SHORT-TERM INVESTMENTS - Narrative (Details) ¥ in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 CNY (¥)	Jul. 31, 2023 USD ($)	Jul. 31, 2023 CNY (¥)	Dec. 31, 2022	Sep. 27, 2022 USD ($)	Sep. 27, 2022 CNY (¥)	Sep. 19, 2022 USD ($)	Sep. 19, 2022 CNY (¥)
Investments [Abstract]
Proceeds from selling short-term investments			$ 19,914	$ 4,488
Realized gain from sale of short-term investments	$ 656	$ 1,136	8,569	1,136
Nuode Asset Management Company Limited
Investments [Abstract]
Investment in partnership									$ 4,196	¥ 30,000	$ 22,160	¥ 160,000
Ownership percentage in partnership								18.75%	18.75%	18.75%
SMIC
Investments [Abstract]
Proceeds from selling short-term investments	2,205	4,488	19,914	4,488
Realized gain from sale of short-term investments	656	$ 1,136	8,569	$ 1,136
Huahong Semiconductor Limited
Investments [Abstract]
Investment in partnership						$ 13,930	¥ 100,000
Zhongiuxin Limited Company
Investments [Abstract]
Investment in partnership	$ 4,179		$ 4,179		¥ 30,000