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Restructuring (Tables) | 6 Months Ended
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Jun. 30, 2019
Restructuring [Abstract] |
Restructuring Activity | See the table below for detail of restructuring activity for the three months ended March 31, 2019 (U.S. dollars in thousands):
Beginning balance at January 1, 2019 |  | $ | 15,462 |
Amounts paid |  |  | (15,046 | )
Adjustments |  |  | (416 | )
Ending balance at March 31, 2019 |  | $ | — |

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