Intangibles

The following is a summary of our intangibles as of December 31, 2012 and 2011:



	December 31, 2012				December 31, 2011
	Balance			Remaining Weighted Average Amortization Period in Years	Balance			Remaining Weighted Average Amortization Period in Years
	(Dollars in thousands)
Intangible assets:
Above market lease intangibles	$	215,367		9.5	$	210,358		10.1
In-place and other lease intangibles	766,337			23.3	590,500			22.4
Other intangibles	33,378			8.6	16,169			13.5
Accumulated amortization	(352,692		)	N/A	(188,442		)	N/A
Goodwill	490,452			N/A	448,393			N/A
Net intangible assets	$	1,152,842		19.3	$	1,076,978		18.5
Intangible liabilities:
Below market lease intangibles	$	429,907		15.3	$	442,612		15.3
Other lease intangibles	28,966			15.8	27,157			7.9
Accumulated amortization	(78,560		)	N/A	(37,607		)	N/A
Purchase option intangibles	36,048			N/A	112,670			N/A
Net intangible liabilities	$	416,361		15.3	$	544,832		15.2

________

N/A—Not Applicable

Above market lease intangibles and in-place and other lease intangibles are included in acquired lease intangibles within real estate investments on our Consolidated Balance Sheets. Other intangibles (including non-compete agreements and trade names/trademarks) and goodwill are included in other assets on our Consolidated Balance Sheets. Below market lease, other lease and purchase option intangibles are included in accounts payable and other liabilities on our Consolidated Balance Sheets. For the years ended December 31, 2012, 2011 and 2010, our net amortization expense related to these intangibles was $123.3 million, $62.5 million and $6.9 million, respectively. The estimated net amortization expense related to these intangibles for each of the next five years is as follows: 2013—$63.0 million; 2014—$43.1 million; 2015—$31.6 million; 2016—$23.8 million; and 2017—$14.8 million.