Segment Information - Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating income (loss):
Homebuilding revenues	$ 145,145	$ 148,660
Amenity and other	4,818	4,637
Land sales	2,045	2,251
Total revenues	152,008	155,548
Expenses
Homebuilding cost of revenue	120,977	122,865
Homebuilding selling, general and administrative	25,515	22,371
Amenity and other	5,244	4,330
Land sales	231	982
Unallocated income (expenses):
Interest income and other	269	5
Interest expense	(3,391)	(837)
Income (loss) before income taxes	(3,081)	4,168
Income tax expense (benefit)	738	(1,729)
Net income (loss)	(2,343)	2,439
Operating Segments
Expenses
Segment operating income (loss)	4,785	9,679
Corporate, Non-Segment
Unallocated income (expenses):
Corporate general and administrative expenses	(4,744)	(4,679)
Florida | Operating Segments
Operating income (loss):
Homebuilding revenues	58,103	70,487
Amenity and other	4,818	4,637
Land sales	2,045	1,469
Total revenues	64,966	76,593
Expenses
Homebuilding cost of revenue	45,077	55,994
Homebuilding selling, general and administrative	9,102	9,298
Amenity and other	5,222	4,307
Land sales	231	196
Segment operating income (loss)	5,334	6,798
Carolinas | Operating Segments
Operating income (loss):
Homebuilding revenues	53,904	46,845
Land sales	0	782
Total revenues	53,904	47,627
Expenses
Homebuilding cost of revenue	48,163	40,133
Homebuilding selling, general and administrative	6,957	5,023
Land sales	0	786
Segment operating income (loss)	(1,216)	1,685
Arizona | Operating Segments
Operating income (loss):
Homebuilding revenues	25,246	31,328
Total revenues	25,246	31,328
Expenses
Homebuilding cost of revenue	21,134	26,738
Homebuilding selling, general and administrative	3,125	3,371
Amenity and other	22	23
Segment operating income (loss)	965	$ 1,196
Texas | Operating Segments
Operating income (loss):
Homebuilding revenues	7,892
Total revenues	7,892
Expenses
Homebuilding cost of revenue	6,603
Homebuilding selling, general and administrative	1,587
Segment operating income (loss)	$ (298)