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Significant Non-Cash Investing Activities
3 Months Ended
Mar. 31, 2019
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]  
Significant Non-Cash Investing and Financing Activities
SIGNIFICANT NON-CASH INVESTING AND FINANCING ACTIVITIES:
As of March 31, 2019 and 2018, the Company had outstanding accounts receivable from outside parties for the funding of capital expenditures of $17.3 million and $16.1 million, respectively. As of March 31, 2019 and 2018, the Company also had $21.1 million and $8.8 million, respectively, of purchases of property and equipment that were not paid and, accordingly, were accrued in accounts payable in the normal course of business. See Note 5, Leases, for right-of-use assets obtained during the reporting period in exchange for lease liabilities.