Inventory And Land Held For Sale (Information Related To Interest Capitalized Into Homebuilding Inventory) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Real Estate Inventory, Capitalized Interest Costs [Roll Forward]
Interest in inventory, beginning of period	$ 226,611	$ 186,097	$ 149,498
Interest capitalized	172,809	181,719	160,506
Interest expensed	(171,925)	(141,205)	(123,907)
Interest in inventory, end of period	$ 227,495	$ 226,611	$ 186,097