Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net income		$ 712,563	$ 562,481	$ 569,977
Other comprehensive income (loss):
Effective portion of interest rate contracts		(3,096)	(6,133)	(47,144)
Amortization of interest rate contracts	[1]	6,664	6,033	3,751
Other comprehensive income (loss)		3,568	(100)	(43,393)
Comprehensive Income		716,131	562,381	526,584
Comprehensive income attributable to noncontrolling interests		(129,716)	(100,042)	(57,192)
Other comprehensive income (loss) attributable to noncontrolling interests		(880)	1,922	5,256
Comprehensive income attributable to the Company		585,535	464,261	474,648
Boston Properties Limited Partnership
Net income		730,312	571,198	583,773
Other comprehensive income (loss):
Effective portion of interest rate contracts		(3,096)	(6,133)	(47,144)
Amortization of interest rate contracts	[2]	6,664	6,033	3,751
Other comprehensive income (loss)		3,568	(100)	(43,393)
Comprehensive Income		733,880	571,098	540,380
Comprehensive income attributable to noncontrolling interests		(63,485)	(45,704)	2,945
Comprehensive income attributable to the Company		$ 670,395	$ 525,394	$ 543,325

[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.