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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, 2018 | Mar. 31, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net income attributable to the Company's common shareholders / unitholders | $ 176,021 | $ 97,083
Preferred Stock Dividends / Distributions | (2,625) | (2,625)
Noncontrolling interest-common units of the Operating Partnership | (20,432) | (11,432)
Noncontrolling interest in property partnerships | (17,234) | (4,424)
Interest expense | (90,220) | (95,534)
Losses (gains) from investments in securities | (126) | 1,042
Depreciation and amortization expense | (165,797) | (159,205)
Transaction costs | (21) | (34)
Payroll and related costs from management services contracts | (2,885) | 0
General and administrative expense | (35,894) | (31,386)
Interest and other income | (1,648) | (614)
Income from unconsolidated joint ventures | (461) | (3,084)
Direct reimbursements of payroll and related costs from management services contracts | (2,885) | 0
Development and management services income | (8,405) | (6,472)
Business Intersegment, Eliminations [Member] |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net income attributable to the Company's common shareholders / unitholders | 176,021 | 97,083
Preferred Stock Dividends / Distributions | 2,625 | 2,625
Noncontrolling interest-common units of the Operating Partnership | 20,432 | 11,432
Noncontrolling interest in property partnerships | 17,234 | 4,424
Interest expense | 90,220 | 95,534
Losses (gains) from investments in securities | 126 | (1,042)
Depreciation and amortization expense | 165,797 | 159,205
Transaction costs | 21 | 34
Payroll and related costs from management services contracts | 2,885 | 0
General and administrative expense | 35,894 | 31,386
Gains on sales of real estate | 96,397 | 133
Interest and other income | 1,648 | 614
Income from unconsolidated joint ventures | 461 | 3,084
Direct reimbursements of payroll and related costs from management services contracts | 2,885 | 0
Development and management services income | 8,405 | 6,472
Net Operating Income | 401,459 | 390,378
Boston Properties Limited Partnership |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net income attributable to the Company's common shareholders / unitholders | 200,907 | 110,662
Preferred Stock Dividends / Distributions | (2,625) | (2,625)
Noncontrolling interest in property partnerships | (17,234) | (4,424)
Interest expense | (90,220) | (95,534)
Losses (gains) from investments in securities | (126) | 1,042
Depreciation and amortization expense | (163,853) | (157,058)
Transaction costs | (21) | (34)
Payroll and related costs from management services contracts | (2,885) | 0
General and administrative expense | (35,894) | (31,386)
Interest and other income | (1,648) | (614)
Income from unconsolidated joint ventures | (461) | (3,084)
Direct reimbursements of payroll and related costs from management services contracts | (2,885) | 0
Development and management services income | (8,405) | (6,472)
Boston Properties Limited Partnership | Business Intersegment, Eliminations [Member] |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net income attributable to the Company's common shareholders / unitholders | 200,907 | 110,662
Preferred Stock Dividends / Distributions | 2,625 | 2,625
Noncontrolling interest in property partnerships | 17,234 | 4,424
Interest expense | 90,220 | 95,534
Losses (gains) from investments in securities | 126 | (1,042)
Depreciation and amortization expense | 163,853 | 157,058
Transaction costs | 21 | 34
Payroll and related costs from management services contracts | 2,885 | 0
General and administrative expense | 35,894 | 31,386
Gains on sales of real estate | 98,907 | 133
Interest and other income | 1,648 | 614
Income from unconsolidated joint ventures | 461 | 3,084
Direct reimbursements of payroll and related costs from management services contracts | 2,885 | 0
Development and management services income | 8,405 | 6,472
Net Operating Income | $ 401,459 | $ 390,378

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