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Details of Certain Accounts - Other Non-Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Other non-current liabilities
Deferred revenue (Note 8)		$ 699
Asset retirement obligations (Note 12)	$ 65,794	62,947
Other	2,974	3,325
Total other non-current liabilities	$ 68,768	$ 66,971

X

- Definition

Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

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