Cover - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2022	Apr. 20, 2023	Jun. 30, 2022
Document Information [Line Items]
Document Type	10-K/A
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Entity File Number	001-38528
Entity Registrant Name	US XPRESS ENTERPRISES INC
Entity Central Index Key	0000923571
Entity Tax Identification Number	62-1378182
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	4080 Jenkins Road
Entity Address, City or Town	Chattanooga
Entity Address, State or Province	TN
Entity Address, Postal Zip Code	37421
City Area Code	423
Local Phone Number	510-3000
Title of 12(b) Security	Class A Common Stock, $0.01 par value per share
Trading Symbol	USX
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 86.9
ICFR Auditor Attestation Flag	true
Auditor Name	GRANT THORNTON LLP
Auditor Location	Tulsa, Oklahoma
Auditor Firm ID	248
Common Class A [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		39,462,270
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		13,113,164