XML 57 R18.htm IDEA: XBRL DOCUMENT v2.3.0.15
Identified Intangible Assets and Liabilities
9 Months Ended
Sep. 30, 2011
Identified Intangible Assets and Liabilities [Abstract] 
Identified Intangible Assets and Intangible Liabilities

9. Identified Intangible Assets and Liabilities

The following summarizes our identified intangible assets (primarily acquired above-market leases) and liabilities (primarily acquired below-market leases) as of September 30, 2011 and December 31, 2010.

 

   Balance as of 
  September 30, December 31, 
 (Amounts in thousands)2011 2010 
 Identified intangible assets:      
 Gross amount$ 690,996 $ 681,270 
 Accumulated amortization  (356,118)   (335,113) 
 Net$ 334,878 $ 346,157 
 Identified intangible liabilities (included in deferred credit):      
 Gross amount$ 861,696 $ 856,689 
 Accumulated amortization  (380,198)   (335,317) 
 Net$ 481,498 $ 521,372 

Amortization of acquired below-market leases, net of acquired above-market leases, resulted in an increase to rental income of $16,100,000 and $16,756,000 for the three months ended September 30, 2011 and 2010, respectively, and $49,387,000 and $48,476,000 for the nine months ended September 30, 2011 and 2010, respectively. Estimated annual amortization of acquired below-market leases, net of acquired above-market leases, for each of the five succeeding years commencing January 1, 2012 is as follows:

 (Amounts in thousands)   
 2012$ 51,092 
 2013  43,174 
 2014  37,419 
 2015  34,673 
 2016  31,281 

Amortization of all other identified intangible assets (a component of depreciation and amortization expense) was $16,059,000 and $15,032,000 for the three months ended September 30, 2011 and 2010, respectively, and $43,782,000 and $45,317,000 for the nine months ended September 30, 2011 and 2010, respectively. Estimated annual amortization of all other identified intangible assets including acquired in-place leases, customer relationships, and third party contracts for each of the five succeeding years commencing January 1, 2012 is as follows:

 (Amounts in thousands)   
 2012$ 47,168 
 2013  39,703 
 2014  21,398 
 2015  16,471 
 2016  13,924 

We are a tenant under ground leases for certain properties. Amortization of these acquired below-market leases, net of above-market leases resulted in an increase to rent expense of $344,000 and $539,000 for the three months ended September 30, 2011 and 2010, respectively, and $1,033,000 and $1,618,000 for the nine months ended September 30, 2011 and 2010, respectively. Estimated annual amortization of these below-market leases, net of above-market leases, for each of the five succeeding years commencing January 1, 2012 is as follows:

 

 (Amounts in thousands)   
 2012$ 1,377 
 2013  1,377 
 2014  1,377 
 2015  1,377 
 2016  1,377