Quarterly report pursuant to Section 13 or 15(d)

OTHER NON-CURRENT ASSETS

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OTHER NON-CURRENT ASSETS
3 Months Ended
Mar. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
OTHER NON-CURRENT ASSETS
NOTE 5 — OTHER NON-CURRENT ASSETS
Other non-current assets consist of the following (in thousands):
March 31, 2022 December 31, 2021
Land lease and purchase options $ 799  $ 6,368 
Permitting costs —  13,408 
Right of use asset — operating leases 13,437  10,166 
Restricted cash 23,778  1,778 
Investment in unconsolidated entity 6,089  — 
Other 1,190  1,798 
Total other non-current assets $ 45,293  $ 33,518 
Land Lease and Purchase Options
We hold lease and purchase option agreements (the “Options”) for certain tracts of land and associated river frontage. Upon exercise of the Options, the leases are subject to maximum terms of 50 years (inclusive of various renewals, at the option of the Company). Costs of the Options will be amortized over the life of the lease once obtained, or capitalized into the cost of land if purchased. During the three months ended March 31, 2022, we capitalized land purchase options of approximately $5.5 million related to purchases for the Driftwood Project. Land purchase options held by the Company as of March 31, 2022 are related to the Driftwood pipeline.
Permitting Costs
Permitting costs primarily represented the purchase of wetland credits in connection with our permit application to the USACE in 2017 and 2018. These wetland credits were transferred to construction in progress upon issuing the limited notice to proceed in March 2022 to Bechtel. See Note 3, Property, Plant and Equipment, for further information. These wetland credits will be applied to our permit in accordance with the Clean Water Act and the Rivers and Harbors Act, which require us to mitigate the potential impact to Louisiana wetlands that might be caused by the construction of the Driftwood Project.
Restricted Cash
Restricted cash as of March 31, 2022 and December 31, 2021, represents cash collateralization of a letter of credit associated with a finance lease.

Investment in unconsolidated entity
On February 24, 2022, the Company purchased 1.5 million ordinary shares of an unaffiliated entity engaged in renewable energy services for a total cost of approximately $6.1 million. This investment does not provide the Company with a controlling financial interest in or significant influence over the operating or financial decisions of the unaffiliated entity. The Company’s investment was recorded at cost.