Real Estate And Accumulated Depreciation (Details 1) (USD $)	Dec. 31, 2013		Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of real estate and accumulated depreciation
Land	$ 33,973,214	[1],[2]
Site, Land & Building Improvements and Rental Homes	331,851,198	[1],[2]
Total	365,824,412		253,490,055	191,252,542	168,590,072
Accumulated Depreciation	76,435,743		65,658,602	58,994,093	53,950,873
Memphis, TN [Member]
Summary of real estate and accumulated depreciation
Land	480,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	9,326,723	[1],[2]
Total	9,806,723	[1],[2]
Accumulated Depreciation	4,102,000
Orrville, OH [Member]
Summary of real estate and accumulated depreciation
Land	114,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,174,000	[1],[2]
Total	1,288,000	[1],[2]
Accumulated Depreciation	7,253
Birch Run, MI [Member]
Summary of real estate and accumulated depreciation
Land	70,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,982,264	[1],[2]
Total	3,052,264	[1],[2]
Accumulated Depreciation	105,779
Goshen, IN [Member]
Summary of real estate and accumulated depreciation
Land	1,120,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	11,624,834	[1],[2]
Total	12,744,834	[1],[2]
Accumulated Depreciation	383,184
Berwick, PA [Member]
Summary of real estate and accumulated depreciation
Land	372,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	4,996,190	[1],[2]
Total	5,368,190	[1],[2]
Accumulated Depreciation	542,690
Greenfield, Ctr NY [Member]
Summary of real estate and accumulated depreciation
Land	122,865	[1],[2]
Site, Land & Building Improvements and Rental Homes	3,400,769	[1],[2]
Total	3,523,634	[1],[2]
Accumulated Depreciation	1,847,750
Chambersburg, PA [Member]
Summary of real estate and accumulated depreciation
Land	176,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,467,051	[1],[2]
Total	2,643,051	[1],[2]
Accumulated Depreciation	125,621
Vineland, NJ [Member]
Summary of real estate and accumulated depreciation
Land	408,206	[1],[2]
Site, Land & Building Improvements and Rental Homes	3,594,479	[1],[2]
Total	4,002,685	[1],[2]
Accumulated Depreciation	2,517,291
Chambersburg, PA 1 [Member]
Summary of real estate and accumulated depreciation
Land	108,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,567,683	[1],[2]
Total	2,675,683	[1],[2]
Accumulated Depreciation	125,514
Sayre, PA [Member]
Summary of real estate and accumulated depreciation
Land	124,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,076,624	[1],[2]
Total	2,200,624	[1],[2]
Accumulated Depreciation	106,142
Lewistown, PA [Member]
Summary of real estate and accumulated depreciation
Land	137,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,029,835	[1],[2]
Total	1,166,835	[1],[2]
Accumulated Depreciation	59,522
Tiffin, OH [Member]
Summary of real estate and accumulated depreciation
Land	142,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	3,350,740	[1],[2]
Total	3,492,740	[1],[2]
Accumulated Depreciation	273,000
Horseheads, NY [Member]
Summary of real estate and accumulated depreciation
Land	196,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,459,378	[1],[2]
Total	2,655,378	[1],[2]
Accumulated Depreciation	122,132
Wintersville, OH [Member]
Summary of real estate and accumulated depreciation
Land	67,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	3,527,464	[1],[2]
Total	3,594,464	[1],[2]
Accumulated Depreciation	145,321
Muncie, IN [Member]
Summary of real estate and accumulated depreciation
Land	174,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,656,451	[1],[2]
Total	2,830,451	[1],[2]
Accumulated Depreciation	163,583
Columbia, TN [Member]
Summary of real estate and accumulated depreciation
Land	394,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	8,462,970	[1],[2]
Total	8,856,970	[1],[2]
Accumulated Depreciation	770,042
Cranberry Twp, PA [Member]
Summary of real estate and accumulated depreciation
Land	181,930	[1],[2]
Site, Land & Building Improvements and Rental Homes	4,053,600	[1],[2]
Total	4,235,530	[1],[2]
Accumulated Depreciation	2,375,871
Athens, PA [Member]
Summary of real estate and accumulated depreciation
Land	188,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,351,602	[1],[2]
Total	2,539,602	[1],[2]
Accumulated Depreciation	118,198
Duncansville, PA [Member]
Summary of real estate and accumulated depreciation
Land	60,774	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,494,364	[1],[2]
Total	2,555,138	[1],[2]
Accumulated Depreciation	949,609
Clifton Park, NY [Member]
Summary of real estate and accumulated depreciation
Land	391,724	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,995,037	[1],[2]
Total	3,386,761	[1],[2]
Accumulated Depreciation	1,630,167
Millville, NJ [Member]
Summary of real estate and accumulated depreciation
Land	2,534,892	[1],[2]
Site, Land & Building Improvements and Rental Homes	7,526,671	[1],[2]
Total	10,061,563	[1],[2]
Accumulated Depreciation	4,028,517
Elkhart, IN [Member]
Summary of real estate and accumulated depreciation
Land	440,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	7,280,526	[1],[2]
Total	7,720,526	[1],[2]
Accumulated Depreciation	254,661
Cranberry Twp, PA 1 [Member]
Summary of real estate and accumulated depreciation
Land	75,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	4,808,660	[1],[2]
Total	4,883,660	[1],[2]
Accumulated Depreciation	2,288,396
Schuylkill Haven, PA [Member]
Summary of real estate and accumulated depreciation
Land	643,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	5,535,566	[1],[2]
Total	6,178,566	[1],[2]
Accumulated Depreciation	279,769
Chambersburg, PA 2 [Member]
Summary of real estate and accumulated depreciation
Land	63,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	585,275	[1],[2]
Total	648,275	[1],[2]
Accumulated Depreciation	30,096
Honey Brook, PA [Member]
Summary of real estate and accumulated depreciation
Land	370,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,232,547	[1],[2]
Total	1,602,547	[1],[2]
Accumulated Depreciation	38,219
Inkerman, PA [Member]
Summary of real estate and accumulated depreciation
Land	572,500	[1],[2]
Site, Land & Building Improvements and Rental Homes	7,164,027	[1],[2]
Total	7,736,527	[1],[2]
Accumulated Depreciation	3,745,355
Elkhart, IN 1 [Member]
Summary of real estate and accumulated depreciation
Land	510,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	7,346,128	[1],[2]
Total	7,856,128	[1],[2]
Accumulated Depreciation	251,677
Kutztown, PA [Member]
Summary of real estate and accumulated depreciation
Land	404,239	[1],[2]
Site, Land & Building Improvements and Rental Homes	11,025,260	[1],[2]
Total	11,429,499	[1],[2]
Accumulated Depreciation	4,913,520
Nashville, TN [Member]
Summary of real estate and accumulated depreciation
Land	1,632,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	6,222,932	[1],[2]
Total	7,854,932	[1],[2]
Accumulated Depreciation	166,031
Monticello, NY [Member]
Summary of real estate and accumulated depreciation
Land	352,972	[1],[2]
Site, Land & Building Improvements and Rental Homes	8,055,206	[1],[2]
Total	8,408,178	[1],[2]
Accumulated Depreciation	3,480,802
Navarre, OH [Member]
Summary of real estate and accumulated depreciation
Land	290,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	6,988,203	[1],[2]
Total	7,278,203	[1],[2]
Accumulated Depreciation	2,607,441
Cresson, PA [Member]
Summary of real estate and accumulated depreciation
Land	432,700	[1],[2]
Site, Land & Building Improvements and Rental Homes	4,064,562	[1],[2]
Total	4,497,262	[1],[2]
Accumulated Depreciation	1,384,271
Orrville, OH 1 [Member]
Summary of real estate and accumulated depreciation
Land	113,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,135,854	[1],[2]
Total	1,248,854	[1],[2]
Accumulated Depreciation	3,454
Taylor, PA [Member]
Summary of real estate and accumulated depreciation
Land	674,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	10,078,049	[1],[2]
Total	10,752,049	[1],[2]
Accumulated Depreciation	1,093,007
New Middletown, OH [Member]
Summary of real estate and accumulated depreciation
Land	152,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	3,791,527	[1],[2]
Total	3,943,527	[1],[2]
Accumulated Depreciation	195,700
Wooster, OH [Member]
Summary of real estate and accumulated depreciation
Land	767,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	5,429,404	[1],[2]
Total	6,196,404	[1],[2]
Accumulated Depreciation	16,495
Wooster, OH 1 [Member]
Summary of real estate and accumulated depreciation
Land	94,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,040,000	[1],[2]
Total	1,134,000	[1],[2]
Accumulated Depreciation	3,152
Memphis, TN 1 [Member]
Summary of real estate and accumulated depreciation
Land	335,935	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,504,440	[1],[2]
Total	1,840,375	[1],[2]
Accumulated Depreciation	1,136,878
Jonestown, PA [Member]
Summary of real estate and accumulated depreciation
Land	114,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,124,382	[1],[2]
Total	1,238,382	[1],[2]
Accumulated Depreciation	55,954
Avoca, PA [Member]
Summary of real estate and accumulated depreciation
Land	330,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	4,015,106	[1],[2]
Total	4,345,106	[1],[2]
Accumulated Depreciation	437,000
Narvon, PA [Member]
Summary of real estate and accumulated depreciation
Land	134,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,819,362	[1],[2]
Total	1,953,362	[1],[2]
Accumulated Depreciation	87,593
Coxsackie, NY [Member]
Summary of real estate and accumulated depreciation
Land	2,218,800	[1],[2]
Site, Land & Building Improvements and Rental Homes	898,407	[1],[2]
Total	3,117,207	[1],[2]
Accumulated Depreciation	107,530
Elkhart, IN 2 [Member]
Summary of real estate and accumulated depreciation
Land	500,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	7,938,594	[1],[2]
Total	8,438,594	[1],[2]
Accumulated Depreciation	279,650
Tunkhannock, PA [Member]
Summary of real estate and accumulated depreciation
Land	379,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,813,814	[1],[2]
Total	2,192,814	[1],[2]
Accumulated Depreciation	197,704
Olmsted Falls, OH [Member]
Summary of real estate and accumulated depreciation
Land	569,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	3,401,889	[1],[2]
Total	3,970,889	[1],[2]
Accumulated Depreciation	128,748
West Grove, PA [Member]
Summary of real estate and accumulated depreciation
Land	155,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,399,668	[1],[2]
Total	2,554,668	[1],[2]
Accumulated Depreciation	1,812,334
Carlisle, PA [Member]
Summary of real estate and accumulated depreciation
Land	145,473	[1],[2]
Site, Land & Building Improvements and Rental Homes	6,017,859	[1],[2]
Total	6,163,332	[1],[2]
Accumulated Depreciation	1,943,809
Apollo, PA [Member]
Summary of real estate and accumulated depreciation
Land	732,089	[1],[2]
Site, Land & Building Improvements and Rental Homes	3,997,771	[1],[2]
Total	4,729,860	[1],[2]
Accumulated Depreciation	1,707,088
Bloomsburg, PA [Member]
Summary of real estate and accumulated depreciation
Land	282,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,611,617	[1],[2]
Total	2,893,617	[1],[2]
Accumulated Depreciation	263,393
Belle Vernon, PA [Member]
Summary of real estate and accumulated depreciation
Land	505,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	10,386,594	[1],[2]
Total	10,891,594	[1],[2]
Accumulated Depreciation	4,895,376
Marion, OH [Member]
Summary of real estate and accumulated depreciation
Land	236,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	5,481,192	[1],[2]
Total	5,717,192	[1],[2]
Accumulated Depreciation	2,619,902
Carlisle, PA 1 [Member]
Summary of real estate and accumulated depreciation
Land	301,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,456,539	[1],[2]
Total	1,757,539	[1],[2]
Accumulated Depreciation	16,958
Magnolia, OH [Member]
Summary of real estate and accumulated depreciation
Land	270,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	7,004,809	[1],[2]
Total	7,274,809	[1],[2]
Accumulated Depreciation	3,649,839
Nashville, TN 1 [Member]
Summary of real estate and accumulated depreciation
Land	337,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	4,352,116	[1],[2]
Total	4,689,116	[1],[2]
Accumulated Depreciation	375,156
Somerset, PA [Member]
Summary of real estate and accumulated depreciation
Land	1,488,600	[1],[2]
Site, Land & Building Improvements and Rental Homes	7,193,822	[1],[2]
Total	8,682,422	[1],[2]
Accumulated Depreciation	1,932,000
Columbiana, OH [Member]
Summary of real estate and accumulated depreciation
Land	63,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	3,513,362	[1],[2]
Total	3,576,362	[1],[2]
Accumulated Depreciation	167,820
Jackson, NJ [Member]
Summary of real estate and accumulated depreciation
Land	100,095	[1],[2]
Site, Land & Building Improvements and Rental Homes	3,052,452	[1],[2]
Total	3,152,547	[1],[2]
Accumulated Depreciation	1,797,560
Athens, OH [Member]
Summary of real estate and accumulated depreciation
Land	67,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,926,547	[1],[2]
Total	2,993,547	[1],[2]
Accumulated Depreciation	1,140,247
Greensburg, PA [Member]
Summary of real estate and accumulated depreciation
Land	299,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	6,232,836	[1],[2]
Total	6,531,836	[1],[2]
Accumulated Depreciation	770,224
Somerset, PA 1 [Member]
Summary of real estate and accumulated depreciation
Land	287,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	6,268,833	[1],[2]
Total	6,555,833	[1],[2]
Accumulated Depreciation	813,402
Eagleville, PA [Member]
Summary of real estate and accumulated depreciation
Land	450,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,697,132	[1],[2]
Total	3,147,132	[1],[2]
Accumulated Depreciation	81,736
Goodlettsville, TN [Member]
Summary of real estate and accumulated depreciation
Land	411,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,845,908	[1],[2]
Total	3,256,908	[1],[2]
Accumulated Depreciation	237,420
Olmsted Falls, OH 1 [Member]
Summary of real estate and accumulated depreciation
Land	823,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	4,106,415	[1],[2]
Total	4,929,415	[1],[2]
Accumulated Depreciation	153,411
Goshen, IN 1 [Member]
Summary of real estate and accumulated depreciation
Land	650,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	6,582,766	[1],[2]
Total	7,232,766	[1],[2]
Accumulated Depreciation	207,135
Ephrata, PA [Member]
Summary of real estate and accumulated depreciation
Land	191,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	4,437,567	[1],[2]
Total	4,628,567	[1],[2]
Accumulated Depreciation	229,000
Ephrata, PA 1 [Member]
Summary of real estate and accumulated depreciation
Land	72,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,747,035	[1],[2]
Total	1,819,035	[1],[2]
Accumulated Depreciation	89,980
Doylestown, PA [Member]
Summary of real estate and accumulated depreciation
Land	2,650,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	8,216,405	[1],[2]
Total	10,866,405	[1],[2]
Accumulated Depreciation	250,580
Honey Brook, PA 1 [Member]
Summary of real estate and accumulated depreciation
Land	1,380,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	5,366,245	[1],[2]
Total	6,746,245	[1],[2]
Accumulated Depreciation	176,825
Hamburg, NY [Member]
Summary of real estate and accumulated depreciation
Land	424,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	5,939,707	[1],[2]
Total	6,363,707	[1],[2]
Accumulated Depreciation	2,682,069
Lebanon, TN [Member]
Summary of real estate and accumulated depreciation
Land	1,184,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	7,841,049	[1],[2]
Total	9,025,049	[1],[2]
Accumulated Depreciation	1,588,498
West Monroe, NY [Member]
Summary of real estate and accumulated depreciation
Land	77,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	2,026,676	[1],[2]
Total	2,103,676	[1],[2]
Accumulated Depreciation	578,668
Eatontown, NJ [Member]
Summary of real estate and accumulated depreciation
Land	135,420	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,212,485	[1],[2]
Total	1,347,905	[1],[2]
Accumulated Depreciation	574,000
Caledonia, OH [Member]
Summary of real estate and accumulated depreciation
Land	260,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	4,909,221	[1],[2]
Total	5,169,221	[1],[2]
Accumulated Depreciation	1,994,158
Youngstown, NY [Member]
Summary of real estate and accumulated depreciation
Land	269,000	[1],[2]
Site, Land & Building Improvements and Rental Homes	1,608,121	[1],[2]
Total	1,877,121	[1],[2]
Accumulated Depreciation	$ 4,902

[1] Represents one mortgage note payable secured by two properties.

[2] Represents one mortgage not payable secured by thirteen properties.