Quarterly report pursuant to Section 13 or 15(d)

Subsequent Event (Details)

v3.21.1
Subsequent Event (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 28, 2021
Mar. 31, 2021
Mar. 31, 2020
Subsequent Event [Line Items]      
Operating revenue   $ 362,202 $ 305,557
Subsequent Event | J&P Hall Express Delivery      
Subsequent Event [Line Items]      
Considered transferred $ 7,400