v3.26.3
Document And Entity Information
$ in Thousands
 12 Months Ended
Dec. 31, 2024
USD ($)
shares
Document Information [Line Items]  
Document Type 10-K/A
Document Annual Report true
Document Period End Date Dec. 31, 2024
Document Transition Report false
Entity File Number 333-207711
Entity Registrant Name Hartman vREIT XXI, Inc.
Entity Incorporation, State or Country Code MD
Entity Tax Identification Number 38-3978914
Entity Address, Address Line One 11211 Katy Freeway
Entity Address, City or Town Houston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77079
City Area Code 713
Local Phone Number 400-1000
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status No
Entity Interactive Data Current No
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company false
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Entity Shell Company false
Entity Public Float | $ $ 0
Entity Common Stock, Shares Outstanding (in shares) | shares 9,245,987
Amendment Description This Amendment includes the amended portions of Item 8 and the signature section and provides an updated Item 15 and related certification exhibit. Except for the matters described above, no other changes are intended to be made to the Original Form 10-K. This Amendment does not otherwise update disclosures for events occurring after the original filing date.
Entity Central Index Key 0001654948
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2024
Document Fiscal Period Focus FY
Amendment Flag true