XML 14 R1.htm IDEA: XBRL DOCUMENT v3.21.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2021
Apr. 30, 2021
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q1  
Trading Symbol YELL  
Entity Registrant Name Yellow Corporation  
Entity Central Index Key 0000716006  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Small Business false  
Entity Common Stock, Shares Outstanding   51,097,950
Entity File Number 0-12255  
Entity Tax Identification Number 48-0948788  
Entity Address, Address Line One 10990 Roe Avenue  
Entity Address, City or Town Overland Park  
Entity Address, State or Province KS  
Entity Address, Postal Zip Code 66211  
City Area Code 913  
Local Phone Number 696-6100  
Entity Interactive Data Current Yes  
Entity Incorporation, State or Country Code DE  
Document Quarterly Report true  
Document Transition Report false  
Title of 12(b) Security Common Stock, $0.01 par value per share  
Security Exchange Name NASDAQ