Derivative Instruments and Hedging Activities (Tables)

6 Months Ended

Jun. 30, 2011

Derivative Instruments and Hedging Activities

Schedule of Notional Values and Fair Values of Derivative Instruments

	September 30, 2011
			Asset derivatives			Liability derivatives
	Notional Value		Balance sheet location		Positive fair value	Balance sheet location		Negative fair value
Derivatives designated as hedging instruments under Topic 815:
Cash flow interest rate contracts	$	786,455	Other assets	$	0	Accounts payable and accrued expenses	$	(25,672	)
	December 31, 2010
			Asset derivatives			Liability derivatives
	Notional Value		Balance sheet location		Positive fair value	Balance sheet location		Negative fair value
Derivatives designated as hedging instruments under Topic 815:
Cash flow interest rate contracts	$	491,807	Other assets	$	0	Accounts payable and accrued expenses	$	(9,259	)

Schedule of Derivative Instruments in Consolidated Statements of Operations

	Three Months Ended September 30, 2011
	Loss recognized in OCI (effectiveness)		Location of loss reclassified from OCI into income		Loss reclassified from OCI into income	Location of loss recognized in OCI (ineffectiveness)		Loss recognized due to ineffectiveness
Cash flow interest rate contracts	$	17,325	Interest expense	$	3,510	None	$	0
	Three Months Ended September 30, 2010
	Loss recognized in OCI (effectiveness)		Location of loss reclassified from OCI into income		Loss reclassified from OCI into income	Location of loss recognized in OCI (ineffectiveness)		Loss recognized due to ineffectiveness
Cash flow interest rate contracts	$	4,495	Interest expense	$	764	None	$	0

	Nine Months Ended September 30, 2011
	Loss recognized in OCI (effectiveness)		Location of loss reclassified from OCI into income		Loss reclassified from OCI into income	Location of loss recognized in OCI (ineffectiveness)		Loss recognized due to ineffectiveness
Cash flow interest rate contracts	$	26,972	Interest expense	$	10,559	None	$	0
	Nine Months Ended September 30, 2010
	Loss recognized in OCI (effectiveness)		Location of loss reclassified from OCI into income		Loss reclassified from OCI into income	Location of loss recognized in OCI (ineffectiveness)		Loss recognized due to ineffectiveness
Cash flow interest rate contracts	$	15,172	Interest expense	$	842	None	$	0