Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.20.4
Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2020
Feb. 17, 2021
Jun. 30, 2020
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2020    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Trading Symbol LSI    
Entity Registrant Name LIFE STORAGE, INC.    
Entity Central Index Key 0000944314    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Interactive Data Current Yes    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   75,462,246  
Entity Public Float     $ 4,454,906,353
Title of 12(b) Security Common Stock, $.01 Par Value    
Security Exchange Name NYSE    
Entity File Number 1-13820    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 16-1194043    
Entity Address, Address Line One 6467 Main Street    
Entity Address, City or Town Williamsville    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 14221    
City Area Code 716    
Local Phone Number 633-1850    
Document Annual Report true    
Document Transition Report false    
ICFR Auditor Attestation Flag true    
Documents Incorporated by Reference

Portions of the registrant’s Proxy Statement for the 2021 Annual Meeting of Shareholders are incorporated herein by reference in Part III of this Annual Report on Form 10-K to the extent stated herein. Such proxy statement will be filed with the Securities and Exchange Commission within 120 days of the registrants’ fiscal year ended December 31, 2020.

 

   
Life Storage LP [Member]      
Document Information [Line Items]      
Entity Registrant Name LIFE STORAGE LP    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Non-accelerated Filer    
Entity Interactive Data Current Yes    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 23,164,572
Entity File Number 0-24071    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 16-1481551    
Entity Address, Address Line One 6467 Main Street    
Entity Address, City or Town Williamsville    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 14221    
City Area Code 716    
Local Phone Number 633-1850    
Document Annual Report true    
Document Transition Report false    
ICFR Auditor Attestation Flag true