Financial instruments (Tables)

12 Months Ended

Dec. 31, 2023

Financial Instruments [Abstract]

Schedule of Maximum Credit Risk Exposure

The carrying amount of the financial assets below represents the maximum credit risk exposure as at December 31, 2023 and December 31, 2022:

	December 31, 2023		December 31, 2022
Cash and cash equivalents	$	111,738	$	177,702
Short-term investments	—		139,700
Accounts receivable	5,710		10,289
Derivatives	11,254		3,237
Note receivable	17,413		20,630
Deposits and other assets	8,472		3,985
	$	154,587	$	355,543

Maturity of Non-Derivative Financial Liabilities

The table below shows the Company's maturity of non-derivative financial liabilities on December 31, 2023:

Non-derivative financial liabilities	Carrying value		Contractual cash flows		Up to 12 months		1 - 2 years		3 - 5 years		More than 5 years
Loans and borrowings (including interest)	$	426,233	$	593,991	$	37,743	$	34,468	$	82,781	$	438,999
Accounts payable and accrued liabilities	120,704		120,704		120,704		—		—		—
Other non-current liabilities	8,524		23,436		—		10,166		12,640		630
Leases	19,603		19,579		10,929		5,521		3,019		110
Total	$	575,064	$	757,710	$	169,376	$	50,155	$	98,440	$	439,739

Disclosure of maturity analysis for derivative financial liabilities

The Company's outstanding derivative instruments as of December 31, 2023 are as follows:

Contract Description	Notional Amount	Denomination	Weighted average floor	Weighted average cap / forward price	Maturities
Foreign exchange collar (i)	$316.5 million	USD/BRL	4.99	5.36	January 2024 - December 2024
Foreign exchange forward (i)	$60.5 million	USD/BRL	N/A	5.15	January 2024 - December 2024
Copper collar (iii)	6,000 tonnes	$ / lb	$3.60	$4.03	January 2024 - June 2024