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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables) | 9 Months Ended
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Sep. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Basis of Consolidation | Basis of Consolidation The unaudited condensed consolidated financial statements include our accounts and the accounts of our wholly-owned subsidiaries, including the following operations as of September 30, 2019:
Name |  | Location |  | Business Segment |  | Status of Operations
Northshore |  | Minnesota |  | Mining and Pelletizing |  | Active
United Taconite |  | Minnesota |  | Mining and Pelletizing |  | Active
Tilden |  | Michigan |  | Mining and Pelletizing |  | Active
Empire |  | Michigan |  | Mining and Pelletizing |  | Indefinitely Idled
Toledo HBI |  | Ohio |  | Metallics |  | Construction Stage
Intercompany transactions and balances are eliminated upon consolidation.

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