Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2012

Related-Party Transactions [Abstract]

Fees and reimbursements paid by the trust

	For the Years Ended
	December 31, 2012		December 31, 2011		December 31, 2010
Base Asset Management Fee (1)	$	8,953	$	7,690	$	5,225
WRP Sub-Management LLC Credit		—		—		(129	)
Property Management Fee		724		537		248
Construction Management Fee		128		1		24
	$	9,805	$	8,228	$	5,368

(1) The base asset management fee attributable to third party equity contributions amounted to $139,000, $49,000 and $10,000 for the years ended December 31, 2012, 2011 and 2010, respectively.