OTHER (EXPENSE) INCOME - Summary of Other Income (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) Transaction	Dec. 31, 2022 USD ($) Transaction	Dec. 31, 2021 USD ($)
OTHER (EXPENSE) INCOME
Unrealized and realized gain (loss) on investments (Note 5)	$ 20,462	$ (511)	$ 28
Foreign currency gain on Blue Chip Swap	7,993	19,772
Foreign currency gain (loss)	(59,503)	4,030	513
COVID-19 relief			3,541
Other income (loss), net	1,072	(353)	2,199
Total other income (loss)	$ (29,976)	$ 22,938	$ 6,281
Number of Blue Chip Swaps | Transaction	2	11
Realized net gain	$ 7,600	$ 18,800
Foreign currency gain	8,000	19,800
Realized loss on investments	$ (400)	$ (1,000)