XML 13 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Cover Page - shares
 3 Months Ended
Mar. 31, 2020
May 14, 2020
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2020  
Document Transition Report false  
Entity File Number 000-53673  
Entity Registrant Name PRESIDIO PROPERTY TRUST, INC.  
Entity Incorporation, State or Country Code MD  
Entity Tax Identification Number 33-0841255  
Entity Address, Address Line One 4995 Murphy Canyon Road  
Entity Address, Address Line Two Suite 300  
Entity Address, City or Town San Diego  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 92123  
City Area Code 760  
Local Phone Number 471-8536  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock Shares Outstanding   17,728,908
Entity Central Index Key 0001080657  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2020  
Amendment Flag false  
Entity Filer Category Non-accelerated Filer