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Related Party (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Related Party Transaction [Line Items] |  |  |  |  |
Operating Leases, Rent Expense | $ 3,800 | $ 0 | $ 3,800 | $ 800 |
Due to Related Parties, Current | 100 |  | 100 |  | $ 100
Costs and Expenses, Related Party | 593 | 834 | 1,624 | 7,553 |
Related Party |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Payments for Tractor Purchase |  |  | 0 | 4,300 |
Operating Leases, Rent Expense |  | 0 | 0 | 813 |
Payments for parts and services | 172 | 368 | 409 | 1,151 |
Terminal Facilities |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Operating Leases, Rent Expense | 1,500 | 500 | 2,500 | 1,600 |
Terminal Facilities | Related Party |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Operating Leases, Rent Expense | $ 421 | $ 466 | 1,227 | 1,397 |
Trailers [Member] | Related Party |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Fair value of revenue equipment traded |  |  | $ (12) | $ (108) |

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- Definition Costs of sales and operating expenses for the period incurred from transactions with related parties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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- Definition Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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