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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 3 Months Ended
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Mar. 31, 2019
Accounting Standards Update 2016-02 |
Summary of impacts of adoption of recent accounting pronouncements |
|  |  | Balance at |  |  |  |  |  | Balance at |
|  |  | December 31, |  |  |  |  |  | January 1, |
|  |  | 2018 |  |  | Adjustments |  |  | 2019 |
Consolidated Balance Sheets |  |  |  |  |  |  |  |  |  |
Operating lease right-of-use assets |  | $ | — |  | $ | 83,222 |  | $ | 83,222 |
Prepaid and other |  |  | 118,245 |  |  | (1,383) |  |  | 116,862 |
Property, plant and equipment |  |  | 991,613 |  |  | 5,876 |  |  | 997,489 |
Current maturities of long-term obligations, net of unamortized debt issuance costs |  |  | 62,678 |  |  | 2,631 |  |  | 65,309 |
Accounts payable and accrued liabilities |  |  | 525,199 |  |  | 20,508 |  |  | 545,707 |
Operating lease liabilities |  |  | — |  |  | 61,331 |  |  | 61,331 |
Long-term obligations, net of unamortized debt issuance costs |  |  | 1,125,993 |  |  | 3,245 |  |  | 1,129,238 |

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