Restricted Stock, Stock Options and Other Stock Plans - Summary of Consolidated Balance Sheets and Statements of Operations Line Items for Stock-Based Compensation Cost (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation cost capitalized	$ 66	$ 102	$ 218	$ 214
Real Estate Inventories - Assets [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation cost capitalized	8	3	25	19
General and Administrative - Expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Share based compensation cost capitalized	$ 58	$ 99	$ 193	$ 195