SCHEDULE III - REAL ESTATE PROPERTIES AND ACCUMULATED DEPRECIATION (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Real estate properties and accumulated depreciation
Encumbrances	$ 130,997
Initial Cost to Company
Land	31,644
Buildings and Improvements	158,097
Costs Capitalized Subsequent to Acquisition
Land	49
Improvements	7,263
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	25,586
Buildings and Improvements	165,443
Total	191,029
Accumulated Depreciation	30,837
Commercial | Yonkers, NY.
Real estate properties and accumulated depreciation
Encumbrances	1,038
Initial Cost to Company
Land	0
Buildings and Improvements	4,000
Costs Capitalized Subsequent to Acquisition
Land	0
Improvements	320
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	0
Buildings and Improvements	4,320
Total	4,320
Accumulated Depreciation	$ 2,198
Depreciation Life	39 years
Commercial | South Daytona, FL.
Real estate properties and accumulated depreciation
Encumbrances	$ 0
Initial Cost to Company
Land	10,437
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land	49
Improvements	0
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	4,379
Buildings and Improvements	0
Total	4,379
Accumulated Depreciation	0
Multi-family residential | North Charleston, SC
Real estate properties and accumulated depreciation
Encumbrances	15,608
Initial Cost to Company
Land	2,436
Buildings and Improvements	18,970
Costs Capitalized Subsequent to Acquisition
Land	0
Improvements	1,378
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	2,436
Buildings and Improvements	20,348
Total	22,784
Accumulated Depreciation	$ 5,980
Depreciation Life	30 years
Multi-family residential | Decatur, GA
Real estate properties and accumulated depreciation
Encumbrances	$ 14,217
Initial Cost to Company
Land	1,698
Buildings and Improvements	8,676
Costs Capitalized Subsequent to Acquisition
Land	0
Improvements	2,158
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	1,698
Buildings and Improvements	10,834
Total	12,532
Accumulated Depreciation	$ 3,283
Depreciation Life	30 years
Multi-family residential | Columbus, OH
Real estate properties and accumulated depreciation
Encumbrances	$ 9,227
Initial Cost to Company
Land	1,372
Buildings and Improvements	12,678
Costs Capitalized Subsequent to Acquisition
Land	0
Improvements	615
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	1,372
Buildings and Improvements	13,293
Total	14,665
Accumulated Depreciation	$ 3,523
Depreciation Life	30 years
Multi-family residential | Houston, TX
Real estate properties and accumulated depreciation
Encumbrances	$ 14,380
Initial Cost to Company
Land	2,268
Buildings and Improvements	15,811
Costs Capitalized Subsequent to Acquisition
Land	0
Improvements	288
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	2,268
Buildings and Improvements	16,099
Total	18,367
Accumulated Depreciation	$ 1,474
Depreciation Life	30 years
Multi-family residential | Pensacola, FL
Real estate properties and accumulated depreciation
Encumbrances	$ 17,921
Initial Cost to Company
Land	2,758
Buildings and Improvements	25,192
Costs Capitalized Subsequent to Acquisition
Land	0
Improvements	1,180
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	2,758
Buildings and Improvements	26,372
Total	29,130
Accumulated Depreciation	$ 5,705
Depreciation Life	30 years
Multi-family residential | San Marcos, TX
Real estate properties and accumulated depreciation
Encumbrances	$ 16,844
Initial Cost to Company
Land	2,303
Buildings and Improvements	17,605
Costs Capitalized Subsequent to Acquisition
Land	0
Improvements	42
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	2,303
Buildings and Improvements	17,647
Total	19,950
Accumulated Depreciation	$ 1,033
Depreciation Life	30 years
Multi-family residential | LaGrange, GA
Real estate properties and accumulated depreciation
Encumbrances	$ 14,259
Initial Cost to Company
Land	832
Buildings and Improvements	21,969
Costs Capitalized Subsequent to Acquisition
Land	0
Improvements	579
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	832
Buildings and Improvements	22,548
Total	23,380
Accumulated Depreciation	$ 4,230
Depreciation Life	30 years
Multi-family residential | Fredericksburg, VA
Real estate properties and accumulated depreciation
Encumbrances	$ 27,503
Initial Cost to Company
Land	7,540
Buildings and Improvements	33,196
Costs Capitalized Subsequent to Acquisition
Land	0
Improvements	703
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	7,540
Buildings and Improvements	33,895
Total	41,435
Accumulated Depreciation	$ 3,411
Depreciation Life	30 years
Multi-family residential | Other assets
Real estate properties and accumulated depreciation
Encumbrances	$ 0
Initial Cost to Company
Land	0
Buildings and Improvements	0
Costs Capitalized Subsequent to Acquisition
Land	0
Improvements	0
Carrying Costs	0
Gross Amount At Which Carried at December 31, 2020
Land	0
Buildings and Improvements	87
Total	$ 87