Additional Comprehensive Income (Loss) Detail (Tables)

12 Months Ended

Dec. 31, 2025

Other Income and Expenses [Abstract]

Schedule of Other Operating Cost and Expense, by Component

Pre-development, reclamation, and other consists of the following:

	Year Ended December 31,
In thousands	2025		2024		2023
Silvertip ongoing carrying costs	$	10,440	$	8,513	$	15,616
Loss on sale of assets	698		4,250		12,879
Asset retirement accretion	19,697		16,778		16,405
Kensington royalty settlement(1)	(95)		7,156		—
Transaction costs	26,409		8,517		—
Wage and hour litigation settlement(1)	7,059		—		—
Other	5,580		6,059		9,736
Pre-development, reclamation and other	$	69,788	$	51,273	$	54,636

(1) See Note 18 -- Commitments and Contingencies for additional details on the Kensington royalty settlement and wage and hour litigation settlement.

Schedule of Nonoperating Income (Expense)

Other, net consists of the following:

	Year Ended December 31,
In thousands	2025		2024		2023
Foreign exchange gain (loss)	$	1,429	$	4,753	$	(459)
Loss on dispositions	—		—		(12,318)
Flow-through shares	764		5,563		2,057
RMC bankruptcy distribution	37		1,294		1,516
Other	4,692		1,417		1,741
Other, net	$	6,922	$	13,027	$	(7,463)