Supplemental Guarantor Information Supplemental Guarantor Information - Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
ASSETS:
Cash, cash equivalents and restricted cash	$ 21,529	$ 151,703	$ 34,441	$ 13,101
Mortgage loans held for sale	169,651	171,580
Inventory	1,674,460	1,414,574
Property and equipment - net	29,395	26,816
Investment in joint venture arrangements	35,870	20,525
Investment in subsidiaries	0	0
Deferred income taxes, net of valuation allowance	13,482	18,438
Intercompany assets	0	0
Goodwill	16,400	0
Other assets	60,794	61,135
TOTAL ASSETS	2,021,581	1,864,771
LIABILITIES:
Accounts payable	131,511	117,233
Customer deposits	32,055	26,378
Intercompany liabilities	0	0
Other liabilities	150,051	131,534
Community development district obligations	12,392	13,049
Obligation for consolidated inventory not owned	19,308	21,545
Notes payable bank - homebuilding operations	117,400	0
Notes payable bank - financial services operations	153,168	168,195
Notes payable - other	5,938	10,576
Convertible senior subordinated notes due 2018 - net	0	86,132
Senior notes due 2021 - net	297,884	296,780
Senior notes due 2025 - net	246,571	246,051
TOTAL LIABILITIES	1,166,278	1,117,473
TOTAL SHAREHOLDERS' EQUITY	855,303	747,298
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	2,021,581	1,864,771
Consolidation, Eliminations [Member]
ASSETS:
Cash, cash equivalents and restricted cash	0	0	0	(7,951)
Mortgage loans held for sale	0	0
Inventory	0	0
Property and equipment - net	0	0
Investment in joint venture arrangements	0	0
Investment in subsidiaries	(817,986)	(722,508)
Deferred income taxes, net of valuation allowance	0	0
Intercompany assets	(579,447)	(650,599)
Goodwill	0
Other assets	0	0
TOTAL ASSETS	(1,397,433)	(1,373,107)
LIABILITIES:
Accounts payable	0	0
Customer deposits	0	0
Intercompany liabilities	(579,447)	(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 services 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	(579,447)	(650,599)
TOTAL SHAREHOLDERS' EQUITY	(817,986)	(722,508)
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	(1,397,433)	(1,373,107)
Parent Company [Member]
ASSETS:
Cash, cash equivalents and restricted cash	0	0	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
Investment in subsidiaries	817,986	722,508
Deferred income taxes, net of valuation allowance	0	0
Intercompany assets	579,447	650,599
Goodwill	0
Other assets	2,325	3,154
TOTAL ASSETS	1,399,758	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 services operations	0	0
Notes payable - other	0	0
Convertible senior subordinated notes due 2018 - net		86,132
Senior notes due 2021 - net	297,884	296,780
Senior notes due 2025 - net	246,571	246,051
TOTAL LIABILITIES	544,455	628,963
TOTAL SHAREHOLDERS' EQUITY	855,303	747,298
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,399,758	1,376,261
Non-Guarantor Subsidiaries [Member]
ASSETS:
Cash, cash equivalents and restricted cash	15,975	20,181	13,514	18,156
Mortgage loans held for sale	169,651	171,580
Inventory	0	0
Property and equipment - net	910	1,001
Investment in joint venture arrangements	2,573	6,595
Investment in subsidiaries	0	0
Deferred income taxes, net of valuation allowance	0	0
Intercompany assets	0	0
Goodwill	0
Other assets	10,731	9,551
TOTAL ASSETS	199,840	208,908
LIABILITIES:
Accounts payable	422	460
Customer deposits	0	0
Intercompany liabilities	949	5,551
Other liabilities	9,191	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 services operations	153,168	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	163,730	179,218
TOTAL SHAREHOLDERS' EQUITY	36,110	29,690
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	199,840	208,908
Guarantor Subsidiaries [Member]
ASSETS:
Cash, cash equivalents and restricted cash	5,554	131,522	$ 20,927	$ 2,896
Mortgage loans held for sale	0	0
Inventory	1,674,460	1,414,574
Property and equipment - net	28,485	25,815
Investment in joint venture arrangements	33,297	13,930
Investment in subsidiaries	0	0
Deferred income taxes, net of valuation allowance	13,482	18,438
Intercompany assets	0	0
Goodwill	16,400
Other assets	47,738	48,430
TOTAL ASSETS	1,819,416	1,652,709
LIABILITIES:
Accounts payable	131,089	116,773
Customer deposits	32,055	26,378
Intercompany liabilities	578,498	645,048
Other liabilities	140,860	126,522
Community development district obligations	12,392	13,049
Obligation for consolidated inventory not owned	19,308	21,545
Notes payable bank - homebuilding operations	117,400
Notes payable bank - financial services operations	0	0
Notes payable - other	5,938	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	1,037,540	959,891
TOTAL SHAREHOLDERS' EQUITY	781,876	692,818
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 1,819,416	$ 1,652,709