Real Estate Properties - Additional Information (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023 USD ($) ft² lease property	Sep. 30, 2023 USD ($) ft² joint_venture lease property	Dec. 31, 2022 USD ($)
Real Estate Properties [Line Items]
Real estate aggregate undepreciated carrying value	$ 4,063,636	$ 4,063,636	$ 3,936,074
Number of joint ventures | joint_venture		2
Number of leases entered | lease	29	68
Rentable square feet (in square feet) | ft²	586,000	1,502,000
Weighted average lease term	7 years 4 months 24 days	8 years 8 months 12 days
Expenditures committed on leases	$ 25,359	$ 74,744
Committed but unspent tenant related obligations estimated	$ 137,223	$ 137,223
Unconsolidated Joint Ventures
Real Estate Properties [Line Items]
Number of properties (in properties) | property	3	3
Rentable square feet (in square feet) | ft²	451,000	451,000
Number of buildings, noncontrolling interest | property		3
Joint Venture 1
Real Estate Properties [Line Items]
Ownership percentage	51.00%	51.00%
Joint Venture 2
Real Estate Properties [Line Items]
Ownership percentage	50.00%	50.00%
Disposal Group, Held-for-sale, Not Discontinued Operations
Real Estate Properties [Line Items]
Number of properties (in properties) | property	2	2
Real estate held-for-sale	$ 17,390	$ 17,390
Continuing operations
Real Estate Properties [Line Items]
Number of properties (in properties) | property	154	154
Rentable square feet (in square feet) | ft²	20,705,000	20,705,000
Real estate aggregate undepreciated carrying value	$ 4,081,026	$ 4,081,026