Employment agreements term.

No definition available.

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- Definition

Number of directors in company who are directors and shareholders of MREIC.

+ References

No definition available.

+ Details

Name:	UMH_NumberOfDirectorsInCompanyWhoAreDirectorsAndShareholdersOfAffiliateCompany
Namespace Prefix:	UMH_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares owned in affiliate company.

+ References

No definition available.

+ Details

Name:	UMH_NumberOfSharesOwnedInAffiliateCompany
Namespace Prefix:	UMH_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of shares owned in affiliate company.

+ References

No definition available.

+ Details

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Namespace Prefix:	UMH_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Renewed lease term.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of expense for salary and wage arising from service rendered by officer. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(4))
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

+ Details

Name:	us-gaap_OfficersCompensation
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

Name:	us-gaap_CreationDateAxis=UMH_AprilThirtyTwoThousandTwentyTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=UMH_MrEugeneAndWLandyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=UMH_MrEugeneWLandyMrSamuelALandyAndMsAnnaTChewMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	dei_LegalEntityAxis=UMH_MonmouthRealEstateInvestmentCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related Party Transactions and Other Matters (Details Narrative)		12 Months Ended
	May 01, 2015 USD ($)	Dec. 31, 2018 USD ($) Number shares	Feb. 14, 2018 USD ($)	Jul. 02, 2017 USD ($)
Renewed lease term	7 years
April 30, 2020 [Member]
Lease payment through April 30, 2020	$ 14,900		$ 1,800	$ 1,275
April 30, 2022 [Member]
Lease payment through April 30, 2022	$ 15,300		$ 1,850	$ 1,310
Mr. Eugene and W. Landy [Member]
Interest in the entity of landlord of the property		24.00%
Mr. Eugene W. Landy, Mr. Samuel A. Landy And Ms. Anna T. Chew [Member]
Employment agreements term		3 years
Approximate value of compensation		$ 1,400,000
Monmouth Real Estate Investment Corporation [Member]
Number of directors and shareholders \| Number		5
Number of shares owned in affiliate company \| shares		2,446,054
Percentage of shares owned in affiliate company		2.60%