XML 133 R108.htm IDEA: XBRL DOCUMENT
v3.20.4

ACCRUED WORKERS' COMPENSATION AND PNEUMOCONIOSIS BENEFITS - Recognized in Balance Sheet (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
ACCRUED WORKERS' COMPENSATION AND PNEUMOCONIOSIS BENEFITS |  |  |
Workers' compensation claims | $ 54,739 | $ 53,384 | $ 49,539
Pneumoconiosis benefit claims | 108,496 | 97,683 |
Total obligations | 163,235 | 151,067 |
Less current portion | (10,646) | (11,175) |
Non-current obligations | $ 152,589 | $ 139,892 |

X
- Definition Represents the liability for benefits payable to workers affected by coal workers pneumoconiosis. + References No definition available. + Details
Name: | arlp_PneumoconiosisBenefitsCurrentAndNoncurrent
Namespace Prefix: | arlp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Also includes, the current portion of the liability for benefits payable to workers affected by coal workers pneumoconiosis. + References No definition available. + Details
Name: | arlp_WorkersCompensationAndPneumoconiosisBenefitsCurrent
Namespace Prefix: | arlp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Also includes the liability for benefits payable to workers affected by coal workers pneumoconiosis. + References No definition available. + Details
Name: | arlp_WorkersCompensationAndPneumoconiosisBenefitsCurrentAndNoncurrent
Namespace Prefix: | arlp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. Used to reflect the noncurrent portion of the liabilities (due after one year or the normal operating cycle if longer). Also includes the noncurrent portion of the liability for benefits payable to workers affected by coal workers pneumoconiosis. + References No definition available. + Details
Name: | arlp_WorkersCompensationAndPneumoconiosisBenefitsNoncurrent
Namespace Prefix: | arlp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)(5)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)(a)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: 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(20)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: 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(24)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_WorkersCompensationLiabilityCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant