Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

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Related Party Transactions (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 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 ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Related Party Transaction [Line Items]                  
Right-of-use asset $ 13,800           $ 13,800   $ 11,900
Present value of lease liabilities 14,893           14,893   13,100
Interest expense, related party             10,600 $ 4,600  
Real estate inventories $ 1,196,506           1,196,506   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            
Deferred offering costs     $ 800            
Landsea Holding Share Repurchase Program | Public Stock Offering                  
Related Party Transaction [Line Items]                  
Shares sold in offering | shares     443,478            
Common stock period of transaction 0.50                
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              
Deferred offering 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 3,600           3,600   3,500
Landsea Capital Fund                  
Related Party Transaction [Line Items]                  
Related party transaction, amounts of transaction             6,800 900  
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             200 300  
Related Party | Minimum | California                  
Related Party Transaction [Line Items]                  
Interest expense, related party             100 200  
Related Party | Minimum | Landsea Holdings                  
Related Party Transaction [Line Items]                  
Interest expense, related party             100 700  
Affiliated Entity                  
Related Party Transaction [Line Items]                  
Payments for rent             200 200  
Right-of-use asset 400           400   500
Present value of lease liabilities 400           400   500
Real estate inventories 900           900   1,000
Affiliated Entity | California                  
Related Party Transaction [Line Items]                  
Developed lots purchased in the period             0 $ 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 $ 400           $ 400   $ 400