Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Apr. 26, 2023
Jun. 30, 2022
Entity Addresses [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Document Transition Report false    
Entity File Number 001-39739    
Entity Registrant Name Sunlight Financial Holdings Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 85-2599566    
Entity Address, Address Line One 101 North Tryon Street    
Entity Address, Address Line Two Suite 1000    
Entity Address, City or Town Charlotte    
Entity Address, State or Province NC    
Entity Address, Postal Zip Code 28246    
City Area Code 888    
Local Phone Number 315-0822    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
Entity Shell Company false    
ICFR Auditor Attestation Flag false    
Entity Public Float     $ 122.3
Central Index Key 0001821850    
Current Fiscal Year End Date --12-31    
Fiscal Year Focus 2022    
Fiscal Period Focus FY    
Amendment Flag false    
Class A Common Stock      
Entity Addresses [Line Items]      
Title of 12(b) Security Class A Common Stock, par value $0.0001 per share    
Trading Symbol SUNL    
Security Exchange Name NYSE    
Entity Common Stock, Shares Outstanding   85,401,353  
Entity Addresses [Line Items]      
Title of 12(b) Security Warrants, each whole warrant is exercisable for one share of Class A Common Stock at an exercise price of $11.50 per share    
Trading Symbol SUNL.WS    
Security Exchange Name NYSE    
Class C Common Stock      
Entity Addresses [Line Items]      
Entity Common Stock, Shares Outstanding   44,973,227