Segment Information (Total Assets And Inventory By Reportable Segment) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information
Homes under construction	$ 2,630,158	$ 2,421,405	$ 1,921,259
Land under development	4,129,225	4,135,814	4,072,109
Raw land	493,970	589,911	777,287
House and land inventory	7,253,353	7,147,130	6,770,655
Total assets	10,172,976	9,686,649	10,178,200
Northeast [Member]
Segment Reporting Information
Homes under construction	268,900	234,413	175,253
Land under development	291,467	327,599	375,899
Raw land	52,245	73,574	135,447
House and land inventory	612,612	635,586	686,599
Total assets	704,515	791,511	798,369
Southeast [Member]
Segment Reporting Information
Homes under construction	443,140	433,411	354,047
Land under development	676,087	613,626	650,805
Raw land	90,332	121,238	148,793
House and land inventory	1,209,559	1,168,275	1,153,645
Total assets	1,347,427	1,287,992	1,243,188
Florida [Member]
Segment Reporting Information
Homes under construction	467,625	359,651	309,525
Land under development	892,669	876,856	683,376
Raw land	85,321	109,069	183,168
House and land inventory	1,445,615	1,345,576	1,176,069
Total assets	1,601,906	1,481,837	1,330,847
Texas [Member]
Segment Reporting Information
Homes under construction	284,405	251,613	219,606
Land under development	427,124	435,018	413,312
Raw land	98,415	87,392	74,750
House and land inventory	809,944	774,023	707,668
Total assets	881,629	859,847	793,917
Midwest [Member]
Segment Reporting Information
Homes under construction	314,442	299,896	256,649
Land under development	433,056	476,694	474,287
Raw land	29,908	28,482	50,302
House and land inventory	777,406	805,072	781,238
Total assets	849,596	877,282	851,457
West [Member]
Segment Reporting Information
Homes under construction	805,709	798,706	580,082
Land under development	1,131,841	1,137,940	1,226,190
Raw land	118,579	147,493	159,387
House and land inventory	2,056,129	2,084,139	1,965,659
Total assets	2,208,092	2,271,328	2,200,058
Other Homebuilding [Member]
Segment Reporting Information
Homes under construction	45,937	43,715	26,097
Land under development	276,981	268,081	248,240
Raw land	19,170	22,663	25,440
House and land inventory	342,088	334,459	299,777
Total assets	2,006,825	1,469,234	2,351,082
Home Building [Member]
Segment Reporting Information
Homes under construction	2,630,158	2,421,405	1,921,259
Land under development	4,129,225	4,135,814	4,072,109
Raw land	493,970	589,911	777,287
House and land inventory	7,253,353	7,147,130	6,770,655
Total assets	9,599,990	9,039,031	9,568,918
Financial Services [Member]
Segment Reporting Information
Total assets	$ 572,986	$ 647,618	$ 609,282

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Carrying amount of land available for development.

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