BOSTON PROPERTIES INC | 2013 | FY | 3

Deferred charges consisted of the following at December 31, (in thousands):
 
 
 
2013
 
2012
Leasing costs, including lease related intangibles
 
$
1,183,204

 
$
790,740

Financing costs
 
76,798

 
90,682

 
 
1,260,002

 
881,422

Less: Accumulated amortization
 
(375,552
)
 
(293,187
)
 
 
$
884,450

 
$
588,235


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