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Namespace Prefix:	csiq_
Data Type:	num:percentItemType
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Represents the corporate income tax rate in foreign jurisdiction.

No definition available.

Name:	csiq_IncomeTaxesForeignCorporateTaxRate
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- References

No definition available.

Name:	csiq_IncomeTaxesLineItems
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Data Type:	xbrli:stringItemType
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The number of board of investment certificates for tax exemption.

No definition available.

Name:	csiq_NumberOfBoardOfInvestmentCertificatesTaxExemption
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents the period of statute of limitations for the entity's income tax returns containing transfer pricing adjustment.

No definition available.

Name:	csiq_PeriodOfStatuteOfLimitationsForTransferPricingAdjustment
Namespace Prefix:	csiq_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the period of statute of limitations for the entity's income tax returns, if there is underpayment of income taxes due to computational errors.

No definition available.

Name:	csiq_PeriodOfStatuteOfLimitationsIfUnderpaymentIsDueToComputationalErrors
Namespace Prefix:	csiq_
Data Type:	xbrli:durationItemType
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Represents the period of statute of limitations for the entity's income tax returns under special circumstances.

No definition available.

Name:	csiq_PeriodOfStatuteOfLimitationsUnderSpecialCircumstances
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Data Type:	xbrli:durationItemType
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It represents the reduced Foreign statutory income tax rate on account of tax exemptions.

No definition available.

Name:	csiq_ReducedForeignIncomeTaxRateOnAccountOfTaxExemptions
Namespace Prefix:	csiq_
Data Type:	num:percentItemType
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Amount of unrecognized tax benefits.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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-Section 50
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Amount of decrease in unrecognized tax benefits resulting from foreign currency translation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of increase in unrecognized tax benefits resulting from foreign currency translation.

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Namespace Prefix:	us-gaap_
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Name:	us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
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Data Type:	na
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Data Type:	na
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Name:	us-gaap_IncomeTaxAuthorityAxis=country_US
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Data Type:	na
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