Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.20.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2020
Aug. 14, 2020
Document and Entity Information [Abstract]    
Document Type 10-Q  
Document Period End Date Jun. 30, 2020  
Entity Registrant Name FATHOM HOLDINGS INC.  
Trading Symbol FTHM  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   13,640,381
Entity Central Index Key 0001753162  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Amendment Flag false