Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | $ 398,614 | $ 387,808 |
| Less: accumulated depreciation | (147,513) | (136,899) |
| Property, plant and equipment, net | 251,101 | 250,909 |
| Plant, machinery, furniture and fixtures | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 314,880 | 305,763 |
| Building and leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 14,420 | 14,698 |
| Land and land improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 60,863 | 60,687 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | $ 8,451 | $ 6,660 |