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Organization (Details)
ft² in Millions
3 Months Ended 9 Months Ended
Dec. 31, 2023
Sep. 30, 2024
ft²
Real_Estate_Properties
yr
shares
Sep. 30, 2024
ft²
Real_Estate_Properties
yr
shares
Real Estate Properties [Line Items]      
Restriction on redemption of OP units from date of issuance (years) | yr   1 1
One OP unit is equivalent to one share of Common Stock (in shares) | shares   1 1
OP unit conversion rate (in shares) | shares   1 1
2012 OPP Units and Vested MYLTIPs      
Real Estate Properties [Line Items]      
Vesting Period     3 years
Construction in Progress      
Real Estate Properties [Line Items]      
Number of real estate properties   9 9
Net Rentable Area (in sf) | ft²   2.7 2.7
Commercial Real Estate Properties [Member]      
Real Estate Properties [Line Items]      
Number of real estate properties   184 184
Net Rentable Area (in sf) | ft²   53.0 53.0
Office and Life Sciences Building [Member]      
Real Estate Properties [Line Items]      
Number of real estate properties   162 162
Office and Life Sciences Building [Member] | Construction in Progress      
Real Estate Properties [Line Items]      
Number of real estate properties   6 6
Retail Site [Member]      
Real Estate Properties [Line Items]      
Number of real estate properties   14 14
Retail Site [Member] | Construction in Progress      
Real Estate Properties [Line Items]      
Number of real estate properties   1 1
Residential Building      
Real Estate Properties [Line Items]      
Number of real estate properties   7 7
Residential Building | Construction in Progress      
Real Estate Properties [Line Items]      
Number of real estate properties   2 2
Hotel [Member]      
Real Estate Properties [Line Items]      
Number of real estate properties   1 1
Boston Properties Limited Partnership      
Real Estate Properties [Line Items]      
General and limited partnership interest in the operating partnership (percent) 89.40% 89.60%