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Segment Information (Schedule Of Reconciliation Of Net Operating Income To Net Income) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net Operating Income | $ 250,353 | $ 206,209
Development and management services income | 6,689 | 5,328
Income from unconsolidated joint ventures | 1,791 | 14,834
Interest and other income | 1,505 | 1,407
Gains from investments in securities | 259 | 393
General and administrative expense | 29,353 | 28,791
Transaction costs | 25 | 327
Depreciation and amortization expense | 159,448 | 154,223
Interest expense | 105,309 | 108,757
Noncontrolling interest in property partnerships | 10,464 | 15,208
Noncontrolling interest-redeemable preferred units | 0 | 3
Noncontrolling interest-common units of the Operating Partnership | 21,393 | 20,188
Preferred dividends / distributions | 2,618 | 2,589
Net income attributable to the Company's common shareholders / unitholders | 181,747 | 171,182
Business Intersegment, Eliminations [Member] |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net Operating Income | 432,490 | 384,222
Development and management services income | 6,689 | 5,328
Income from unconsolidated joint ventures | 1,791 | 14,834
Interest and other income | 1,505 | 1,407
Gains from investments in securities | 259 | 393
Gains on sales of real estate | 67,623 | 95,084
General and administrative expense | 29,353 | 28,791
Transaction costs | 25 | 327
Depreciation and amortization expense | 159,448 | 154,223
Interest expense | 105,309 | 108,757
Noncontrolling interest in property partnerships | 10,464 | 15,208
Noncontrolling interest-redeemable preferred units | 0 | 3
Noncontrolling interest-common units of the Operating Partnership | 21,393 | 20,188
Preferred dividends / distributions | 2,618 | 2,589
Net income attributable to the Company's common shareholders / unitholders | 181,747 | 171,182
Boston Properties Limited Partnership |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net Operating Income | 252,340 | 208,208
Development and management services income | 6,689 | 5,328
Income from unconsolidated joint ventures | 1,791 | 14,834
Interest and other income | 1,505 | 1,407
Gains from investments in securities | 259 | 393
General and administrative expense | 29,353 | 28,791
Transaction costs | 25 | 327
Depreciation and amortization expense | 157,461 | 152,224
Interest expense | 105,309 | 108,757
Noncontrolling interest in property partnerships | 10,464 | 15,208
Noncontrolling interest-redeemable preferred units | 0 | 3
Preferred dividends / distributions | 2,618 | 2,589
Net income attributable to the Company's common shareholders / unitholders | 207,296 | 193,369
Boston Properties Limited Partnership | Business Intersegment, Eliminations [Member] |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net Operating Income | 432,490 | 384,222
Development and management services income | 6,689 | 5,328
Income from unconsolidated joint ventures | 1,791 | 14,834
Interest and other income | 1,505 | 1,407
Gains from investments in securities | 259 | 393
Gains on sales of real estate | 69,792 | 95,084
General and administrative expense | 29,353 | 28,791
Transaction costs | 25 | 327
Depreciation and amortization expense | 157,461 | 152,224
Interest expense | 105,309 | 108,757
Noncontrolling interest in property partnerships | 10,464 | 15,208
Noncontrolling interest-redeemable preferred units | 0 | 3
Preferred dividends / distributions | 2,618 | 2,589
Net income attributable to the Company's common shareholders / unitholders | $ 207,296 | $ 193,369

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- Definition Costs expensed to pursue, purchase, lease or otherwise acquire a property, including costs of lease bonuses and options to purchase or lease properties, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring or pursuing properties. + References No definition available. + Details
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