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Basis Of Presentation And Summary Of Significant Accounting Policies Revision of Prior Period Amounts for Montvale Center (Details) (USD $)
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3 Months Ended | 0 Months Ended | 3 Months Ended | |||
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Mar. 31, 2013
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Mar. 31, 2012
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Feb. 20, 2013
Montvale Center [Member]
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Mar. 31, 2012
Montvale Center [Member]
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Mar. 31, 2012
As Revised [Member]
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Mar. 31, 2012
As Reported [Member]
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||||
| Total revenue | $ 483,014,000 | $ 443,693,000 | $ 443,693,000 | $ 447,662,000 | ||
| Income from continuing operations | 40,929,000 | 55,265,000 | 55,265,000 | 56,359,000 | ||
| Discontinued Operations | 570,000 | 17,651,000 | ||||
| Net income attributable to Boston Properties, Inc. common shareholders | 47,854,000 | 48,454,000 | 48,454,000 | 64,632,000 | ||
| Income attributable to Boston Properties, Inc. common shareholders per share -basic | $ 0.32 | $ 0.33 | $ 0.33 | $ 0.44 | ||
| Income attributable to Boston Properties, Inc. common shareholders per share -diluted | $ 0.31 | $ 0.33 | $ 0.33 | $ 0.43 | ||
| Amount of debt extinguished | 25,000,000 | |||||
| Gain on forgiveness of debt from discontinued operations | $ 20,182,000 | $ 0 | $ 20,200,000 | |||
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- Definition
Amount of gain (loss), not previously recognized, resulting from the forgiveness of debt pertaining to a real estate property. No definition available.
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Gross amount of debt extinguished. No definition available.
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- Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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