Senior Notes, Secured, and Unsecured Indebtedness - Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating activities
Net cash (used in) provided by operating activities	$ (74,905)	$ (104,940)
Investing activities
Collection of related party note receivable	6,188	0
Investments in and advances to unconsolidated joint ventures		(1,000)
Purchases of property and equipment	(619)	(247)
Investments in subsidiaries	0	0
Net cash provided by (used in) investing activities	5,569	(1,247)
Financing activities
Proceeds from borrowings on notes payable	82,869	28,394
Principal payments on notes payable	(42,099)	(11,848)
Proceeds from borrowings on Revolver	120,000	144,000
Payments on Revolver	(126,000)	(40,000)
Principal payments on subordinated amortizing notes	(3,374)	(3,368)
Payment of deferred loan costs	(214)	(799)
Proceeds from stock options exercised	0	106
Shares remitted to, or withheld by the Company for employee tax withholding	(844)	(1,632)
Excess income tax benefit from stock based awards	(178)	0
Noncontrolling interest contributions	33,963	5,625
Noncontrolling interest distributions	(5,226)	(6,417)
Advances to affiliates	0	0
Intercompany receivables/payables	0	0
Net cash provided by financing activities	58,897	114,061
Net (decrease) increase in cash and cash equivalents	(10,439)	7,874
Cash and cash equivalents — beginning of period	50,203	52,771
Cash and cash equivalents — end of period	39,764	60,645
Reporting Entities | Delaware Lyon
Operating activities
Net cash (used in) provided by operating activities	(1,539)	(1,631)
Investing activities
Collection of related party note receivable	0
Investments in and advances to unconsolidated joint ventures		0
Purchases of property and equipment	0	0
Investments in subsidiaries	0	0
Net cash provided by (used in) investing activities	0	0
Financing activities
Proceeds from borrowings on notes payable	0	0
Principal payments on notes payable	0	0
Proceeds from borrowings on Revolver	0	0
Payments on Revolver	0	0
Principal payments on subordinated amortizing notes	0	0
Payment of deferred loan costs	0	0
Proceeds from stock options exercised		0
Shares remitted to, or withheld by the Company for employee tax withholding	0	0
Excess income tax benefit from stock based awards	0
Noncontrolling interest contributions	0	0
Noncontrolling interest distributions	0	0
Advances to affiliates	0	0
Intercompany receivables/payables	1,539	1,631
Net cash provided by financing activities	1,539	1,631
Net (decrease) increase in cash and cash equivalents	0	0
Cash and cash equivalents — beginning of period	0	0
Cash and cash equivalents — end of period	0	0
Reporting Entities | California Lyon
Operating activities
Net cash (used in) provided by operating activities	33,612	(98,069)
Investing activities
Collection of related party note receivable	6,188
Investments in and advances to unconsolidated joint ventures		(1,000)
Purchases of property and equipment	(647)	(303)
Investments in subsidiaries	(4,244)	(5,004)
Net cash provided by (used in) investing activities	1,297	(6,307)
Financing activities
Proceeds from borrowings on notes payable	2,211	0
Principal payments on notes payable	(8,084)	(2,385)
Proceeds from borrowings on Revolver	120,000	144,000
Payments on Revolver	(126,000)	(40,000)
Principal payments on subordinated amortizing notes	(3,374)	(3,368)
Payment of deferred loan costs	(214)	(799)
Proceeds from stock options exercised		106
Shares remitted to, or withheld by the Company for employee tax withholding	(844)	(1,632)
Excess income tax benefit from stock based awards	(178)
Noncontrolling interest contributions	0	0
Noncontrolling interest distributions	0	0
Advances to affiliates	0	0
Intercompany receivables/payables	(28,035)	12,599
Net cash provided by financing activities	(44,518)	108,521
Net (decrease) increase in cash and cash equivalents	(9,609)	4,145
Cash and cash equivalents — beginning of period	44,332	48,462
Cash and cash equivalents — end of period	34,723	52,607
Reporting Entities | Guarantor Subsidiaries
Operating activities
Net cash (used in) provided by operating activities	(22,138)	13,591
Investing activities
Collection of related party note receivable	0
Investments in and advances to unconsolidated joint ventures		0
Purchases of property and equipment	44	41
Investments in subsidiaries	30,672	(6,627)
Net cash provided by (used in) investing activities	30,716	(6,586)
Financing activities
Proceeds from borrowings on notes payable	0	0
Principal payments on notes payable	0	(162)
Proceeds from borrowings on Revolver	0	0
Payments on Revolver	0	0
Principal payments on subordinated amortizing notes	0	0
Payment of deferred loan costs	0	0
Proceeds from stock options exercised		0
Shares remitted to, or withheld by the Company for employee tax withholding	0	0
Excess income tax benefit from stock based awards	0
Noncontrolling interest contributions	0	0
Noncontrolling interest distributions	0	0
Advances to affiliates	(4,480)	(4,807)
Intercompany receivables/payables	(6,258)	(1,845)
Net cash provided by financing activities	(10,738)	(6,814)
Net (decrease) increase in cash and cash equivalents	(2,160)	191
Cash and cash equivalents — beginning of period	2,723	573
Cash and cash equivalents — end of period	563	764
Reporting Entities | Non-Guarantor Subsidiaries
Operating activities
Net cash (used in) provided by operating activities	(86,379)	(20,462)
Investing activities
Collection of related party note receivable	0
Investments in and advances to unconsolidated joint ventures		0
Purchases of property and equipment	(16)	15
Investments in subsidiaries	0	0
Net cash provided by (used in) investing activities	(16)	15
Financing activities
Proceeds from borrowings on notes payable	80,658	28,394
Principal payments on notes payable	(34,015)	(9,301)
Proceeds from borrowings on Revolver	0	0
Payments on Revolver	0	0
Principal payments on subordinated amortizing notes	0	0
Payment of deferred loan costs	0	0
Proceeds from stock options exercised		0
Shares remitted to, or withheld by the Company for employee tax withholding	0	0
Excess income tax benefit from stock based awards	0
Noncontrolling interest contributions	33,963	5,625
Noncontrolling interest distributions	(5,226)	(6,417)
Advances to affiliates	10,495	6,826
Intercompany receivables/payables	1,850	(1,142)
Net cash provided by financing activities	87,725	23,985
Net (decrease) increase in cash and cash equivalents	1,330	3,538
Cash and cash equivalents — beginning of period	3,148	3,736
Cash and cash equivalents — end of period	4,478	7,274
Consolidation, Eliminations
Operating activities
Net cash (used in) provided by operating activities	1,539	1,631
Investing activities
Collection of related party note receivable	0
Investments in and advances to unconsolidated joint ventures		0
Purchases of property and equipment	0	0
Investments in subsidiaries	(26,428)	11,631
Net cash provided by (used in) investing activities	(26,428)	11,631
Financing activities
Proceeds from borrowings on notes payable	0	0
Principal payments on notes payable		0
Proceeds from borrowings on Revolver		0
Payments on Revolver	0	0
Principal payments on subordinated amortizing notes	0	0
Payment of deferred loan costs	0	0
Proceeds from stock options exercised		0
Shares remitted to, or withheld by the Company for employee tax withholding	0	0
Excess income tax benefit from stock based awards	0
Noncontrolling interest contributions	0	0
Noncontrolling interest distributions	0	0
Advances to affiliates	(6,015)	(2,019)
Intercompany receivables/payables	30,904	(11,243)
Net cash provided by financing activities	24,889	(13,262)
Net (decrease) increase in cash and cash equivalents	0	0
Cash and cash equivalents — beginning of period	0	0
Cash and cash equivalents — end of period	$ 0	$ 0