Inventory And Land Held For Sale (Information Related To Interest Capitalized Into Homebuilding Inventory) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Real Estate Inventory, Capitalized Interest Costs [Roll Forward]
Interest in inventory, beginning of period	$ 227,495	$ 226,611	$ 186,097
Interest capitalized	164,114	172,809	181,719
Interest expensed	(181,226)	(171,925)	(141,205)
Interest in inventory, end of period	$ 210,383	$ 227,495	$ 226,611