Mortgages and Other Indebtedness (Derivative Instruments) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Fair Value	$ (1,867)	$ (2,226)
Cash Flow Hedging \| Pay Fixed Receive Variable Swap One \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Notional Amount Outstanding	50,508
Amortized amount	48,337
Strike Rate (as a percent)	2.149%
Fair Value	(893)	(1,064)
Cash Flow Hedging \| Pay fixed receive variable swap Two \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Notional Amount Outstanding	31,630
Amortized amount	30,276
Strike Rate (as a percent)	2.187%
Fair Value	(571)	(681)
Cash Flow Hedging \| Pay fixed receive variable swap Three \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Notional Amount Outstanding	11,822
Amortized amount	11,313
Strike Rate (as a percent)	2.142%
Fair Value	(208)	(248)
Cash Flow Hedging \| Pay fixed receive variable swap Four \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Notional Amount Outstanding	10,532
Amortized amount	10,083
Strike Rate (as a percent)	2.236%
Fair Value	$ (195)	$ (233)

Aggregate amortized amount of all interest rate derivatives designated as hedging instruments in cash flow hedges. Amortized amount refers to the monetary amount or carrying amount reported in the financial statement at year at period end.

No definition available.

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- Definition

The percentage points added to the reference rate to compute the variable rate on the interest rate derivative.

+ References

No definition available.

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

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- Details

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- Definition

Fair value as of the balance sheet date of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13495-108611

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