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COMMITMENTS AND CONTINGENCIES - Contingencies (Details) - item |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended
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Sep. 01, 2022 | Jan. 21, 2015 | Nov. 30, 2012 | Feb. 29, 2024 | Jul. 31, 2023 | Apr. 30, 2023 | Mar. 31, 2023 | Feb. 28, 2023 | Sep. 30, 2022 | Aug. 31, 2022 | Jul. 31, 2022 | Jun. 30, 2022 | Apr. 30, 2022 | Dec. 31, 2021 | Nov. 30, 2021 | Oct. 31, 2021 | Sep. 30, 2021 | Aug. 31, 2021 | Jul. 31, 2021 | May 31, 2021 | Apr. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Nov. 30, 2020 | Oct. 31, 2020 | Aug. 31, 2020 | Jul. 31, 2020 | May 31, 2020 | Apr. 30, 2020 | Dec. 31, 2019 | Aug. 31, 2019 | Jul. 31, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Feb. 28, 2019 | Oct. 31, 2018 | Sep. 30, 2018 | Jul. 31, 2018 | Jun. 30, 2018 | Oct. 31, 2017 | Sep. 30, 2017 | Jul. 31, 2017 | Jul. 31, 2016 | Jun. 30, 2016 | May 31, 2016 | Jul. 31, 2015 | Mar. 31, 2021 | Dec. 31, 2023 | Dec. 31, 2022
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of monocrystalline silicon photovoltaic cells |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of monocrystalline silicon photovoltaic half-cells |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 144 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum module efficiency |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  | 13.94% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  | 15.24% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First administrative review of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9.67% |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.94% |  |  |
Second administrative review of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% | 3.96% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.96% | 8.52% | 9.67% |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20.94% |  |  |  |  |  |
Third administrative review of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% | 3.19% |  |  |  |  |  |  |  |  |  |  |  |  | 3.19% | 4.12% |  |  |  |  |  |  |  |  |  |  | 13.07% | 8.52% |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.36% | 18.16% |  |  |  |  |  |  |  |  |  |  |  |  | 18.16% | 20.94% |  |  |  |  |  |  |  |
Fourth administrative review of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13.07% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11.59% | 18.16% |  |  |  |  |  |  |  |  |  |  | 5.02% |
Fifth administrative review of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.06% | 3.30% |  |  |  |  |  | 13.07% |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.65% | 9.70% |  |  |  |  |  |  |  |  | 9.70% | 9.70% |  |  |  |  | 11.59% |  |  |  |  |  |  |  |  |  |  |  |  |
Sixth administrative review of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  |  | 95.50% | 23.02% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 95.50% | 13.07% | 68.93% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 68.93%
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11.97% | 12.67% |  |  |  |  |  |  | 9.70% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11.97% |  |
Seventh administrative review of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% | 95.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19.28% | 11.97% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Eighth administrative review of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) | 15.87% |  |  |  |  |  |  |  |  | 15.75% | 19.28% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ninth administrative review of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  | 15.87% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tenth And Eleventh Administrative Review Of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  | 15.87% |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Solar 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  | 30.06% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30.06% |  |  |  |  |  |  |  |  |  |  |  |  | 30.06% |  |  | 30.06% |  |  |  |  |  | 30.06% |  |  | 30.06% |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  | 38.43% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33.58% |  |  |  |  |  |  |  |  |  |  |  |  | 33.58% |  |  | 33.58% | 33.58% | 38.43% |  |  |  | 33.58% |  |  | 33.58% |  |  |  |  |  |  |
Duty rate for anti-dumping duty on CSPV cells imported from Taiwan (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.57% |  |  | 4.39% |  |  |  |  |  | 1.33% |  |  |  |  |  |  |  |  |  |
Solar 2 | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for anti-dumping duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.56% |  |  |  |  |  |  |
Duty rate for anti-dumping duty on CSPV cells imported from Taiwan (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.52% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Solar 2 | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Duty rate for anti-dumping duty on CSPV cells imported from Taiwan (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.78% |  |  |  |  |  |  |  |  | 4.20% |  |  |  |  |  |  |
Seventh administrative review of Solar 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  | 33.58% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Eighth administrative review of the Solar 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  | 33.58% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Canadian Solar International Ltd. | Fourth administrative review of Solar 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash deposit rate for countervailing duty on CSPV cells imported from China (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.64% | 18.16% |  |  |  |  |  |  |  |  |  |  | 4.22% |

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