Cover Page - shares	3 Months Ended
	Mar. 31, 2022	May 16, 2022
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2022
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Entity Registrant Name	EJF Acquisition Corp.
Entity Central Index Key	0001839434
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Shell Company	true
Entity Small Business	true
Entity Emerging Growth Company	true
Entity File Number	001-40113
Entity Address, Address Line One	2107 Wilson Boulevard
Entity Address, Address Line Two	Suite 410
Entity Address, City or Town	Arlington
Entity Address, Postal Zip Code	22201
City Area Code	703
Local Phone Number	879-3292
Entity Tax Identification Number	98-1574021
Entity Incorporation, State or Country Code	E9
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Ex Transition Period	false
Entity Address, Country	VA
Common Class A [Member]
Document Information [Line Items]
Trading Symbol	EJFA
Title of 12(b) Security	Class A ordinary shares
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		28,750,000
Common Class B [Member]
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		7,187,500
Units [Member]
Document Information [Line Items]
Trading Symbol	EJFAU
Title of 12(b) Security	Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-third of one redeemable warrant
Security Exchange Name	NASDAQ
Redeemable Warrants [Member]
Document Information [Line Items]
Trading Symbol	EJFAW
Title of 12(b) Security	Redeemable Warrants included as part of the units
Security Exchange Name	NASDAQ