Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2021	Aug. 12, 2021
Document Information Line Items
Entity Registrant Name	Mission Advancement Corp.
Trading Symbol	MACC
Document Type	10-Q
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		43,125,000
Amendment Flag	false
Entity Central Index Key	0001840148
Entity Current Reporting Status	Yes
Entity Filer Category	Non-accelerated Filer
Document Period End Date	Jun. 30, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Shell Company	true
Entity Ex Transition Period	false
Document Quarterly Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	DE
Entity File Number	001-40127
Entity Tax Identification Number	86-1254144
Entity Address, Address Line One	2525 E Camelback Rd
Entity Address, Address Line Two	Ste 850
Entity Address, City or Town	Phoenix
Entity Address, State or Province	AZ
Entity Address, Postal Zip Code	85016
City Area Code	602
Local Phone Number	476-0600
Title of 12(b) Security	Class A Common Stock, par value $0.0001 per share
Security Exchange Name	NYSE
Entity Interactive Data Current	Yes