Note 8 - Inventories - Inventories Owned (Details) - Homebuilding [Member] - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Land and land under development	[1]	$ 2,886,731	$ 3,627,740
Homes completed and under construction		3,624,417	2,304,109
Model homes		435,618	506,943
Total inventories owned		6,946,766	6,438,792
North [Member]
Land and land under development	[1]	136,182	445,245
Homes completed and under construction		790,486	327,421
Model homes		57,518	79,306
Total inventories owned		984,186	851,972
Southeast [Member]
Land and land under development	[1]	993,953	1,177,646
Homes completed and under construction		928,157	585,938
Model homes		112,197	132,968
Total inventories owned		2,034,307	1,896,552
Southwest [Member]
Land and land under development	[1]	420,686	594,585
Homes completed and under construction		966,286	710,509
Model homes		102,969	116,575
Total inventories owned		1,489,941	1,421,669
West [Member]
Land and land under development	[1]	1,335,910	1,410,264
Homes completed and under construction		939,488	680,241
Model homes		162,934	178,094
Total inventories owned		$ 2,438,332	$ 2,268,599

[1] During the nine months ended September 30, 2017, we purchased $304.7 million of land (10,694 homesites), of which 27% (based on homesites) were located in the North, 34% in the Southeast, 18% in the Southwest, and 21% in the West. During the year ended December 31, 2016, we purchased $960.8 million of land (13,566 homesites), of which 25% (based on homesites) were located in the North, 25% in the Southeast, 24% in the Southwest, and 26% in the West.