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SUBSEQUENT EVENT (Details) - Recurrent Energy, LLC - BlackRock - Subsequent event $ in Millions	1 Months Ended
	Jan. 31, 2024 USD ($) tranche
Invest amount | $	$ 500
Number of tranches | tranche	2
Percentage of voting rights	20.00%

X

- Definition

The amount of investment committed in exchange of voting rights of the company.

+ References

No definition available.

+ Details

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Namespace Prefix:	csiq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Number of tranches.

+ References

No definition available.

+ Details

Name:	csiq_NumberOfTranches
Namespace Prefix:	csiq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of voting rights obtained in exchange of the investment.

+ References

No definition available.

+ Details

Name:	csiq_PercentageOfVotingRightsInExchangeOfInvestment
Namespace Prefix:	csiq_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=csiq_RecurrentEnergyLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=csiq_BlackRockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: