Correction of Immaterial Errors - Schedule of Effect of the Correction (Details) - USD ($) $ in Thousands		3 Months Ended					6 Months Ended
		Jun. 30, 2021	Mar. 31, 2021		Jun. 30, 2020		Jun. 30, 2021	Jun. 30, 2020
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		$ 3,609,093			$ 2,411,078		$ 6,807,913	$ 4,254,845
Operating Expenses:
Direct Operating Costs	[1]	2,598,633			1,661,487		4,845,917	2,890,118
As Reported [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			$ 3,357,540	[2]	2,580,632	[3]		4,482,496	[4]
Operating Expenses:
Direct Operating Costs			2,406,004	[2]	1,831,041	[3]		3,117,769	[4]
Adjustment [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			(158,720)	[2]	(169,554)	[3]		(227,651)	[4]
Operating Expenses:
Direct Operating Costs			(158,720)	[2]	(169,554)	[3]		(227,651)	[4]
As Corrected [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			3,198,820	[2]	2,411,078	[3]		4,254,845	[4]
Operating Expenses:
Direct Operating Costs			2,247,284	[2]	1,661,487	[3]		2,890,118	[4]
Airfreight services
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		1,523,569			1,269,654		2,849,484	1,925,252
Operating Expenses:
Direct Operating Costs		1,136,328			932,137		2,090,872	1,398,865
Airfreight services | As Reported [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			1,476,961		1,434,590			2,143,629
Operating Expenses:
Direct Operating Costs			1,105,590		1,097,073			1,617,242
Airfreight services | Adjustment [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			(151,046)		(164,936)			(218,377)
Operating Expenses:
Direct Operating Costs			(151,046)		(164,936)			(218,377)
Airfreight services | As Corrected [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			1,325,915		1,269,654			1,925,252
Operating Expenses:
Direct Operating Costs			954,544		932,137			1,398,865
Ocean freight and ocean services
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		1,098,550			489,385		2,052,462	980,725
Operating Expenses:
Direct Operating Costs		862,251			361,272		1,604,686	725,668
Ocean freight and ocean services | As Reported [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			958,178		491,712			985,139
Operating Expenses:
Direct Operating Costs			746,701		363,599			730,082
Ocean freight and ocean services | Adjustment [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			(4,266)		(2,327)			(4,414)
Operating Expenses:
Direct Operating Costs			(4,266)		(2,327)			(4,414)
Ocean freight and ocean services | As Corrected [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			953,912		489,385			980,725
Operating Expenses:
Direct Operating Costs			742,435		361,272			725,668
Customs brokerage and other services
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax		986,974			652,039		1,905,967	1,348,868
Operating Expenses:
Direct Operating Costs		$ 600,054			368,078		$ 1,150,359	765,585
Customs brokerage and other services | As Reported [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			922,401		654,330			1,353,728
Operating Expenses:
Direct Operating Costs			553,713		370,369			770,445
Customs brokerage and other services | Adjustment [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			(3,408)		(2,291)			(4,860)
Operating Expenses:
Direct Operating Costs			(3,408)		(2,291)			(4,860)
Customs brokerage and other services | As Corrected [Member]
Quantifying Misstatement In Current Year Financial Statements [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax			918,993		652,039			1,348,868
Operating Expenses:
Direct Operating Costs			$ 550,305		$ 368,078			$ 765,585

[1] Directly related cost of transportation and other expenses totals operating expenses from airfreight services, ocean freight and ocean services and customs brokerage and other services as shown in the condensed consolidated statements of earnings.

[2] The North Asia business segment accounts for 73% of total adjustments.

[3] The North Asia business segment accounts for 78% of total adjustments.

[4] The North Asia business segment accounts for 76% of total adjustments.