XML 45 R1.htm IDEA: XBRL DOCUMENT v3.25.2
Cover Page
 6 Months Ended
Dec. 31, 2024
Document Information [Line Items]  
Document Type S-4
Amendment Flag false
Entity Registrant Name Millrose Properties, Inc.
Entity Central Index Key 0002017206
Entity Filer Category Non-accelerated Filer
Entity Small Business false
Entity Emerging Growth Company true
Entity Ex Transition Period true
Entity Incorporation, State or Country Code MD
Entity Tax Identification Number 99-2056892
Entity Address, Address Line One 600 Brickell Avenue
Entity Address, Address Line Two Suite 1400
Entity Address, City or Town Miami
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33131
City Area Code 212
Local Phone Number 782-3841
Entity Primary SIC Number 6500
Business Contact [Member]  
Document Information [Line Items]  
Contact Personnel Name Rachel Presa
Entity Address, Address Line One 600 Brickell Avenue
Entity Address, Address Line Two Suite 1400
Entity Address, City or Town Miami
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33131
City Area Code 212
Local Phone Number 782-3841