Supplemental Guarantor Information (Supplemental Condensed Consolidated Statement Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues
Home sales revenues	$ 226,420	$ 181,081
Land sales and other revenues	1,896	3,015
Homebuilding revenues	228,316	184,096
Financial services revenue
Total revenues	228,316	184,096
Cost of home sales revenues	(182,324)	(144,353)
Costs of land sales and other revenues	(1,144)	(2,542)
Homebuilding cost of revenues	(183,468)	(146,895)
Financial services costs	(754)
Selling, general, and administrative	(33,212)	(25,185)
Other income (expense):
Equity in income of unconsolidated subsidiaries	1,255
Other income (expense)	(86)	413
Loss on disposition of assets	(59)	220
Income before income tax expense	12,051	12,429
Income tax expense	(3,252)	(4,446)
Net income	8,799	7,983
CCS [Member]
Revenues
Selling, general, and administrative	(9,948)	(5,392)
Other income (expense):
Equity in earnings from consolidated subsidiaries	13,541	11,689
Equity in income of unconsolidated subsidiaries	1,255
Other income (expense)	(474)	(162)
Income before income tax expense	4,374	6,135
Income tax expense	4,425	1,848
Net income	8,799	7,983
Guarantor Subsidiaries [Member]
Revenues
Home sales revenues	226,420	181,081
Land sales and other revenues	1,896	3,015
Homebuilding revenues	228,316	184,096
Total revenues	228,316	184,096
Cost of home sales revenues	(182,324)	(144,353)
Costs of land sales and other revenues	(1,144)	(2,542)
Homebuilding cost of revenues	(183,468)	(146,895)
Selling, general, and administrative	(23,264)	(19,793)
Other income (expense):
Other income (expense)	351	575
Income before income tax expense	21,935	17,983
Income tax expense	(7,677)	(6,294)
Net income	14,258	11,689
Non-Guarantor Subsidiaries [Member]
Revenues
Land sales and other revenues	241
Homebuilding revenues	241
Total revenues	241
Financial services costs	(754)
Other income (expense):
Other income (expense)	37
Income before income tax expense	(476)
Net income	(476)
Elimination Entries [Member]
Revenues
Land sales and other revenues	(241)
Homebuilding revenues	(241)
Total revenues	(241)
Other income (expense):
Equity in earnings from consolidated subsidiaries	(13,541)	(11,689)
Income before income tax expense	(13,782)	(11,689)
Net income	$ (13,782)	$ (11,689)