XML 39 R22.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of Useful Lives for Property and Equipment | Useful lives for major categories of property and equipment are as follows:
Buildings and land improvements | 30 to 40 years
Building improvements | 3 to 10 years
Furniture, fixtures, equipment and purchased software | 3 to 10 years

X
- Definition Tabular disclosure of useful lives for major categories of property and equipment + References No definition available. + Details
Name: | expd_PropertyAndEquipmentUsefulLivesTableTextBlock
Namespace Prefix: | expd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration