Capitalized Interest and Real Estate Taxes - Summary of Interest, Real Estate Taxes and Indirect Costs Related to Inactive Projects (Detail) (Real Estate Inactive Projects [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Real Estate Inactive Projects [Member]
Real Estate Properties [Line Items]
Interest incurred and expensed		$ 107	$ 73	$ 1,850
Real estate taxes incurred and expensed		38	47	133
Total production overhead incurred and expensed for inactive projects	61	45	285	153
Interest expense real estate taxes and indirect costs related to inactive projects	61	190	405	2,136
Amounts reclassified to discontinued operations				(154)
Interest, real estate taxes and indirect costs related to inactive projects	$ 61	$ 190	$ 405	$ 1,982