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Asset Retirement Obligation | 9 Months Ended
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Sep. 30, 2020
Asset Retirement Obligation Disclosure [Abstract] |
Asset Retirement Obligation | Asset Retirement Obligation The Company had a post-closure reclamation and site restoration obligation of $14,805 as of September 30, 2020. The following is a reconciliation of the total reclamation liability for asset retirement obligations.
Balance at December 31, 2019 | $ | 6,142 |
Additions | 8,424 |
Accretion expense | 239 |
Balance at September 30, 2020 | $ | 14,805 |
The additions above are related to the acquisition of Eagle Proppants Holdings. See Note 3 - Business Combination for additional information.

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2175671 + Details
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