Quarterly Results (unaudited) - Quarterly Results Financial Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 26,207	$ 12,288	$ 12,564	$ 10,317	$ 9,844	$ 18,367	$ 11,800	$ 7,954	$ 61,376	$ 47,965
Operating (loss) income	(812)	(1,015)	(799)	(930)	(2,550)	1,022	(624)	(824)	(3,556)	(2,976)
Pretax (loss) income	(753)	(987)	(217)	(738)	(2,493)	1,128	(612)	(769)	(2,695)	(2,746)
Net (loss) income	2	(1,023)	(274)	(668)	(2,593)	991	(669)	(843)	(1,963)	(3,114)
Net loss attributable to Comstock Holding Companies, Inc.	$ (1,725)	$ (1,091)	$ (808)	$ (943)	$ (3,437)	$ (159)	$ (1,664)	$ (1,579)	$ (4,567)	$ (6,839)
Basic loss per share	$ (0.54)	$ (0.33)	$ (0.25)	$ (0.31)	$ (1.14)	$ (0.05)	$ (0.55)	$ (0.53)	$ (1.43)	$ (2.27)
Diluted loss per share	$ (0.54)	$ (0.33)	$ (0.25)	$ (0.31)	$ (1.14)	$ (0.05)	$ (0.55)	$ (0.53)	$ (1.43)	$ (2.27)