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SHARE-BASED COMPENSATION - 2020 CSI Solar Employee Incentive Plan (Details) $ in Thousands, ¥ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2020 USD ($)
SHARE-BASED COMPENSATION |  |  |  |  |
Aggregate amount of subscription | $ 55,335 | $ 9,370 | $ 8,808 |  |
Company's share-based compensation expense by plan |  |  |  |  |
Aggregate amount of subscription | 55,335 | 9,370 | 8,808 |  |
2006 Share incentive plan |  |  |  |  |
SHARE-BASED COMPENSATION |  |  |  |  |
Aggregate amount of subscription | 46,981 | 9,370 | 8,808 |  |
Company's share-based compensation expense by plan |  |  |  |  |
Aggregate amount of subscription | 46,981 | $ 9,370 | $ 8,808 |  |
2020 CSI Solar employee incentive plan | CSI Solar |  |  |  |  |
SHARE-BASED COMPENSATION |  |  |  |  |
Aggregate amount of subscription |  |  |  | ¥ 248 | $ 36,342
Company's share-based compensation expense by plan |  |  |  |  |
Recognized compensation expense | $ 8,354 |  |  |  |
Aggregate amount of subscription |  |  |  | ¥ 248 | $ 36,342

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