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Supplemental Cash Flow Information (Tables) | 9 Months Ended
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Sep. 30, 2018
Supplemental Cash Flow Information [Abstract] |
Supplemental Cash Flow Information | Expenditures included in accounts payable and accrued expenses were as follows (in thousands):
|  | As of |  | As of
|  | September 30, 2018 |  | September 30, 2017
Costs relating to construction included in accounts payable and accrued expenses |  | $ | 14,307 |  |  | $ | 27,090 |
Interest paid, net of interest capitalized was as follows (in thousands):
|  | Nine months ended September 30,
|  | 2018 |  | 2017
Interest paid, net of interest capitalized |  | $ | 46,154 |  |  | $ | 43,102 |

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