XML 128 R115.htm IDEA: XBRL DOCUMENT v3.8.0.1

SUBSEQUENT EVENTS (Details) - Subsequent event £ in Millions, $ in Millions	1 Months Ended
	Mar. 31, 2018 USD ($) item	Feb. 28, 2018 GBP (£)	Feb. 28, 2018 USD ($)	Jan. 31, 2018 item
Photon Energy NV | 1.14 Gigawatt Peak (GWP) five utility-scale solar power project
SUBSEQUENT EVENTS
Number of utility developed				5
Greencoat Solar II LP | 142 Megawatt (MWp) solar power plants
SUBSEQUENT EVENTS
Sale proceeds		£ 191.2	$ 267.7
Distribution cost		£ 3.8	$ 5.3
Korea Electric Power Corporation | 309 Megawatt (MWp) three solar power plants
SUBSEQUENT EVENTS
Sale proceeds | $	$ 720.0
Number of solar power plants sold	3

X

- Definition

The number of interests in solar power plants sold during the year.

+ References

No definition available.

+ Details

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

X

- Definition

The number of utility scale solar power project developed.

+ References

No definition available.

+ Details

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

X

- Definition

Cost incurred for transmission operations and maintenance by total kilowatt-hours paid to sources.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(b))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

Name:	us-gaap_CostOfTransmission
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The cash inflow from the sale of investment projects held by an entity in hopes of getting a future return or interest from it.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

+ Details

Name:	us-gaap_ProceedsFromSaleOfInvestmentProjects
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

X

- Details

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

X

- Details

Name:	us-gaap_CounterpartyNameAxis=csiq_PhotonEnergyNvMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=csiq_FiveUtilityScaleSolarPowerProjectCapacityOf1.14GwpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CounterpartyNameAxis=csiq_GreencoatSolarIILpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=csiq_SolarPowerPlants142MegaWattMwpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CounterpartyNameAxis=csiq_KoreaElectricPowerCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=csiq_ThreeSolarPowerPlants309MegaWattMwpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: