Fair Value of Financial Instruments - Schedule of Fair Value of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Commercial Paper
Assets
Marketable securities	$ 621,335	$ 368,743
Harvard
Liabilities
Success payment liability	10,500	21,000
Broad Institute
Liabilities
Success payment liability	10,800	21,200
Recurring \| Carrying Amount
Assets
Total assets	1,094,554	965,647
Liabilities
Total liabilities	53,210	73,567
Recurring \| Carrying Amount \| Money Market Funds
Assets
Cash equivalents	124,096	540,094
Recurring \| Carrying Amount \| Commercial Paper
Assets
Cash equivalents	32,415	13,997
Marketable securities	621,335	368,743
Recurring \| Carrying Amount \| Corporate Notes
Assets
Cash equivalents		5,903
Marketable securities	18,921	16,743
Recurring \| Carrying Amount \| U.S. Treasury Securities
Assets
Marketable securities	224,320
Recurring \| Carrying Amount \| U.S Government securities
Assets
Marketable securities	54,679
Recurring \| Carrying Amount \| Corporate Equity Securities
Assets
Equity securities included in marketable securities	18,788	20,167
Recurring \| Carrying Amount \| Consideration of Technology Liabilities
Liabilities
Contingent consideration liability	25,835	24,359
Recurring \| Carrying Amount \| Contingent Consideration of Product Liabilities
Liabilities
Contingent consideration liability	6,075	7,008
Recurring \| Fair Value
Assets
Total assets	1,094,554	965,647
Liabilities
Total liabilities	53,210	73,567
Recurring \| Fair Value \| Money Market Funds
Assets
Cash equivalents	124,096	540,094
Recurring \| Fair Value \| Commercial Paper
Assets
Cash equivalents	32,415	13,997
Marketable securities	621,335	368,743
Recurring \| Fair Value \| Corporate Notes
Assets
Cash equivalents		5,903
Marketable securities	18,921	16,743
Recurring \| Fair Value \| U.S. Treasury Securities
Assets
Marketable securities	224,320
Recurring \| Fair Value \| U.S Government securities
Assets
Marketable securities	54,679
Recurring \| Fair Value \| Corporate Equity Securities
Assets
Equity securities included in marketable securities	18,788	20,167
Recurring \| Fair Value \| Consideration of Technology Liabilities
Liabilities
Contingent consideration liability	25,835	24,359
Recurring \| Fair Value \| Contingent Consideration of Product Liabilities
Liabilities
Contingent consideration liability	6,075	7,008
Recurring \| Fair Value \| Level 1
Assets
Total assets	142,884	560,261
Recurring \| Fair Value \| Level 1 \| Money Market Funds
Assets
Cash equivalents	124,096	540,094
Recurring \| Fair Value \| Level 1 \| Corporate Equity Securities
Assets
Equity securities included in marketable securities	18,788	20,167
Recurring \| Fair Value \| Level 2
Assets
Total assets	951,670	405,386
Recurring \| Fair Value \| Level 2 \| Commercial Paper
Assets
Cash equivalents	32,415	13,997
Marketable securities	621,335	368,743
Recurring \| Fair Value \| Level 2 \| Corporate Notes
Assets
Cash equivalents		5,903
Marketable securities	18,921	16,743
Recurring \| Fair Value \| Level 2 \| U.S. Treasury Securities
Assets
Marketable securities	224,320
Recurring \| Fair Value \| Level 2 \| U.S Government securities
Assets
Marketable securities	54,679
Recurring \| Fair Value \| Level 3
Liabilities
Total liabilities	53,210	73,567
Recurring \| Fair Value \| Level 3 \| Consideration of Technology Liabilities
Liabilities
Contingent consideration liability	25,835	24,359
Recurring \| Fair Value \| Level 3 \| Contingent Consideration of Product Liabilities
Liabilities
Contingent consideration liability	6,075	7,008
Recurring \| Harvard \| Carrying Amount
Liabilities
Success payment liability	10,500	21,000
Recurring \| Harvard \| Fair Value
Liabilities
Success payment liability	10,500	21,000
Recurring \| Harvard \| Fair Value \| Level 3
Liabilities
Success payment liability	10,500	21,000
Recurring \| Broad Institute \| Carrying Amount
Liabilities
Success payment liability	10,800	21,200
Recurring \| Broad Institute \| Fair Value
Liabilities
Success payment liability	10,800	21,200
Recurring \| Broad Institute \| Fair Value \| Level 3
Liabilities
Success payment liability	$ 10,800	$ 21,200

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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Fair value of financial and nonfinancial obligations.

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