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Discontinued operations - Mexico project development- Narratives (Details) gal in Millions |  |  |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 09, 2022 USD ($) | Feb. 09, 2022 MXN ($) | Aug. 28, 2020 USD ($) | Aug. 28, 2020 MXN ($) | Jun. 29, 2020 | Aug. 22, 2016 gal | Dec. 31, 2010 gal | Feb. 28, 2018 | Aug. 31, 2016 | Dec. 31, 2012 USD ($) ha
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Number of days to submit list of non-recoverable expenses made |  |  |  |  | 20 days |  |  |  |  |
Amount of non-recoverable expenses |  |  | $ 51,144,525 | $ 137,333,114 |  |  |  |  |  |
Loss Contingency, Damages Sought, Value | $ |  | $ 137,000,000 |  |  |  |  |  |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value | $ | $ 51,000,000 |  |  |  |  |  |  |  |  |
NSC Agua [Member] |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Area of Land | ha |  |  |  |  |  |  |  |  |  | 20.1
Land | $ |  |  |  |  |  |  |  |  |  | $ 21,100,000
NSC Agua [Member] |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Seawater Reverse Osmosis Desalination Plant Per Day Processing Capacity | gal |  |  |  |  |  | 100 | 100 |  |  |
Period in which construction must be completed |  |  |  |  |  | 36 months |  |  |  |
Period Required To Operate And Maintain Plant And Aqueduct |  |  |  |  |  | 37 years |  |  |  |
NSC Agua [Member] | Aguas de Rosarito S.A.P.I. de C.V [Member] |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  | 0.40% | 99.60% |
NSC Agua [Member] | First Phase [Member] |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Seawater Reverse Osmosis Desalination Plant Per Day Processing Capacity | gal |  |  |  |  |  | 50 |  |  |  |
NSC Agua [Member] | Second Phase [Member] |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Seawater Reverse Osmosis Desalination Plant Per Day Processing Capacity | gal |  |  |  |  |  | 50 |  |  |  |

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