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Organization (Details) ft² in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 ft² Real_Estate_Properties yr shares | Dec. 31, 2022
Real Estate Properties [Line Items] |  |
Restriction on redemption of OP units from date of issuance (years) | yr | 1 |
One OP unit is equivalent to one share of Common Stock (in shares) | shares | 1 |
OP unit conversion rate (in shares) | shares | 1 |
Vesting Period | 4 years |
Number of VIEs | 8 |
2012 OPP Units and Vested MYLTIPs |  |
Real Estate Properties [Line Items] |  |
Vesting Period | 3 years |
Variable Interest Entity, Primary Beneficiary [Member] | Commercial Real Estate Properties [Member] |  |
Real Estate Properties [Line Items] |  |
Number of VIEs | 5 |
Construction in Progress |  |
Real Estate Properties [Line Items] |  |
Number of real estate properties | 10 |
Net Rentable Area (in sf) | ft² | 2.7 |
Commercial Real Estate Properties [Member] |  |
Real Estate Properties [Line Items] |  |
Number of real estate properties | 188 |
Net Rentable Area (in sf) | ft² | 53.3 |
Office and Life Sciences Building [Member] |  |
Real Estate Properties [Line Items] |  |
Number of real estate properties | 167 |
Office and Life Sciences Building [Member] | Construction in Progress |  |
Real Estate Properties [Line Items] |  |
Number of real estate properties | 7 |
Retail Site [Member] |  |
Real Estate Properties [Line Items] |  |
Number of real estate properties | 14 |
Retail Site [Member] | Construction in Progress |  |
Real Estate Properties [Line Items] |  |
Number of real estate properties | 2 |
Residential Building |  |
Real Estate Properties [Line Items] |  |
Number of real estate properties | 6 |
Residential Building | Construction in Progress |  |
Real Estate Properties [Line Items] |  |
Number of real estate properties | 1 |
Hotel [Member] |  |
Real Estate Properties [Line Items] |  |
Number of real estate properties | 1 |
Boston Properties Limited Partnership |  |
Real Estate Properties [Line Items] |  |
General and limited partnership interest in the operating partnership (percent) | 89.40% | 89.60%

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