Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income		$ 562,481	$ 569,977	$ 799,918
Other comprehensive loss:
Effective portion of interest rate contracts		(6,133)	(47,144)	(10,302)
Amortization of interest rate contracts	[1]	6,033	3,751	2,510
Other comprehensive loss		(100)	(43,393)	(7,792)
Comprehensive Income		562,381	526,584	792,126
Comprehensive income attributable to noncontrolling interests		(100,042)	(57,192)	(216,812)
Other comprehensive income (loss) attributable to noncontrolling interests		1,922	5,256	2,982
Comprehensive income attributable to the Company		464,261	474,648	578,296
Boston Properties Limited Partnership
Net income		571,198	583,773	809,109
Other comprehensive loss:
Effective portion of interest rate contracts		(6,133)	(47,144)	(10,302)
Amortization of interest rate contracts	[2]	6,033	3,751	2,510
Other comprehensive loss		(100)	(43,393)	(7,792)
Comprehensive Income		571,098	540,380	801,317
Comprehensive income attributable to noncontrolling interests		(45,704)	2,945	(147,433)
Other comprehensive income (loss) attributable to noncontrolling interests		2,128	877	2,428
Comprehensive income attributable to the Company		$ 525,394	$ 543,325	$ 653,884

[1] Amounts reclassified from comprehensive income primarily to interest expense within Boston Properties, Inc.’s Consolidated Statements of Operations

[2] Amounts reclassified from comprehensive income primarily to interest expense within Boston Properties Limited Partnership's Consolidated Statements of Operations.