v3.26.1
Document And Entity Information
6 Months Ended
Jun. 30, 2026
Document Information Line Items  
Entity Central Index Key 0002016221
Document Type S-4
Entity Registrant Name Melar Acquisition Corp. I/Cayman
Entity Incorporation, State or Country Code E9
Entity Tax Identification Number 87-1634103
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company true
Entity Ex Transition Period false
Amendment Flag false