Real Estate - Summary 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 ($) ft²	Dec. 31, 2020 USD ($) ft²	Dec. 31, 2021 ft² property	Dec. 31, 2020 ft² property
Asset Acquisition [Line Items]
Number of properties acquired | property					3	1
300 Colorado
Asset Acquisition [Line Items]
Gross Purchase Price		$ 162,500
Area of property | ft²		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 acquired		301,725
Ownership percentage of partner in joint venture	50.00%				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 acquired			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				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 acquired	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
The RailYard
Asset Acquisition [Line Items]
Gross Purchase Price				$ 201,000
Area of property | ft²				329		329
Tangible assets
Operating properties				$ 201,153
Total tangible assets				201,153
Intangible assets
Total intangible assets				9,289
Intangible liabilities
Total intangible liabilities				(9,129)
Total net assets acquired				201,313
The RailYard | In-Place Leases
Intangible assets
Total intangible assets				8,850
The RailYard | Below-Market Leases
Intangible assets
Total intangible assets				0
Intangible liabilities
Total intangible liabilities				(9,129)
The RailYard | Above-Market Leases
Intangible assets
Total intangible assets				$ 439