Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Narrative (Details)

v3.22.0.1
Stock-Based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
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) 886,000 0 0
Granted (in dollars per share) $ 9.45 $ 0 $ 0
Restricted Stock Units (RSUs) | 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) 5,100,000    
Restricted Stock Units (RSUs) | 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%    
Restricted Stock Units (RSUs) | 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%    
Restricted Stock Units (RSUs) | General and Administrative Expense      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock-based compensation expense $ 5.8 $ 0.0 $ 0.0