Related Party Transactions (Tables)

6 Months Ended

Jun. 30, 2013

Related Party Transactions [Abstract]

Schedule of Fees Earned from Related Parties

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2013		2012		2013		2012
Management fees	$	2,170	$	2,725	$	4,626	$	5,455
Leasing fees	568		940		1,122		2,234
Construction and development fees	1,510		912		2,577		1,755