Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Narrative (Details)

v3.24.0.1
Stock-Based Compensation - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance measured by adjusted earnings per share     3 years
Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period (in years) 3 years    
Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting period (in years) 5 years    
Common Stock | Landsea Homes Corporation 2020 Stock Incentive Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares) 6,000,000    
Number of shares available for future issuance (in shares) 3,300,000    
Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance range of target goals greater than   200.00%  
Performance Shares | Executive Officer      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance measured by cumulative revenue and return on equity   3 years  
Performance Shares | Minimum | Executive Officer      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance measured by cumulative revenue and return on equity   3 years  
Performance Shares | Maximum | Executive Officer      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance measured by cumulative revenue and return on equity   5 years  
Performance Shares | Landsea Homes Corporation 2020 Stock Incentive Plan | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance range of target goals 50.00% 50.00% 50.00%
Performance Shares | Landsea Homes Corporation 2020 Stock Incentive Plan | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance range of target goals 200.00% 400.00% 200.00%
Phantom Awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Cash paid for phantom stock awards $ 2.9    
Grants in period (in shares) 200,000    
Grant date value at the time of the merger $ 1.9    
Phantom Awards | General and Administrative Expense      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Accelerated vesting cost     $ 2.7
Restricted Stock Units and Performance Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Grants in period (in shares) 298,000 1,135,000  
Restricted Stock Units and Performance Stock Units | General and Administrative Expense      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense $ 3.1 $ 3.6 $ 5.8
Share-Based Payment Arrangement, Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total intrinsic value of options exercised (less than) $ 0.1