Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Assets carried at fair value
Fair value	$ 218,489	$ 398,119
Money market funds
Assets carried at fair value
Fair value	15,763	7,402
U.S. Government bonds and notes
Assets carried at fair value
Fair value	96,371	102,812
Corporate notes, bonds and commercial paper
Assets carried at fair value
Fair value	106,355	287,905
Recurring basis
Assets carried at fair value
Total assets carried at fair value	218,489	398,119
Liabilities carried at fair value
Earn-out consideration related to PLDA acquisition	14,800	16,900
Total liabilities carried at fair value	14,800	16,900
Recurring basis \| Money market funds
Assets carried at fair value
Fair value	15,763	7,402
Recurring basis \| U.S. Government bonds and notes
Assets carried at fair value
Fair value	96,371	102,812
Recurring basis \| Corporate notes, bonds and commercial paper
Assets carried at fair value
Fair value	106,355	287,905
Recurring basis \| Quoted market prices in active markets (Level 1)
Assets carried at fair value
Total assets carried at fair value	15,763	7,402
Liabilities carried at fair value
Earn-out consideration related to PLDA acquisition	0	0
Total liabilities carried at fair value	0	0
Recurring basis \| Quoted market prices in active markets (Level 1) \| Money market funds
Assets carried at fair value
Fair value	15,763	7,402
Recurring basis \| Quoted market prices in active markets (Level 1) \| U.S. Government bonds and notes
Assets carried at fair value
Fair value	0	0
Recurring basis \| Quoted market prices in active markets (Level 1) \| Corporate notes, bonds and commercial paper
Assets carried at fair value
Fair value	0	0
Recurring basis \| Significant other observable inputs (Level 2)
Assets carried at fair value
Total assets carried at fair value	202,726	390,717
Liabilities carried at fair value
Earn-out consideration related to PLDA acquisition	0	0
Total liabilities carried at fair value	0	0
Recurring basis \| Significant other observable inputs (Level 2) \| Money market funds
Assets carried at fair value
Fair value	0	0
Recurring basis \| Significant other observable inputs (Level 2) \| U.S. Government bonds and notes
Assets carried at fair value
Fair value	96,371	102,812
Recurring basis \| Significant other observable inputs (Level 2) \| Corporate notes, bonds and commercial paper
Assets carried at fair value
Fair value	106,355	287,905
Recurring basis \| Significant unobservable inputs (Level 3)
Assets carried at fair value
Total assets carried at fair value	0	0
Liabilities carried at fair value
Earn-out consideration related to PLDA acquisition	14,800	16,900
Total liabilities carried at fair value	14,800	16,900
Recurring basis \| Significant unobservable inputs (Level 3) \| Money market funds
Assets carried at fair value
Fair value	0	0
Recurring basis \| Significant unobservable inputs (Level 3) \| U.S. Government bonds and notes
Assets carried at fair value
Fair value	0	0
Recurring basis \| Significant unobservable inputs (Level 3) \| Corporate notes, bonds and commercial paper
Assets carried at fair value
Fair value	$ 0	$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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