Cover Page - shares	6 Months Ended
	Jun. 30, 2023	Aug. 11, 2023
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Entity Registrant Name	MARBLEGATE ACQUISITION CORP.
Entity Central Index Key	0001838513
Document Period End Date	Jun. 30, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity File Number	001-40862
Entity Filer Category	Non-accelerated Filer
Entity Tax Identification Number	85-4249135
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	411 Theodore Fremd Avenue
Entity Address, Address Line Two	Suite 206S
Entity Address, City or Town	Rye
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10580
City Area Code	914
Local Phone Number	415-4081
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	true
Units, each consisting of one share of Class A common stock [Member]
Document Information [Line Items]
Trading Symbol	GATEU
Title of 12(b) Security	Units, each consisting of one share of Class A common stock, $0.0001 par value, and one-half of one redeemable warrant
Security Exchange Name	NASDAQ
Common Stock Class A [Member]
Document Information [Line Items]
Trading Symbol	GATE
Title of 12(b) Security	Shares of Class A common stock included as part of the Units
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		5,676,064
Common Stock Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		6,303,333
Redeemable warrants [Member]
Document Information [Line Items]
Trading Symbol	GATEW
Title of 12(b) Security	Redeemable warrants included as part of the Units
Security Exchange Name	NASDAQ