XML 22 R53.htm IDEA: XBRL DOCUMENT v2.4.1.9

SUMMARY OF PRINCIPAL ACCOUNTING POLICIES (Details 2) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2014
Project assets
Project assets reclassified to property, plant and equipment	$ 98,014,070csiq_ProjectAssetsReclassifiedToPropertyPlantAndEquipment
Property, plant and equipment
Estimated useful lives		20 years
Buildings
Property, plant and equipment
Estimated useful lives		20 years
Machinery | Minimum
Property, plant and equipment
Estimated useful lives		5 years
Machinery | Maximum
Property, plant and equipment
Estimated useful lives		10 years
Furniture, fixtures and equipment
Property, plant and equipment
Estimated useful lives		5 years
Motor vehicles
Property, plant and equipment
Estimated useful lives		5 years
Solar power systems
Property, plant and equipment
Estimated useful lives		20 years

X

- Details

Name:	csiq_ProjectAssetsAbstract
Namespace Prefix:	csiq_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the amount of project assets reclassified to property, plant and equipment.

+ References

No definition available.

+ Details

Name:	csiq_ProjectAssetsReclassifiedToPropertyPlantAndEquipment
Namespace Prefix:	csiq_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

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

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=csiq_SolarPowerSystemsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: