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Income and Mining Taxes (Tables) | 12 Months Ended
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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 |

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