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Accrued Liabilities and Other and Other Long-Term Liabilities - Schedule of Accrued Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred revenues - current	$ 852	$ 4,208
Current portion of derivative liabilities (note 15)	180	1,260
Office lease liability – current (note 1)	9,389	11,105
Asset Retirement Obligation, Current	6,161	12,000
Accrued liabilities and other (notes 6)	103,063	141,574
Accrued liabilities	93,728	122,511
Office Building [Member]
Office lease liability – current (note 1)	$ 2,142	$ 1,595

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Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Current 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 current.

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-Publisher FASB
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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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