XML 47 R36.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Commitments and Contingencies (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Restricted Cash Deposits | Amounts included in restricted cash provide collateral to secure the following obligations:
| March 31, 2024 |  | December 31, 2023
Workers’ compensation and black lung obligations | $ | 107,208 |  |  | $ | 104,998 |
Reclamation-related obligations | 3,922 |  |  | 685 |
Financial payments and other performance obligations | 10,797 |  |  | 10,235 |
Total restricted cash | $ | 121,927 |  |  | $ | 115,918 |
Schedule of Restricted Investments and Deposit Assets | Amounts included in restricted investments provide collateral to secure the following obligations:
| March 31, 2024 |  | December 31, 2023
Workers’ compensation obligations | $ | 3,279 |  |  | $ | 2,514 |
Reclamation-related obligations | 30,305 |  |  | 33,173 |
Financial payments and other performance obligations | 4,471 |  |  | 4,910 |
Total restricted investments (1) | $ | 38,055 |  |  | $ | 40,597 |
(1) Classified as long-term trading securities as of March 31, 2024 and December 31, 2023. Amounts included in deposits provide collateral to secure the following obligations:
| March 31, 2024 |  | December 31, 2023
Workers’ compensation obligations | $ | 4,500 |  |  | $ | 4,500 |
Financial payments and other performance obligations | — |  |  | 32 |
Other operating agreements | 847 |  |  | 850 |
Total deposits | 5,347 |  |  | 5,382 |
Less current portion | — |  |  | (32) |
Total deposits, net of current portion (1) | $ | 5,347 |  |  | $ | 5,350 |
(1) Included within Other non-current assets on the Company’s Condensed Consolidated Balance Sheets.

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

X
- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References No definition available. + Details
Name: | us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 8 -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-8 + Details
Name: | us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration