Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)
Accounting Policies [Line Items]
Accounts receivable, credit losses	$ 0	$ 0
Other expenses	$ 0	0
Milestone payment, capitalized		$ 9,000
Intangible asset useful life	7 years 3 months 18 days	7 years 3 months 18 days
Viracta License Agreement
Accounting Policies [Line Items]
Milestone payment, capitalized		$ 8,100
One Customer [Member] | Revenue Benchmark [Member] | Concentration of Credit Risk and Other Risks and Uncertainties [Member]
Accounting Policies [Line Items]
Concentration risk percentage of net product revenue and accounts receivable		61.00%
One Customer [Member] | Accounts Receivable [Member] | Concentration of Credit Risk and Other Risks and Uncertainties [Member]
Accounting Policies [Line Items]
Concentration risk percentage of net product revenue and accounts receivable		59.00%
Two Customer [Member] | Revenue Benchmark [Member] | Concentration of Credit Risk and Other Risks and Uncertainties [Member]
Accounting Policies [Line Items]
Concentration risk percentage of net product revenue and accounts receivable		37.00%
Two Customer [Member] | Accounts Receivable [Member] | Concentration of Credit Risk and Other Risks and Uncertainties [Member]
Accounting Policies [Line Items]
Concentration risk percentage of net product revenue and accounts receivable		39.00%
Other Individual Customer [Member] | Net Product Revenue and Accounts Receivable [Member] | Concentration of Credit Risk and Other Risks and Uncertainties [Member] | Maximum [Member]
Accounting Policies [Line Items]
Concentration risk percentage of net product revenue and accounts receivable		10.00%
Individual Customer [Member] | Revenue Benchmark [Member] | Concentration of Credit Risk and Other Risks and Uncertainties [Member]
Accounting Policies [Line Items]
Concentration risk percentage of net product revenue and accounts receivable		98.00%
Individual Customer [Member] | Accounts Receivable [Member] | Concentration of Credit Risk and Other Risks and Uncertainties [Member]
Accounting Policies [Line Items]
Concentration risk percentage of net product revenue and accounts receivable		98.00%