Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 209,170		$ 67,756
Other comprehensive income (loss):
Effective portion of interest rate contracts	(3,533)		0
Amortization of interest rate contracts	627	[1],[2]	629	[1],[2]
Other comprehensive income (loss)	(2,906)		629
Comprehensive income	206,264		68,385
Net income attributable to noncontrolling interests	(35,399)		(11,133)
Other comprehensive income (loss) attributable to noncontrolling interests	303		(62)
Comprehensive income attributable to Boston Properties, Inc.	$ 171,168		$ 57,190

[1] Amounts reclassified from comprehensive income primarily to interest expense within the Company's Consolidated Statements of Operations.

[2] (1) Consists of amounts from previous interest rate hedging programs.