Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | $ 387,808 | $ 371,278 |
| Less: accumulated depreciation | (136,899) | (121,152) |
| Property, plant and equipment, net | 250,909 | 250,126 |
| Plant, Machinery, Furniture and Fixtures [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 305,763 | 293,080 |
| Building and Leasehold Improvements [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 14,698 | 14,565 |
| Land and Land Improvements [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 60,687 | 60,395 |
| Construction in Progress [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | $ 6,660 | $ 3,238 |