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v3.21.2

Long-term investments - Investments in Significant Partnerships and Joint Ventures (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Schedule of Equity Method Investments [Line Items] |  |
Assets | $ 16,453,651 | $ 13,224,149
Liabilities | 9,481,085 | 7,234,784
AQN's investment carrying amount for the entities | 264,251 | 186,452
Investments in Significant Partnerships and Joint Ventures |  |
Schedule of Equity Method Investments [Line Items] |  |
Assets | 1,450,771 | 3,201,967
Liabilities | 651,814 | 2,913,188
Net assets | 798,957 | 288,779
Investments in Significant Partnerships and Joint Ventures | APUC |  |
Schedule of Equity Method Investments [Line Items] |  |
Net assets | 214,979 | 141,666
Difference between investment carrying amount and underlying equity in net assets | 49,272 | 44,786
AQN's investment carrying amount for the entities | $ 264,251 | $ 186,452

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