Supplemental Guarantor Information Supplemental Guarantor Information - Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019	Dec. 31, 2018
ASSETS:
Cash, cash equivalents and restricted cash	$ 94,023	$ 6,083	$ 20,393	$ 21,529
Mortgage loans held for sale	163,536	155,244
Inventory	1,830,810	1,769,507
Property and equipment - net	21,004	22,118
Investment in joint venture arrangements	45,144	37,885
Operating lease right-of-use assets	51,193	18,415
Deferred Income Tax Assets, Net	9,378	9,631
Investment in subsidiaries	0	0
Intercompany assets	0	0
Goodwill	16,400	16,400
Other assets	96,220	70,311
Total assets	2,327,708	2,105,594
LIABILITIES:
Accounts payable	169,088	125,026
Customer deposits	49,529	34,462
Operating lease liabilities	51,193	18,415
Intercompany liabilities	0	0
Other liabilities	158,146	147,937
Community development district obligations	11,560	13,531
Obligation for consolidated inventory not owned	11,035	7,934
Notes payable bank - homebuilding operations	0	66,000
Notes payable bank - financial service operations	134,184	136,904
Notes payable - other	7,041	5,828
Senior notes due 2021 - net	0	298,988
Senior notes due 2025 - net	247,353	247,092
Senior notes due 2028 - net	394,174	0
TOTAL LIABILITIES	1,233,303	1,102,117
TOTAL SHAREHOLDERS' EQUITY	1,094,405	1,003,477
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	2,327,708	2,105,594
Consolidation, Eliminations [Member]
ASSETS:
Cash, cash equivalents and restricted cash	0	(5,725)	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
Operating lease right-of-use assets	0	0
Deferred Income Tax Assets, Net	0	0
Investment in subsidiaries	(1,013,097)	(928,942)
Intercompany assets	(719,685)	(619,204)
Goodwill	0	0
Other assets	0	0
Total assets	(1,732,782)	(1,553,871)
LIABILITIES:
Accounts payable	0	(5,725)
Customer deposits	0	0
Operating lease liabilities	0	0
Intercompany liabilities	(719,685)	(619,204)
Other liabilities	0	0
Community development district obligations	0	0
Obligation for consolidated inventory not owned	0	0
Notes payable bank - homebuilding operations	0	0
Notes payable bank - financial service operations	0	0
Notes payable - other	0	0
Senior notes due 2021 - net		0
Senior notes due 2025 - net	0	0
Senior notes due 2028 - net	0
TOTAL LIABILITIES	(719,685)	(624,929)
TOTAL SHAREHOLDERS' EQUITY	(1,013,097)	(928,942)
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	(1,732,782)	(1,553,871)
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
Operating lease right-of-use assets	0	0
Deferred Income Tax Assets, Net	0	0
Investment in subsidiaries	1,013,097	928,942
Intercompany assets	719,685	619,204
Goodwill	0	0
Other assets	3,150	1,411
Total assets	1,735,932	1,549,557
LIABILITIES:
Accounts payable	0	0
Customer deposits	0	0
Operating lease liabilities	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	0
Notes payable bank - financial service operations	0	0
Notes payable - other	0	0
Senior notes due 2021 - net		298,988
Senior notes due 2025 - net	247,353	247,092
Senior notes due 2028 - net	394,174
TOTAL LIABILITIES	641,527	546,080
TOTAL SHAREHOLDERS' EQUITY	1,094,405	1,003,477
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	1,735,932	1,549,557
Guarantor Subsidiaries [Member]
ASSETS:
Cash, cash equivalents and restricted cash	78,979	219	3,473	5,554
Mortgage loans held for sale	0	0
Inventory	1,830,810	1,769,507
Property and equipment - net	20,126	21,372
Investment in joint venture arrangements	42,854	35,391
Operating lease right-of-use assets	40,766	15,689
Deferred Income Tax Assets, Net	9,378	9,631
Investment in subsidiaries	0	0
Intercompany assets	0	0
Goodwill	16,400	16,400
Other assets	77,904	56,134
Total assets	2,117,217	1,924,343
LIABILITIES:
Accounts payable	168,291	130,136
Customer deposits	49,529	34,462
Operating lease liabilities	40,766	15,691
Intercompany liabilities	714,549	618,946
Other liabilities	150,286	141,015
Community development district obligations	11,560	13,531
Obligation for consolidated inventory not owned	11,035	7,934
Notes payable bank - homebuilding operations	0	66,000
Notes payable bank - financial service operations	0	0
Notes payable - other	7,041	5,828
Senior notes due 2021 - net		0
Senior notes due 2025 - net	0	0
Senior notes due 2028 - net	0
TOTAL LIABILITIES	1,153,057	1,033,543
TOTAL SHAREHOLDERS' EQUITY	964,160	890,800
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	2,117,217	1,924,343
Non-Guarantor Subsidiaries [Member]
ASSETS:
Cash, cash equivalents and restricted cash	15,044	11,589	$ 16,920	$ 15,975
Mortgage loans held for sale	163,536	155,244
Inventory	0	0
Property and equipment - net	878	746
Investment in joint venture arrangements	2,290	2,494
Operating lease right-of-use assets	10,427	2,726
Deferred Income Tax Assets, Net	0	0
Investment in subsidiaries	0	0
Intercompany assets	0	0
Goodwill	0	0
Other assets	15,166	12,766
Total assets	207,341	185,565
LIABILITIES:
Accounts payable	797	615
Customer deposits	0	0
Operating lease liabilities	10,427	2,724
Intercompany liabilities	5,136	258
Other liabilities	7,860	6,922
Community development district obligations	0	0
Obligation for consolidated inventory not owned	0	0
Notes payable bank - homebuilding operations	0	0
Notes payable bank - financial service operations	134,184	136,904
Notes payable - other	0	0
Senior notes due 2021 - net		0
Senior notes due 2025 - net	0	0
Senior notes due 2028 - net	0
TOTAL LIABILITIES	158,404	147,423
TOTAL SHAREHOLDERS' EQUITY	48,937	38,142
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 207,341	$ 185,565