XML 59 R33.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Leases (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Lessee, Lease, Description [Line Items] |
Lease, Cost | The following table provides lease cost information for the Company’s operating and finance leases for the years ended December 31, 2021, 2020 and 2019 (in thousands):
|  | Year ended December 31,
Lease costs |  | 2021 |  | 2020 |  | 2019
Operating lease costs |  | $ | 13,151 |  |  | $ | 13,948 |  |  | $ | 14,573 |
Finance lease costs |  |  |  |  |  |
Amortization of right of use asset (1) |  | $ | 547 |  |  | $ | 56 |  |  | $ | 29 |
Interest on lease liabilities (2) |  | $ | 2,471 |  |  | $ | 583 |  |  | $ | 47 |
_______________ (1)The finance leases relate to either land, buildings or assets that remain in development. For land leases classified as finance leases because of a purchase option that the Company views as an economic incentive, the Company follows its existing policy and does not depreciate land because it is assumed to have an indefinite life. For all other finance leases, the Company would amortize the right of use asset over the shorter of the useful life of the asset or the lease term. If the finance lease relates to a property under development, the amortization of the right of use asset may be eligible for capitalization. For assets under development, depreciation may commence once the asset is placed in-service and depreciation would be recognized in accordance with the Company’s policy. (2)Two, three and three of the finance leases relate to assets under development for all or a portion of the years ended December 31, 2021, December 31, 2020 and December 31, 2019, respectively, and as such, a portion of the interest amount was capitalized. The following table provides other quantitative information for the Company’s operating and finance leases as of December 31, 2021 and December 31, 2020:
| December 31, 2021 |  | December 31, 2020
Other information |  |  |
Weighted-average remaining lease term (in years) |  |  |
Operating leases | 50 |  | 51
Finance leases | 69 |  | 70
Weighted-average discount rate |  |  |
Operating leases | 5.7 | % |  | 5.7 | %
Finance leases | 6.2 | % |  | 6.2 | %
Finance Lease, Liability, Maturity | The following table provides a maturity analysis for the Company’s lease liabilities related to its operating and finance leases as of December 31, 2021 (in thousands):
| Operating |  | Finance
2022 | $ | 19,623 |  |  | $ | 8,762 |
2023 | 25,333 |  |  | 10,826 |
2024 (1) | 10,085 |  |  | 48,605 |
2025 | 10,307 |  |  | 9,971 |
2026 | 10,100 |  |  | 10,166 |
Thereafter | 538,801 |  |  | 1,363,011 |
Total lease payments | 614,249 |  |  | 1,451,341 |
Less: Interest portion | (409,688) |  |  | (1,206,920) |
Present value of lease payments | $ | 204,561 |  |  | $ | 244,421 |
_______________ (1)Finance lease payments in 2024 include approximately $38.7 million related to a purchase option that the Company is reasonably certain it will exercise. The following table provides a maturity analysis for the Company’s lease liabilities related to its operating and finance leases as of December 31, 2020 (in thousands):
| Operating |  | Finance
2021 | $ | 25,092 |  |  | $ | 5,896 |
2022 | 18,020 |  |  | 10,206 |
2023 | 10,262 |  |  | 9,701 |
2024 (1) | 9,277 |  |  | 48,518 |
2025 | 9,476 |  |  | 9,971 |
Thereafter | 548,478 |  |  | 1,373,177 |
Total lease payments | 620,605 |  |  | 1,457,469 |
Less: Interest portion | (418,892) |  |  | (1,220,977) |
Present value of lease payments | $ | 201,713 |  |  | $ | 236,492 |
_______________ (1)Finance lease payments in 2024 include approximately $38.7 million related to a purchase option that the Company is reasonably certain it will exercise.
Lessor, Lease, Description [Line Items] |
Operating Lease, Lease Income [Table Text Block] | Lessor The following table summarizes the components of lease revenue recognized during the years ended December 31, 2021, 2020 and 2019 included within the Company's Consolidated Statements of Operations (in thousands):
|  | Year ended December 31,
Lease Revenue |  | 2021 |  | 2020 |  | 2019
Fixed contractual payments |  | $ | 2,319,362 |  |  | $ | 2,211,915 |  |  | $ | 2,261,260 |
Variable lease payments |  | 433,652 |  |  | 434,346 |  |  | 496,754 |
|  | $ | 2,753,014 |  |  | $ | 2,646,261 |  |  | $ | 2,758,014 |
Lessor, Operating Lease, Payments to be Received, Maturity | The future contractual lease payments to be received (excluding operating expense reimbursements and percentage rent) by the Company as of December 31, 2021, under non-cancelable operating leases which expire on various dates through 2049 (in thousands):
Years Ending December 31, |
2022 | $ | 2,252,034 |
2023 | 2,251,287 |
2024 | 2,138,772 |
2025 | 2,012,975 |
2026 | 1,877,563 |
Thereafter | 12,215,114 |
Sumner Square |
Lessee, Lease, Description [Line Items] |
Lessee, Operating Lease, Liability, Maturity | The following table provides a maturity analysis for the Company’s lease liabilities related to its Sumner Square operating lease as of May 19, 2021 (in thousands):
| Operating
Period from May 19, 2021 through December 31, 2021 | $ | 23,599 |
2022 | 761 |
2023 | 784 |
2024 | 808 |
2025 | 832 |
2026 | 422 |
Total lease payments | 27,206 |
Less: Interest portion | (536) |
Present value of lease payments | $ | 26,670 |

X
- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
Name: | us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
Name: | us-gaap_LeaseCostTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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: | us-gaap_LesseeLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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: | us-gaap_LessorLeaseDescriptionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919396-209981 + Details
Name: | us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of components of income from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=124502072&loc=SL77927221-108306 + Details
Name: | us-gaap_OperatingLeaseLeaseIncomeTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=bxp_SumnerSquareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |