Supplemental Guarantor Information Supplemental Guarantor Information - Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
ASSETS:
Cash, cash equivalents and restricted cash	$ 53,577	$ 151,703
Mortgage loans held for sale	110,612	171,580
Inventory	1,580,344	1,414,574
Property and equipment - net	25,872	26,816
Investment in joint venture arrangements	22,066	20,525
Deferred income tax asset	18,104	18,438
Investment in subsidiaries	0	0
Intercompany	0	0
Goodwill	16,400	0
Other assets	67,398	61,135
TOTAL ASSETS	1,894,373	1,864,771
LIABILITIES:
Accounts payable	118,839	117,233
Customer deposits	37,454	26,378
Intercompany liabilities	0	0
Other liabilities	102,758	131,534
Community development district obligations	12,499	13,049
Obligation for consolidated inventory not owned	18,199	21,545
Notes payable bank - homebuilding operations	162,300	0
Notes payable bank - financial service operations	102,711	168,195
Notes payable - other	10,011	10,576
Convertible senior subordinated notes due 2018 - net	0	86,132
Senior notes due 2021 - net	297,056	296,780
Senior notes due 2025 - net	246,181	246,051
TOTAL LIABILITIES	1,108,008	1,117,473
TOTAL SHAREHOLDERS' EQUITY	786,365	747,298
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,894,373	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	(737,821)	(722,508)
Intercompany	(588,850)	(650,599)
Goodwill	0
Other assets	0	0
TOTAL ASSETS	(1,326,671)	(1,373,107)
LIABILITIES:
Accounts payable	0	0
Customer deposits	0	0
Intercompany liabilities	(588,850)	(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	(588,850)	(650,599)
TOTAL SHAREHOLDERS' EQUITY	(737,821)	(722,508)
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	(1,326,671)	(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	737,821	722,508
Intercompany	588,850	650,599
Goodwill	0
Other assets	2,931	3,154
TOTAL ASSETS	1,329,602	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	297,056	296,780
Senior notes due 2025 - net	246,181	246,051
TOTAL LIABILITIES	543,237	628,963
TOTAL SHAREHOLDERS' EQUITY	786,365	747,298
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,329,602	1,376,261
Guarantor Subsidiaries [Member]
ASSETS:
Cash, cash equivalents and restricted cash	30,416	131,522
Mortgage loans held for sale	0	0
Inventory	1,580,344	1,414,574
Property and equipment - net	24,915	25,815
Investment in joint venture arrangements	14,784	13,930
Deferred income tax asset	18,104	18,438
Investment in subsidiaries	0	0
Intercompany	0	0
Goodwill	16,400
Other assets	56,700	48,430
TOTAL ASSETS	1,741,663	1,652,709
LIABILITIES:
Accounts payable	118,482	116,773
Customer deposits	37,454	26,378
Intercompany liabilities	581,356	645,048
Other liabilities	97,363	126,522
Community development district obligations	12,499	13,049
Obligation for consolidated inventory not owned	18,199	21,545
Notes payable bank - homebuilding operations	162,300
Notes payable bank - financial service operations	0	0
Notes payable - other	10,011	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	1,037,664	959,891
TOTAL SHAREHOLDERS' EQUITY	703,999	692,818
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,741,663	1,652,709
Non-Guarantor Subsidiaries [Member]
ASSETS:
Cash, cash equivalents and restricted cash	23,161	20,181
Mortgage loans held for sale	110,612	171,580
Inventory	0	0
Property and equipment - net	957	1,001
Investment in joint venture arrangements	7,282	6,595
Deferred income tax asset	0	0
Investment in subsidiaries	0	0
Intercompany	0	0
Goodwill	0
Other assets	7,767	9,551
TOTAL ASSETS	149,779	208,908
LIABILITIES:
Accounts payable	357	460
Customer deposits	0	0
Intercompany liabilities	7,494	5,551
Other liabilities	5,395	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	102,711	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	115,957	179,218
TOTAL SHAREHOLDERS' EQUITY	33,822	29,690
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 149,779	$ 208,908