XML 61 R53.htm IDEA: XBRL DOCUMENT
v3.25.2

License Agreements - Broad License Agreement - Additional Information (Details) - Broad Institute |  | 6 Months Ended |
--- | --- | --- | ---
Jun. 10, 2021 shares | Jun. 30, 2025 USD ($) | May 31, 2021 USD ($)
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Success payment amount due |  | $ 0 | $ 15,000,000
Common Stock |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Issuance of common stock for success payment liability, Shares | shares | 174,825 |  |
Success Payments |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Agreement description |  | The Company is required to make success payments to Broad Institute during a period of time, or the Broad Success Payment Period, which has been determined to be the earliest of (1) the twelfth anniversary of the Broad License Agreement or (2) the third anniversary of the first date on which a licensed product receives regulatory approval in the United States. During the Broad Success Payment Period, the Company will perform a calculation of any amounts owed to Broad Institute on each rolling 90-day period, commencing one year after the Company’s IPO. |
Minimum |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Success payments |  | $ 5,000,000 |
Minimum | Series A Preferred Stock |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Success Payments, valuation multiples |  | 5 |
Maximum |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Success payments |  | $ 105,000,000 |
Additional success payment amount due |  | $ 90,000,000 |
Maximum | Series A Preferred Stock |  |  |
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items] |  |  |
Success Payments, valuation multiples |  | 40 |

X
- Definition The remaining amount of success payments that may become due as part of a licensing agreement. + References No definition available. + Details
Name: | beam_AdditionalSuccessPaymentAmountDue
Namespace Prefix: | beam_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares issued to satisfy success payment obligation. + References No definition available. + Details
Name: | beam_StockIssuedDuringPeriodSharesSuccessPaymentLiability
Namespace Prefix: | beam_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of success payment due as part of a license agreement. + References No definition available. + Details
Name: | beam_SuccessPaymentAmountDue
Namespace Prefix: | beam_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of success payments payable upon achievement of specified stock value targets. + References No definition available. + Details
Name: | beam_SuccessPayments
Namespace Prefix: | beam_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The valuation multiple applied to the initial weighted average of the specified class of stock, used to determine success payment targets. + References No definition available. + Details
Name: | beam_SuccessPaymentsValuationMultiples
Namespace Prefix: | beam_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of nature and purpose of collaborative arrangements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 808 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479402/808-10-50-1 + Details
Name: | us-gaap_CollaborativeArrangementNatureAndPurpose
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 808 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479402/808-10-50-1 + Details
Name: | us-gaap_CollaborativeArrangementsAndNoncollaborativeArrangementTransactionsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=beam_BroadLicenseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=beam_SuccessPaymentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |