|
Goodwill and Intangible Assets Goodwill (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Mar. 31, 2015
|
Dec. 31, 2014
|
|
| Changes in carrying amounts of goodwill | |||
| Beginning Goodwill Gross | $ 129,350 | $ 129,350 | |
| Accumulated impairment losses | (116,377) | (116,377) | |
| Goodwill Net Beginning Balance | 12,973 | 12,973 | |
| Ending Goodwill Gross | 129,350 | 129,350 | 129,350 |
| Goodwill Net Ending Balance | 12,973 | 12,973 | 12,973 |
| Metals Segment [Member] | |||
| Changes in carrying amounts of goodwill | |||
| Beginning Goodwill Gross | 116,377 | 116,377 | |
| Accumulated impairment losses | (116,377) | (116,377) | |
| Goodwill Net Beginning Balance | 0 | 0 | |
| Ending Goodwill Gross | 116,377 | 116,377 | 116,377 |
| Goodwill Net Ending Balance | 0 | 0 | 0 |
| Plastics Segment | |||
| Changes in carrying amounts of goodwill | |||
| Beginning Goodwill Gross | 12,973 | ||
| Accumulated impairment losses | 0 | 0 | |
| Goodwill Net Beginning Balance | 12,973 | ||
| Goodwill, Impairment Loss | 0 | ||
| Ending Goodwill Gross | 12,973 | 12,973 | |
| Goodwill Net Ending Balance | $ 12,973 | $ 12,973 |