Basis of Financial Statement Presentation and Summary of Significant Accounting Policies - Part Two (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2014
Class of Stock [Line Items]
Fair value of assets held for sale	$ 11.8
Cash proceeds from sale of property	14.7
Affiliated Entity [Member]
Class of Stock [Line Items]
Cash proceeds from sale of property	13.9
Gain on sale of Property	$ 2.3

Disposal Group, Including Discontinued Operation, Assets Sold in Period, Carrying Value

No definition available.

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- Details

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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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- Definition

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585

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