Interest rate description.

No definition available.

Name:	UMH_InterestRateDescriptions
Namespace Prefix:	UMH_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Interest rate on mortgage that was paid off.

+ References

No definition available.

+ Details

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

- Definition

Loans Payable includes unamortized debt issuance costs.

+ References

No definition available.

+ Details

Name:	UMH_LoansPayableIncludesUnamortizedDebtIssuanceCosts
Namespace Prefix:	UMH_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Outstanding on margin loan.

+ References

No definition available.

+ Details

Name:	UMH_OutstandingOnMarginLoan
Namespace Prefix:	UMH_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage of margin loan interest rate.

+ References

No definition available.

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

- Definition

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

+ References

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

+ Details

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

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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

- Definition

Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: 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))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=UMH_WellsFargoOnWaterfallsVillageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=UMH_WellsFargoOnValleyHillsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=UMH_OceanFirstBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Loans and Mortgages Payable (Details Narrative) - USD ($)	May 02, 2016	Jan. 07, 2016	Sep. 30, 2016	Dec. 31, 2015
Mortgage loan			$ 285,020,565	$ 283,049,802
Maturity Date	Jun. 01, 2026
Amortization of principal repayments term	30 years
Interest rate on mortgage that was paid off	6.66%
Weighted average interest rate			3.40%	3.80%
Loans Payable includes unamortized debt issuance costs			$ 76,902	$ 124,297
Outstanding on margin loan			$ 16,533,268
Percentage of margin loan interest rate			2.00%
Wells Fargo On Waterfalls Village [Member]
Mortgage loan	$ 4,760,000
Interest rate on mortgage	4.38%
Wells Fargo On Valley Hills [Member]
Mortgage loan	$ 3,498,000
Interest rate on mortgage	4.32%
Ocean First Bank [Member]
Mortgage loan		$ 7,200,000
Interest rate on mortgage		4.30%
Maturity Date		Jan. 07, 2026
Interest rate description		members plus 2.5%.