XML 66 R56.htm IDEA: XBRL DOCUMENT v3.22.2.2

Guide Acquisition - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Feb. 23, 2021	Mar. 31, 2021	Sep. 30, 2021	Sep. 30, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Value of shares issued for upfront payment of acquisition		$ 120,032
Research and development expense			$ 154,953
Contingent consideration liabilities				$ 31,910	$ 31,367
Common Stock
Business Acquisition [Line Items]
Value of shares issued for upfront payment of acquisition		$ 10
Guide Therapeutics, Inc. | Merger Agreement
Business Acquisition [Line Items]
Business Acquisition, merger agreement date	Feb. 23, 2021
Business combination upfront consideration paid in common stock	$ 120,000
Value of shares issued for upfront payment of acquisition	120,000
Research and development expense	155,000
Contingent consideration liabilities	$ 36,500
Guide Therapeutics, Inc. | Merger Agreement | Common Stock
Business Acquisition [Line Items]
Number of shares issued for upfront payment of acquisition	1,087,153
Guide Therapeutics, Inc. | Merger Agreement | Technology Milestones | Maximum | Former Stockholders and Optionholders
Business Acquisition [Line Items]
Potential milestone payable in form of common stock	$ 100,000
Guide Therapeutics, Inc. | Merger Agreement | Product Milestones | Maximum | Former Stockholders and Optionholders
Business Acquisition [Line Items]
Potential milestone payable in form of common stock	$ 220,000

X

- Definition

The aggregate amount of consideration paid to former stockholders and optionholders in common stock, as part of a business combination, excluding purchase price adjustments.

+ References

No definition available.

+ Details

Name:	beam_BusinessCombinationUpfrontConsiderationPaidInCommonStock
Namespace Prefix:	beam_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Number of shares issued for upfront payment of acquisition.

+ References

No definition available.

+ Details

Name:	beam_NumberOfSharesIssuedForUpfrontPaymentOfAcquisition
Namespace Prefix:	beam_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount of potential milestones payable in the form of common stock as part of a business combination.

+ References

No definition available.

+ Details

Name:	beam_PotentialMilestonePayableInFormOfCommonStock
Namespace Prefix:	beam_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Date when the business acquisition agreement was executed, in YYYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
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

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph b
-URI https://asc.fasb.org/extlink&oid=126966325&loc=d3e6819-128478

+ Details

Name:	us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of purchased research and development assets that are acquired in a business combination have no alternative future use and are therefore written off in the period of acquisition.

+ References

No definition available.

+ Details

Name:	us-gaap_ResearchAndDevelopmentInProcess
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Value of stock issued pursuant to acquisitions during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29-31)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_StockIssuedDuringPeriodValueAcquisitions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=beam_GuideTherapeuticsIncorporatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=beam_MergerAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ContingentConsiderationByTypeAxis=beam_ContingentConsiderationOfTechnologyLiabilitiesMember
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:

X

- Details

Name:	srt_TitleOfIndividualAxis=beam_FormerStockholdersAndOptionholdersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ContingentConsiderationByTypeAxis=beam_ContingentConsiderationOfProductLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: