Intangibles Assets and Liabilities (Tables)

9 Months Ended

Sep. 30, 2013

Identified Intangibles, Net [Abstract]

Schedule of Identified Intangible Assets and Liabilities, Net

Intangible assets and liabilities consisted of the following as of September 30, 2013 and December 31, 2012 (in thousands, except weighted average remaining amortization period):

	September 30, 2013				December 31, 2012
	Balance			Weighted Average Remaining Amortization Period in Years	Balance			Weighted Average Remaining Amortization Period in Years	Balance Sheet Classification
Assets:
In place leases	$	197,185		8.7	$	174,615		9.7	Lease intangibles
Tenant relationships	189,616			10.6	178,269			11.6	Lease intangibles
Above market leases	25,878			6.3	25,387			6.9	Other intangibles, net
Below market leasehold interests	29,128			63.9	30,587			69.4	Other intangibles, net
	441,807				408,858
Accumulated amortization	(143,160		)		(125,924		)
Total	$	298,647			$	282,934
Liabilities:
Below market leases	$	13,548		13.0	$	12,823		13.7	Intangible liabilities, net
Above market leasehold interests	3,827			33.3	3,827			34.0	Intangible liabilities, net
	17,375				16,650
Accumulated amortization	(6,113		)		(5,341		)
Total	$	11,262			$	11,309

Summary of Intangible Asset and Liabilties Amortization

The following is a summary of the net intangible amortization for the three and nine months ended September 30, 2013 and 2012 (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
Amortization recorded against rental income related to above or below market leases	$	417	$	470	$	1,298	$	1,185
Rental expense related to above or below market leasehold interests	89		106		278		413
Amortization expense related to in place leases and tenant relationships	9,955		10,705		29,912		32,151