Real Estate - Schedule of Asset Acquisitions (Details) ft² in Thousands, $ in Thousands	1 Months Ended			12 Months Ended
	Dec. 31, 2021 USD ($) ft²	Oct. 31, 2021 USD ($) ft²	Jul. 31, 2021 USD ($) ft²	Dec. 31, 2021 ft² property	Dec. 31, 2022
Office Properties Acquired
Asset Acquisition [Line Items]
Number of properties acquired | property				3
300 Colorado
Asset Acquisition [Line Items]
Gross Purchase Price	$ 162,500
Area of property | ft²	369			369
Tangible assets
Operating properties	$ 297,259
Total tangible assets	297,259
Intangible assets
Total intangible assets	14,835
Intangible liabilities
Total intangible liabilities	(10,369)
Total net assets	301,725
Ownership percentage of partner in joint venture					50.00%
300 Colorado | In-Place Leases
Intangible assets
Total intangible assets	13,974
300 Colorado | Below-Market Leases
Intangible assets
Total intangible assets	840
Intangible liabilities
Total intangible liabilities	(10,369)
300 Colorado | Above-Market Leases
Intangible assets
Total intangible assets	$ 21
Heights Union
Asset Acquisition [Line Items]
Gross Purchase Price		$ 144,800
Area of property | ft²		294
Tangible assets
Operating properties		$ 133,489
Total tangible assets		133,489
Intangible assets
Total intangible assets		7,216
Intangible liabilities
Total intangible liabilities		(2,501)
Total net assets		138,204
Heights Union | In-Place Leases
Intangible assets
Total intangible assets		5,894
Heights Union | Below-Market Leases
Intangible assets
Total intangible assets		0
Intangible liabilities
Total intangible liabilities		(2,501)
Heights Union | Above-Market Leases
Intangible assets
Total intangible assets		$ 1,322
725 Ponce
Asset Acquisition [Line Items]
Gross Purchase Price			$ 300,200
Area of property | ft²			372
Tangible assets
Operating properties			$ 292,946
Total tangible assets			292,946
Intangible assets
Total intangible assets			14,558
Intangible liabilities
Total intangible liabilities			(6,739)
Total net assets			300,765
725 Ponce | In-Place Leases
Intangible assets
Total intangible assets			12,788
725 Ponce | Below-Market Leases
Intangible assets
Total intangible assets			0
Intangible liabilities
Total intangible liabilities			(6,739)
725 Ponce | Above-Market Leases
Intangible assets
Total intangible assets			$ 1,770