Document and Entity Information - shares	3 Months Ended
Document and Entity Information - shares	Mar. 31, 2022	May 13, 2022
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2022
Entity File Number	001-39876
Entity Registrant Name	Monument Circle Acquisition Corp.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-3252655
Entity Address, Address Line One	One EMMIS Plaza, 40 Monument Circle, Suite 700
Entity Address, City or Town	Indianapolis
Entity Address State Or Province	IN
Entity Address, Postal Zip Code	46204
City Area Code	317
Local Phone Number	266-0100
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	true
Entity Central Index Key	0001828325
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Amendment Flag	false
Units, each consisting of one share of Class A Common Stock and one-half of one Warrant
Document Information [Line Items]
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 warrant
Trading Symbol	MONCU
Security Exchange Name	NASDAQ
Class A Common Stock
Document Information [Line Items]
Title of 12(b) Security	Shares of Class A common stock
Trading Symbol	MON
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		25,000,000
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		6,250,000
Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50
Document Information [Line Items]
Title of 12(b) Security	Warrants included as part of the units
Trading Symbol	MONCW
Security Exchange Name	NASDAQ

- Details

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Data Type:	na
Balance Type:
Period Type:

Monument Circle Acquisition Corp. 10-Q