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

Capitalized Interest (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
Capitalized Interest (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Interest costs capitalized adjustment	$ 14.4	$ 13.8	$ 37.6	$ 28.6
Interest expense, related party	$ 10.0	$ 10.2	$ 21.9	$ 31.3

Amount of the cost of borrowed funds accounted for as interest expense.