Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 506,761		$ 134,174		$ 564,692		$ 190,009
Other comprehensive income:
Amortization of interest rate contracts	627	[1]	648	[1]	1,255	[1]	1,297	[1]
Other Comprehensive Income	627		648		1,255		1,297
Comprehensive income	507,388		134,822		565,947		191,306
Net income attributable to noncontrolling interests	(51,726)		(15,615)		(61,835)		(23,038)
Other comprehensive income attributable to noncontrolling interest	(63)		(68)		(127)		(137)
Comprehensive income attributable to Boston Properties, Inc.	$ 455,599		$ 119,139		$ 503,985		$ 168,131

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