SEGMENT INFORMATION - Schedule of Assets and Revenues Major Geographic Regions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 306,617	$ 204,495	$ 151,976
Revenues, percentage	100.00%	100.00%	100.00%
Asia & Pacific
Disaggregation of Revenue [Line Items]
Revenues	$ 219,133	$ 185,035	$ 131,516
Revenues, percentage	72.00%	90.00%	86.00%
PRC
Disaggregation of Revenue [Line Items]
Revenues	$ 156,480	$ 132,469	$ 93,326
Revenues, percentage	51.00%	65.00%	61.00%
India
Disaggregation of Revenue [Line Items]
Revenues	$ 60,606	$ 47,323	$ 17,805
Revenues, percentage	20.00%	23.00%	12.00%
Russia
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 305	$ 12,213
Revenues, percentage	0.00%	0.00%	8.00%
Other Asia & Pacific countries
Disaggregation of Revenue [Line Items]
Revenues	$ 2,047	$ 4,938	$ 8,172
Revenues, percentage	1.00%	2.00%	5.00%
Europe
Disaggregation of Revenue [Line Items]
Revenues	$ 84,358	$ 15,809	$ 19,542
Revenues, percentage	27.00%	8.00%	13.00%
United Kingdom
Disaggregation of Revenue [Line Items]
Revenues	$ 3,510	$ 3,976	$ 11,386
Revenues, percentage	1.00%	2.00%	7.00%
Italy
Disaggregation of Revenue [Line Items]
Revenues	$ 56,592	$ 6,389	$ 3,140
Revenues, percentage	18.00%	3.00%	2.00%
Other European countries
Disaggregation of Revenue [Line Items]
Revenues	$ 24,256	$ 5,444	$ 5,016
Revenues, percentage	8.00%	3.00%	4.00%
United States
Disaggregation of Revenue [Line Items]
Revenues	$ 3,126	$ 3,651	$ 918
Revenues, percentage	1.00%	2.00%	1.00%