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 6 Months Ended
Jun. 30, 2016
USD ($)
Jun. 30, 2016
USD ($)
$ / shares
Jun. 30, 2015
USD ($)
$ / shares
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   $ 468,185 489,839      
Business Acquisition, Pro Forma Income from Operations   7,057 25,850      
Business Acquisition, Pro Forma Net Income (Loss)   $ 3,033 $ 14,181      
Business Acquisition, Pro Forma Earnings Per Share, Basic | $ / shares   $ 0.10 $ 0.46      
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ / shares   $ 0.10 $ 0.46      
Business Acquisition, Goodwill, Expected Tax Deductible Amount $ 100,156 $ 100,156        
Carrying value of goodwill 179,301 179,301     $ 205,609  
Goodwill, Acquired During Period   908        
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     $ 2,456      
Restructuring and Related Cost, Incurred Cost     8,717      
Business Combination, Acquisition Related Costs     $ 7,504      
Restructuring Reserve 3,965 $ 3,965        
Restructuring Reserve, Period Decrease 1,742 3,162        
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
Ace [Member]            
Segment Reporting Information [Line Items]            
Business Acquisition, Cash Paid       $ 1,700    
Carrying value of goodwill       908    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles       1,700    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets       1,700    
Business Combination, Recognized Identifiable Assets Acquired and Total Liabilities Assumed, Net Total Assets       1,700    
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 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 $ 56,824 56,824     $ 55,916  
Goodwill, Acquired During Period   $ 908        
Noncompete Agreements [Member] | 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       20    
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] | 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       $ 772    
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