v3.26.1
Document And Entity Information - shares
6 Months Ended
Jun. 30, 2026
Aug. 10, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Amendment Flag false  
Document Period End Date Jun. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Entity Registrant Name MARBLEGATE CAPITAL CORPORATION  
Entity Central Index Key 0001965052  
Entity File Number 000-56734  
Entity Tax Identification Number 92-2142791  
Entity Incorporation, State or Country Code DE  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Address, Address Line One 5 Greenwich Office Park  
Entity Address, Address Line Two Suite 400  
Entity Address, City or Town Greenwich  
Entity Address, State or Province CT  
Entity Address, Postal Zip Code 06831  
City Area Code 203  
Local Phone Number 210 6500  
Entity Common Stock, Shares Outstanding   73,914,402
Entity Ex Transition Period false