v3.26.1
Cover - shares
 3 Months Ended
Mar. 31, 2026
May 06, 2026
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 001-40308  
Entity Registrant Name FINANCE OF AMERICA COMPANIES INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 85-3474065  
Entity Address, Address Line One 5830 Granite Parkway  
Entity Address, Address Line Two Suite 400  
Entity Address, City or Town Plano  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 75024  
City Area Code 877  
Local Phone Number 202-2666  
Title of 12(b) Security Class A Common Stock, par value $0.0001 per share  
Trading Symbol FOA  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Central Index Key 0001828937  
New York Stock Exchange    
Entity Information [Line Items]    
Security Exchange Name NYSE  
NYSE Texas, Inc.    
Entity Information [Line Items]    
Security Exchange Name CHX  
Class A Common Stock    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding   8,891,776
Class B Common Stock    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding   12