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Significant Non-Cash Investing Activities
6 Months Ended
Jun. 30, 2016
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 June 30, 2016 and 2015, the Company had outstanding receivables from outside parties for the funding of capital expenditures of $12.5 million and $20.9 million, respectively. At June 30, 2016 and 2015, the Company also had $10.4 million and $45.1 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.