Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.24.3
Related Party Transactions (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Mar. 31, 2024
USD ($)
Aug. 31, 2023
USD ($)
$ / shares
shares
Jun. 30, 2023
USD ($)
$ / shares
shares
Jun. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jul. 31, 2021
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Related Party Transaction [Line Items]                      
Stock issuance costs                 $ 2,719 $ 224  
Right-of-use asset             $ 24,800   24,800   $ 11,900
Present value of lease liabilities             25,867   25,867   13,100
Interest expense, related party             13,600 $ 10,000 42,200 21,900  
Real estate inventories (less than for September 30, 2024)             1,408,277   1,408,277   1,121,726
California                      
Related Party Transaction [Line Items]                      
Related party transaction, rate           7.00%          
Landsea Holding Share Repurchase Program                      
Related Party Transaction [Line Items]                      
Aggregate net proceeds from stock offering     $ 3,300                
Stock issuance costs     $ 800                
Landsea Holding Share Repurchase Program | Public Stock Offering                      
Related Party Transaction [Line Items]                      
Common stock period of transaction 0.50                    
Shares sold in offering | shares     443,478                
Landsea Holding Share Repurchase Program | Public Stock Offering | Maximum                      
Related Party Transaction [Line Items]                      
Reimbursable expenses to the underwriters $ 600                    
Landsea Holding Share Repurchase Program | IPO                      
Related Party Transaction [Line Items]                      
Share price (in dollars per share) | $ / shares     $ 7.50                
Green Investment Alpha Limited Share Repurchase Program                      
Related Party Transaction [Line Items]                      
Aggregate net proceeds from stock offering   $ 7,800                  
Stock issuance costs   $ 300                  
Green Investment Alpha Limited Share Repurchase Program | Public Stock Offering                      
Related Party Transaction [Line Items]                      
Shares sold in offering | shares   800,000                  
Green Investment Alpha Limited Share Repurchase Program | IPO                      
Related Party Transaction [Line Items]                      
Share price (in dollars per share) | $ / shares   $ 9.75                  
Equity Method Investee                      
Related Party Transaction [Line Items]                      
Due from affiliates             4,500   4,500   3,500
Landsea Capital Fund                      
Related Party Transaction [Line Items]                      
Related party transaction, amounts of transaction             4,300 6,700 18,500 8,600  
Landsea Capital Fund | LCF JV                      
Related Party Transaction [Line Items]                      
Related party transaction, amounts of transaction       $ 55,000              
Related Party                      
Related Party Transaction [Line Items]                      
Revenue from related parties         $ 15,200            
Interest expense, related party             100 400 600 800  
Related Party | Minimum | California                      
Related Party Transaction [Line Items]                      
Interest expense, related party             0 100 100 500  
Related Party | Minimum | Landsea Holdings                      
Related Party Transaction [Line Items]                      
Interest expense, related party             100 300 100 1,600  
Affiliated Entity                      
Related Party Transaction [Line Items]                      
Payments for rent             0 200 200 600  
Right-of-use asset             0   0   500
Present value of lease liabilities             0   0   500
Real estate inventories (less than for September 30, 2024)             100   100   1,000
Affiliated Entity | California                      
Related Party Transaction [Line Items]                      
Developed lots purchased in the period             0 $ 3,000 4,000 $ 7,000  
Affiliated Entity | California | Predetermined Land Purchase Price                      
Related Party Transaction [Line Items]                      
Related party transaction, amounts of transaction           $ 28,900          
Affiliated Entity | Landsea Holdings                      
Related Party Transaction [Line Items]                      
Real estate inventories (less than for September 30, 2024)             $ 300   $ 300   $ 400