Capitalization of Interest - Interest Activity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Debt Disclosure [Abstract]
Homebuilding interest incurred	$ 14,799	$ 15,879	$ 46,427	$ 47,890
Less: Interest capitalized	(14,799)	(15,879)	(46,427)	(47,890)
Homebuilding interest expensed	0	0	0	0
Real Estate Inventory, Capitalized Interest Costs [Roll Forward]
Interest capitalized, beginning of period	56,929	58,193	55,310	54,845
Plus: Interest capitalized during period	14,799	15,879	46,427	47,890
Less: Previously capitalized interest included in home cost of sales	(16,511)	(14,451)	(46,520)	(43,114)
Interest capitalized, end of period	$ 55,217	$ 59,621	$ 55,217	$ 59,621