Significant accounting policies (Details)	9 Months Ended
	Sep. 30, 2021 Obligation
Revenue recognition [Abstract]
Number of performance obligations	1
Property, Plant and Equipment, Net [Abstract]
Anticipated drydocking period	5 years
Vessels [Member] | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	5 years
Vessels [Member] | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	30 years
Terminal and Power Plant Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	4 years
Terminal and Power Plant Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	24 years
CHP Facilities [Member] | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	4 years
CHP Facilities [Member] | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	20 years
Gas Terminals [Member] | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	5 years
Gas Terminals [Member] | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	24 years
ISO Containers and Associated Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	3 years
ISO Containers and Associated Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	25 years
LNG Liquefaction Facilities [Member] | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	20 years
LNG Liquefaction Facilities [Member] | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	40 years
Gas Pipelines [Member] | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	4 years
Gas Pipelines [Member] | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	24 years
Leasehold Improvements [Member] | Minimum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	2 years
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment, Net [Abstract]
Estimated economic life	20 years