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Real Estate and Accumulated Depreciation (Details) (USD $)
Dec. 31, 2014
Summary of real estate and accumulated depreciation on real estate  
Encumbrances $ 182,670,854us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
Land 34,479,319us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
Site, Land & Building Improvements and Rental Homes 249,606,503us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
Capitalization Subsequent to Acquisition 164,078,637us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
Memphis, TN [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 10,486,045us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_MemphisTnMember
[1]
Land 250,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_MemphisTnMember
Site, Land & Building Improvements and Rental Homes 2,569,101us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_MemphisTnMember
Capitalization Subsequent to Acquisition 8,270,359us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_MemphisTnMember
Orrville, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 7,554,281us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_OrrvilleOhMember
[2]
Land 114,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_OrrvilleOhMember
Site, Land & Building Improvements and Rental Homes 1,174,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_OrrvilleOhMember
Capitalization Subsequent to Acquisition 167,500us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_OrrvilleOhMember
Birch Run, MI [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 52,082,526us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_BirchRunMiMember
[3]
Land 70,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_BirchRunMiMember
Site, Land & Building Improvements and Rental Homes 2,797,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_BirchRunMiMember
Capitalization Subsequent to Acquisition 532,478us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_BirchRunMiMember
Goshen, IN [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 1,120,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_GoshenInMember
Site, Land & Building Improvements and Rental Homes 11,136,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_GoshenInMember
Capitalization Subsequent to Acquisition 1,727,638us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_GoshenInMember
Berwick, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 14,679,583us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_BerwickPaMember
[2]
Land 372,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_BerwickPaMember
Site, Land & Building Improvements and Rental Homes 4,776,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_BerwickPaMember
Capitalization Subsequent to Acquisition 639,151us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_BerwickPaMember
Greenfield Ctr, NY [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_GreenfieldCtrNyMember
Land 37,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_GreenfieldCtrNyMember
Site, Land & Building Improvements and Rental Homes 232,547us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_GreenfieldCtrNyMember
Capitalization Subsequent to Acquisition 3,693,950us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_GreenfieldCtrNyMember
Vineland, NJ [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 8,966,785us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_VinelandNjMember
Land 320,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_VinelandNjMember
Site, Land & Building Improvements and Rental Homes 1,866,323us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_VinelandNjMember
Capitalization Subsequent to Acquisition 2,046,445us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_VinelandNjMember
Chambersburg, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 12,177,725us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_ChambersburgPaMember
[4]
Land 176,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_ChambersburgPaMember
Site, Land & Building Improvements and Rental Homes 2,411,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_ChambersburgPaMember
Capitalization Subsequent to Acquisition 450,569us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_ChambersburgPaMember
Sayre, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [4]
Land 124,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_SayrePaMember
Site, Land & Building Improvements and Rental Homes 2,049,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_SayrePaMember
Capitalization Subsequent to Acquisition 278,421us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_SayrePaMember
Lewistown, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_LewistownPaMember
Land 137,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_LewistownPaMember
Site, Land & Building Improvements and Rental Homes 613,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_LewistownPaMember
Capitalization Subsequent to Acquisition 944,226us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_LewistownPaMember
Tiffin, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [1]
Land 142,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_TiffinOhMember
Site, Land & Building Improvements and Rental Homes 3,301,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_TiffinOhMember
Capitalization Subsequent to Acquisition 69,522us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_TiffinOhMember
Horseheads, NY [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [4]
Land 196,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_HorseheadsNyMember
Site, Land & Building Improvements and Rental Homes 2,317,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_HorseheadsNyMember
Capitalization Subsequent to Acquisition 684,628us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_HorseheadsNyMember
Wintersville, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 67,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_WintersvilleOhMember
Site, Land & Building Improvements and Rental Homes 2,383,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_WintersvilleOhMember
Capitalization Subsequent to Acquisition 2,339,241us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_WintersvilleOhMember
Muncie, IN [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances   
Land 174,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_MuncieInMember
Site, Land & Building Improvements and Rental Homes 1,926,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_MuncieInMember
Capitalization Subsequent to Acquisition 1,554,975us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_MuncieInMember
Ravenna, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 9,083,178us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_RavennaOhMember
[2]
Land 205,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_RavennaOhMember
Site, Land & Building Improvements and Rental Homes 2,895,997us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_RavennaOhMember
Capitalization Subsequent to Acquisition 340,776us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_RavennaOhMember
Columbia, TN [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_ColumbiaTnMember
Land 394,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_ColumbiaTnMember
Site, Land & Building Improvements and Rental Homes 6,916,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_ColumbiaTnMember
Capitalization Subsequent to Acquisition 3,180,792us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_ColumbiaTnMember
Cranberry Twp, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_CranberryTwpPaMember
Land 181,930us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_CranberryTwpPaMember
Site, Land & Building Improvements and Rental Homes 1,922,931us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_CranberryTwpPaMember
Capitalization Subsequent to Acquisition 2,450,486us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_CranberryTwpPaMember
Sayre, PA 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [4]
Land 188,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_SayrePaOneMember
Site, Land & Building Improvements and Rental Homes 2,258,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_SayrePaOneMember
Capitalization Subsequent to Acquisition 497,236us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_SayrePaOneMember
Duncansville, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_DuncansvillePaMember
Land 60,774us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_DuncansvillePaMember
Site, Land & Building Improvements and Rental Homes 378,093us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_DuncansvillePaMember
Capitalization Subsequent to Acquisition 2,249,070us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_DuncansvillePaMember
Toronto, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_TorontoOhMember
Land 275,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_TorontoOhMember
Site, Land & Building Improvements and Rental Homes 2,728,503us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_TorontoOhMember
Capitalization Subsequent to Acquisition 15,549us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_TorontoOhMember
New Springfield Oh [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 226,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_NewSpringfieldOhMember
Site, Land & Building Improvements and Rental Homes 2,299,275us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_NewSpringfieldOhMember
Capitalization Subsequent to Acquisition 206,051us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_NewSpringfieldOhMember
Clifton Park, NY [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 6,803,625us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_CliftonParkNyMember
[1]
Land 391,724us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_CliftonParkNyMember
Site, Land & Building Improvements and Rental Homes 704,021us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_CliftonParkNyMember
Capitalization Subsequent to Acquisition 2,756,898us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_CliftonParkNyMember
Lodi Oh [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 99,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_LodiOhMember
Site, Land & Building Improvements and Rental Homes 1,121,300us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_LodiOhMember
Capitalization Subsequent to Acquisition 59,914us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_LodiOhMember
Bedford Oh [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 49,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_BedfordOhMember
Site, Land & Building Improvements and Rental Homes 2,372,258us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_BedfordOhMember
Capitalization Subsequent to Acquisition 23,234us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_BedfordOhMember
Mantua Oh [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 105,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_MantuaOhMember
Site, Land & Building Improvements and Rental Homes 1,277,001us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_MantuaOhMember
Capitalization Subsequent to Acquisition 212,279us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_MantuaOhMember
Millville, NJ [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 10,139,450us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_MillvilleNjMember
Land 216,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_MillvilleNjMember
Site, Land & Building Improvements and Rental Homes 1,166,517us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_MillvilleNjMember
Capitalization Subsequent to Acquisition 9,094,057us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_MillvilleNjMember
Elkhart, IN [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 440,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_ElkhartInMember
Site, Land & Building Improvements and Rental Homes 7,004,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_ElkhartInMember
Capitalization Subsequent to Acquisition 865,604us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_ElkhartInMember
Cranberry Twp, PA 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_CranberryTwpPaOneMember
Land 75,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_CranberryTwpPaOneMember
Site, Land & Building Improvements and Rental Homes 977,225us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_CranberryTwpPaOneMember
Capitalization Subsequent to Acquisition 4,667,458us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_CranberryTwpPaOneMember
Schuylkill Haven, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [4]
Land 643,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_SchuylkillHavenPaMember
Site, Land & Building Improvements and Rental Homes 5,293,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_SchuylkillHavenPaMember
Capitalization Subsequent to Acquisition 689,795us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_SchuylkillHavenPaMember
Chambersburg, PA 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [4]
Land 108,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_ChambersburgPaOneMember
Site, Land & Building Improvements and Rental Homes 2,397,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_ChambersburgPaOneMember
Capitalization Subsequent to Acquisition 247,338us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_ChambersburgPaOneMember
Honey Brook, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 370,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_HoneyBrookPaMember
Site, Land & Building Improvements and Rental Homes 1,220,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_HoneyBrookPaMember
Capitalization Subsequent to Acquisition 61,433us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_HoneyBrookPaMember
Dublin Oh [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_DublinOhMember
Land 248,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_DublinOhMember
Site, Land & Building Improvements and Rental Homes 2,147,700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_DublinOhMember
Capitalization Subsequent to Acquisition 97,176us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_DublinOhMember
Inkerman, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 989,773us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_InkermanPaMember
Land 572,500us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_InkermanPaMember
Site, Land & Building Improvements and Rental Homes 2,151,569us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_InkermanPaMember
Capitalization Subsequent to Acquisition 5,914,235us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_InkermanPaMember
Elkhart, IN 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 510,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_ElkhartInOneMember
Site, Land & Building Improvements and Rental Homes 7,084,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_ElkhartInOneMember
Capitalization Subsequent to Acquisition 689,293us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_ElkhartInOneMember
Kutztown, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 9,408,128us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_KutztownPaMember
Land 145,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_KutztownPaMember
Site, Land & Building Improvements and Rental Homes 1,695,041us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_KutztownPaMember
Capitalization Subsequent to Acquisition 10,582,889us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_KutztownPaMember
Greensburgh, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 8,495,880us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_GreensburgPaMember
[5]
Land 483,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_GreensburgPaMember
Site, Land & Building Improvements and Rental Homes 2,678,525us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_GreensburgPaMember
Capitalization Subsequent to Acquisition 154,554us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_GreensburgPaMember
Nashville, TN [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_NashvilleTnMember
Land 1,632,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_NashvilleTnMember
Site, Land & Building Improvements and Rental Homes 5,618,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_NashvilleTnMember
Capitalization Subsequent to Acquisition 3,027,213us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_NashvilleTnMember
Peninsula Oh [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 8,796,065us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_PeninsulaOhMember
[6]
Land 141,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_PeninsulaOhMember
Site, Land & Building Improvements and Rental Homes 3,515,878us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_PeninsulaOhMember
Capitalization Subsequent to Acquisition 425,478us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_PeninsulaOhMember
Clinton Pa [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [5]
Land 686,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_ClintonPAMember
Site, Land & Building Improvements and Rental Homes 2,783,633us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_ClintonPAMember
Capitalization Subsequent to Acquisition 47,269us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_ClintonPAMember
Monticello, NY [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_MonticelloNyMember
Land 235,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_MonticelloNyMember
Site, Land & Building Improvements and Rental Homes 1,402,572us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_MonticelloNyMember
Capitalization Subsequent to Acquisition 7,720,797us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_MonticelloNyMember
Navarre, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_NavarreOhMember
Land 290,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_NavarreOhMember
Site, Land & Building Improvements and Rental Homes 1,457,673us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_NavarreOhMember
Capitalization Subsequent to Acquisition 6,495,265us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_NavarreOhMember
Cresson, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_CressonPaMember
Land 432,700us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_CressonPaMember
Site, Land & Building Improvements and Rental Homes 2,070,426us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_CressonPaMember
Capitalization Subsequent to Acquisition 2,258,651us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_CressonPaMember
Orrville, OH 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 113,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_OrrvilleOhOneMember
Site, Land & Building Improvements and Rental Homes 1,135,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_OrrvilleOhOneMember
Capitalization Subsequent to Acquisition 303,129us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_OrrvilleOhOneMember
Taylor, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 674,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_TaylorPaMember
Site, Land & Building Improvements and Rental Homes 9,432,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_TaylorPaMember
Capitalization Subsequent to Acquisition 1,732,827us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_TaylorPaMember
Chambersburg, PA 2 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [4]
Land 63,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_ChambersburgPaTwoMember
Site, Land & Building Improvements and Rental Homes 584,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_ChambersburgPaTwoMember
Capitalization Subsequent to Acquisition 5,557us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_ChambersburgPaTwoMember
New Middletown, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 152,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_NewMiddletownOhMember
Site, Land & Building Improvements and Rental Homes 3,191,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_NewMiddletownOhMember
Capitalization Subsequent to Acquisition 1,218,816us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_NewMiddletownOhMember
Wooster, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 767,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_WoosterOhMember
Site, Land & Building Improvements and Rental Homes 5,429,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_WoosterOhMember
Capitalization Subsequent to Acquisition 797,370us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_WoosterOhMember
Wooster, OH 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 94,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_WoosterOhOneMember
Site, Land & Building Improvements and Rental Homes 1,040,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_WoosterOhOneMember
Capitalization Subsequent to Acquisition 10,633us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_WoosterOhOneMember
Memphis, TN 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_MemphisTnOneMember
Land 78,435us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_MemphisTnOneMember
Site, Land & Building Improvements and Rental Homes 810,477us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_MemphisTnOneMember
Capitalization Subsequent to Acquisition 952,935us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_MemphisTnOneMember
Avoca, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 330,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_AvocaPaMember
Site, Land & Building Improvements and Rental Homes 3,794,100us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_AvocaPaMember
Capitalization Subsequent to Acquisition 712,913us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_AvocaPaMember
Coxsackie, NY [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_CoxsackieNyMember
Land 1,757,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_CoxsackieNyMember
Site, Land & Building Improvements and Rental Homes 0us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_CoxsackieNyMember
Capitalization Subsequent to Acquisition 1,497,683us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_CoxsackieNyMember
Elkhart, IN 2 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 500,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_ElkhartInTwoMember
Site, Land & Building Improvements and Rental Homes 7,524,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_ElkhartInTwoMember
Capitalization Subsequent to Acquisition 1,490,055us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_ElkhartInTwoMember
Tunkhannock, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 379,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_TunkhannockPaMember
Site, Land & Building Improvements and Rental Homes 1,639,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_TunkhannockPaMember
Capitalization Subsequent to Acquisition 310,990us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_TunkhannockPaMember
Olmsted Falls, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_OlmstedFallsOhMember
Land 569,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_OlmstedFallsOhMember
Site, Land & Building Improvements and Rental Homes 3,031,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_OlmstedFallsOhMember
Capitalization Subsequent to Acquisition 678,638us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_OlmstedFallsOhMember
West Grove, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 7,350,262us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_WestGrovePaMember
Land 175,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_WestGrovePaMember
Site, Land & Building Improvements and Rental Homes 990,515us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_WestGrovePaMember
Capitalization Subsequent to Acquisition 1,600,405us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_WestGrovePaMember
Carlisle, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_CarlislePaMember
Land 37,540us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_CarlislePaMember
Site, Land & Building Improvements and Rental Homes 198,321us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_CarlislePaMember
Capitalization Subsequent to Acquisition 6,719,889us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_CarlislePaMember
Apollo, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_ApolloPaMember
Land 670,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_ApolloPaMember
Site, Land & Building Improvements and Rental Homes 1,336,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_ApolloPaMember
Capitalization Subsequent to Acquisition 3,518,511us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_ApolloPaMember
Bloomsburg, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 282,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_BloomsburgPaMember
Site, Land & Building Improvements and Rental Homes 2,174,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_BloomsburgPaMember
Capitalization Subsequent to Acquisition 600,563us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_BloomsburgPaMember
Belle Vernon, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_BelleVernonPaMember
Land 150,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_BelleVernonPaMember
Site, Land & Building Improvements and Rental Homes 2,491,796us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_BelleVernonPaMember
Capitalization Subsequent to Acquisition 9,724,884us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_BelleVernonPaMember
Marion, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_MarionOhMember
Land 236,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_MarionOhMember
Site, Land & Building Improvements and Rental Homes 785,293us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_MarionOhMember
Capitalization Subsequent to Acquisition 5,033,760us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_MarionOhMember
Carlisle, PA 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_CarlislePaOneMember
Land 301,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_CarlislePaOneMember
Site, Land & Building Improvements and Rental Homes 1,419,013us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_CarlislePaOneMember
Capitalization Subsequent to Acquisition 507,699us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_CarlislePaOneMember
Belle Vernon, PA 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [5]
Land 813,600us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_BelleVernonPaOneMember
Site, Land & Building Improvements and Rental Homes 2,203,506us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_BelleVernonPaOneMember
Capitalization Subsequent to Acquisition 58,430us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_BelleVernonPaOneMember
Magnolia, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_MagnoliaOhMember
Land 270,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_MagnoliaOhMember
Site, Land & Building Improvements and Rental Homes 1,941,430us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_MagnoliaOhMember
Capitalization Subsequent to Acquisition 5,603,708us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_MagnoliaOhMember
Nashville, TN 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_NashvilleTnOneMember
Land 337,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_NashvilleTnOneMember
Site, Land & Building Improvements and Rental Homes 3,379,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_NashvilleTnOneMember
Capitalization Subsequent to Acquisition 1,948,025us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_NashvilleTnOneMember
Somerset, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 731,900us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_SomersetPaMember
Land 1,485,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_SomersetPaMember
Site, Land & Building Improvements and Rental Homes 2,050,400us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_SomersetPaMember
Capitalization Subsequent to Acquisition 5,380,203us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_SomersetPaMember
Columbiana, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 63,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_ColumbianaOhMember
Site, Land & Building Improvements and Rental Homes 3,387,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_ColumbianaOhMember
Capitalization Subsequent to Acquisition 206,625us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_ColumbianaOhMember
Jackson, NJ [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 5,871,176us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_JacksonNjMember
Land 100,095us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_JacksonNjMember
Site, Land & Building Improvements and Rental Homes 602,820us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_JacksonNjMember
Capitalization Subsequent to Acquisition 2,338,536us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_JacksonNjMember
Athens, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_AthensOhMember
Land 67,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_AthensOhMember
Site, Land & Building Improvements and Rental Homes 1,326,800us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_AthensOhMember
Capitalization Subsequent to Acquisition 1,962,581us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_AthensOhMember
Greensburg, PA 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 6,417,395us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_GreensburgPaOneMember
[1]
Land 299,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_GreensburgPaOneMember
Site, Land & Building Improvements and Rental Homes 5,837,272us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_GreensburgPaOneMember
Capitalization Subsequent to Acquisition 1,025,661us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_GreensburgPaOneMember
Somerset, PA 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [1]
Land 287,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_SomersetPaOneMember
Site, Land & Building Improvements and Rental Homes 6,113,528us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_SomersetPaOneMember
Capitalization Subsequent to Acquisition 486,204us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_SomersetPaOneMember
Eagleville, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 450,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_EaglevillePaMember
Site, Land & Building Improvements and Rental Homes 2,674,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_EaglevillePaMember
Capitalization Subsequent to Acquisition (12,659)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_EaglevillePaMember
Goodlettsville, TN [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_GoodlettsvilleTnMember
Land 411,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_GoodlettsvilleTnMember
Site, Land & Building Improvements and Rental Homes 1,867,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_GoodlettsvilleTnMember
Capitalization Subsequent to Acquisition 2,133,953us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_GoodlettsvilleTnMember
Olmsted Twp OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 2,637,077us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_OlmstedTwpOhMember
Land 823,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_OlmstedTwpOhMember
Site, Land & Building Improvements and Rental Homes 3,527,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_OlmstedTwpOhMember
Capitalization Subsequent to Acquisition 969,541us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_OlmstedTwpOhMember
Goshen, IN 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 650,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_GoshenInOneMember
Site, Land & Building Improvements and Rental Homes 6,307,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_GoshenInOneMember
Capitalization Subsequent to Acquisition 1,032,172us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_GoshenInOneMember
Ruffs Dale, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [5]
Land 284,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_RuffsDalePaMember
Site, Land & Building Improvements and Rental Homes 2,266,750us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_RuffsDalePaMember
Capitalization Subsequent to Acquisition 50,862us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_RuffsDalePaMember
Ravenna, OH 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [6]
Land 198,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_RavennaOhOneMember
Site, Land & Building Improvements and Rental Homes 2,779,260us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_RavennaOhOneMember
Capitalization Subsequent to Acquisition 186,289us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_RavennaOhOneMember
Ravenna, OH 2 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [6]
Land 996,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_RavennaOhTwoMember
Site, Land & Building Improvements and Rental Homes 6,542,178us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_RavennaOhTwoMember
Capitalization Subsequent to Acquisition 1,006,862us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_RavennaOhTwoMember
Ephrata, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [4]
Land 114,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaMember
Site, Land & Building Improvements and Rental Homes 994,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaMember
Capitalization Subsequent to Acquisition 245,557us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaMember
Ephrata, PA 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [4]
Land 134,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaOneMember
Site, Land & Building Improvements and Rental Homes 1,665,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaOneMember
Capitalization Subsequent to Acquisition 386,890us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaOneMember
Ephrata, PA 2 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [4]
Land 191,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaTwoMember
Site, Land & Building Improvements and Rental Homes 4,359,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaTwoMember
Capitalization Subsequent to Acquisition 555,107us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaTwoMember
Ephrata, PA 3 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [4]
Land 72,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaThreeMember
Site, Land & Building Improvements and Rental Homes 1,746,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaThreeMember
Capitalization Subsequent to Acquisition 2,508us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_EphrataPaThreeMember
Doylestown, PA [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 2,650,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_DoylestownPaMember
Site, Land & Building Improvements and Rental Homes 8,266,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_DoylestownPaMember
Capitalization Subsequent to Acquisition (11,992)us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_DoylestownPaMember
Honey Brook, PA 1 [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [3]
Land 1,380,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_HoneyBrookPaOneMember
Site, Land & Building Improvements and Rental Homes 5,348,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_HoneyBrookPaOneMember
Capitalization Subsequent to Acquisition 157,821us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_HoneyBrookPaOneMember
Hamburg, NY [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [1]
Land 424,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_HamburgNyMember
Site, Land & Building Improvements and Rental Homes 3,812,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_HamburgNyMember
Capitalization Subsequent to Acquisition 2,353,158us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_HamburgNyMember
Lebanon, TN [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_LebanonTnMember
Land 1,184,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_LebanonTnMember
Site, Land & Building Improvements and Rental Homes 4,034,480us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_LebanonTnMember
Capitalization Subsequent to Acquisition 4,299,168us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_LebanonTnMember
West Monroe, NY [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_WestMonroeNyMember
Land 77,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_WestMonroeNyMember
Site, Land & Building Improvements and Rental Homes 841,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_WestMonroeNyMember
Capitalization Subsequent to Acquisition 1,493,572us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_WestMonroeNyMember
Eatontown, NJ [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_EatontownNjMember
Land 157,421us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_EatontownNjMember
Site, Land & Building Improvements and Rental Homes 280,749us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_EatontownNjMember
Capitalization Subsequent to Acquisition 1,019,343us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_EatontownNjMember
Caledonia, OH [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances 0us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances
/ us-gaap_StatementGeographicalAxis
= umh_CaledoniaOhMember
Land 260,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_CaledoniaOhMember
Site, Land & Building Improvements and Rental Homes 1,753,206us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_CaledoniaOhMember
Capitalization Subsequent to Acquisition 3,330,308us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_CaledoniaOhMember
Youngstown, NY [Member]  
Summary of real estate and accumulated depreciation on real estate  
Encumbrances    [2]
Land 269,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfLand
/ us-gaap_StatementGeographicalAxis
= umh_YoungstownNyMember
Site, Land & Building Improvements and Rental Homes 1,606,000us-gaap_RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements
/ us-gaap_StatementGeographicalAxis
= umh_YoungstownNyMember
Capitalization Subsequent to Acquisition $ 23,054us-gaap_RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts
/ us-gaap_StatementGeographicalAxis
= umh_YoungstownNyMember
[1] Represents one mortgage note payable secured by two properties.
[2] Represents one mortgage note payable secured by five properties.
[3] Represents one mortgage not payable secured by thirteen properties.
[4] Represents one mortgage note payable secured by eleven properties.
[5] Represents one mortgage note payable secured by four properties.
[6] Represents one mortgage note payable secured by three properties.