Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2013

Designated as Hedging Instrument [Member]

Interest Rate Derivatives Designated and Non Designated

The table below presents information about the Trust’s interest rate caps and interest rate swaps that are included on the consolidated balance sheet that were designated as cash flow hedges of interest rate risk at September 30, 2013 (in thousands):

Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value of Hedge in Other Comprehensive Income			Unrealized (Loss) Gain on Hedge in Other Comprehensive Income			Change in Hedge Valuations Included in Other Comprehensive Income for the Three Months Ended September 30, 2013			Change in Hedge Valuations Included in Other Comprehensive Income for the Nine Months Ended September 30, 2013
Aug 2014		0.50	%	$	13,197	$	22	$	1		$	—		$	(3	)	$	(4	)
May 2016		0.50	%	$	42,922	$	—	$	(15	)	$	(15	)	$	(147	)	$	(15	)

The table below presents information about the Trust’s interest rate caps that were not designated as cash flow hedges at September 30, 2013 (in thousands):

Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value		Change in Cap Valuations Included in Interest Expense for the Three Months Ended September 30, 2013		Change in Cap Valuations Included in Interest Expense for the Nine Months Ended September 30, 2013
May 2013		1.25	%	$	—	$	196	$	—	$	—	$	—
May 2014		1.75	%		51,982		434		—		—		—
Oct 2014		1.00	%		5,753		174		—		1		1

Not Designated as Hedging Instrument [Member]

Interest Rate Derivatives Designated and Non Designated

The table below presents information about the Trust’s interest rate caps and interest rate swaps that are included on the consolidated balance sheet that were designated as cash flow hedges of interest rate risk at September 30, 2012 (in thousands):

Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value of Hedge in Other Comprehensive Income			Unrealized Gain on Hedge in Other Comprehensive Income		Change in Hedge Valuations Included in Other Comprehensive Income for the Three Months Ended September 30, 2012			Change in Hedge Valuations Included in Other Comprehensive Income for the Nine Months Ended September 30, 2012
Aug 2014		0.50	%	$	13,478	$	22	$	—		$	—	$	—		$	—
Oct 2014		1.00	%	$	21,000	$	174	$	(165	)	$	—	$	(17	)	$	(77	)

The table below presents information about the Trust’s interest rate caps that were not designated as cash flow hedges at September 30, 2012 (in thousands):

Maturity	Strike Rate			Notional Amount of Hedge		Cost of Hedge		Estimated Fair Value		Change in Cap Valuations Included in Interest Expense for the Three Months Ended September 30, 2012		Change in Cap Valuations Included in Interest Expense for the Nine Months Ended September 30, 2012
May 2013		1.25	%	$	51,982	$	196	$	—	$	—	$	18
May 2014		1.75	%		51,982		434		1		5		46