Additional Balance Sheet Detail and Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2024

Supplemental Cash Flow Information [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

Accrued liabilities and other consist of the following:

In thousands	March 31, 2024		December 31, 2023
Accrued salaries and wages	$	22,983	$	31,722
Flow-through share premium received	3,923		5,563
Deferred revenue (1)	55,595		55,547
Income and mining taxes	7,704		11,766
Kensington royalty settlement (1)	6,750		—
Accrued operating costs	12,811		11,081
Unrealized losses on derivatives	7,994		1,981
Taxes other than income and mining	2,104		5,321
Accrued interest payable	3,699		7,957
Operating lease liabilities	8,282		9,975
Accrued liabilities and other	$	131,845	$	140,913

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Condensed Consolidated Balance Sheets that total the same such amounts shown in the Condensed Consolidated Statements of Cash Flows in the three months ended March 31, 2024 and 2023:

In thousands	March 31, 2024		March 31, 2023
Cash and cash equivalents	$	67,489	$	66,977
Restricted cash equivalents	1,751		1,706
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$	69,240	$	68,683