Supplemental Guarantor Information Supplemental Guarantor Information - Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
ASSETS:
Cash, cash equivalents and restricted cash	$ 67,817	$ 151,703
Mortgage loans held for sale	108,000	171,580
Inventory	1,652,468	1,414,574
Property and equipment - net	28,885	26,816
Investment in joint venture arrangements	13,753	20,525
Deferred income tax asset	17,528	18,438
Investment in subsidiaries	0	0
Intercompany	0	0
Goodwill	16,400	0
Other assets	65,689	61,135
TOTAL ASSETS	1,970,540	1,864,771
LIABILITIES:
Accounts payable	141,491	117,233
Customer deposits	41,510	26,378
Intercompany liabilities	0	0
Other liabilities	117,022	131,534
Community development district obligations	11,789	13,049
Obligation for consolidated inventory not owned	14,794	21,545
Notes payable bank - homebuilding operations	181,800	0
Notes payable bank - financial service operations	93,163	168,195
Notes payable - other	9,362	10,576
Convertible senior subordinated notes due 2018 - net	0	86,132
Senior notes due 2021 - net	297,332	296,780
Senior notes due 2025 - net	246,311	246,051
TOTAL LIABILITIES	1,154,574	1,117,473
TOTAL SHAREHOLDERS' EQUITY	815,966	747,298
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,970,540	1,864,771
Consolidation, Eliminations [Member]
ASSETS:
Cash, cash equivalents and restricted cash	0	0
Mortgage loans held for sale	0	0
Inventory	0	0
Property and equipment - net	0	0
Investment in joint venture arrangements	0	0
Deferred income tax asset	0	0
Investment in subsidiaries	(762,731)	(722,508)
Intercompany	(594,094)	(650,599)
Goodwill	0
Other assets	0	0
TOTAL ASSETS	(1,356,825)	(1,373,107)
LIABILITIES:
Accounts payable	0	0
Customer deposits	0	0
Intercompany liabilities	(594,094)	(650,599)
Other liabilities	0	0
Community development district obligations	0	0
Obligation for consolidated inventory not owned	0	0
Notes payable bank - homebuilding operations	0
Notes payable bank - financial service operations	0	0
Notes payable - other	0	0
Convertible senior subordinated notes due 2018 - net		0
Senior notes due 2021 - net	0	0
Senior notes due 2025 - net	0	0
TOTAL LIABILITIES	(594,094)	(650,599)
TOTAL SHAREHOLDERS' EQUITY	(762,731)	(722,508)
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	(1,356,825)	(1,373,107)
Parent Company [Member]
ASSETS:
Cash, cash equivalents and restricted cash	0	0
Mortgage loans held for sale	0	0
Inventory	0	0
Property and equipment - net	0	0
Investment in joint venture arrangements	0	0
Deferred income tax asset	0	0
Investment in subsidiaries	762,731	722,508
Intercompany	594,094	650,599
Goodwill	0
Other assets	2,784	3,154
TOTAL ASSETS	1,359,609	1,376,261
LIABILITIES:
Accounts payable	0	0
Customer deposits	0	0
Intercompany liabilities	0	0
Other liabilities	0	0
Community development district obligations	0	0
Obligation for consolidated inventory not owned	0	0
Notes payable bank - homebuilding operations	0
Notes payable bank - financial service operations	0	0
Notes payable - other	0	0
Convertible senior subordinated notes due 2018 - net		86,132
Senior notes due 2021 - net	297,332	296,780
Senior notes due 2025 - net	246,311	246,051
TOTAL LIABILITIES	543,643	628,963
TOTAL SHAREHOLDERS' EQUITY	815,966	747,298
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,359,609	1,376,261
Guarantor Subsidiaries [Member]
ASSETS:
Cash, cash equivalents and restricted cash	50,673	131,522
Mortgage loans held for sale	0	0
Inventory	1,652,468	1,414,574
Property and equipment - net	27,879	25,815
Investment in joint venture arrangements	11,541	13,930
Deferred income tax asset	17,528	18,438
Investment in subsidiaries	0	0
Intercompany	0	0
Goodwill	16,400
Other assets	53,935	48,430
TOTAL ASSETS	1,830,424	1,652,709
LIABILITIES:
Accounts payable	140,663	116,773
Customer deposits	41,510	26,378
Intercompany liabilities	590,943	645,048
Other liabilities	111,585	126,522
Community development district obligations	11,789	13,049
Obligation for consolidated inventory not owned	14,794	21,545
Notes payable bank - homebuilding operations	181,800
Notes payable bank - financial service operations	0	0
Notes payable - other	9,362	10,576
Convertible senior subordinated notes due 2018 - net		0
Senior notes due 2021 - net	0	0
Senior notes due 2025 - net	0	0
TOTAL LIABILITIES	1,102,446	959,891
TOTAL SHAREHOLDERS' EQUITY	727,978	692,818
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,830,424	1,652,709
Non-Guarantor Subsidiaries [Member]
ASSETS:
Cash, cash equivalents and restricted cash	17,144	20,181
Mortgage loans held for sale	108,000	171,580
Inventory	0	0
Property and equipment - net	1,006	1,001
Investment in joint venture arrangements	2,212	6,595
Deferred income tax asset	0	0
Investment in subsidiaries	0	0
Intercompany	0	0
Goodwill	0
Other assets	8,970	9,551
TOTAL ASSETS	137,332	208,908
LIABILITIES:
Accounts payable	828	460
Customer deposits	0	0
Intercompany liabilities	3,151	5,551
Other liabilities	5,437	5,012
Community development district obligations	0	0
Obligation for consolidated inventory not owned	0	0
Notes payable bank - homebuilding operations	0
Notes payable bank - financial service operations	93,163	168,195
Notes payable - other	0	0
Convertible senior subordinated notes due 2018 - net		0
Senior notes due 2021 - net	0	0
Senior notes due 2025 - net	0	0
TOTAL LIABILITIES	102,579	179,218
TOTAL SHAREHOLDERS' EQUITY	34,753	29,690
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 137,332	$ 208,908