Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
12 Months Ended
Dec. 31, 2022
Feb. 27, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-10709    
Entity Registrant Name PS BUSINESS PARKS, INC./MD    
Entity Incorporation, State or Country Code MD    
Entity Tax Identification Number 95-4300881    
Entity Address, Address Line One 345 Park Avenue    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10154    
City Area Code 212    
Local Phone Number 583-5000    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers Yes    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 3,765,569,354
Entity Common Stock, Shares Outstanding   100  
Documents Incorporated by Reference None.    
Entity Central Index Key 0000866368    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Amendment Flag false