Cover	Mar. 24, 2023
Document Information [Line Items]
Document Type	8-K
Amendment Flag	false
Document Period End Date	Mar. 24, 2023
Entity File Number	001-40933
Entity Registrant Name	ExcelFin Acquisition Corp.
Entity Central Index Key	0001852749
Entity Tax Identification Number	86-2933776
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	473 Jackson St.
Entity Address, Address Line Two	Suite 300
Entity Address, City or Town	San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94111
City Area Code	415
Local Phone Number	715-4377
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Units, each consisting of one share of Class A common stock and one-half of one redeemable warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	Units, each consisting of one share of Class A common stock and one-half of one redeemable warrant
Trading Symbol	XFINU
Security Exchange Name	NASDAQ
Common Class A [Member]
Document Information [Line Items]
Title of 12(b) Security	Class A common stock, par value $0.0001 per share
Trading Symbol	XFIN
Security Exchange Name	NASDAQ
Redeemable warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 [Member]
Document Information [Line Items]
Title of 12(b) Security	Redeemable warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50
Trading Symbol	XFINW
Security Exchange Name	NASDAQ