INTANGIBLES

The following is a summary of our intangibles as of September 30, 2015 and December 31, 2014:



	September 30, 2015				December 31, 2014
	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	$	154,944		7.1	$	150,474		6.8
In-place and other lease intangibles	1,189,764			20.4	801,776			24.4
Goodwill	1,052,321			N/A	363,971			N/A
Other intangibles	35,932			8.3	36,454			7.9
Accumulated amortization	(615,599		)	N/A	(514,133		)	N/A
Net intangible assets	$	1,817,362		18.8	$	838,542		20.9
Intangible liabilities:
Below market lease intangibles	$	256,081		14.2	$	229,495		14.1
Other lease intangibles	34,160			27.8	32,103			26.1
Accumulated amortization	(108,151		)	N/A	(97,371		)	N/A
Purchase option intangibles	3,568			N/A	13,549			N/A
Net intangible liabilities	$	185,658		15.3	$	177,776		15.1

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, trade names and trademarks) are included in other assets on our Consolidated Balance Sheets. Below market lease intangibles, other lease intangibles and purchase option intangibles are included in accounts payable and other liabilities on our Consolidated Balance Sheets. For the nine months ended September 30, 2015 and 2014, our net amortization expense related to these intangibles was $106.3 million and $53.8 million, respectively. The estimated net amortization expense related to these intangibles for each of the next five years is as follows: 2015—$35.7 million; 2016—$97.6 million; 2017—$51.4 million; 2018—$42.3 million; and 2019—$36.3 million.