v3.26.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 07, 2026
Document and Entity Information    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-39688  
Entity Registrant Name Latch, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 85-3087759  
Entity Address, Address Line One 1220 N. Price Road  
Entity Address, Address Line Two Suite 2  
Entity Address, City or Town Olivette  
Entity Address, State or Province MO  
Entity Address, Postal Zip Code 63132  
City Area Code 314  
Local Phone Number 227-1100  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   165,656,201
Entity Central Index Key 0001826000  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Amendment Flag false