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Intangibles
12 Months Ended
Dec. 31, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Disclosure [Text Block]
Intangibles

Our intangible assets are in-place leases from acquisitions and capitalized costs in relation to leasing costs. These intangible assets are recorded within Other Assets on the Consolidated Balance Sheets. They are amortized over a seven year amortization period. The gross carrying amount was $35.3 million and $25.3 million at December 31, 2012 and December 31, 2011, respectively. The accumulated amortization is $11.8 million and $10.8 million at December 31, 2012 and December 31, 2011, respectively. Aggregate net amortization expense related to intangible assets was $3.6 million, $2.5 million and $2.5 million for the years ended December 31, 2012, 2011, and 2010, respectively. We anticipate the amortization expense for the existing intangible assets to be $4.3 million, $4.0 million, $3.8 million, $3.6 million and $3.4 million for the next five years.