Revenue Recognition - Schedule of Revenue Disaggregated by Source and Location (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Total revenues	$ 23,033	$ 17,664
Brazil
Disaggregation of Revenue [Line Items]
Total revenues	2,766	1,544
Mexico
Disaggregation of Revenue [Line Items]
Total revenues	3,766	1,616
United States
Disaggregation of Revenue [Line Items]
Total revenues	16,501	14,504
LNG Product
Disaggregation of Revenue [Line Items]
Total revenues	16,785	11,695
Rental
Disaggregation of Revenue [Line Items]
Total revenues	3,305	3,387
Service
Disaggregation of Revenue [Line Items]
Total revenues	76	242
Power Delivery
Disaggregation of Revenue [Line Items]
Total revenues	2,766	1,544
Other
Disaggregation of Revenue [Line Items]
Total revenues	$ 101	$ 796