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Earnings Per Share / Common Unit (Tables) | 12 Months Ended
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Dec. 31, 2022
Entity Information [Line Items] |
Computation Of Basic And Diluted Earnings Per Share / Unit |
| Year ended December 31, 2022
| Income (Numerator) |  | Shares (Denominator) |  | Per Share Amount
| (in thousands, except for per share amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 848,947 |  |  | 156,726 |  |  | $ | 5.42 |
Allocation of undistributed earnings to participating securities | (891) |  |  | — |  |  | (0.01) |
Net income attributable to Boston Properties, Inc. common shareholders | 848,056 |  |  | 156,726 |  |  | 5.41 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 411 |  |  | (0.01) |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 848,056 |  |  | 157,137 |  |  | $ | 5.40 |
| Year ended December 31, 2021
| Income (Numerator) |  | Shares (Denominator) |  | Per Share Amount
| (in thousands, except for per share amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 496,223 |  |  | 156,116 |  |  | $ | 3.18 |
Allocation of undistributed earnings to participating securities | — |  |  | — |  |  | — |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 496,223 |  |  | 156,116 |  |  | $ | 3.18 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 260 |  |  | (0.01) |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 496,223 |  |  | 156,376 |  |  | $ | 3.17 |
| Year ended December 31, 2020
| Income (Numerator) |  | Shares (Denominator) |  | Per Share Amount
| (in thousands, except for per share amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 862,227 |  |  | 155,432 |  |  | $ | 5.55 |
Allocation of undistributed earnings to participating securities | (748) |  |  | — |  |  | (0.01) |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 861,479 |  |  | 155,432 |  |  | $ | 5.54 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 85 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 861,479 |  |  | 155,517 |  |  | $ | 5.54 |
Boston Properties Limited Partnership |
Entity Information [Line Items] |
Computation Of Basic And Diluted Earnings Per Share / Unit |
| Year ended December 31, 2022
| Income (Numerator) |  | Units (Denominator) |  | Per Unit Amount
| (in thousands, except for per unit amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 957,265 |  |  | 174,360 |  |  | $ | 5.49 |
Allocation of undistributed earnings to participating securities | (991) |  |  | — |  |  | (0.01) |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 956,274 |  |  | 174,360 |  |  | $ | 5.48 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 411 |  |  | (0.01) |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 956,274 |  |  | 174,771 |  |  | $ | 5.47 |
| Year ended December 31, 2021
| Income (Numerator) |  | Units (Denominator) |  | Per Unit Amount
| (in thousands, except for per unit amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 561,993 |  |  | 173,150 |  |  | $ | 3.25 |
Allocation of undistributed earnings to participating securities | — |  |  | — |  |  | — |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 561,993 |  |  | 173,150 |  |  | $ | 3.25 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 260 |  |  | (0.01) |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 561,993 |  |  | 173,410 |  |  | $ | 3.24 |
| Year ended December 31, 2020
| Income (Numerator) |  | Units (Denominator) |  | Per Unit Amount
| (in thousands, except for per unit amounts)
Basic Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 979,979 |  |  | 172,643 |  |  | $ | 5.68 |
Allocation of undistributed earnings to participating securities | (830) |  |  | — |  |  | (0.01) |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 979,149 |  |  | 172,643 |  |  | $ | 5.67 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 85 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 979,149 |  |  | 172,728 |  |  | $ | 5.67 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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