Noncontrolling Interests (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of Redeemable Interest in Property Partnerships [Table Text Block]

The following table reflects the activity of the noncontrolling interest—redeemable interest in property partnership in the Company’s Fountain Square consolidated joint venture for the years ended December 31, 2015, 2014 and 2013 (in thousands):



Balance at December 31, 2012	$	97,558
Net loss	(1,839		)
Distributions	(4,585		)
Adjustment to reflect redeemable interest at redemption value	8,475
Balance at December 31, 2013	99,609
Net loss	(603		)
Distributions	(6,000		)
Adjustment to reflect redeemable interest at redemption value	11,686
Balance at December 31, 2014	104,692
Net loss	(7		)
Distributions	(2,900		)
Adjustment to reflect redeemable interest at redemption value	5,128
Acquisition of interest	(106,913		)
Balance at December 31, 2015	$	—

Schedule Of Noncontrolling Interest Property Partnerships [Table Text Block]

The following table reflects the activity of the noncontrolling interests—property partnerships for the years ended December 31, 2015, 2014 and 2013 (in thousands):



Balance at December 31, 2012	$	(1,964	)
Fair value of capital recorded upon consolidation	480,861
Capital contributions	257,564
Net loss	(5,290		)
Distributions	(5,039		)
Balance at December 31, 2013	726,132
Capital contributions	887,975
Net income	19,478
Distributions	(31,118		)
Balance at December 31, 2014	1,602,467
Capital contributions	3,758
Dissolution	(4,082		)
Net income	144,734
Accumulated other comprehensive loss	(2,428		)
Distributions	(170,049		)
Balance at December 31, 2015	$	1,574,400

Boston Properties, Inc. [Member]

Entity Information [Line Items]

Schedule Of Redeemable Preferred Units of the Operating Partnership

The following table reflects the activity of the noncontrolling interests—redeemable preferred units of Boston Properties, Inc. for the years ended December 31, 2015, 2014 and 2013 (in thousands):



Balance at December 31, 2012	$	110,876
Net income	6,046
Distributions	(6,046		)
Redemption of redeemable preferred units (Series Four Preferred Units)	(43,070		)
Conversion of redeemable preferred units (Series Two Preferred Units) to common units	(16,494		)
Balance at December 31, 2013	51,312
Net income	1,023
Distributions	(1,023		)
Redemption of redeemable preferred units (Series Four Preferred Units)	(17,373		)
Conversion of redeemable preferred units (Series Two Preferred Units) to common units	(33,306		)
Balance at December 31, 2014	633
Net income	6
Distributions	(6		)
Redemption of redeemable preferred units (Series Four Preferred Units)	(633		)
Balance at December 31, 2015	$	—

Boston Properties Limited Partnership [Member]

Entity Information [Line Items]

Schedule Of Redeemable Preferred Units of the Operating Partnership

The following table reflects the activity of the noncontrolling interests—redeemable preferred units of Boston Properties Limited Partnership for the years ended December 31, 2015, 2014 and 2013 (in thousands):



Balance at December 31, 2012	$	199,378
Net income	6,046
Distributions	(6,046		)
Redemption of redeemable preferred units (Series Four Preferred Units)	(43,070		)
Reallocation of partnership interest (1)	(50,562		)
Balance at December 31, 2013	105,746
Net income	1,023
Distributions	(1,023		)
Redemption of redeemable preferred units (Series Four Preferred Units)	(17,373		)
Reallocation of partnership interest (1)	(87,740		)
Balance at December 31, 2014	633
Net income	6
Distributions	(6		)
Redemption of redeemable preferred units (Series Four Preferred Units)	(633		)
Balance at December 31, 2015	$	—

Schedule Of Noncontrolling Interest Common Units [Table Text Block]

The following table reflects the activity of noncontrolling interests—redeemable common units of Boston Properties Limited Partnership for the years ended December 31, 2015, 2014 and 2013 (in thousands):



Balance at December 31, 2012	$	1,836,522
Contributions	26,398
Net income	84,236
Distributions	(83,448		)
Conversion of redeemable partnership units	(30,291		)
Unearned compensation	1,472
Other comprehensive income	252
Adjustment to reflect redeemable partnership units at redemption value	(124,923		)
Balance at December 31, 2013	1,710,218
Contributions	23,990
Net income	50,862
Distributions	(126,948		)
Conversion of redeemable partnership units	(2,700		)
Unearned compensation	(2,813		)
Other comprehensive income	256
Adjustment to reflect redeemable partnership units at redemption value	657,181
Balance at December 31, 2014	2,310,046
Contributions	39,030
Net income	66,951
Distributions	(69,447		)
Conversion of redeemable partnership units	(14,343		)
Unearned compensation	(4,579		)
Other comprehensive loss	(554		)
Adjustment to reflect redeemable partnership units at redemption value	(40,415		)
Balance at December 31, 2015	$	2,286,689