Related Party Transactions (Tables)

9 Months Ended

Sep. 30, 2012

Related Party Transactions [Abstract]

Schedule of Fees Earned from Related Parties

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2012		2011		2012		2011
Management fees	$	2,796	$	2,770	$	8,251	$	7,393
Leasing fees	622		826		2,856		3,627
Construction and development fees	1,860		1,786		3,615		4,182