RELATED PARTY TRANSACTIONS - Related party transactions by balance sheet grouping (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Prepaid expenses and other current assets — related parties	$ 20,866	$ 20,100
Accrued liabilities — related parties	56,573	73,711
Related Party
Related Party Transaction [Line Items]
Accounts receivable, net — related parties	32	80
Property and equipment, net — related parties	3,021	3,640
Accounts payable — related parties	0	828
Accrued liabilities — related parties	0	95
Related Party | Illumina, Inc.
Related Party Transaction [Line Items]
Accounts receivable, net — related parties	32	80
Supplies — related parties	6,259	5,855
Prepaid expenses and other current assets — related parties	59	41
Property and equipment, net — related parties	3,021	3,640
Accounts payable — related parties	0	168
Accrued liabilities — related parties	$ 0	$ 95