v3.20.4

Equity (Details) |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 11, 2020 USD ($) $ / shares shares | Nov. 04, 2020 USD ($) $ / shares | Jul. 31, 2020 USD ($) $ / shares | May 06, 2020 USD ($) $ / shares | Feb. 26, 2020 USD ($) $ / shares | May 31, 2019 shares | May 22, 2019 USD ($) shares | Dec. 31, 2020 USD ($) Vote $ / shares shares | Dec. 31, 2019 USD ($) | Dec. 31, 2018
Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  |  | $ 10,667,000 | $ 10,160,000 |
Shares outstanding (in shares) | shares | 5,069,200 |  |  |  |  |  |  | 106,670,866 |  |
Nominal value per share (in dollars per share) | $ / shares | $ 33 |  |  |  |  |  |  | $ 0.10 |  |
Voting right per share | Vote |  |  |  |  |  |  |  | 1 |  |
Purchse of ordinary shares (in shares) | shares | 661,200 |  |  |  |  |  |  |  |  |
Gross proceeds | $ 167,000,000 |  |  |  |  |  |  |  |  |
Net proceeds | $ 161,000,000 |  |  |  |  |  |  |  |  |
Treasury shares held (in shares) | shares |  |  |  |  |  |  |  | 0 |  |
Increase (decrease) in treasury shares (in shares) | shares |  |  |  |  |  |  |  | 0 |  |
Reduction of share premium |  |  |  |  |  |  |  | $ (1,000,000,000) | 0 |
Fourth Quarter [Member] |  |  |  |  |  |  |  |  |  |
Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Dividend declaration date |  |  |  |  |  |  |  | Feb. 26, 2020 |  |
Dividend paid date |  |  |  |  |  |  |  | Mar. 23, 2020 |  |
Dividend declared and paid (in dollars per share) | $ / shares |  |  |  |  | $ 0.41 |  |  |  |  |
Dividends paid |  |  |  |  | $ 41,700,000 |  |  |  |  |
First Quarter [Member] |  |  |  |  |  |  |  |  |  |
Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Dividend declaration date |  |  |  |  |  |  |  | May 06, 2020 |  |
Dividend paid date |  |  |  |  |  |  |  | Jun. 15, 2020 |  |
Dividend declared and paid (in dollars per share) | $ / shares |  |  |  | $ 0.41 |  |  |  |  |  |
Dividends paid |  |  |  | $ 41,700,000 |  |  |  |  |  |
Second Quarter [Member] |  |  |  |  |  |  |  |  |  |
Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Dividend declaration date |  |  |  |  |  |  |  | Jul. 31, 2020 |  |
Dividend paid date |  |  |  |  |  |  |  | Sep. 15, 2020 |  |
Dividend declared and paid (in dollars per share) | $ / shares |  |  | $ 0.42 |  |  |  |  |  |  |
Dividends paid |  |  | $ 42,700,000 |  |  |  |  |  |  |
Third Quarter [Member] |  |  |  |  |  |  |  |  |  |
Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Dividend declaration date |  |  |  |  |  |  |  | Nov. 04, 2020 |  |
Dividend paid date |  |  |  |  |  |  |  | Dec. 15, 2020 |  |
Dividend declared and paid (in dollars per share) | $ / shares |  | $ 0.42 |  |  |  |  |  |  |  |
Dividends paid |  | $ 42,700,000 |  |  |  |  |  |  |  |
Abengoa [Member] |  |  |  |  |  |  |  |  |  |
Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  |  |  |  |  |  | 41.50%
Algonquin [Member] |  |  |  |  |  |  |  |  |  |
Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Share capital |  |  |  |  |  |  | $ 30,000,000 |  |  |
Shares outstanding (in shares) | shares |  |  |  |  |  | 2,000,000 | 1,384,402 |  |  |
Ownership interest | 44.20% |  |  |  |  | 44.20% | 42.30% | 44.20% |  |
Purchse of ordinary shares (in shares) | shares | 4,020,860 |  |  |  |  |  |  |  |  |
Gross proceeds | $ 133,000,000 |  |  |  |  |  |  |  |  |
Dividends paid to non-controlling interests |  |  |  |  |  |  |  | $ 14,700,000 | 25,600,000 |
Algerian Energy Company, SPA [Member] |  |  |  |  |  |  |  |  |  |
Equity [Abstract] |  |  |  |  |  |  |  |  |  |
Dividends paid to non-controlling interests |  |  |  |  |  |  |  | $ 5,600,000 | $ 4,100,000 |

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