Subsequent Events	6 Months Ended
Jun. 30, 2020
Subsequent Events
Subsequent Events	22. Subsequent Events On July 2, 2020 the Company issued $53.1 million of bonds in the U.S. tax-exempt market through the West Virginia Economic Development Authority at a fixed interest rate of 5.00%. The bonds are subject to a mandatory tender for purchase by the company on July 1, 2025. In keeping with the requirements of the tax-exempt issuance, proceeds from the offering will be used to fund the construction of the Leer South mine’s preparation plant and other facilities associated with waste management. The Company received approximately $30 million of cash upon closing, reflecting the amount of qualified expenditures already completed, and will receive the remainder over the next several quarters as work continues.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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