Senior Notes, Secured, and Unsecured Indebtedness - Condensed Consolidating Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Operating revenue
Sales	$ 325,059	$ 247,740	$ 586,354	$ 437,455
Construction services	594	6,955	3,724	14,408
Management fees	0	0	0	0
Operating revenue	325,653	254,695	590,078	451,863
Operating costs
Cost of sales — homes	(268,638)	(200,248)	(483,809)	(354,329)
Construction services	(548)	(5,898)	(3,372)	(11,927)
Sales and marketing	(18,112)	(14,904)	(33,105)	(27,128)
General and administrative	(16,685)	(13,415)	(34,519)	(27,363)
Amortization of intangible assets	0	(462)	0	(665)
Other	(487)	(421)	(810)	(957)
Total operating costs	(304,470)	(235,348)	(555,615)	(422,369)
Income from subsidiaries	0	0	0	0
Operating income (loss)	21,183	19,347	34,463	29,494
Equity in income of unconsolidated joint ventures	1,194	515	2,375	763
Other income (expense), net	228	642	753	1,423
Income (loss) before provision for income taxes	22,605	20,504	37,591	31,680
Provision for income taxes	(7,519)	(7,254)	(12,564)	(10,824)
Net income (loss)	15,086	13,250	25,027	20,856
Less: Net income attributable to noncontrolling interests	(525)	(973)	(1,452)	(1,897)
Net income available to common stockholders	14,561	12,277	23,575	18,959
Reporting Entities | Delaware Lyon
Operating revenue
Sales	0	0	0	0
Construction services	0	0	0	0
Management fees	0	0	0	0
Operating revenue	0	0	0	0
Operating costs
Cost of sales — homes	0	0	0	0
Construction services	0	0	0	0
Sales and marketing	0	0	0	0
General and administrative	0	0	0	0
Amortization of intangible assets		0	0	0
Other	0	0	0	0
Total operating costs	0	0	0	0
Income from subsidiaries	14,561	12,277	23,575	18,959
Operating income (loss)	14,561	12,277	23,575	18,959
Equity in income of unconsolidated joint ventures	0	0	0	0
Other income (expense), net	0	0	0	0
Income (loss) before provision for income taxes	14,561	12,277	23,575	18,959
Provision for income taxes	0	0	0	0
Net income (loss)	14,561	12,277	23,575	18,959
Less: Net income attributable to noncontrolling interests	0	0	0	0
Net income available to common stockholders	14,561	12,277	23,575	18,959
Reporting Entities | California Lyon
Operating revenue
Sales	137,673	104,998	238,497	194,542
Construction services	594	6,955	3,724	14,408
Management fees	(366)	(195)	(1,046)	(706)
Operating revenue	137,901	111,758	241,175	208,244
Operating costs
Cost of sales — homes	(112,950)	(80,482)	(191,829)	(149,358)
Construction services	(548)	(5,898)	(3,372)	(11,927)
Sales and marketing	(5,925)	(6,412)	(11,875)	(12,166)
General and administrative	(13,475)	(10,669)	(27,481)	(21,988)
Amortization of intangible assets		(462)	0	(665)
Other	(358)	(646)	(727)	(1,782)
Total operating costs	(133,256)	(104,569)	(235,284)	(197,886)
Income from subsidiaries	1,687	276	3,924	(6,468)
Operating income (loss)	6,332	7,465	9,815	3,890
Equity in income of unconsolidated joint ventures	859	245	1,861	245
Other income (expense), net	550	840	1,323	5,206
Income (loss) before provision for income taxes	7,741	8,550	12,999	9,341
Provision for income taxes	(7,519)	(7,254)	(12,564)	(10,824)
Net income (loss)	222	1,296	435	(1,483)
Less: Net income attributable to noncontrolling interests	0	0	0	0
Net income available to common stockholders	222	1,296	435	(1,483)
Reporting Entities | Guarantor Subsidiaries
Operating revenue
Sales	175,203	136,263	313,003	219,397
Construction services	0	0	0	0
Management fees	0	0	0	0
Operating revenue	175,203	136,263	313,003	219,397
Operating costs
Cost of sales — homes	(144,473)	(114,216)	(260,033)	(184,600)
Construction services	0	0	0	0
Sales and marketing	(9,332)	(7,776)	(16,957)	(13,300)
General and administrative	(3,210)	(2,746)	(7,038)	(5,375)
Amortization of intangible assets		0	0	0
Other	(129)	225	(83)	825
Total operating costs	(157,144)	(124,513)	(284,111)	(202,450)
Income from subsidiaries	0	0	0	0
Operating income (loss)	18,059	11,750	28,892	16,947
Equity in income of unconsolidated joint ventures	335	270	514	518
Other income (expense), net	(6)	(14)	(15)	4,799
Income (loss) before provision for income taxes	18,388	12,006	29,391	22,264
Provision for income taxes	0	0	0	0
Net income (loss)	18,388	12,006	29,391	22,264
Less: Net income attributable to noncontrolling interests	0	0	0	0
Net income available to common stockholders	18,388	12,006	29,391	22,264
Reporting Entities | Non-Guarantor Subsidiaries
Operating revenue
Sales	12,183	6,479	34,854	23,516
Construction services	0	0	0	0
Management fees	0	0	0	0
Operating revenue	12,183	6,479	34,854	23,516
Operating costs
Cost of sales — homes	(10,849)	(5,355)	(30,901)	(19,665)
Construction services	0	0	0	0
Sales and marketing	(2,855)	(716)	(4,273)	(1,662)
General and administrative	0	0	0	0
Amortization of intangible assets		0	0	0
Other	0	0	0	0
Total operating costs	(13,704)	(6,071)	(35,174)	(21,327)
Income from subsidiaries	0	0	0	0
Operating income (loss)	(1,521)	408	(320)	2,189
Equity in income of unconsolidated joint ventures	0	0	0	0
Other income (expense), net	(316)	(184)	(555)	(8,582)
Income (loss) before provision for income taxes	(1,837)	224	(875)	(6,393)
Provision for income taxes	0	0		0
Net income (loss)	(1,837)	224	(875)	(6,393)
Less: Net income attributable to noncontrolling interests	(525)	(973)	(1,452)	(1,897)
Net income available to common stockholders	(2,362)	(749)	(2,327)	(8,290)
Consolidation, Eliminations
Operating revenue
Sales	0	0	0	0
Construction services	0	0	0	0
Management fees	366	195	1,046	706
Operating revenue	366	195	1,046	706
Operating costs
Cost of sales — homes	(366)	(195)	(1,046)	(706)
Construction services	0	0	0	0
Sales and marketing	0	0	0	0
General and administrative	0	0	0
Amortization of intangible assets		0	0	0
Other	0	0	0	0
Total operating costs	(366)	(195)	(1,046)	(706)
Income from subsidiaries	(16,248)	(12,553)	(27,499)	(12,491)
Operating income (loss)	(16,248)	(12,553)	(27,499)	(12,491)
Equity in income of unconsolidated joint ventures	0	0	0	0
Other income (expense), net	0	0	0	0
Income (loss) before provision for income taxes	(16,248)	(12,553)	(27,499)	(12,491)
Provision for income taxes	0	0	0	0
Net income (loss)	(16,248)	(12,553)	(27,499)	(12,491)
Less: Net income attributable to noncontrolling interests	0	0	0	0
Net income available to common stockholders	$ (16,248)	$ (12,553)	$ (27,499)	$ (12,491)