Quarterly report pursuant to Section 13 or 15(d)


Cover - shares
6 Months Ended
Jun. 30, 2023
Jul. 28, 2023
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2023  
Document Transition Report false  
Entity File Number 001-38545  
Entity Registrant Name Landsea Homes Corporation  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 82-2196021  
Entity Address, Address Line One 1717 McKinney Avenue  
Entity Address, Address Line Two Suite 1000  
Entity Address, City or Town Dallas  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 75202  
City Area Code 949  
Local Phone Number 345-8080  
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  
Entity Common Stock, Shares Outstanding   38,591,314
Entity CIK 0001721386  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q2  
Common Class A | NASDAQ    
Entity Information [Line Items]    
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol LSEA  
Security Exchange Name NASDAQ  
Warrant | NASDAQ    
Entity Information [Line Items]    
Title of 12(b) Security Warrants exercisable for Common Stock  
Trading Symbol LSEAW  
Security Exchange Name NASDAQ