Real Estate Investment - Summary of the Purchase Price Allocation (Details) $ in Thousands	9 Months Ended
Sep. 30, 2021 USD ($)
Delray Beach Plaza
Business Acquisition [Line Items]
Land	$ 0
Above-market leases	0
Below-market leases	(3,121)
Finance lease liabilities	(27,940)
Finance lease right-of-use assets	24,466
Fair value adjustment on acquired debt	0
Net assets acquired	27,765
Overlook Village
Business Acquisition [Line Items]
Land	6,328
Above-market leases	81
Below-market leases	(2,146)
Finance lease liabilities	0
Finance lease right-of-use assets	0
Fair value adjustment on acquired debt	0
Net assets acquired	28,362
Greenbrier Square
Business Acquisition [Line Items]
Land	8,549
Above-market leases	1,753
Below-market leases	(1,365)
Finance lease liabilities	0
Finance lease right-of-use assets	0
Fair value adjustment on acquired debt	11
Net assets acquired	36,777
Land Improvements \| Delray Beach Plaza
Business Acquisition [Line Items]
Property, plant, and equipment	4,607
Land Improvements \| Overlook Village
Business Acquisition [Line Items]
Property, plant, and equipment	1,727
Land Improvements \| Greenbrier Square
Business Acquisition [Line Items]
Property, plant, and equipment	1,974
Building and Building Improvements \| Delray Beach Plaza
Business Acquisition [Line Items]
Property, plant, and equipment	22,544
Building and Building Improvements \| Overlook Village
Business Acquisition [Line Items]
Property, plant, and equipment	18,375
Building and Building Improvements \| Greenbrier Square
Business Acquisition [Line Items]
Property, plant, and equipment	19,196
In-place lease assets \| Delray Beach Plaza
Business Acquisition [Line Items]
Finite-lived intangibles	7,209
In-place lease assets \| Overlook Village
Business Acquisition [Line Items]
Finite-lived intangibles	3,997
In-place lease assets \| Greenbrier Square
Business Acquisition [Line Items]
Finite-lived intangibles	$ 6,659

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
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