RIGHT-OF-USE ASSETS UNDER OPERATING LEASES, NET - Summary of Right-Of-Use Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Leases [Abstract]
Right-of-use assets under operating leases	$ 7,334	$ 11,808
Less: Accumulated amortization	(3,706)	(6,487)
Total	$ 3,628	$ 5,321