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Acquisition of Interstate Distributor Co. (Tables) | 9 Months Ended
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Sep. 30, 2017
Business Acquuisition Pro Forma Table [Abstract] |
Business Acquisition, Pro Forma Information [Table Text Block] |
| Year ended |  | Nine months ended
| December 31, 2016 |  | September 30, 2017
| (in thousands)
Operating revenue | $ | 938,007 |  |  | $ | 590,794 |
Net income | $ | 54,222 |  |  | $ | 34,148 |
Business Acquisitions, Purchase Price Allocation, Year of Acquisition, Description |
ALLOCATION OF PURCHASE PRICE | (in thousands)
Cash paid (before netting $6.3 million cash acquired) |  | $ | 93,951 |
Allocated to: |  |
Historical book value of IDC's assets and liabilities, net of cash acquired | 83,903 |  |
Adjustments to recognize assets and liabilities at acquisition-date fair value: |  |
Property, plant, and equipment | (33,349 | ) |
Other assets | (2,822 | ) |
Liabilities | 9,546 |  |
Fair value of tangible net assets acquired |  | 57,278 |
Identifiable intangibles at acquisition-date fair value |  | 4,700 |
Excess of consideration transferred over the net amount of assets and liabilities recognized (goodwill) |  | 31,973 |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] |
| (in thousands)
Cash and cash equivalents | $ | 6,316 |
Trade and other accounts receivable | 35,131 |
Other current assets | 3,333 |
Property and equipment | 71,964 |
Other non-current assets | 1,244 |
Intangible assets | 4,700 |
Goodwill | 31,973 |
Total assets | 154,661 |
Accounts payable, accrued expenses, and current portion of long-term debt | (31,884 | )
Insurance accruals | (10,826 | )
Long-term debt | (17,404 | )
Other accruals | (596 | )
Total consideration transferred | $ | 93,951 |
Schedule of Business Acquisitions by Acquisition, Contingent Consideration [Table Text Block] |
TOTAL PURCHASE PRICE CONSIDERATION | (in thousands)
Cash paid pursuant to Stock Purchase Agreement | $ | 93,951 |
Cash acquired included in historical book value of IDC assets and liabilities | (6,316 | )
Net cash paid | $ | 87,635 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Tabular disclosure of contingent payment arrangements including the terms that will result in payment and the accounting treatment that will be followed if such contingencies occur, including the potential impact on earnings per share if contingencies are to be settled in common stock of the entity. The description also may include the period over which amounts are expected to be paid, and changes in the amount since the previous reporting period. This also includes contingent options and commitments. + References No definition available. + Details
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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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