Name:	umh_BusinessAcquisitionCostOfAcquiredEntityPurchasesPrice
Namespace Prefix:	umh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Number of acquired manufactured home communities.

No definition available.

Name:	umh_NumberOfAcquiredManufacturedHomeCommunities
Namespace Prefix:	umh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Number of developed home sites.

No definition available.

Name:	umh_NumberOfDevelopedHomeSites
Namespace Prefix:	umh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of property sites.

No definition available.

Name:	umh_NumberOfPropertySite
Namespace Prefix:	umh_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Percentage of average occupancy.

No definition available.

Name:	umh_PercentageOfAverageOccupancy
Namespace Prefix:	umh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	umh_SubsequentEventTextualAbstract
Namespace Prefix:	umh_
Data Type:	xbrli:stringItemType
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Period Type:	duration

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentMaturityDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

No definition available.

Name:	us-gaap_FederalHomeLoanBankAdvances
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

No definition available.

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

Description of the contractual payment terms of the loan receivable including whether principal and interest is payable at a level or varying amount over the life of the loan, the amount of any balloon payment required at maturity, and any prepayment penalties.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.5)

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014