NET REVENUES FROM COLLABORATIONS - Product Collaborations (Detail) $ in Thousands		12 Months Ended
	Jul. 21, 2023 USD ($) performance_obligation	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Total revenues		$ 1,828,292	$ 1,037,418	$ 844,287
Roche Collaboration and License Agreement
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Upfront payment	$ 310,000
Development costs, percentage responsible	40.00%
Profit and loss sharing percentage	5000.00%
Number of performance obligations | performance_obligation	3
Transaction price	$ 857,000
Additional variable consideration	547,000
Roche | Roche Collaboration and License Agreement
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Upfront payment	$ 310,000
Development costs, percentage responsible	60.00%
Profit and loss sharing percentage	5000.00%
Contingent termination fee	$ 50,000
Transaction Price Allocated		857,000
Total revenues		333,974
Transactional price remaining performance obligation		523,000
Roche | Roche Collaboration and License Agreement | Specified Development and Regulatory Milestones
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Contingent consideration receivable, amount	1,240,000
Roche | Roche Collaboration and License Agreement | Sales-Based Milestones
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Contingent consideration receivable, amount	$ 1,280,000
Roche | Roche Collaboration and License Agreement | License Obligation
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Transaction Price Allocated		310,000
Total revenues		310,000
Roche | Roche Collaboration and License Agreement | Development Services Obligation
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Transaction Price Allocated		545,000
Total revenues		23,974
Roche | Roche Collaboration and License Agreement | Technology Transfer Obligation
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Transaction Price Allocated		2,000
Total revenues		$ 0