XML 45 R34.htm IDEA: XBRL DOCUMENT
v3.21.2

Supplemental Financial Information (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Schedule of Prepaid Expenses and Other Assets and Other assets | The following table summarizes the components of Prepaid expenses and other assets and Other long-term assets, net as presented in the Condensed Consolidated Balance Sheets:
|  | As of
(in thousands) | September 30, 2021 |  | December 31, 2020
Prepaid expenses and other assets: |  |  |  |
Prepaid expenses |  | $ | 2,370 |  |  | $ | 1,690 |
Prepaid income taxes and income tax refunds |  | 1,038 |  |  | 1,605 |
Other |  | 1,206 |  |  | 1,302 |
|  | $ | 4,614 |  |  | $ | 4,597 |
Other long-term assets, net: |  |  |  |
Cabot Receivable (1) |  | $ | 6,812 |  |  | $ | 8,852 |
Upfront Customer Consideration (1) |  | 7,109 |  |  | 7,490 |
Mine development costs, net |  | 5,291 |  |  | 4,338 |
Right of use assets, operating leases, net |  | 6,399 |  |  | 1,930 |
Spare parts, net |  | 4,316 |  |  | 3,727 |
Mine reclamation asset, net |  | 1,644 |  |  | 1,712 |
Highview Investment |  | 552 |  |  | 552 |
Other |  | 1,278 |  |  | 1,388 |
|  | $ | 33,401 |  |  | $ | 29,989 |
(1) See further discussion of Upfront Customer Consideration in Note 3 and Cabot Receivable in Note 4 and Note 10.
Schedule of Other Liabilities | The following table details the components of Other current liabilities and Other long-term liabilities as presented in the Condensed Consolidated Balance Sheets:
|  | As of
(in thousands) |  | September 30, 2021 |  | December 31, 2020
Other current liabilities: |  |  |  |
Current portion of operating lease obligations |  | $ | 2,289 |  |  | $ | 1,883 |
Current portion of mine reclamation liability |  | 4,856 |  |  | 9,370 |
Income and other taxes payable |  | 2,409 |  |  | 1,305 |
Other current liabilities |  | 312 |  |  | 438 |
|  | $ | 9,866 |  |  | $ | 12,996 |
Other long-term liabilities: |  |  |  |
Mine reclamation liabilities |  | $ | 8,028 |  |  | $ | 12,077 |
Operating lease obligations, long-term |  | 4,582 |  |  | 1,109 |
Other long-term liabilities |  | 208 |  |  | 287 |
|  | $ | 12,818 |  |  | $ | 13,473 |
Schedule of Change in Asset Retirement Obligation | The Mine reclamation liability related to the Five Forks Mine is included in Other long-term liabilities. The Mine reclamation liability related to Marshall Mine, which was assumed in the Marshall Mine Acquisition, is included in Other current liabilities and Other long-term liabilities. The Mine reclamation liabilities represent AROs. Changes in the AROs were as follows:
|  | As of
(in thousands) |  | September 30, 2021 |  | December 31, 2020
Asset retirement obligation, beginning of period |  | $ | 21,447 |  |  | $ | 2,721 |
Asset retirement obligation assumed |  | — |  |  | 21,328 |
Accretion |  | 901 |  |  | 543 |
Liabilities settled |  | (7,522) |  |  | (3,565) |
Changes due to scope and timing of reclamation |  | (1,942) |  |  | 420 |
Asset retirement obligations, end of period |  | 12,884 |  |  | 21,447 |
Less current portion |  | 4,856 |  |  | 9,370 |
Asset retirement obligation, long-term |  | $ | 8,028 |  |  | $ | 12,077 |
Schedule of Statement of Operations, Supplemental Disclosures | The following table details the components of Interest expense in the Condensed Consolidated Statements of Operations:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Interest on Senior Term Loan |  | $ | — |  |  | $ | 339 |  |  | $ | 207 |  |  | $ | 1,453 |
Debt discount and debt issuance costs |  | — |  |  | 355 |  |  | 946 |  |  | 1,064 |
453A interest |  | 3 |  |  | 94 |  |  | 10 |  |  | 254 |
Other |  | 83 |  |  | 93 |  |  | 253 |  |  | 282 |
|  | $ | 86 |  |  | $ | 881 |  |  | $ | 1,416 |  |  | $ | 3,053 |

X
- Definition Schedule of Statement of Operations, Supplemental Disclosures [Table Text Block] + References No definition available. + Details
Name: | ades_ScheduleofStatementofOperationsSupplementalDisclosuresTableTextBlock
Namespace Prefix: | ades_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract
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 Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + 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 other liabilities. + References No definition available. + Details
Name: | us-gaap_OtherLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
Name: | us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration