v3.22.4
Description of Business and Summary of Significant Accounting Policies - Schedule of Disaggregation of Trucking Revenue from Contracts with Customers (ASC 606-10-50) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disaggregation of Revenue [Line Items]    
Total revenue $ 72,585 $ 88,846
Trucking [Member]    
Disaggregation of Revenue [Line Items]    
Total revenue 72,544 53,952
Trucking [Member] | USPS Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Total revenue 64,913 47,151
Trucking [Member] | Freight Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Total revenue 5,781 6,561
Trucking [Member] | Other Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Total revenue $ 1,850 $ 240