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GOODWILL AND INTANGIBLE ASSETS (Details 2) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Finite-lived intangible assets |  |  |
Weighted Average Amortization Period | 13 years |  |
Cost | $ 46,700,000 |  |
Accumulated Amortization | 7,478,000 |  |
Net Value | 39,222,000 |  |
Indefinite-lived intangible assets |  |  |
Net Value | 35,122,000 |  |
Total intangible assets |  |  |
Cost | 81,822,000 |  |
Net Value | 74,344,000 |  | 75,387,000
Amortization expense on intangible assets |  |  |
Amortization of intangibles | 1,043,000 | 1,043,000 |
Trade name |  |  |
Indefinite-lived intangible assets |  |  |
Net Value | 32,300,000 |  |
Other |  |  |
Indefinite-lived intangible assets |  |  |
Net Value | 2,822,000 |  |
Customer relationships |  |  |
Finite-lived intangible assets |  |  |
Weighted Average Amortization Period | 14 years |  |
Cost | 43,500,000 |  |
Accumulated Amortization | 5,567,000 |  |
Net Value | 37,933,000 |  |
Driver network |  |  |
Finite-lived intangible assets |  |  |
Weighted Average Amortization Period | 3 years |  |
Cost | 3,200,000 |  |
Accumulated Amortization | 1,911,000 |  |
Net Value | 1,289,000 |  |
Premium Logistics (Panther) | Minimum |  |  |
Amortization expense on intangible assets |  |  |
Annual amortization expense on intangible assets expected for the full years 2014 through 2018 | 3,000,000 |  |
Premium Logistics (Panther) | Maximum |  |  |
Amortization expense on intangible assets |  |  |
Annual amortization expense on intangible assets expected for the full years 2014 through 2018 | $ 4,000,000 |  |

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- Definition Sum of the gross carrying amounts before accumulated amortization or impairments, if any, as of the balance sheet date of all intangible assets. + References No definition available. + Details
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- Definition The amount of amortization expense expected to be recognized annually for the next five fiscal years following the latest fiscal year, for intangible assets subject to amortization. + References No definition available. + Details
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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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