Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets:
Cash and cash equivalents, Estimated Fair Value	$ 118,495	$ 115,438
Marketable securities	238,883	269,876
Assets	357,378	385,314
Liabilities:
Liabilities	44,764	44,238
Contingent Value Rights Liability
Liabilities:
Liabilities	40,294	39,818
Contingent Consideration Liability
Liabilities:
Liabilities	4,470	4,420
Cash and Money Market Funds
Assets:
Cash and cash equivalents, Estimated Fair Value	60,088	61,167
Commercial Paper
Assets:
Cash and cash equivalents, Estimated Fair Value	39,181	41,957
Marketable securities	51,994	69,574
U.S. Government and Agency Securities
Assets:
Cash and cash equivalents, Estimated Fair Value	19,226	12,314
Marketable securities	152,238	146,705
Corporate Debt Securities
Assets:
Marketable securities	34,651	53,597
Level 1
Assets:
Cash and cash equivalents, Estimated Fair Value	60,088	61,167
Assets	60,088	61,167
Level 1 | Cash and Money Market Funds
Assets:
Cash and cash equivalents, Estimated Fair Value	60,088	61,167
Level 2
Assets:
Cash and cash equivalents, Estimated Fair Value	58,407	54,271
Marketable securities	238,883	269,876
Assets	297,290	324,147
Level 2 | Commercial Paper
Assets:
Cash and cash equivalents, Estimated Fair Value	39,181	41,957
Marketable securities	51,994	69,574
Level 2 | U.S. Government and Agency Securities
Assets:
Cash and cash equivalents, Estimated Fair Value	19,226	12,314
Marketable securities	152,238	146,705
Level 2 | Corporate Debt Securities
Assets:
Marketable securities	34,651	53,597
Level 3
Liabilities:
Liabilities	44,764	44,238
Level 3 | Contingent Value Rights Liability
Liabilities:
Liabilities	40,294	39,818
Level 3 | Contingent Consideration Liability
Liabilities:
Liabilities	$ 4,470	$ 4,420