Intangibles

9 Months Ended

Sep. 30, 2012

Intangibles

Intangibles

(9)Intangibles

At September 30, 2012 and December 31, 2011, intangible lease assets, comprised of lease-up intangibles, above market tenant lease intangibles and below market ground lease intangibles, were $607.6 million and $571.5 million, respectively. At September 30, 2012 and December 31, 2011, the accumulated amortization of intangible assets was $225.3 million and $199.1 million, respectively.

At September 30, 2012 and December 31, 2011, intangible lease liabilities, comprised of below market lease intangibles and above market ground lease intangible liabilities were $194.0 million and $208.2 million, respectively. At September 30, 2012 and December 31, 2011, the accumulated amortization of intangible liabilities was $88.8 million and $90.4 million, respectively.