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The percentage of ownership of common stock, less than ten percent in the investee accounted for under the cost method of accounting.

+ References

No definition available.

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- Definition

Represents the maximum period within which sale of property is expected to be completed.

+ References

No definition available.

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- Definition

Represents the percentage of annual taxable income which must be distributed to stockholders in order to comply with requirements of the federal tax law for treatment as a real estate investment trust.

+ References

No definition available.

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- Definition

Fair value of the assets acquired, the liabilities assumed, and any noncontrolling interests are recognized when an acquisition is of less than this percentage of interest and the acquisition constitutes a change in control of the acquired entity.

+ References

No definition available.

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- Definition

The entity generally distributes this percentage or more of its taxable income.

+ References

No definition available.

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- Definition

Amount of increase (decrease) in the allowance for doubtful accounts.

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No definition available.

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- Definition

Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32672-109319

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Income Tax Expense (or Benefit)

-URI http://asc.fasb.org/extlink&oid=6515339

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph h

-Subparagraph 1

-Article 4

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- Definition

Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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No definition available.

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Basis of presentation (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
Basis of presentation (Details) (USD $)	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Basis of presentation
Maximum expected period of sale of property (in years)			1 year
Cost method investment ownership percentage	10.00%		10.00%		10.00%
The Company generally distributes this percentage or more of its taxable income			100.00%
Minimum percentage of taxable income to be distributed			100.00%
Provision for federal income taxes			$ 0
Allowance for estimated losses			0		0
Interest income included in other income	$ 900,000	$ 1,000,000	$ 1,800,000	$ 2,300,000
Maximum
Basis of presentation
Percentage of ownership interest criteria	100.00%		100.00%
Land improvements
Property, plant and equipment depreciated on a straight-line basis using an estimated life
Estimated useful life			20 years
Buildings and building improvements \| Maximum
Property, plant and equipment depreciated on a straight-line basis using an estimated life
Estimated useful life			40 years