Property, Plant and Equipment and Inventory - Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | $ 221,810 | $ 175,059 |
| Less: accumulated depreciation | (76,363) | (59,111) |
| Total | 145,447 | 115,948 |
| Machinery and Equipment [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 152,757 | 126,850 |
| Office Furniture, Computers and Software [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 12,813 | 8,771 |
| Leasehold Improvements [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | 13,232 | 7,582 |
| Buildings and Land [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, plant and equipment, gross | $ 43,008 | $ 31,856 |