Interest rate swap agreement interest rate.

No definition available.

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- Definition

Mortgage loans on real estate description of variable rate basis.

+ References

No definition available.

+ Details

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- Definition

Mortgage loans on real estate effective interest rate on investment.

+ References

No definition available.

+ Details

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Namespace Prefix:	fur_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Mortgage loans on real estate participation percentage.

+ References

No definition available.

+ Details

Name:	fur_MortgageLoansOnRealEstateParticipationPercentage
Namespace Prefix:	fur_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Mortgage loans on real estate reduced investment amount.

+ References

No definition available.

+ Details

Name:	fur_MortgageLoansOnRealEstateReducedInvestmentAmount
Namespace Prefix:	fur_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage of indirect interest acquired in property to become general partner.

+ References

No definition available.

+ Details

Name:	fur_PercentageOfIndirectInterestAcquiredInPropertyToBecomeGeneralPartner
Namespace Prefix:	fur_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Proceeds from closing of first mortgage loan.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Details

Name:	fur_SubsequentEventTextualAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Stated maturity date of the mortgage loan receivable on real estate, in CCYY-MM-DD format.

+ References

Reference 1: 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)

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

Reference 2: 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=6882300&loc=d3e5864-122674

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying amount of the outstanding balance due under the mortgage loan.

+ References

+ Details

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

- Definition

Amount of the contractual principal due at the origination of the mortgage loan (face amount).

+ References

+ Details

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

- Definition

The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans.

+ References

+ Details

Name:	us-gaap_MortgageLoansOnRealEstateInterestRate
Namespace Prefix:	us-gaap_
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Subsequent Events (Details) (USD $)		1 Months Ended		1 Months Ended
Subsequent Events (Details) (USD $)	Mar. 31, 2013 1515 Market Street [Member]	Apr. 30, 2013 Subsequent Event [Member] First Mortgage [Member]	Apr. 25, 2013 Subsequent Event [Member] First Mortgage [Member]	Apr. 30, 2013 Subsequent Event [Member] Original Mortgage [Member]	Apr. 25, 2013 Subsequent Event [Member] Original Mortgage [Member]	Apr. 25, 2013 Subsequent Event [Member] Original Mortgage [Member] 1515 Market Street [Member]
Subsequent Event (Textual) [Abstract]
Non-recourse mortgage loan			$ 43,000,000
Loan bears interest, description of variable rate basis		LIBOR plus 2.0%
Maturity date of loan		May 01, 2016
Mortgage loan, LIBOR rate		0.50%
Loan proceeds received		38,472,000
Original mortgage after the deduction of loan proceeds					33,157,000
Interest rate on mortgage loans				12.90%
Mortgage loans on real estate reduced investment amount					$ 21,098,000
Mortgage loans on real estate effective interest rate on investment				19.60%
Trust acquired equity	49.00%					49.00%
Percentage for participation						40.00%