| Component: (Network and Table) | |
|---|---|
| Network | 2319301 - Disclosure - Asset Retirement Obligations and Reclamation (Tables) (http://www.armstrongenergyinc.com/role/AssetRetirementObligationsAndReclamationTables)  | 
| Table | (Implied) | 
| Reporting Entity [Axis] | 0001532288 (http://www.sec.gov/CIK) | 
| Asset Retirement Obligation Disclosure [Abstract] | Period [Axis] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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2016-01-01 - 2016-12-31  | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Asset Retirement Obligation Disclosure [Abstract]  | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Summary of Asset Retirement Obligation and Reclamation Balances  | Asset retirement obligation and reclamation balances consist of the following as of December 31, 2016 and 2015: 
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