Supplemental Guarantor Information Supplemental Guarantor Information - Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS:
Cash, cash equivalents and restricted cash	$ 103,636	$ 34,441
Mortgage loans held for sale	91,987	154,020
Inventory	1,455,809	1,215,934
Property and equipment - net	25,320	22,299
Investment in joint venture arrangements	22,981	28,016
Deferred Income taxes	29,569	30,875
Investment in subsidiaries	0	0
Intercompany	0	0
Other assets	55,393	62,926
TOTAL ASSETS	1,784,695	1,548,511
LIABILITIES:
Accounts payable	120,598	103,212
Customer deposits	30,583	22,156
Intercompany liabilities	0	0
Other liabilities	108,870	123,162
Preferred shares subject to redemption	50,420	0
Community development district obligations	5,298	476
Obligation for consolidated inventory not owned	22,203	7,528
Notes payable bank - homebuilding operations	0	40,300
Notes payable bank - financial service operations	91,275	152,895
Notes payable - other	4,057	6,415
Convertible senior subordinated notes due 2017 - net	0	57,093
Convertible senior subordinated notes due 2018 - net	85,955	85,423
Senior notes due 2021	296,505	295,677
Senior notes due 2025	245,958	0
TOTAL LIABILITIES	1,061,722	894,337
TOTAL SHAREHOLDERS' EQUITY	722,973	654,174
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,784,695	1,548,511
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 taxes	0	0
Investment in subsidiaries	(710,176)	(666,008)
Intercompany	(688,260)	(424,669)
Other assets	0	0
TOTAL ASSETS	(1,398,436)	(1,090,677)
LIABILITIES:
Accounts payable	0	0
Customer deposits	0	0
Intercompany liabilities	(688,260)	(424,669)
Other liabilities	0	0
Preferred shares subject to redemption	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 2017 - net		0
Convertible senior subordinated notes due 2018 - net	0	0
Senior notes due 2021	0	0
Senior notes due 2025	0
TOTAL LIABILITIES	(688,260)	(424,669)
TOTAL SHAREHOLDERS' EQUITY	(710,176)	(666,008)
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	(1,398,436)	(1,090,677)
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 taxes	0	0
Investment in subsidiaries	710,176	666,008
Intercompany	688,260	424,669
Other assets	3,375	1,690
TOTAL ASSETS	1,401,811	1,092,367
LIABILITIES:
Accounts payable	0	0
Customer deposits	0	0
Intercompany liabilities	0	0
Other liabilities	0	0
Preferred shares subject to redemption	50,420
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 2017 - net		57,093
Convertible senior subordinated notes due 2018 - net	85,955	85,423
Senior notes due 2021	296,505	295,677
Senior notes due 2025	245,958
TOTAL LIABILITIES	678,838	438,193
TOTAL SHAREHOLDERS' EQUITY	722,973	654,174
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,401,811	1,092,367
Guarantor Subsidiaries [Member]
ASSETS:
Cash, cash equivalents and restricted cash	82,504	20,927
Mortgage loans held for sale	0	0
Inventory	1,455,809	1,215,934
Property and equipment - net	24,325	21,242
Investment in joint venture arrangements	15,764	12,537
Deferred Income taxes	29,461	30,767
Investment in subsidiaries	0	0
Intercompany	0	0
Other assets	42,473	43,809
TOTAL ASSETS	1,650,336	1,345,216
LIABILITIES:
Accounts payable	120,049	102,663
Customer deposits	30,583	22,156
Intercompany liabilities	683,308	411,196
Other liabilities	104,279	117,133
Preferred shares subject to redemption	0
Community development district obligations	5,298	476
Obligation for consolidated inventory not owned	22,203	7,528
Notes payable bank - homebuilding operations		40,300
Notes payable bank - financial service operations	0	0
Notes payable - other	4,057	6,415
Convertible senior subordinated notes due 2017 - net		0
Convertible senior subordinated notes due 2018 - net	0	0
Senior notes due 2021	0	0
Senior notes due 2025	0
TOTAL LIABILITIES	969,777	707,867
TOTAL SHAREHOLDERS' EQUITY	680,559	637,349
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,650,336	1,345,216
Non-Guarantor Subsidiaries [Member]
ASSETS:
Cash, cash equivalents and restricted cash	21,132	13,514
Mortgage loans held for sale	91,987	154,020
Inventory	0	0
Property and equipment - net	995	1,057
Investment in joint venture arrangements	7,217	15,479
Deferred Income taxes	108	108
Investment in subsidiaries	0	0
Intercompany	0	0
Other assets	9,545	17,427
TOTAL ASSETS	130,984	201,605
LIABILITIES:
Accounts payable	549	549
Customer deposits	0	0
Intercompany liabilities	4,952	13,473
Other liabilities	4,591	6,029
Preferred shares subject to redemption	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	91,275	152,895
Notes payable - other	0	0
Convertible senior subordinated notes due 2017 - net		0
Convertible senior subordinated notes due 2018 - net	0	0
Senior notes due 2021	0	0
Senior notes due 2025	0
TOTAL LIABILITIES	101,367	172,946
TOTAL SHAREHOLDERS' EQUITY	29,617	28,659
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 130,984	$ 201,605