XML 44 R27.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Earnings Per Share / Common Unit (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2018
Entity Information [Line Items] |
Computation Of Basic And Diluted Earnings Per Share |
| Three months ended June 30, 2018
| 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 | $ | 128,681 |  |  | 154,415 |  |  | $ | 0.83 |
Allocation of undistributed earnings to participating securities | (16 | ) |  | — |  |  | — |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 128,665 |  |  | 154,415 |  |  | $ | 0.83 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 156 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 128,665 |  |  | 154,571 |  |  | $ | 0.83 |
| Three months ended June 30, 2017
| 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 | $ | 133,709 |  |  | 154,177 |  |  | $ | 0.87 |
Allocation of undistributed earnings to participating securities | (43 | ) |  | — |  |  | — |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 133,666 |  |  | 154,177 |  |  | $ | 0.87 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 154 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 133,666 |  |  | 154,331 |  |  | $ | 0.87 |
| Six months ended June 30, 2018
| 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 | $ | 304,682 |  |  | 154,400 |  |  | $ | 1.97 |
Allocation of undistributed earnings to participating securities | (142 | ) |  | — |  |  | — |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 304,540 |  |  | 154,400 |  |  | $ | 1.97 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 238 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 304,540 |  |  | 154,638 |  |  | $ | 1.97 |
| Six months ended June 30, 2017
| 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 | $ | 230,764 |  |  | 154,019 |  |  | $ | 1.50 |
Allocation of undistributed earnings to participating securities | (9 | ) |  | — |  |  | — |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 230,755 |  |  | 154,019 |  |  | $ | 1.50 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 254 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties, Inc. common shareholders | $ | 230,755 |  |  | 154,273 |  |  | $ | 1.50 |
Boston Properties Limited Partnership |
Entity Information [Line Items] |
Computation Of Basic And Diluted Earnings Per Share |
| Three months ended June 30, 2018
| 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 | $ | 145,961 |  |  | 171,916 |  |  | $ | 0.85 |
Allocation of undistributed earnings to participating securities | (18 | ) |  | — |  |  | — |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 145,943 |  |  | 171,916 |  |  | $ | 0.85 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 156 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 145,943 |  |  | 172,072 |  |  | $ | 0.85 |
| Three months ended June 30, 2017
| 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 | $ | 151,844 |  |  | 171,675 |  |  | $ | 0.88 |
Allocation of undistributed earnings to participating securities | (48 | ) |  | — |  |  | — |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 151,796 |  |  | 171,675 |  |  | $ | 0.88 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 154 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 151,796 |  |  | 171,829 |  |  | $ | 0.88 |
| Six months ended June 30, 2018
| 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 | $ | 346,868 |  |  | 171,892 |  |  | $ | 2.02 |
Allocation of undistributed earnings to participating securities | (158 | ) |  | — |  |  | — |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 346,710 |  |  | 171,892 |  |  | $ | 2.02 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 238 |  |  | (0.01 | )
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 346,710 |  |  | 172,130 |  |  | $ | 2.01 |
| Six months ended June 30, 2017
| 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 | $ | 262,506 |  |  | 171,628 |  |  | $ | 1.53 |
Allocation of undistributed earnings to participating securities | (10 | ) |  | — |  |  | — |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 262,496 |  |  | 171,628 |  |  | $ | 1.53 |
Effect of Dilutive Securities: |  |  |  |  |
Stock Based Compensation | — |  |  | 254 |  |  | — |
Diluted Earnings: |  |  |  |  |
Net income attributable to Boston Properties Limited Partnership common unitholders | $ | 262,496 |  |  | 171,882 |  |  | $ | 1.53 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | dei_EntityInformationLineItems
Namespace Prefix: | dei_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ConsolidatedEntitiesAxis=us-gaap_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |