Loans and Mortgages Payable - Summary of Mortgages Payable (Details) - USD ($)		12 Months Ended
	May 02, 2016	Dec. 31, 2017	Dec. 31, 2016
Due Date	Jun. 01, 2026
Total Mortgages Payable		$ 308,460,786	$ 296,563,983
Unamortized debt issuance costs		(3,565,669)	(3,538,391)
Total Mortgages Payable, net of Unamortized Debt Issuance Costs		$ 304,895,117	$ 293,025,592
Allentown [Member]
Due Date		Oct. 01, 2025	Oct. 01, 2025
Interest Rate		4.06%	4.06%
Total Mortgages Payable		$ 13,390,559	$ 13,637,719
Brookview Village [Member]
Due Date		Apr. 01, 2025	Apr. 01, 2025
Interest Rate		3.92%	3.92%
Total Mortgages Payable		$ 2,778,698	$ 2,832,889
Candlewick Court [Member]
Due Date		Sep. 01, 2025	Sep. 01, 2025
Interest Rate		4.10%	4.10%
Total Mortgages Payable		$ 4,468,826	$ 4,551,134
Catalina [Member]
Due Date		Aug. 19, 2025	Aug. 19, 2025
Interest Rate		4.20%	4.20%
Total Mortgages Payable		$ 5,533,771	$ 5,739,657
Cedarcrest [Member]
Due Date		Apr. 01, 2025	Apr. 01, 2025
Interest Rate		3.71%	3.71%
Total Mortgages Payable		$ 12,024,840	$ 12,268,266
Clinton Mobile Home Resort [Member]
Due Date		Oct. 01, 2025	Oct. 01, 2025
Interest Rate		4.06%	4.06%
Total Mortgages Payable		$ 3,514,421	$ 3,579,289
Cranberry Village [Member]
Due Date		Apr. 01, 2025	Apr. 01, 2025
Interest Rate		3.92%	3.92%
Total Mortgages Payable		$ 7,620,974	$ 7,769,600
D&R Village [Member]
Due Date		Mar. 01, 2025	Mar. 01, 2025
Interest Rate		3.85%	3.85%
Total Mortgages Payable		$ 7,685,346	$ 7,837,828
Fairview Manor [Member]
Due Date		Nov. 01, 2026	Nov. 01, 2026
Interest Rate		3.85%	3.85%
Total Mortgages Payable		$ 16,010,749	$ 16,299,292
Forest Park Village [Member]
Due Date		Sep. 01, 2025	Sep. 01, 2025
Interest Rate		4.10%	4.10%
Total Mortgages Payable		$ 8,332,848	$ 8,486,324
Hayden Heights [Member]
Due Date		Apr. 01, 2025	Apr. 01, 2025
Interest Rate		3.92%	3.92%
Total Mortgages Payable		$ 2,094,009	$ 2,134,846
Heather Highlands [Member]
Due Date		Aug. 28, 2018	Aug. 28, 2018
Interest Rate, description		Prime + 1.0%	Prime + 1.0%
Total Mortgages Payable		$ 16,606	$ 354,529
Highland Estates [Member]
Due Date		Jun. 01, 2027	Sep. 01, 2017
Interest Rate		4.12%	6.175%
Total Mortgages Payable		$ 16,640,165	$ 9,035,246
Holiday Village [Member]
Due Date		Sep. 01, 2025	Sep. 01, 2025
Interest Rate		4.10%	4.10%
Total Mortgages Payable		$ 7,929,646	$ 8,075,696
Holiday Village- IN [Member]
Due Date		Nov. 01, 2025	Nov. 01, 2025
Interest Rate		3.96%	3.96%
Total Mortgages Payable		$ 8,514,837	$ 8,674,151
Holly Acres Estates [Member]
Due Date		Oct. 05, 2021	Oct. 05, 2021
Interest Rate		6.50%	6.50%
Total Mortgages Payable		$ 2,194,312	$ 2,228,629
Kinnebrook Village [Member]
Due Date		Apr. 01, 2025	Apr. 01, 2025
Interest Rate		3.92%	3.92%
Total Mortgages Payable		$ 4,048,226	$ 4,127,176
Lake Sherman Village [Member]
Due Date		Sep. 01, 2025	Sep. 01, 2025
Interest Rate		4.10%	4.10%
Total Mortgages Payable		$ 5,510,432	$ 5,611,924
Olmsted Falls [Member]
Due Date		Apr. 01, 2025	Apr. 01, 2025
Interest Rate		3.98%	3.98%
Total Mortgages Payable		$ 2,093,269	$ 2,133,656
Oxford Village [Member]
Due Date		Jan. 01, 2020	Jan. 01, 2020
Interest Rate		5.94%	5.94%
Total Mortgages Payable		$ 6,751,511	$ 6,963,586
Shady Hills [Member]
Due Date		Apr. 01, 2025	Apr. 01, 2025
Interest Rate		3.92%	3.92%
Total Mortgages Payable		$ 4,992,527	$ 5,089,892
Somerset Estates And Whispering Pines [Member]
Due Date		Feb. 26, 2019	Feb. 26, 2019
Interest Rate		4.89%	4.89%
Total Mortgages Payable		$ 217,770	$ 395,886
Springfield Meadows [Member]
Due Date		Oct. 06, 2025	Oct. 06, 2025
Interest Rate		4.83%	4.83%
Total Mortgages Payable		$ 3,141,199	$ 3,191,381
Suburban Estates [Member]
Due Date		Oct. 01, 2025	Oct. 01, 2025
Interest Rate		4.06%	4.06%
Total Mortgages Payable		$ 5,583,084	$ 5,686,136
Sunny Acres [Member]
Due Date		Oct. 01, 2025	Oct. 01, 2025
Interest Rate		4.06%	4.06%
Total Mortgages Payable		$ 6,214,642	$ 6,329,351
Southwind Village [Member]
Due Date		Jan. 01, 2020	Jan. 01, 2020
Interest Rate		5.94%	5.94%
Total Mortgages Payable		$ 5,392,911	$ 5,562,311
Trailmont [Member]
Due Date		Apr. 01, 2025	Apr. 01, 2025
Interest Rate		3.92%	3.92%
Total Mortgages Payable		$ 3,328,351	$ 3,393,262
Twin Oaks [Member]
Due Date		Dec. 01, 2019	Dec. 01, 2019
Interest Rate		5.75%	5.75%
Total Mortgages Payable		$ 2,415,894	$ 2,494,084
Valley Hills [Member]
Due Date		Jun. 01, 2026	Jun. 01, 2026
Interest Rate		4.32%	4.32%
Total Mortgages Payable		$ 3,408,438	$ 3,466,014
Waterfalls [Member]
Due Date		Jun. 01, 2026	Jun. 01, 2026
Interest Rate		4.38%	4.38%
Total Mortgages Payable		$ 4,639,515	$ 4,716,994
Weatherly Estates [Member]
Due Date		Apr. 01, 2025	Apr. 01, 2025
Interest Rate		3.92%	3.92%
Total Mortgages Payable		$ 8,121,177	$ 8,279,558
Wellington Estates [Member]
Due Date		Jan. 01, 2023	Jan. 01, 2023
Interest Rate		6.35%	6.35%
Total Mortgages Payable		$ 2,414,621	$ 0
Woods Edge [Member]
Due Date		Jan. 07, 2026	Jan. 07, 2026
Interest Rate		4.30%	4.30%
Total Mortgages Payable		$ 6,728,792	$ 6,969,958
Worthington Arms [Member]
Due Date		Sep. 01, 2025	Sep. 01, 2025
Interest Rate		4.10%	4.10%
Total Mortgages Payable		$ 9,342,775	$ 9,514,851
Various (2 Properties) [Member]
Due Date		Feb. 01, 2027	Feb. 01, 2027
Interest Rate		4.56%	4.56%
Total Mortgages Payable		$ 14,049,088	$ 0
Various (4 Properties) [Member]
Due Date		Jul. 01, 2023	Jul. 01, 2023
Interest Rate		4.975%	4.975%
Total Mortgages Payable		$ 8,079,960	$ 8,226,015
Various (5 Properties) [Member]
Due Date		Jan. 01, 2022	Jan. 01, 2022
Interest Rate		4.25%	4.25%
Total Mortgages Payable		$ 13,749,838	$ 14,072,987
Various (5 Properties) [Member]
Due Date		Dec. 06, 2022	Dec. 06, 2022
Interest Rate		4.75%	4.75%
Total Mortgages Payable		$ 7,154,380	$ 7,294,460
Various (5 Properties) [Member]
Due Date		Feb. 01, 2018	Feb. 01, 2018
Interest Rate		6.83%	6.83%
Total Mortgages Payable		$ 0	$ 8,818,862
Various (6 Properties) [Member]
Due Date		Aug. 01, 2027	Aug. 01, 2027
Interest Rate		4.18%	4.18%
Total Mortgages Payable		$ 13,296,207	$ 0
Various (11 Properties) [Member]
Due Date		Aug. 01, 2017	Aug. 01, 2017
Interest Rate, description		LIBOR + 3.0%	LIBOR + 3.0%
Total Mortgages Payable		$ 0	$ 10,625,352
Various (13 Properties) [Member]
Due Date		Mar. 01, 2023	Mar. 01, 2023
Interest Rate		4.065%	4.065%
Total Mortgages Payable		$ 49,035,572	$ 50,095,192