NET REVENUES FROM COLLABORATIONS - Novartis AG (Detail) - Novartis AG - 2013 The Medicines Company Collaboration - Product Alliances $ in Millions	131 Months Ended
	Dec. 31, 2023 USD ($)
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Milestone payment earned	$ 120.0
Potential future payment for the achievement of specified commercialization milestones	$ 60.0
Minimum
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Royalty rate	10.00%
Maximum
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]
Royalty rate	20.00%