LEASE - Total leases - Gross difference (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
LEASE
Total future minimum lease payments		$ 54,123
Less: imputed interest		1,430
NPV for future minimum lease payments	$ 85,553	$ 52,693
Total future minimum lease payments	94,176
Less: imputed interest	8,623
NPV for future minimum lease payments	$ 85,553

Present value of minimum lease payments for leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

No definition available.

Name:	csiq_LeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments
Namespace Prefix:	csiq_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant