Income and Mining Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The components of Income (loss) before income taxes are below:

	Year Ended December 31,
In thousands	2022		2021		2020
United States	$	(107,477)	$	(34,196)	$	40,890
Foreign	44,028		37,832		21,782
Total	$	(63,449)	$	3,636	$	62,672

The components of the consolidated Income and mining tax (expense) benefit from continuing operations are below:

	Year Ended December 31,
In thousands	2022		2021		2020
Current:
United States	$	(21)	$	25	$	226
United States — State mining taxes	(2,936)		(5,691)		(8,384)
United States — Foreign withholding tax	(300)		(862)		(800)
Canada	(305)		—		232
Mexico	(29,546)		(31,175)		(36,066)
Other	—		—		33
Deferred:
United States	215		(651)		(49)
United States — State mining taxes	5,558		1,037		(354)
Canada	254		1,224		—
Mexico	12,423		1,135		8,117
Other	—		—		—
Income tax (expense) benefit	$	(14,658)	$	(34,958)	$	(37,045)

Schedule of Effective Income Tax Rate Reconciliation

The Company’s Income and mining tax benefit (expense) differed from the amounts computed by applying the United States statutory corporate income tax rate for the following reasons:

	Year Ended December 31,
In thousands	2022		2021		2020
Income and mining tax (expense) benefit at statutory rate	$	13,249	$	(764)	$	(13,161)
State tax provision from continuing operations	2,871		2,009		(152)
Change in valuation allowance	(36,670)		(28,615)		(17,522)
Percentage depletion	3,538		4,968		5,056
Uncertain tax positions	655		920		2,321
U.S. and foreign permanent differences	365		4,105		3,844
Foreign exchange rates	(145)		(384)		1,390
Foreign inflation and indexing	2,897		(1,087)		684
Foreign tax rate differences	(4,994)		(4,901)		(3,971)
Mining, foreign withholding, and other taxes	(11,070)		(12,599)		(17,457)
Sale of non-core assets	15,447		—		—
Other, net	(801)		1,390		1,923
Income and mining tax (expense) benefit	$	(14,658)	$	(34,958)	$	(37,045)

Schedule of Deferred Tax Assets and Liabilities

At December 31, 2022 and 2021, the significant components of the Company’s deferred tax assets and liabilities are below:

	Year Ended December 31,
In thousands	2022		2021
Deferred tax liabilities:
Royalty and other long-term debt	—		1,495
	$	—	$	1,495
Deferred tax assets:
Net operating loss carryforwards	$	282,776	$	267,944
Mineral properties	31,095		6,525
Property, plant, and equipment	12,562		13,161
Mining royalty tax	7,440		8,147
Capital loss carryforwards	1,784		15,404
Asset retirement obligation	44,413		39,262
Unrealized foreign currency loss and other	—		1,013
Accrued expenses	30,379		20,589
Tax credit carryforwards	16,167		26,594
Other long-term assets	3,914		—
	430,530		398,639
Valuation allowance	(444,989)		(430,053)
	(14,459)		(31,414)
Net deferred tax liabilities	$	14,459	$	32,909

Summary of Valuation Allowance

Based upon this analysis, the Company has recorded valuation allowances as follows:

	Year Ended December 31,
In thousands	2022		2021
U.S.	$	245,899	$	228,942
Canada	178,310		165,561
Mexico	441		13,277
New Zealand	19,993		21,822
Other	346		451
	$	444,989	$	430,053

Summary of Tax Credit Carryforwards

The Company has the following tax attribute carryforwards at December 31, 2022, by jurisdiction:

In thousands	U.S.		Canada		Mexico		New Zealand		Other		Total
Regular net operating losses	$	535,016	$	442,941	$	1,046	$	71,117	$	977	$	1,051,097
Expiration years	2024-2037, Indefinite		2028-2042		2029-2033		Indefinite		2025-2027
Capital losses	—		—		—		—		—		—
Foreign tax credits	10,864		—		—		—		—		10,864

Summary of Income Tax Contingencies

A reconciliation of the beginning and ending amount related to unrecognized tax benefits is below (in thousands):

Unrecognized tax benefits at December 31, 2020	$	723
Gross increase to current period tax positions	—
Gross increase to prior period tax positions
Reductions in unrecognized tax benefits resulting from a lapse of the applicable statute of limitations	(428)
Unrecognized tax benefits at December 31, 2021	$	295
Gross increase to current period tax positions	—
Gross increase to prior period tax positions	24
Reductions in unrecognized tax benefits resulting from a lapse of the applicable statute of limitations	(315)
Unrecognized tax benefits at December 31, 2022	$	4