Segment Reporting - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Segment	Jun. 30, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments | Segment			2
Number of reportable segments | Segment			2
Operating Revenue | $	$ 1,179,971	$ 990,432	$ 2,217,127	$ 1,851,732
DHL [Member]
Segment Reporting Information [Line Items]
Operating Revenue | $	$ 142,000	$ 169,400	$ 277,600	$ 327,300