Derivative Instruments And Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2012

Derivative Instruments And Hedging Activities [Abstract]

Schedule Of Notional Values And Fair Values Of Derivative Instruments

	March 31, 2012
			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	$	734,567	Other assets	$	—	Accounts payable and accrued expenses	$	(21,040	)
	December 31, 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	$	761,907	Other assets	$	—	Accounts payable and accrued expenses	$	(24,877	)

Schedule Of Derivative Instruments In Consolidated Statements Of Operations

	Three Months Ended March 31, 2012
	(Gain)/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	$	(625	)	Interest expense	$	3,211	None	$	—
	Three Months Ended March 31, 2011
	(Gain)/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	$	(1,135	)	Interest expense	$	3,405	None	$	—