Business acquisition purchase price allocation fair value debt adjustment.

No definition available.

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- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- 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

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- 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.

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- Definition

The effective interest rate at the end of the reporting period.

+ 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 210.5-02.19(b),22(b))

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

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

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- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585

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- Definition

The cash outflow for debt initially having maturity due after 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 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

+ References

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- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ 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 210.5-02.17)

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

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ 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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Article 5

-Subsection 19, 20, 22

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Note 9 - Notes and Mortgages Payable (Details) (USD $)	3 Months Ended	1 Months Ended	12 Months Ended	1 Months Ended
Note 9 - Notes and Mortgages Payable (Details) (USD $)	Mar. 31, 2015	Jan. 31, 2015	Dec. 31, 2014	Mar. 31, 2015
Note 9 - Notes and Mortgages Payable (Details) [Line Items]
Repayments of Unsecured Debt	$ 500,000,000us-gaap_RepaymentsOfUnsecuredDebt
Adjustments for New Accounting Principle, Early Adoption [Member] \| Notes Payable [Member]
Note 9 - Notes and Mortgages Payable (Details) [Line Items]
Unamortized Debt Issuance Expense	27,800,000		20,400,000	27,800,000
Adjustments for New Accounting Principle, Early Adoption [Member] \| Mortgages Payable [Member]
Note 9 - Notes and Mortgages Payable (Details) [Line Items]
Unamortized Debt Issuance Expense	3,800,000		3,900,000	3,800,000
Acquired [Member] \| Operating Properties [Member]
Note 9 - Notes and Mortgages Payable (Details) [Line Items]
Number of Real Estate Properties	34			34
Business Acquisition, Purchase Price Allocation, Fair Value Debt Adjustments	21,600,000
Operating Properties [Member] \| Mortgages [Member]
Note 9 - Notes and Mortgages Payable (Details) [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt	680,400,000			680,400,000
London Interbank Offered Rate (LIBOR) [Member] \| Term Loan [Member]
Note 9 - Notes and Mortgages Payable (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.95%
Term Loan [Member]
Note 9 - Notes and Mortgages Payable (Details) [Line Items]
Unsecured Debt		650,000,000
Debt Instrument, Basis Spread on Variable Rate			1.05%
Line of Credit Facility, Interest Rate at Period End		1.13%
Repayments of Long-term Debt		400,000,000
Senior Notes [Member]
Note 9 - Notes and Mortgages Payable (Details) [Line Items]
Unsecured Debt	350,000,000			350,000,000
Debt Instrument, Term				30 years
Debt Instrument, Interest Rate, Stated Percentage	4.25%		4.904%	4.25%
Proceeds from Issuance of Senior Long-term Debt				342,700,000
Repayments of Unsecured Debt	100,000,000
Mortgages [Member]
Note 9 - Notes and Mortgages Payable (Details) [Line Items]
Repayments of Long-term Debt	$ 49,400,000
Number of Real Estate Properties	5			5