Note 3 - Real Estate - Purchase Price Allocation (Details) $ in Thousands	6 Months Ended
Jun. 30, 2021 USD ($)
Allocation	$ 104,000
Tenant Improvements [Member]
Allocation, finite-lived in tangibles	$ 711
Weighted-average amortization period, finite-lived in tangibles (Year)	20 years
Allocation, finite-lived in tangibles	$ (711)
Leases, Acquired-in-Place [Member]
Allocation, finite-lived in tangibles	$ 11,120
Weighted-average amortization period, finite-lived in tangibles (Year)	20 years
Allocation, finite-lived in tangibles	$ (11,120)
Land [Member]
Allocation, Property Plant and Equipment	19,527
Building [Member]
Allocation, Property Plant and Equipment	$ 87,691
Weighted-average amortization period, Property Plant and Equipment (Year)	50 years
Building Improvements [Member]
Allocation, Property Plant and Equipment	$ 6,251
Weighted-average amortization period, Property Plant and Equipment (Year)	45 years
Below Market Leases [Member]
Allocation, finite-lived in tangibles	$ 21,300
Weighted-average amortization period, finite-lived in tangibles (Year)	60 years
Allocation, finite-lived in tangibles	$ (21,300)

The weighted-average amortization period of assets and liabilities recognized as of the acquisition date.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=123455525&loc=d3e2207-128464

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472

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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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