Fair Value Disclosures (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fixed-rate mortgage loans	$ 165,393	$ 166,706
Variable-rate mortgage loans	0	12,635
Construction loans	40,138	38,996
Exchangeable senior notes	96,758	0
Other Debt	2,694	3,375
Fair Value, Inputs, Level 1 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fixed-rate mortgage loans	0	0
Variable-rate mortgage loans	0	0
Construction loans	0	0
Exchangeable senior notes	0
Other Debt	0	0
Fair Value, Inputs, Level 2 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fixed-rate mortgage loans	161,379	172,228
Variable-rate mortgage loans	0	12,620
Construction loans	40,258	39,494
Exchangeable senior notes	98,547
Other Debt	2,671	2,684
Fair Value, Inputs, Level 3 [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fixed-rate mortgage loans	0	0
Variable-rate mortgage loans	0	0
Construction loans	0	0
Exchangeable senior notes	0
Other Debt	$ 0	$ 0

The amount of fixed rate mortgage loans recognized as of the balance sheet date.

No definition available.

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- Definition

The amount of variable rate mortgage loans recognized as of the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

This element represents the current and noncurrent portions of a long-term real estate loan with an initial maturity beyond one year or beyond the normal operating cycle, if longer, to finance building costs. The funds are disbursed as needed or in accordance with a prearranged plan; generally, a portion of the funds is disbursed at inception and the remainder as construction progresses. The money is repaid on completion of the project (generally one to seven years), usually from the proceeds of a mortgage loan. The rate is normally higher than the prime rate, and there is usually an origination fee. The effective yield on these loans tends to be high, and the lender has a security interest in the real property.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

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-Number 210

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

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-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.19,20,22)

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+ Details

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- Definition

Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ 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)

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 03

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-Article 9

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