XML 47 R32.htm IDEA: XBRL DOCUMENT v3.10.0.1
Real Estate Properties Table (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]    
Land $ 5,108,491 $ 5,080,679
Land held for future development [1] 205,096 204,925
Buildings and improvements 12,949,543 12,284,164
Tenant improvements 2,322,552 2,219,608
Furniture, fixtures and equipment 44,696 37,928
Construction in progress 1,057,261 1,269,338
Total 21,687,639 21,096,642
Accumulated depreciation (4,838,496) (4,589,634)
Total real estate 16,849,143 16,507,008
Boston Properties Limited Partnership    
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]    
Land 5,005,507 4,976,303
Land held for future development [1] 205,096 204,925
Buildings and improvements 12,646,614 11,977,062
Tenant improvements 2,322,552 2,219,608
Furniture, fixtures and equipment 44,696 37,928
Construction in progress 1,057,261 1,269,338
Total 21,281,726 20,685,164
Accumulated depreciation (4,741,280) (4,496,959)
Total real estate $ 16,540,446 $ 16,188,205
[1] Includes pre-development costs.