Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Expedited Freight Acquisitions Narrative (Details)

v3.21.2
Acquisitions - Expedited Freight Acquisitions Narrative (Details)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2019
USD ($)
period
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
May 31, 2021
USD ($)
May 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Segment Reporting Information [Line Items]                
Change in fair value of earn-out liability       $ (385) $ (2,702)      
FSA Logistix                
Segment Reporting Information [Line Items]                
Cash used for acquisition $ 27,000              
Earn-out payment, up to $ 15,000              
Number of periods which earnout is calculated | period 2              
Earnout period one 1 year              
Earnout period two 1 year              
Earnout opportunity $ 11,803 $ 6,813   6,813       $ 6,865
Earnout period 2 years              
Change in fair value of earn-out liability   $ (4) $ (2,108) $ (52) (2,702)      
Earn-out liability     $ 5,284   $ 5,284      
J&P Hall Express Delivery                
Segment Reporting Information [Line Items]                
Net assets acquired           $ 7,543 $ 7,543