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