Annual report pursuant to Section 13 and 15(d)

Intangible Assets on Real Estate Acquisitions

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Intangible Assets on Real Estate Acquisitions
12 Months Ended
Dec. 31, 2011
Intangible Assets on Real Estate Acquisitions.  
Intangible Assets on Real Estate Acquisitions

7. Intangible Assets on Real Estate Acquisitions

        Intangible assets on real estate acquisitions consisted of the following (in thousands):

 
  December 31, 2011   December 31, 2010  
 
  Gross Carrying
Amount
  Accumulated
Amortization
  Net Carrying
Amount
  Gross Carrying
Amount
  Accumulated
Amortization
  Net Carrying
Amount
 

In-place lease value

  $ 151,361   $ 97,594   $ 53,767   $ 162,708   $ 92,380   $ 70,328  

Tenant relationship value

    45,940     23,246     22,694     50,320     21,603     28,717  

Above-market cost arrangements

    12,416     2,857     9,559     12,415     1,387     11,028  

Above-market leases

    10,118     8,037     2,081     10,802     8,193     2,609  

Market concentration premium

    1,333     314     1,019     1,333     280     1,053  
                           

 

  $ 221,168   $ 132,048   $ 89,120   $ 237,578   $ 123,843   $ 113,735  
                           

Amortization of the intangible asset categories set forth above totaled $28.3 million in 2011, $28.3 million in 2010 and $24.1 million in 2009. The approximate weighted average amortization periods of the categories set forth above follow: in-place lease value: seven years; tenant relationship value: eight years; above-market cost arrangements: 26 years; above-market leases: five years; and market concentration premium: 31 years. The approximate weighted average amortization period for all of the categories combined is 12 years. Estimated amortization expense associated with the intangible asset categories set forth above for the next five years is: $18.0 million for 2012; $13.8 million for 2013; $11.5 million for 2014; $9.5 million for 2015 and $8.2 million for 2016.