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Real Estate (Tables)
9 Months Ended
Sep. 30, 2020
Real Estate Properties [Line Items]  
Schedule of Real Estate Properties
Boston Properties, Inc.
Real estate consisted of the following at September 30, 2020 and December 31, 2019 (in thousands):
September 30, 2020December 31, 2019
Land$5,069,206 $5,111,606 
Right of use assets - finance leases237,382 237,394 
Right of use assets - operating leases146,973 148,640 
Land held for future development (1)446,392 254,828 
Buildings and improvements13,748,127 13,646,054 
Tenant improvements2,687,911 2,656,439 
Furniture, fixtures and equipment49,209 44,313 
Construction in progress769,846 789,736 
Total23,155,046 22,889,010 
Less: Accumulated depreciation(5,413,709)(5,266,798)
$17,741,337 $17,622,212 
_______________
(1)Includes pre-development costs.
Boston Properties Limited Partnership  
Real Estate Properties [Line Items]  
Schedule of Real Estate Properties
Boston Properties Limited Partnership
Real estate consisted of the following at September 30, 2020 and December 31, 2019 (in thousands):
September 30, 2020December 31, 2019
Land$4,971,990 $5,011,153 
Right of use assets - finance leases237,382 237,394 
Right of use assets - operating leases146,973 148,640 
Land held for future development (1)446,392 254,828 
Buildings and improvements13,468,534 13,351,286 
Tenant improvements2,687,911 2,656,439 
Furniture, fixtures and equipment49,209 44,313 
Construction in progress769,846 789,736 
Total22,778,237 22,493,789 
Less: Accumulated depreciation(5,309,930)(5,162,908)
$17,468,307 $17,330,881 
_______________
(1)Includes pre-development costs.