Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013 segment	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Assets	$ 267,320				$ 137,534				$ 267,320	$ 137,534
REVENUE:
Homebuilding	25,902	21,369	20,907	4,333	9,736	1,356	1,435	1,533	72,511	14,060	8,285
Land development	3,680	2,250	6,815	7,470	20,119	21,945	0	2,002	20,215	44,066	15,893
Total revenue	29,582	23,619	27,722	11,803	29,855	23,301	1,435	3,535	92,726	58,126	24,178
Gross Profit [Abstract]
Net (loss) income	(2,044)	(336)	(1,097)	(810)	3,711	2,566	(2,162)	(1,097)	(4,609)	2,440	(6,601)
Sales and marketing	7,959	6,019	7,425	4,612	4,571	3,354	2,624	2,429
General and administrative	6,059	4,503	5,326	3,480	3,028	2,481	2,386	2,208	19,368	10,103	6,464
Other income	4	55	224	39	50	227	93	208
Net (loss) income before income taxes									(4,287)	3,018	(6,567)
Reportable segments									2
Home Building [Member]
Segment Reporting Information [Line Items]
Assets	108,594				31,427				108,594	31,427
Land Development [Member]
Segment Reporting Information [Line Items]
Assets	68,254				93,940				68,254	93,940
Corporate [Member]
Segment Reporting Information [Line Items]
Assets	90,472				12,167				90,472	12,167
Operating Segments [Member]
REVENUE:
Total revenue									92,726	58,126	24,178
Gross Profit [Abstract]
Net (loss) income									21,406	15,418	1,277
Operating Segments [Member] | Home Building [Member]
REVENUE:
Homebuilding									72,511	14,060	8,285
Gross Profit [Abstract]
Net (loss) income									15,011	4,228	2,664
Operating Segments [Member] | Land Development [Member]
REVENUE:
Land development									20,215	44,066	15,893
Gross Profit [Abstract]
Net (loss) income									6,395	11,190	(1,387)
Corporate, Non-Segment [Member]
Gross Profit [Abstract]
Sales and marketing									6,647	2,875	1,414
Other income									$ 322	$ 578	$ 34