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Accounts and Notes Receivable (Tables) | 3 Months Ended
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Mar. 31, 2018
Receivables [Abstract] |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] | The Company’s accounts and notes receivable balances consisted of the following as of March 31, 2018 and December 31, 2017:
| March 31, 2018 |  | December 31, 2017
| (in thousands)
Short-term |  |  |
Accounts and notes receivable | $ | 383,919 |  |  | $ | 390,705 |
Allowance for doubtful accounts | (48,905 | ) |  | (11,985 | )
| $ | 335,014 |  |  | $ | 378,720 |
Long-term |  |  |
Notes receivable | $ | 38,814 |  |  | $ | 15,476 |
Total accounts and notes receivable | $ | 373,828 |  |  | $ | 394,196 |

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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 + Details
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