Note 7 - Other Non-current Assets - Schedule of Other Non-current Assets (Details) - USD ($) $ in Thousands		Sep. 30, 2023	Dec. 31, 2022
Permitting costs	[1]	$ 0	$ 8,540
Rio Grande Site Lease initial direct costs (2)	[2]	0	19,647
Contributions in aid of construction		7,534	0
Deposits and other		3,487	185
Total other non-current assets		$ 11,021	$ 28,372

[1] Permitting costs primarily represent costs incurred in connection with permit applications to the United States Army Corps of Engineers and the U.S. Fish and Wildlife Service for mitigation measures for potential impacts to wetlands and habitat that may be caused by the construction of the Rio Grande LNG Facility. Permitting costs were reclassified to property, plant and equipment in July 2023 with the positive final investment decision on phase 1 of the Rio Grande LNG Facility.

[2] Rio Grande Site Lease initial direct costs were reclassified to operating lease right-of-use asset in July 2023 upon commencement of the Rio Grande site lease.