Revenue Recognition - Narrative (Details) ft² in Thousands, $ in Thousands		1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 01, 2019 USD ($)	Jun. 30, 2023 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) ft² property	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Feb. 07, 2024 USD ($) property
Disaggregation of Revenue [Line Items]
Total Revenues				$ 802,874	$ 762,290	$ 755,073
Reduction of revenue related to write-down of net assets associated with lease		$ 1,600
Deferred rents receivable				$ 209,370	184,043
Contract price that is expected to be recognized as revenue	$ 52,300
NS
Disaggregation of Revenue [Line Items]
Revenue recognized					3,200	11,900
Subsequent Event
Disaggregation of Revenue [Line Items]
Number of real estate properties will not terminate | property							3
WeWork Inc.
Disaggregation of Revenue [Line Items]
Ownership interest percentage				20.00%
WeWork Inc.
Disaggregation of Revenue [Line Items]
Square Feet | ft²				162
Number of real estate properties | property				3
WeWork Inc. | Subsequent Event
Disaggregation of Revenue [Line Items]
Number of real estate properties | property							4
Number of real estate properties will not terminate | property							3
Deferred rents receivable							$ 1,700
WeWork Inc. | WeWork Inc.
Disaggregation of Revenue [Line Items]
Square Feet | ft²				33
Number of real estate properties | property				1
WeWork Inc. | Atlanta Market
Disaggregation of Revenue [Line Items]
Number of real estate properties | property				2
WeWork Inc. | Charlotte Market
Disaggregation of Revenue [Line Items]
Number of real estate properties | property				1
NS | Promenade Central
Disaggregation of Revenue [Line Items]
Consideration for the various services component	$ 52,300
Rental property revenues
Disaggregation of Revenue [Line Items]
Total Revenues				$ 799,047	753,511	739,063
Rental property revenues | SVB Financial Group
Disaggregation of Revenue [Line Items]
Total Revenues			$ 2,300
Rental property revenues | WeWork Inc.
Disaggregation of Revenue [Line Items]
Total Revenues				8,600
Variable rental revenue
Disaggregation of Revenue [Line Items]
Total Revenues				226,400	212,300	199,000
Fees and other
Disaggregation of Revenue [Line Items]
Total Revenues				$ 3,800	$ 8,800	$ 16,000