Debt (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Dec. 31, 2011
Debt Instrument [Line Items]
Total debt	$ 51,703	[1]	$ 53,458
Debt
Debt Instrument [Line Items]
Non-recourse defeased debt	22,274		23,299
Community Development District debt	$ 29,429		$ 30,159

[1] Includes debt defeased in connection with the sale of the Company's office portfolio in the amount of $22.3 million.