Schedule III - Real Estate and Accumulated Depreciation - Summary of Real Estate and Accumulated Depreciation (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021		Dec. 31, 2020	Dec. 31, 2019
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances		$ 174,759
Initial Cost to Company, Land		49,341
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities		196,169
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition		7,615
Gross Amount at Which Carried at Close of Period, Land		49,341
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities		203,784
Gross Amount at Which Carried at Close of Period, Total		253,125	[1]	$ 181,725	$ 170,094
Accumulated Depreciation		(21,620)	[1]	$ (9,625)	$ (116)
Avondale Shops [Member] | Washington, D.C. [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	[2]	4,411
Initial Cost to Company, Land	[2]	1,776
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities	[2]	6,593
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition	[2]	7
Gross Amount at Which Carried at Close of Period, Land	[2]	1,776
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities	[2]	6,600
Gross Amount at Which Carried at Close of Period, Total	[1],[2]	8,376
Accumulated Depreciation	[1],[2],[3]	$ (652)
Date of Construction/Renovation	[2]	2010
Date Acquired	[2]	2019
Brookhill Azalea Shopping Center [Member] | Richmond, VA [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances		$ 9,033
Initial Cost to Company, Land		1,344
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities		15,554
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition		52
Gross Amount at Which Carried at Close of Period, Land		1,344
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities		15,606
Gross Amount at Which Carried at Close of Period, Total	[1]	16,950
Accumulated Depreciation	[1],[3]	$ (2,022)
Date of Construction/Renovation		2012
Date Acquired		2019
Coral Hills Shopping Center [Member] | Capitol Heights, MD [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 10,720
Initial Cost to Company, Land	[4]	2,186
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities	[4]	14,317
Gross Amount at Which Carried at Close of Period, Land	[4]	2,186
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities	[4]	14,317
Gross Amount at Which Carried at Close of Period, Total	[1],[4]	16,503
Accumulated Depreciation	[1],[3],[4]	$ (2,618)
Date of Construction/Renovation	[4]	2012
Date Acquired	[4]	2019
Crestview Square Shopping Center [Member] | Landover Hills, MD [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 11,903
Initial Cost to Company, Land	[4]	2,853
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities	[4]	15,717
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition	[4]	106
Gross Amount at Which Carried at Close of Period, Land	[4]	2,853
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities	[4]	15,823
Gross Amount at Which Carried at Close of Period, Total	[1],[4]	18,676
Accumulated Depreciation	[1],[3],[4]	$ (2,262)
Date of Construction/Renovation	[4]	2012
Date Acquired	[4]	2019
Dekalb Plaza [Member] | East Norriton, PA [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 14,840
Initial Cost to Company, Land	[4]	7,573
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities	[4]	17,479
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition	[4]	1,081
Gross Amount at Which Carried at Close of Period, Land	[4]	7,573
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities	[4]	18,560
Gross Amount at Which Carried at Close of Period, Total	[1],[4]	26,133
Accumulated Depreciation	[1],[3],[4]	$ (2,115)
Date of Construction/Renovation	[4]	2017
Date Acquired	[4]	2019
Hollinswood Shopping Center [Member] | Baltimore, MD [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	[2]	$ 14,891
Initial Cost to Company, Land	[2]	5,907
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities	[2]	15,050
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition	[2]	3,955
Gross Amount at Which Carried at Close of Period, Land	[2]	5,907
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities	[2]	19,005
Gross Amount at Which Carried at Close of Period, Total	[1],[2]	24,912
Accumulated Depreciation	[1],[2],[3]	$ (2,173)
Date of Construction/Renovation	[2]	2020
Date Acquired	[2]	2019
Midtown Colonial [Member] | Williamsburg, VA [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 8,624
Initial Cost to Company, Land	[4]	3,963
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities	[4]	10,014
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition	[4]	924
Gross Amount at Which Carried at Close of Period, Land	[4]	3,963
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities	[4]	10,938
Gross Amount at Which Carried at Close of Period, Total	[1],[4]	14,901
Accumulated Depreciation	[1],[3],[4]	$ (1,049)
Date of Construction/Renovation	[4]	2018
Date Acquired	[4]	2019
Midtown Lamonticello [Member] | Williamsburg, VA [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 9,905
Initial Cost to Company, Land	[4]	3,108
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities	[4]	12,659
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition	[4]	239
Gross Amount at Which Carried at Close of Period, Land	[4]	3,108
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities	[4]	12,898
Gross Amount at Which Carried at Close of Period, Total	[1],[4]	16,006
Accumulated Depreciation	[1],[3],[4]	$ (937)
Date of Construction/Renovation	[4]	2019
Date Acquired	[4]	2019
Vista Shops at Golden Mile [Member] | Fredrick, MD [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	[2]	$ 16,185
Initial Cost to Company, Land	[2]	4,342
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities	[2]	10,219
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition	[2]	92
Gross Amount at Which Carried at Close of Period, Land	[2]	4,342
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities	[2]	10,311
Gross Amount at Which Carried at Close of Period, Total	[1],[2]	14,653
Accumulated Depreciation	[1],[2],[3]	$ (1,732)
Date of Construction/Renovation	[2]	2009
Date Acquired	[2]	2019
West Broad Commons Shopping Center [Member] | Richmond, VA [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances	[4]	$ 11,720
Initial Cost to Company, Land	[4]	1,324
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities	[4]	18,180
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition	[4]	51
Gross Amount at Which Carried at Close of Period, Land	[4]	1,324
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities	[4]	18,231
Gross Amount at Which Carried at Close of Period, Total	[1],[4]	19,555
Accumulated Depreciation	[1],[3],[4]	$ (2,035)
Date of Construction/Renovation	[4]	2017
Date Acquired	[4]	2019
Lamar Station Plaza East [Member] | Lakewood, CO [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances		$ 3,507
Initial Cost to Company, Land		1,826
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities		3,183
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition		1,097
Gross Amount at Which Carried at Close of Period, Land		1,826
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities		4,280
Gross Amount at Which Carried at Close of Period, Total	[1]	6,106
Accumulated Depreciation	[1],[3]	$ (628)
Date of Construction/Renovation		1984
Date Acquired		2020
Cromwell Field Shopping Center [Member] | Glen Burnie, MD [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances		$ 13,761
Initial Cost to Company, Land		2,256
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities		15,618
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition		7
Gross Amount at Which Carried at Close of Period, Land		2,256
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities		15,625
Gross Amount at Which Carried at Close of Period, Total	[1]	17,881
Accumulated Depreciation	[1],[3]	$ (955)
Date of Construction/Renovation		2020
Date Acquired		2021
Highlandtown Village Shopping Center [Member] | Baltimore, MD [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances		$ 7,325
Initial Cost to Company, Land		2,998
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities		4,341
Gross Amount at Which Carried at Close of Period, Land		2,998
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities		4,341
Gross Amount at Which Carried at Close of Period, Total	[1]	7,339
Accumulated Depreciation	[1],[3]	$ (492)
Date of Construction/Renovation		1987
Date Acquired		2021
Spotswood Valley Square Shopping Center [Member] | Harrissonburg V A [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances		$ 14,636
Initial Cost to Company, Land		4,715
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities		9,685
Gross Amount at Which Carried at Close of Period, Land		4,715
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities		9,685
Gross Amount at Which Carried at Close of Period, Total	[1]	14,400
Accumulated Depreciation	[1],[3]	$ (1,255)
Date of Construction/Renovation		1997
Date Acquired		2021
The Shops At Greenwood Village [Member] | Greenwood Village, CO [Member] | Shopping Center [Member]
Real Estate And Accumulated Depreciation [Line Items]
Encumbrances		$ 23,296
Initial Cost to Company, Land		3,170
Initial Cost to Company, Building and improvements and intangible lease assets and liabilities		27,560
Initial Cost to Company, Cost Capitalized Subsequent to Acquisition		4
Gross Amount at Which Carried at Close of Period, Land		3,170
Gross Amount at Which Carried at Close of Period, Building and improvements and intangible lease assets and liabilities		27,564
Gross Amount at Which Carried at Close of Period, Total	[1]	30,734
Accumulated Depreciation	[1],[3]	$ (695)
Date of Construction/Renovation		2019
Date Acquired		2021

[1] The changes in total real estate and accumulated depreciation for the years ended December 31, 2021 and 2020 is as follows:       For the year ended December 31,   (in thousands)   2021     2020   Cost             Balance at beginning of period   $ 181,725     $ 170,094   Acquisitions     68,087       7,265   Capitalized costs     3,313       4,302   Purchase price accounting adjustment     -       64   Balance at end of period   $ 253,125     $ 181,725                 Accumulated Depreciation             Balance at beginning of period   $ 9,625     $ 116   Depreciation     11,995       9,509   Balance at end of period   $ 21,620     $ 9,625  

[2] The loan is encumbered by the Basis Preferred Interest.

[3] The cost of building and improvements is depreciated on a straight-line basis over the estimated useful lives of the buildings and improvements, ranging primarily from 7.5 to 45 years. The cost of intangible lease assets are depreciated on a straight-line basis over the initial term of the related leases, ranging up to 19 years. See Note 2 to the consolidated financial statements for information on useful lives used for depreciation and amortization.

[4] The loan is encumbered by the Basis Term Loan.