Note 16 - Related Party Transactions - (Details Textual) - USD ($) $ in Thousands						12 Months Ended
	Nov. 23, 2022	Sep. 01, 2022	Dec. 21, 2021	Oct. 06, 2021	Dec. 27, 2020	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Receivables due from related parties						$ 100	$ 100
Revenue from related parties						400	1,200
Related party advances				$ 1,100
Ground lease revenues						$ 32,951	25,349
Midtown Row [Member]
Related Party Transaction [Line Items]
Purchase price	$ 118,700
BBL Property [Member] | Midtown Row [Member]
Related Party Transaction [Line Items]
Purchase price			$ 122,000
Revised Acquisition Amount To Be Paid		$ 123,300
Minimum [Member]
Related Party Transaction [Line Items]
Percentage of management fee						3.00%
Maximum [Member]
Related Party Transaction [Line Items]
Percentage of management fee						4.00%
Maximum [Member] | Cromwell Field Shopping Center [Member]
Related Party Transaction [Line Items]
Ground lease revenues							100
Common OP units [Member] | Midtown Row [Member] | 2022 Real Estate Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers	448,180
Preferred OP units [Member] | Midtown Row [Member] | 2022 Real Estate Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers	1,842,917
Common and Preferred OP Units [Member] | BBL Property [Member] | Midtown Row [Member]
Related Party Transaction [Line Items]
Purchase price		$ 5,000
Thomas M. Yockey [Member] | Common OP units [Member] | Midtown Row [Member] | 2022 Real Estate Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers	97,086
Thomas M. Yockey [Member] | Broad Street Entities [Member] | Common Stock [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers					2,533,650
Thomas M. Yockey [Member] | Broad Street Entities [Member] | Common OP units [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers					556,736
Michael Z. Jacoby [Member] | Common OP units [Member] | Midtown Row [Member] | 2022 Real Estate Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers	97,086
Michael Z. Jacoby [Member] | Broad Street Entities [Member] | Common Stock [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers					2,533,650
Michael Z. Jacoby [Member] | Broad Street Entities [Member] | Common OP units [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers					993,018
Alexander Topchy [Member] | Common OP units [Member] | Midtown Row [Member] | 2022 Real Estate Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers	17,337
Alexander Topchy [Member] | Broad Street Entities [Member] | Common Stock [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers					137,345
Alexander Topchy [Member] | Broad Street Entities [Member] | Common OP units [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers					62,658
Daniel J.W. Neal [Member] | Common OP units [Member] | Midtown Row [Member] | 2022 Real Estate Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers	202,861
Daniel J.W. Neal [Member] | Broad Street Entities [Member] | Common Stock [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers					878,170
Spiritos [Member] | Broad Street Entities [Member] | Common Stock [Member] | Series of Individually Immaterial Business Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers					13,827
Jeffrey H Foster [Member] | Common OP units [Member] | Midtown Row [Member] | 2022 Real Estate Acquisitions [Member]
Related Party Transaction [Line Items]
Equity interest issued as consideration for the mergers	33,810
BSR [Member] | Thomas M. Yockey [Member]
Related Party Transaction [Line Items]
Consideration to be paid in exchange for repurchasing ownership interest										$ 1,500
Consideration paid in exchange for repurchasing ownership interest								$ 500	$ 1,000
Timbergate Ventures, LLC [Member] | Thomas M. Yockey [Member]
Related Party Transaction [Line Items]
Related party consulting fees							$ 200
Related party consulting agreement term							2 years
Related party consulting agreement expiration term						Dec. 26, 2021
Shulman Rogers LLP [Member] | Spiritos [Member]
Related Party Transaction [Line Items]
Related party legal fees						$ 400	$ 500
Other Assets, Net [Member]
Related Party Transaction [Line Items]
Receivables due from related parties						1,200	200
Payables Due to Related Parties [Member] | Due to Properties Managed by Company [Member] | Borrowed by Company for Working Capital [Member]
Related Party Transaction [Line Items]
Payables due to related parties						$ 100	$ 600