XML 230 R35.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Note 11 - Fair Value Measurement (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Fair Value Disclosures [Abstract] |
Fair value adjustments net | Fair value adjustments, net is comprised of the following (in thousands):
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Gain (loss) on derivative contracts |  | $ | 3,168 |  |  | $ | 844 |  |  | $ | (32,655 | )
Unrealized (loss) on investments in equity securities |  |  | (243 | ) |  |  | (5,632 | ) |  |  | (4,295 | )
Gain on disposition or exchange of investments |  |  | — |  |  |  | 65 |  |  |  | 1,158 |
Total fair value adjustments, net |  | $ | 2,925 |  |  | $ | (4,723 | ) |  | $ | (35,792 | )
Schedule of assets and liabilities at fair value on a recurring basis | The table below sets forth our assets and liabilities (in thousands) that were accounted for at fair value on a recurring basis and the fair value calculation input hierarchy level that we have determined applies to each asset and liability category. See Note 6 for information on the fair values of our defined benefit pension plan assets.
|  | Balance at December 31, 2023 |  |  | Balance at December 31, 2022 |  |  | Input Hierarchy Level
Assets: |  |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |
Money market funds and other bank deposits |  | $ | 106,374 |  |  | $ | 104,743 |  |  | Level 1
Current and non-current investments: |  |  |  |  |  |  |  |
Equity securities |  |  | 32,284 |  |  |  | 24,018 |  |  | Level 1
Trade accounts receivable: |  |  |  |  |  |  |  |
Receivables from provisional concentrate sales |  |  | 14,740 |  |  |  | 45,146 |  |  | Level 2
Derivative contracts - other current assets and other non-current assets: |  |  |  |  |  |  |  |
Metal forward contracts |  |  | 4,698 |  |  |  | 1,309 |  |  | Level 2
Foreign exchange contracts |  |  | 4,657 |  |  |  | 1,518 |  |  | Level 2
Restricted cash and cash equivalents balances: |  |  |  |  |  |  |  |
Certificates of deposit and other deposits |  |  | 1,165 |  |  |  | 1,164 |  |  | Level 1
Total assets |  | $ | 163,918 |  |  | $ | 177,898 |  |  |
Liabilities |  |  |  |  |  |  |  |
Derivative contracts - current and non-current derivative liabilities: |  |  |  |  |  |  |  |
Metal forward contracts |  | $ | 40 |  |  | $ | 14,643 |  |  | Level 2
Foreign exchange contracts |  |  | 1,508 |  |  |  | 7,548 |  |  | Level 2
Total liabilities |  | $ | 1,548 |  |  | $ | 22,191 |  |  |

X
- Definition Tabular disclosure of the amount of gains or losses for the period included in earnings or resulted in a change to net assets, have arisen from the use of significant unobservable inputs (level 3) to measure the fair value of assets, liabilities, and financial instruments classified in shareholders' equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration