Related Party Transactions (Tables)

9 Months Ended

Sep. 30, 2011

Related Party Transactions [Abstract]

Schedule of Fees Earned from Related Parties

	Nine Months Ended September 30,
	2011		2010
Management fees	$	7,393	$	5,850
Leasing fees	3,627		2,143
Construction and development fees	4,182		6,716