Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Net unrealized (loss) gain on interest rate swap	$ (2,502)	[1]	$ 125	[1]	$ (7,383)	[1]	$ 219	[1]
Majority-Owned Subsidiary, Unconsolidated [Member]
Net unrealized (loss) gain on interest rate swap	$ 75	[1]	$ 125	[1]	$ 289	[1]	$ 219	[1]

[1] This amount includes our share of an unconsolidated joint venture's unrealized gains of $75 and $289 for the three and nine months ended September 30, 2012, respectively, and $125 and $219 for the three and nine months ended September 30, 2011, respectively.