Capitalization of Interest - Interest Activity (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Debt Disclosure [Abstract]
Homebuilding interest incurred	$ 17,409	$ 15,094	$ 34,741	$ 31,628
Less: Interest capitalized	(17,409)	(15,094)	(34,741)	(31,628)
Homebuilding interest expensed	0	0	0	0
Real Estate Inventory, Capitalized Interest Costs [Roll Forward]
Interest capitalized, beginning of period	55,268	59,077	52,777	55,310
Plus: Interest capitalized during period	17,409	15,094	34,741	31,628
Less: Previously capitalized interest included in home cost of sales	(18,326)	(17,242)	(33,167)	(30,009)
Interest capitalized, end of period	$ 54,351	$ 56,929	$ 54,351	$ 56,929