Value	$ 12,881	$ 12,796