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Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2017
Supplemental Cash Flow Elements [Abstract] |
Supplemental Cash Flow Information |
| Three months ended |  | Six months ended
| June 30, 2017 |  | June 30, 2016 |  | June 30, 2017 |  | June 30, 2016
Supplemental disclosures: | (in thousands)
Interest paid | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Income taxes paid | $ | 4,127 |  |  | $ | 10,329 |  |  | $ | 4,488 |  |  | $ | 10,847 |
Non-cash investing and financing activities: |  |  |  |  |  |  |  |  |  |  |
Non-cash capital expenditures | $ | (874 | ) |  | $ | 1,047 |  |  | $ | 224 |  |  | $ | 1,312 |
Dividends declared | 6,849 |  |  | 5,834 |  |  | 6,849 |  |  | 5,834 |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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- References No definition available. + Details
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