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v3.23.1

Segment Information (Schedule Of Reconciliation Of Net Operating Income To Net Income) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net income attributable to the company's common shareholders / unitholders | $ 77,890 | $ 143,047
Noncontrolling interest-common units of the Operating Partnership | (9,078) | (16,361)
Noncontrolling interest in property partnerships | (18,660) | (17,549)
Interest expense | (134,207) | (101,228)
Company's share of net operating income from joint ventures | (491,006) | (469,316)
Depreciation and amortization expense | (208,734) | (177,624)
Transaction costs | (911) | 0
General and administrative expense | (55,802) | (43,194)
Unrealized Gain (Loss) on Investments | (259) | 0
Gains (losses) from investments in securities | (1,665) | 2,262
Interest and other income (loss) | (10,941) | (1,228)
Gains on sales of real estate | 0 | (22,701)
Income (loss) from unconsolidated joint ventures | 7,569 | (2,189)
Segment Reconciling Items |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net income attributable to the company's common shareholders / unitholders | 77,890 | 143,047
Noncontrolling interest-common units of the Operating Partnership | 9,078 | 16,361
Noncontrolling interest in property partnerships | 18,660 | 17,549
Interest expense | 134,207 | 101,228
Depreciation and amortization expense | 208,734 | 177,624
Transaction costs | 911 | 0
Operating expense | 5,235 | 4,065
General and administrative expense | 55,802 | 43,194
Gains (losses) from investments in securities | 1,665 | (2,262)
Interest and other income (loss) | 10,941 | 1,228
Gains on sales of real estate | 0 | 22,701
Income (loss) from unconsolidated joint ventures | (7,569) | 2,189
Other revenue | 5,235 | 4,065
Company's share of Net Operating Income | 484,665 | 459,582
Unconsolidated Joint Ventures [Member] |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Interest expense | (57,250) | (30,373)
Losses from early extinguishment of debt | 0 | 1,327
Depreciation and amortization expense | (49,978) | (44,664)
Transaction costs | (74) | 0
Income (loss) from unconsolidated joint ventures | 7,569 | (2,189)
Unconsolidated Joint Ventures [Member] | Segment Reconciling Items |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Company's share of net operating income from joint ventures | 40,756 | 37,321
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 | 88,830 | 161,829
Noncontrolling interest in property partnerships | (18,660) | (17,549)
Interest expense | (134,207) | (101,228)
Depreciation and amortization expense | (206,872) | (175,886)
Transaction costs | (911) | 0
General and administrative expense | (55,802) | (43,194)
Unrealized Gain (Loss) on Investments | (259) | 0
Gains (losses) from investments in securities | (1,665) | 2,262
Interest and other income (loss) | (10,941) | (1,228)
Gains on sales of real estate | 0 | (23,384)
Income (loss) from unconsolidated joint ventures | 7,569 | (2,189)
Boston Properties Limited Partnership | Segment Reconciling Items |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Net income attributable to the company's common shareholders / unitholders | 88,830 | 161,829
Noncontrolling interest in property partnerships | 18,660 | 17,549
Interest expense | 134,207 | 101,228
Depreciation and amortization expense | 206,872 | 175,886
Transaction costs | 911 | 0
Operating expense | 5,235 | 4,065
General and administrative expense | 55,802 | 43,194
Gains (losses) from investments in securities | 1,665 | (2,262)
Interest and other income (loss) | 10,941 | 1,228
Gains on sales of real estate | 0 | 23,384
Other revenue | 5,235 | 4,065
Company's share of Net Operating Income | 484,665 | 459,582
Management Service [Member] |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Other revenue | (8,980) | (5,831)
Management Service [Member] | Segment Reconciling Items |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Other revenue | 8,980 | 5,831
Management Service [Member] | Boston Properties Limited Partnership |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Other revenue | (8,980) | (5,831)
Management Service [Member] | Boston Properties Limited Partnership | Segment Reconciling Items |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Other revenue | 8,980 | 5,831
Noncontrolling interest - property partnerships [Member] |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Company's share of net operating income from joint ventures | 47,097 | 47,055
Noncontrolling interest - property partnerships [Member] | Segment Reconciling Items |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Company's share of net operating income from joint ventures | 47,097 | 47,055
Unrealized Gain (Loss) on Investments | 259 | 0
Noncontrolling interest - property partnerships [Member] | Boston Properties Limited Partnership | Segment Reconciling Items |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Company's share of net operating income from joint ventures | 47,097 | 47,055
Unrealized Gain (Loss) on Investments | 259 | 0
Income (loss) from unconsolidated joint ventures | $ (7,569) | $ 2,189

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