Landsea Homes Corporation Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)	3 Months Ended		9 Months Ended
Income Taxes (Details)	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Effective income tax rate	21.60%	23.80%	18.10%	25.40%