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v3.19.1

Leases Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Jan. 01, 2019 | Dec. 31, 2018
Cumulative effect of a change in accounting principle | $ 4,379 | $ (5,496) |  |
Right of use assets - operating leases | 151,166 |  | $ 151,800 | $ 0
Lease liabilities - operating leases | 199,653 |  | $ 199,300 | 0
Boston Properties Limited Partnership |  |  |  |
Right of use assets - operating leases | 151,166 |  |  | 0
Lease liabilities - operating leases | 199,653 |  |  | $ 0
Dividends In Excess Of Earnings [Member] |  |  |  |
Cumulative effect of a change in accounting principle | 3,864 | (4,933) |  |
Dividends In Excess Of Earnings [Member] | Boston Properties Limited Partnership |  |  |  |
Cumulative effect of a change in accounting principle | 3,900 |  |  |
Noncontrolling Interests - Common units [Member] |  |  |  |
Cumulative effect of a change in accounting principle | 445 | $ (563) |  |
Noncontrolling Interests - Common units [Member] | Boston Properties Limited Partnership |  |  |  |
Cumulative effect of a change in accounting principle | 400 |  |  |
Noncontrolling interest - property partnerships [Member] |  |  |  |
Cumulative effect of a change in accounting principle | 70 |  |  |
Noncontrolling interest - property partnerships [Member] | Boston Properties Limited Partnership |  |  |  |
Cumulative effect of a change in accounting principle | $ (70) |  |  |

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