Quarterly report pursuant to Section 13 or 15(d)

Acquisitions and Goodwill (Details)

v3.5.0.2
Acquisitions and Goodwill (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2016
USD ($)
$ / shares
Sep. 30, 2015
USD ($)
$ / shares
Aug. 29, 2016
USD ($)
Jan. 25, 2016
USD ($)
Dec. 31, 2015
USD ($)
Mar. 09, 2015
USD ($)
Segment Reporting Information [Line Items]              
Proceeds from term loan   $ 0 $ 125,000        
Long-term Debt, Term     2 year        
Business Acquisition, Pro Forma Revenue   717,737 $ 736,932        
Business Acquisition, Pro Forma Income from Operations   31,756 50,451        
Business Acquisition, Pro Forma Net Income (Loss)   $ 14,964 $ 29,868        
Business Acquisition, Pro Forma Earnings Per Share, Basic | $ / shares   $ 0.49 $ 0.97        
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ / shares   $ 0.49 $ 0.96        
Business Acquisition, Goodwill, Expected Tax Deductible Amount $ 100,156 $ 100,156          
Carrying value of goodwill 184,675 184,675       $ 205,609  
Goodwill, Acquired During Period   6,282          
Goodwill, Impairment Loss   25,686          
Goodwill, Purchase Accounting Adjustments   $ (1,530)          
Towne [Member]              
Segment Reporting Information [Line Items]              
Business Acquisition, Cash Paid             $ 61,878
Escrow Deposit             16,500
Number of service points   61          
Number of independent contractor tractors   525          
Severance Costs     $ 2,588        
Restructuring and Related Cost, Incurred Cost     11,290        
Business Combination, Acquisition Related Costs     $ 9,059        
Restructuring Reserve 4,775 $ 4,775          
Restructuring Reserve, Period Decrease 700 3,862          
Carrying value of goodwill             59,666
Business Combination, Acquired Receivables, Gross Contractual Amount             24,068
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets             2,916
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment             2,095
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets             614
Business Combination, Recognized Identifiable Assets Acquired and Total Liabilities Assumed, Total Tangible Assets             29,693
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles             125,666
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets             155,359
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities             28,920
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other             3,886
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt             59,544
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities             1,131
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities             93,481
Business Combination, Recognized Identifiable Assets Acquired and Total Liabilities Assumed, Net Total Assets             61,878
Triumph & Ace [Member]              
Segment Reporting Information [Line Items]              
Carrying value of goodwill 6,282 6,282          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment 1,294 1,294          
Business Combination, Recognized Identifiable Assets Acquired and Total Liabilities Assumed, Total Tangible Assets 1,294 1,294          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles 11,756 11,756          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets 13,050 13,050          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other 1,250 1,250          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities 1,250 1,250          
Business Combination, Recognized Identifiable Assets Acquired and Total Liabilities Assumed, Net Total Assets 11,800 11,800          
Triumph [Member]              
Segment Reporting Information [Line Items]              
Business Acquisition, Cash Paid       $ 10,100      
Business Combination, Contingent Consideration, Liability       $ 1,250      
Expedited LTL [Member]              
Segment Reporting Information [Line Items]              
Carrying value of goodwill 97,593 97,593       99,123  
Goodwill, Purchase Accounting Adjustments   (1,530)          
Truckload Expedited [Member]              
Segment Reporting Information [Line Items]              
Carrying value of goodwill 45,164 45,164       45,164  
Goodwill, Impaired, Accumulated Impairment Loss (25,686) (25,686)          
Goodwill, Impairment Loss   25,686          
Impairment of Intangible Assets, Finite-lived   16,501          
Other Asset Impairment Charges   255          
Pool Distribution [Member]              
Segment Reporting Information [Line Items]              
Carrying value of goodwill 12,359 12,359       12,359  
Goodwill, Impaired, Accumulated Impairment Loss (6,953) (6,953)       (6,953)  
Intermodal [Member]              
Segment Reporting Information [Line Items]              
Carrying value of goodwill 62,198 62,198       $ 55,916  
Goodwill, Acquired During Period   $ 6,282          
Ace [Member]              
Segment Reporting Information [Line Items]              
Business Acquisition, Cash Paid         $ 1,700    
Noncompete Agreements [Member] | Triumph & Ace [Member]              
Segment Reporting Information [Line Items]              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   5 years          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 139 $ 139          
Customer Relationships [Member] | Towne [Member]              
Segment Reporting Information [Line Items]              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   20 years          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill             66,000
Customer Relationships [Member] | Triumph & Ace [Member]              
Segment Reporting Information [Line Items]              
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   15 years          
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill $ 5,335 $ 5,335          
Towne possible net working capital shortfall [Member] | Towne [Member]              
Segment Reporting Information [Line Items]              
Escrow Deposit             2,000
Towne potential claims [Member] | Towne [Member]              
Segment Reporting Information [Line Items]              
Escrow Deposit             $ 14,500