Annual report [Section 13 and 15(d), not S-K Item 405]

Related Party Transactions (Details)

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Related Party Transactions (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Dec. 31, 2024
USD ($)
Mar. 31, 2024
USD ($)
Aug. 31, 2023
USD ($)
$ / shares
shares
Jun. 30, 2023
USD ($)
shares
Jun. 30, 2022
USD ($)
transaction
$ / shares
shares
Dec. 31, 2021
USD ($)
Jul. 31, 2021
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
home
Sep. 30, 2024
$ / shares
Jun. 01, 2022
shares
May 31, 2022
$ / shares
Jan. 31, 2022
USD ($)
Related Party Transaction [Line Items]                            
Payable due to affiliates $ (86,348)             $ (86,348) $ (77,969)          
Deferred offering costs paid               3,053 224 $ 2,605        
Lot sales and other revenue               1,550,337 1,209,947 1,446,449        
Cost of sales               1,322,545 994,973 1,159,525        
Right-of-use asset 23,358             23,358 11,869          
Present value of lease liabilities 24,494             24,494 13,070          
Interest expense               61,000 36,300 40,500        
Real estate inventories 1,339,082             1,339,082 1,121,726          
Lot Sales and other                            
Related Party Transaction [Line Items]                            
Lot sales and other revenue               63,399 40,080 53,699        
Public Stock Offering | Maximum                            
Related Party Transaction [Line Items]                            
Reimbursable expenses to the underwriters 4,300                          
Transaction costs, written-off 800                          
California                            
Related Party Transaction [Line Items]                            
Related party transaction, rate             7.00%              
Developed lots purchased in the period               4,000 11,400 11,400        
Landsea Holdings | Public Stock Offering | Maximum                            
Related Party Transaction [Line Items]                            
Related party transaction, amounts of transaction 400                          
Ever Fast Holdings Limited | Public Stock Offering | Maximum                            
Related Party Transaction [Line Items]                            
Related party transaction, amounts of transaction 300                          
Private Placement Warrants                            
Related Party Transaction [Line Items]                            
Stock repurchase program, authorized (in shares) | shares       2,800,000 2,800,000                  
Landsea Holding Share Repurchase Program                            
Related Party Transaction [Line Items]                            
Aggregate net proceeds from stock offering       $ 3,300                    
Deferred offering costs paid       $ 800                    
Number of transactions | transaction         2                  
Stock repurchase program, authorized (in shares) | shares                       4,400,000    
Stock repurchase program, authorized amount         $ 30,000                  
Stock consideration, share price (in dollars per share) | $ / shares         $ 6.82               $ 7.18  
Discount rate         5.00%                  
Landsea Holding Share Repurchase Program | IPO                            
Related Party Transaction [Line Items]                            
Share price (in dollars per share) | $ / shares                     $ 7.50      
Landsea Holding Share Repurchase Program | Public Stock Offering                            
Related Party Transaction [Line Items]                            
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 | Private Placement Warrants                            
Related Party Transaction [Line Items]                            
Stock repurchase program, authorized (in shares) | shares       5,500,000 5,500,000                  
Stock repurchase program, authorized amount       $ 8,400 $ 8,400                  
Stock consideration, share price (in dollars per share) | $ / shares         $ 3.00                  
Landsea Holding Share Repurchase Program | Private Placement Warrants | Landsea Holdings                            
Related Party Transaction [Line Items]                            
Stock repurchase program, authorized (in shares) | shares         2,200,000                  
Share Repurchase Program                            
Related Party Transaction [Line Items]                            
Stock repurchase program, authorized (in shares) | shares         4,398,826                  
Stock repurchase program, authorized amount         $ 30,000                 $ 10,000
Stock consideration, share price (in dollars per share) | $ / shares         $ 6.82                  
Share Repurchase Program | Private Placement Warrants                            
Related Party Transaction [Line Items]                            
Stock repurchase program, authorized amount       $ 16,500                    
Stock consideration, share price (in dollars per share) | $ / shares         $ 3.00                  
Share Repurchase Program | Private Placement Warrants | Landsea Holdings                            
Related Party Transaction [Line Items]                            
Stock repurchase program, authorized (in shares) | shares       2,200,000                    
Stock repurchase program, authorized amount       $ 6,600 $ 6,600                  
Green Investment Alpha Limited Share Repurchase Program                            
Related Party Transaction [Line Items]                            
Aggregate net proceeds from stock offering     $ 7,800                      
Deferred offering costs paid     $ 300                      
Green Investment Alpha Limited Share Repurchase Program | IPO                            
Related Party Transaction [Line Items]                            
Share price (in dollars per share) | $ / shares     $ 9.75                      
Green Investment Alpha Limited Share Repurchase Program | Public Stock Offering                            
Related Party Transaction [Line Items]                            
Shares sold in offering | shares     800,000                      
Sale and Lease Back of Model Homes                            
Related Party Transaction [Line Items]                            
Right-of-use asset 14,600             14,600            
Equity Method Investee                            
Related Party Transaction [Line Items]                            
Payable due to affiliates $ (500)             $ (500)            
Receivables from related party                 3,500          
Equity Method Investee | Nonconsolidated Investees, Other                            
Related Party Transaction [Line Items]                            
Ownership interest (percent) 17.00%             17.00%            
Landsea Capital Fund                            
Related Party Transaction [Line Items]                            
Related party transaction, amounts of transaction               $ 27,900 22,300          
Landsea Capital Fund | LCF JV                            
Related Party Transaction [Line Items]                            
Related party transaction, amounts of transaction         $ 55,000                  
Affiliated Entity                            
Related Party Transaction [Line Items]                            
Revenue           $ 15,200                
Other costs                   1,300        
Payments for rent               300 800 800        
Right-of-use asset                 500          
Present value of lease liabilities                 500          
Real estate inventories $ 300             300 1,000          
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 $ 100             100 400          
Affiliated Entity | Sale and Lease Back of Model Homes                            
Related Party Transaction [Line Items]                            
Lot sales and other revenue               0   1,200        
Related Party                            
Related Party Transaction [Line Items]                            
Interest expense               700 1,400 200        
Related Party | California                            
Related Party Transaction [Line Items]                            
Interest expense               100 600 1,000        
Related Party | Landsea Holdings                            
Related Party Transaction [Line Items]                            
Interest expense               $ 200 1,700 $ 5,000        
Officer and Immediate Family Member                            
Related Party Transaction [Line Items]                            
Cost of sales                 3,500          
Officer and Immediate Family Member | Sale and Lease Back of Model Homes                            
Related Party Transaction [Line Items]                            
Lot sales and other revenue                 $ 4,000          
Officer                            
Related Party Transaction [Line Items]                            
Related Party Transactions, Number Of Homes Sold To Related Party | home                   1        
Family member                            
Related Party Transaction [Line Items]                            
Related Party Transactions, Number Of Homes Sold To Related Party | home                   1