Notes payable - Promissory Note 2024 (Details) - USD ($) $ in Thousands	1 Months Ended
Oct. 31, 2020	Dec. 31, 2020
Disclosure of detailed information about borrowings [line items]
Principal amount		$ 316,627
Promissory Note - 2024
Disclosure of detailed information about borrowings [line items]
Principal amount	$ 10,000	10,000
Issue price as a percentage of principal amount	97.00%
Unamortized debt discount	$ 300	$ 300
Interest rate	3.25%
Interest expense	$ 1,047

Percentage of principal amount which is equal to the issue price of the debt instrument.

No definition available.

Name:	curlf_DebtInstrumentIssuePricePercentageOfPrincipalAmount
Namespace Prefix:	curlf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount.

+ References

No definition available.

+ Details

Name:	curlf_IfrsDebtInstrumentUnamortizedDiscount
Namespace Prefix:	curlf_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_7&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of interest costs that an entity incurs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_InterestCostsIncurred
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

+ Details

Name:	ifrs-full_NotionalAmount
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	ifrs-full_BorrowingsByNameAxis=curlf_PromissoryNoteDue2024Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: