Investment in Unconsolidated Affiliates - Total investments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Investment in Unconsolidated Affiliates
Investment in unconsolidated affiliates	$ 26,176	$ 18,658
Operating Partnership
Investment in Unconsolidated Affiliates
Investment in unconsolidated affiliates	$ 26,176	18,658
Operating Partnership \| Banner Building
Investment in Unconsolidated Affiliates
Ownership interest (as a percent)	66.67%
Investment in unconsolidated affiliates		60
Investment in unconsolidated affiliates	$ (608)
Operating Partnership \| Grand Forks Market Place Retail Center
Investment in Unconsolidated Affiliates
Ownership interest (as a percent)	50.00%
Investment in unconsolidated affiliates	$ 3,635	2,493
Operating Partnership \| SE Savage, LLC
Investment in Unconsolidated Affiliates
Ownership interest (as a percent)	60.00%
Investment in unconsolidated affiliates	$ 1,892	2,946
Operating Partnership \| SE Maple Grove, LLC
Investment in Unconsolidated Affiliates
Ownership interest (as a percent)	60.00%
Investment in unconsolidated affiliates	$ 1,859	2,823
Operating Partnership \| SE Rogers
Investment in Unconsolidated Affiliates
Ownership interest (as a percent)	60.00%
Investment in unconsolidated affiliates	$ 2,546	2,986
Operating Partnership \| ST Oak Cliff, LLC
Investment in Unconsolidated Affiliates
Ownership interest (as a percent)	70.00%
Investment in unconsolidated affiliates	$ 9,214	4,324
Operating Partnership \| SE Brooklyn Park, LLC
Investment in Unconsolidated Affiliates
Ownership interest (as a percent)	60.00%
Investment in unconsolidated affiliates	$ 2,995	$ 3,026
Operating Partnership \| SE Fossil Creek, LLC
Investment in Unconsolidated Affiliates
Ownership interest (as a percent)	70.00%
Investment in unconsolidated affiliates	$ 4,643

Net amount of investment in equity method investee and investment in and advance to affiliate.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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Amount of investment in equity method investee and investment in and advance to affiliate.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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+ References

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