|
Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
|
12 Months Ended |
|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, gross |
881,080 |
$ 890,222 |
| Less: accumulated depreciation |
(324,383) |
(283,795) |
| Property, plant and equipment, net |
556,697 |
606,427 |
| Land [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, gross |
47,196 |
50,982 |
| Land and Waterway Improvements [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, gross |
13,139 |
13,603 |
| Land and Waterway Improvements [Member] | Minimum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
1 year |
|
| Land and Waterway Improvements [Member] | Maximum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
20 years |
|
| Buildings [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, gross |
55,693 |
58,447 |
| Buildings [Member] | Minimum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
2 years |
|
| Buildings [Member] | Maximum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
40 years |
|
| Machinery and Equipment [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, gross |
640,861 |
627,068 |
| Machinery and Equipment [Member] | Minimum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
1 year |
|
| Machinery and Equipment [Member] | Maximum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
20 years |
|
| Utility and Supply Lines [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, gross |
7,679 |
7,100 |
| Utility and Supply Lines [Member] | Minimum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
1 year |
|
| Utility and Supply Lines [Member] | Maximum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
10 years |
|
| Leasehold Interests [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, gross |
45,759 |
50,009 |
| Leasehold Interests [Member] | Minimum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
1 year |
|
| Leasehold Interests [Member] | Maximum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
45 years |
|
| Other Property [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, gross |
24,560 |
27,260 |
| Other Property [Member] | Minimum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
1 year |
|
| Other Property [Member] | Maximum [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, Estimated Useful Lives (Years) |
8 years |
|
| Construction in Process [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Property, plant and equipment, gross |
46,193 |
$ 55,753 |