XML 46 R35.htm IDEA: XBRL DOCUMENT v3.21.1
Acquisitions - Intermodal Acquisition Narrative (Details) - Proficient Transport - USD ($)
$ in Thousands
1 Months Ended
Feb. 28, 2021
Mar. 31, 2021
Business Acquisition [Line Items]    
Net assets acquired and earn-out $ 15,000  
Earn-out payment, up to $ 2,000  
Earnout period 1 year  
Earnout opportunity $ 815 $ 815