Earnings per share - Schedule of anti-dilutive shares excluded from computation of diluted loss per share (Details) - shares	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Earnings per share [line items]
Shares held in escrow	0	688,349
Options to purchase SVS
Earnings per share [line items]
Anti-dilutive shares excluded from computation of diluted loss per share	25,315,627	26,919,615

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

No definition available.

Name:	curlf_IfrsAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	curlf_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration