v3.7.0.1

Accrued Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2017
Accrued Liabilities |
Schedule of accrued liabilities | Accrued liabilities as of December 31, 2016 and June 30, 2017 consisted of the following items (in thousands):
|  | December 31, 2016 |  | June 30, 2017
Capital expenditures |  | $ | 35,608 |  |  | 42,610
Operating expenses |  |  | 14,582 |  |  | 22,862
Interest |  |  | 10,613 |  |  | 10,681
Other |  |  | 838 |  |  | 943
|  | $ | 61,641 |  |  | 77,096

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