SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION - Initial Cost and Subsequent Costs Capitalized (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cost:
Land	$ 192,526
Building & Improvements	325,032
Improvements	3,702
Gross Amount Carried at Close
Land	192,526
Buildings	328,734
Total	521,260	$ 472,126	$ 392,842	$ 463,704
Accumulated Depreciation	23,936	$ 30,316	$ 22,552	$ 28,733
Aggregate cost, net of deferred tax liabilities, of Income Properties, Land, Buildings, and Improvements for Federal income tax	290,800
Income Property, Riverside Avenue, Jacksonville, Florida
Cost:
Land	6,020
Building & Improvements	14,240
Improvements	2,033
Gross Amount Carried at Close
Land	6,020
Buildings	16,273
Total	22,293
Accumulated Depreciation	$ 4,177
Date Acquired	Jul. 16, 2015
Life	43 years
Income Property, Westcliff Shopping Center, Fort Worth, Texas
Cost:
Land	$ 10,521
Building & Improvements	4,196
Improvements	287
Gross Amount Carried at Close
Land	10,521
Buildings	4,483
Total	15,004
Accumulated Depreciation	$ 2,086
Date Acquired	Mar. 01, 2017
Life	10 years
Income Property, Single-tenant, Chuy's Restaurant and Bar, Jacksonville, Florida
Cost:
Land	$ 5,504
Gross Amount Carried at Close
Land	5,504
Total	$ 5,504
Date Acquired	Oct. 10, 2018
Income Property, Crabby's Restaurant, Daytona Beach, Florida
Cost:
Land	$ 5,836
Building & Improvements	4,249
Improvements	45
Gross Amount Carried at Close
Land	5,836
Buildings	4,294
Total	10,130
Accumulated Depreciation	$ 919
Date of Completion	Jan. 25, 2018
Life	40 years
Income Property, Multi-tenant, Crossroads Towne Center, Chandler, Arizona
Cost:
Land	$ 9,592
Building & Improvements	41,717
Improvements	199
Gross Amount Carried at Close
Land	9,592
Buildings	41,916
Total	51,508
Accumulated Depreciation	$ 2,766
Date Acquired	Jan. 24, 2020
Life	35 years
Income Property, General Dynamics Corporation, Reston, Virginia
Cost:
Land	$ 7,530
Building & Improvements	9,068
Gross Amount Carried at Close
Land	7,530
Buildings	9,068
Total	16,598
Accumulated Depreciation	$ 1,216
Date Acquired	Jul. 12, 2019
Life	35 years
Income Property, Single-tenant, Fidelity Investments (affiliate of), Albuquerque, New Mexico
Cost:
Land	$ 5,739
Building & Improvements	29,537
Improvements	12
Gross Amount Carried at Close
Land	5,739
Buildings	29,549
Total	35,288
Accumulated Depreciation	$ 3,655
Date Acquired	Oct. 04, 2018
Life	45 years
Income Property, Single-tenant, Firebirds Wood Fired Grill, Jacksonville, Florida
Cost:
Land	$ 4,203
Gross Amount Carried at Close
Land	4,203
Total	$ 4,203
Date Acquired	Oct. 10, 2018
Income Property, Single-tenant, Ford Motor Credit, Tampa, Florida
Cost:
Land	$ 3,265
Building & Improvements	20,629
Gross Amount Carried at Close
Land	3,265
Buildings	20,629
Total	23,894
Accumulated Depreciation	$ 1,248
Date Acquired	Aug. 21, 2020
Life	40 years
Income Property, LandShark Bar and Grill, Daytona Beach, Florida
Cost:
Land	$ 5,836
Building & Improvements	4,577
Improvements	10
Gross Amount Carried at Close
Land	5,836
Buildings	4,587
Total	10,423
Accumulated Depreciation	$ 869
Date of Completion	Jan. 25, 2018
Life	40 years
Income Property, Party City Corporation, Oceanside, New York
Cost:
Land	$ 2,965
Building & Improvements	3,289
Gross Amount Carried at Close
Land	2,965
Buildings	3,289
Total	6,254
Accumulated Depreciation	$ 237
Date Acquired	Sep. 24, 2019
Life	35 years
Income Property, Multi-tenant, Ashford Lane, Atlanta, Georgia
Cost:
Land	$ 37,717
Building & Improvements	33,422
Improvements	825
Gross Amount Carried at Close
Land	37,717
Buildings	34,247
Total	71,964
Accumulated Depreciation	$ 2,181
Date Acquired	Feb. 21, 2020
Life	36 years
Income Property, The Strand - Fogo De Chao, Jacksonville, Florida
Cost:
Land	$ 12,551
Building & Improvements	36,431
Improvements	204
Gross Amount Carried at Close
Land	12,551
Buildings	36,635
Total	49,186
Accumulated Depreciation	$ 2,906
Date Acquired	Dec. 09, 2019
Life	48 years
Income Property Beaver Creek, Apex, North Carolina
Cost:
Land	$ 21,383
Building & Improvements	39,194
Gross Amount Carried at Close
Land	21,383
Buildings	39,194
Total	60,577
Accumulated Depreciation	$ 149
Date Acquired	Dec. 02, 2021
Life	30 years
Income Property Eastern Commons, Henderson, Nevada
Cost:
Land	$ 7,894
Building & Improvements	8,575
Gross Amount Carried at Close
Land	7,894
Buildings	8,575
Total	16,469
Accumulated Depreciation	$ 325
Date Acquired	Mar. 10, 2021
Life	35 years
Income Property Exchange at Gwinnett, Buford, Georgia
Cost:
Land	$ 4,450
Building & Improvements	25,300
Gross Amount Carried at Close
Land	4,450
Buildings	25,300
Total	29,750
Accumulated Depreciation	$ 4
Date Acquired	Dec. 30, 2021
Life	45 years
Income Property Jordan Landing, West Jordan, Utah
Cost:
Land	$ 10,529
Building & Improvements	5,752
Gross Amount Carried at Close
Land	10,529
Buildings	5,752
Total	16,281
Accumulated Depreciation	$ 250
Date Acquired	Mar. 02, 2021
Life	30 years
Income Property Shops at Legacy, Plano, Texas
Cost:
Land	$ 22,008
Building & Improvements	27,192
Improvements	87
Gross Amount Carried at Close
Land	22,008
Buildings	27,279
Total	49,287
Accumulated Depreciation	$ 918
Date Acquired	Jun. 23, 2021
Life	32 years
Income Property 120 Lincoln & 150 Washington, Santa Fe, New Mexico
Cost:
Land	$ 459
Building & Improvements	12,525
Gross Amount Carried at Close
Land	459
Buildings	12,525
Total	12,984
Accumulated Depreciation	$ 20
Date Acquired	Dec. 20, 2021
Life	30 years
Income Property Synovus, Winter Park, Florida
Cost:
Land	$ 8,524
Building & Improvements	5,139
Gross Amount Carried at Close
Land	8,524
Buildings	5,139
Total	13,663
Accumulated Depreciation	$ 10
Date Acquired	Dec. 20, 2021
Life	30 years