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Accounts Receivable (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Schedule Of Accounts Receivable, Net [Table Text Block] |
|  | 2013 |  | 2012
Trade | $ | 98,474 | $ | 59,308
Allowance for doubtful accounts |  | (1,099) |  | (899)
|  | 97,375 |  | 58,409
Other |  | 1,062 |  | 1,264
| $ | 98,437 | $ | 59,673
Operating Segments [Member] |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Schedule Of Accounts Receivable, Net [Table Text Block] |
|  | 2013 |  | 2012
Rail Products | $ | 57,342 | $ | 34,886
Construction Products |  | 35,711 |  | 18,677
Tubular Products |  | 4,322 |  | 4,846
| $ | 97,375 | $ | 58,409

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + Details
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