Real Estate Real Estate (Tables)

3 Months Ended

Mar. 31, 2018

Entity Information [Line Items]

Schedule of Real Estate Properties [Table Text Block]

Boston Properties, Inc.

Real estate consisted of the following at March 31, 2018 and December 31, 2017 (in thousands):

	March 31, 2018			December 31, 2017
Land	$	5,105,376		$	5,080,679
Land held for future development (1)	204,506			204,925
Buildings and improvements	12,435,573			12,284,164
Tenant improvements	2,266,796			2,219,608
Furniture, fixtures and equipment	41,507			37,928
Construction in progress	1,262,886			1,269,338
Total	21,316,644			21,096,642
Less: Accumulated depreciation	(4,674,838		)	(4,589,634		)
	$	16,641,806		$	16,507,008

_______________

(1) Includes pre-development costs.

Boston Properties Limited Partnership

Entity Information [Line Items]

Schedule of Real Estate Properties [Table Text Block]

Boston Properties Limited Partnership

Real estate consisted of the following at March 31, 2018 and December 31, 2017 (in thousands):

	March 31, 2018			December 31, 2017
Land	$	5,001,810		$	4,976,303
Land held for future development (1)	204,506			204,925
Buildings and improvements	12,130,901			11,977,062
Tenant improvements	2,266,796			2,219,608
Furniture, fixtures and equipment	41,507			37,928
Construction in progress	1,262,886			1,269,338
Total	20,908,406			20,685,164
Less: Accumulated depreciation	(4,580,949		)	(4,496,959		)
	$	16,327,457		$	16,188,205

_______________

(1) Includes pre-development costs.