Real Estate Investment - Summary of the Purchase Price Allocation (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Wendover Village additional outparcel
Business Acquisition [Line Items]
Net assets acquired	$ 2,783
Wendover Village additional outparcel \| In-place leases
Business Acquisition [Line Items]
Finite-lived intangibles	101
Wendover Village additional outparcel \| Above-market leases
Business Acquisition [Line Items]
Finite-lived intangibles	111
Wendover Village additional outparcel \| Land
Business Acquisition [Line Items]
Property, plant, and equipment	1,633
Wendover Village additional outparcel \| Site improvements
Business Acquisition [Line Items]
Property, plant, and equipment	50
Wendover Village additional outparcel \| Building and improvements
Business Acquisition [Line Items]
Property, plant, and equipment	888
One City Center
Business Acquisition [Line Items]
Net assets acquired	46,020
One City Center \| In-place leases
Business Acquisition [Line Items]
Finite-lived intangibles	15,140
One City Center \| Above-market leases
Business Acquisition [Line Items]
Finite-lived intangibles	0
One City Center \| Land
Business Acquisition [Line Items]
Property, plant, and equipment	2,678
One City Center \| Site improvements
Business Acquisition [Line Items]
Property, plant, and equipment	163
One City Center \| Building and improvements
Business Acquisition [Line Items]
Property, plant, and equipment	$ 28,039

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
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