Quarterly report pursuant to Section 13 or 15(d)

Acquisitions and Long-Lived Assets - Goodwill and Other Long-Lived Assets (Details)

v3.20.2
Acquisitions and Long-Lived Assets - Goodwill and Other Long-Lived Assets (Details)
$ in Thousands
 6 Months Ended
Jun. 30, 2020
USD ($)
Jan. 12, 2020
USD ($)
Dec. 31, 2019
USD ($)
Number of Reporting Units 4    
Business Acquisition, Goodwill, Expected Tax Deductible Amount $ 161,789    
Goodwill, Gross 266,619   $ 241,385
Goodwill, Impaired, Accumulated Impairment Loss (25,686)   (25,686)
Goodwill $ 240,933   215,699
Expedited LTL [Member]      
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount 421.60%    
Discount Rate 10.50%    
Terminal Growth Rate 4.00%    
Goodwill, Gross $ 97,593   97,593
Truckload [Member]      
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount 65.70%    
Discount Rate 13.50%    
Terminal Growth Rate 4.00%    
Goodwill, Gross $ 45,164   45,164
Goodwill, Impaired, Accumulated Impairment Loss $ (25,686)   (25,686)
Final Mile [Member]      
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount 118.50%    
Discount Rate 13.50%    
Terminal Growth Rate 4.00%    
Goodwill, Gross $ 45,197   19,963
Intermodal [Member]      
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount 49.40%    
Discount Rate 13.50%    
Terminal Growth Rate 4.00%    
Goodwill, Gross $ 78,665   $ 78,665
Linn Star [Member]      
Goodwill $ 25,234 $ 25,234