Loans Receivable, net - Schedule of Loan Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total current portion of loans receivable, net	$ 4,875	$ 5,541
Total long-term portion of loans receivable, net	73,165	69,036
Total loans receivable, net	78,040	74,577
Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Add: Current portion of accrued interest	0	507
Add: Long-term portion of accrued interest	273	248
Loans Receivable \| GrowCo Credit Facility
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current portion of loans receivable, before accrued interest	4,875	5,034
Long term portion of loans receivable, before accrued interest	57,271	53,638
Loans Receivable \| Mucci Promissory Note
Accounts, Notes, Loans and Financing Receivable [Line Items]
Long term portion of loans receivable, before accrued interest	13,929	13,379
Loans Receivable \| Cannasoul Collaboration Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Long term portion of loans receivable, before accrued interest	$ 1,692	$ 1,771

Financing Receivable, Accrued Interest, Current

No definition available.

Name:	cron_FinancingReceivableAccruedInterestCurrent
Namespace Prefix:	cron_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Financing Receivable, Accrued Interest, Noncurrent

+ References

No definition available.

+ Details

Name:	cron_FinancingReceivableAccruedInterestNoncurrent
Namespace Prefix:	cron_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Financing Receivable, Before Accrued Interest, Current

+ References

No definition available.

+ Details

Name:	cron_FinancingReceivableBeforeAccruedInterestCurrent
Namespace Prefix:	cron_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Financing Receivable, Before Accrued Interest, Noncurrent

+ References

No definition available.

+ Details

Name:	cron_FinancingReceivableBeforeAccruedInterestNoncurrent
Namespace Prefix:	cron_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- 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/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

+ Details

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

- Definition

Amortized cost, after allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease.

+ References

+ Details

Name:	us-gaap_NotesAndLoansReceivableNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.

+ References

No definition available.

+ Details

Name:	us-gaap_NotesAndLoansReceivableNetNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(5)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

Name:	us-gaap_NotesReceivableNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_LoansReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	cron_LoanReceivableNameAxis=cron_CronosGrowCoCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	cron_LoanReceivableNameAxis=cron_OntarioIncMucciPromissoryNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	cron_LoanReceivableNameAxis=cron_CannasoulCollaborationLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: