LEASES - Lease Costs & Additional Lease Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Operating lease cost	$ 932	$ 844	$ 2,786	$ 2,533
Sublease income	(978)	(968)	(2,648)	(2,675)
Total lease cost (income)	$ (46)	$ (124)	$ 138	$ (142)
Weighted-average remaining lease term - operating leases (in years)	7 years 9 months		7 years 9 months
Weighted-average discount rate - operating leases	3.19%		3.19%