Real Estate (Tables)

12 Months Ended

Dec. 31, 2017

Real Estate Properties [Line Items]

Schedule of Property Subject to or Available for Operating Lease

Boston Properties, Inc.

Real estate consisted of the following at December 31, 2017 and December 31, 2016 (in thousands):

	2017			2016
Land	$	5,080,679		$	4,879,020
Land held for future development (1)	204,925			246,656
Buildings and improvements	12,284,164			11,890,626
Tenant improvements	2,219,608			2,060,315
Furniture, fixtures and equipment	37,928			32,687
Construction in progress	1,269,338			1,037,959
Total	21,096,642			20,147,263
Less: Accumulated depreciation	(4,589,634		)	(4,222,235		)
	$	16,507,008		$	15,925,028

_______________

(1) Includes pre-development costs.

Boston Properties Limited Partnership

Real estate consisted of the following at December 31, 2017 and December 31, 2016 (in thousands):

	2017			2016
Land	$	4,976,303		$	4,774,460
Land held for future development (1)	204,925			246,656
Buildings and improvements	11,977,062			11,581,795
Tenant improvements	2,219,608			2,060,315
Furniture, fixtures and equipment	37,928			32,687
Construction in progress	1,269,338			1,037,959
Total	20,685,164			19,733,872
Less: Accumulated depreciation	(4,496,959		)	(4,136,364		)
	$	16,188,205		$	15,597,508

_______________

(1) Includes pre-development costs.

103 Carnegie Center [Member]

Real Estate Properties [Line Items]

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Land	$	2,890
Building and improvements	11,229
Tenant improvements	871
In-place lease intangibles	2,389
Below-market lease intangible	(1,426		)
Net assets acquired	$	15,953

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

	Acquired In-Place Lease Intangibles		Acquired Below- Market Lease Intangibles
Period from May 15, 2017 through December 31, 2017	$	660	$	(248	)
2018	590		(363		)
2019	367		(337		)
2020	243		(308		)
2021	96		(105		)

MacArthur Station Residences

Real Estate Properties [Line Items]

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

Period from June 29, 2017 through December 31, 2017	$	5
2018	10
2019	10
2020	10
2021	13
Thereafter	38,778
Total expected minimum lease payments	38,826
Interest portion	(9,864		)
Present value of expected net minimum lease payments	$	28,962