Note 16 - Supplemental Guarantor Information (Details) - Condensed Consolidating Statements of Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Homebuilding:
Revenues	$ 2,411,178		$ 1,914,609		$ 1,236,958
Cost of sales	(1,792,795)		(1,445,413)		(993,284)
Gross margin	618,383	[1]	469,196	[1]	243,674
Selling, general and administrative expenses	(275,861)		(230,691)		(172,207)
Income (loss) from unconsolidated joint ventures	(668)		949		(2,090)
Interest expense					(6,396)
Other income (expense)	(1,733)		6,815		4,664
Homebuilding pretax income (loss)	340,121		246,269		67,645
Financial Services:
Financial services pretax income (loss)	9,843		11,429		10,542
Income (loss) before income taxes	349,964		257,698		78,187
(Provision) benefit for income taxes	(134,099)		(68,983)		453,234
Net income (loss)	215,865	[1]	188,715	[1]	531,421
Consolidation, Eliminations [Member]
Homebuilding:
Equity income (loss) of subsidiaries	(155,943)		(81,140)		(13,314)
Homebuilding pretax income (loss)	(155,943)		(81,140)		(13,314)
Financial Services:
Income (loss) before income taxes	(155,943)		(81,140)		(13,314)
Net income (loss)	(155,943)		(81,140)		(13,314)
Parent Company [Member]
Homebuilding:
Revenues	813,423		819,044		518,040
Cost of sales	(599,911)		(609,858)		(408,569)
Gross margin	213,512		209,186		109,471
Selling, general and administrative expenses	(101,020)		(94,819)		(78,335)
Income (loss) from unconsolidated joint ventures	(71)		1,369		(166)
Equity income (loss) of subsidiaries	155,943		81,140		13,314
Interest expense	13,718		16,419		17,319
Other income (expense)	(3,954)		7,515		4,695
Homebuilding pretax income (loss)	278,128		220,810		66,298
Financial Services:
Income (loss) before income taxes	278,128		220,810		66,298
(Provision) benefit for income taxes	(62,263)		(32,095)		465,123
Net income (loss)	215,865		188,715		531,421
Guarantor Subsidiaries [Member]
Homebuilding:
Revenues	1,025,404		826,245		580,419
Cost of sales	(779,578)		(632,733)		(463,566)
Gross margin	245,826		193,512		116,853
Selling, general and administrative expenses	(131,068)		(111,746)		(81,490)
Income (loss) from unconsolidated joint ventures	88		(137)		(659)
Interest expense	(11,497)		(11,651)		(17,052)
Other income (expense)	(469)		(321)		194
Homebuilding pretax income (loss)	102,880		69,657		17,846
Financial Services:
Income (loss) before income taxes	102,880		69,657		17,846
(Provision) benefit for income taxes	(40,469)		(23,676)		(6,668)
Net income (loss)	62,411		45,981		11,178
Non-Guarantor Subsidiaries [Member]
Homebuilding:
Revenues	572,351		269,320		138,499
Cost of sales	(413,306)		(202,822)		(121,149)
Gross margin	159,045		66,498		17,350
Selling, general and administrative expenses	(43,773)		(24,126)		(12,382)
Income (loss) from unconsolidated joint ventures	(685)		(283)		(1,265)
Interest expense	(2,221)		(4,768)		(6,663)
Other income (expense)	2,690		(379)		(225)
Homebuilding pretax income (loss)	115,056		36,942		(3,185)
Financial Services:
Financial services pretax income (loss)	9,843		11,429		10,542
Income (loss) before income taxes	124,899		48,371		7,357
(Provision) benefit for income taxes	(31,367)		(13,212)		(5,221)
Net income (loss)	$ 93,532		$ 35,159		$ 2,136

[1] Per share amounts do not add across due to rounding differences in quarterly amounts and due to the impact of differences between the quarterly and annual weighted average share calculations.