v3.26.1
Cover
Aug. 07, 2026
Document Information [Line Items]  
Document Type 8-K
Document Period End Date Aug. 07, 2026
Entity File Number 001-41572
Entity Registrant Name Star Holdings
Entity Incorporation, State or Country Code MD
Entity Tax Identification Number 37-6762818
Entity Address, Address Line One One Penn Plaza
Entity Address, Address Line Two 51st Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10119
City Area Code 212
Local Phone Number 930-9400
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common shares of beneficial interest, $0.001 par value
Trading Symbol STHO
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period true
Entity Central Index Key 0001953366
Amendment Flag false
Former Address [Member]  
Document Information [Line Items]  
Entity Address, Address Line One 1114 Avenue of the Americas
Entity Address, Address Line Two 39th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10036