XML 46 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6

Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2011 M
Basis of Presentation
Ownership interest in subsidiaries (as a percent)	100.00%
Cash and Cash Equivalents and Other
Maximum original maturity period of highly liquid debt instruments to be considered as cash equivalents (in months)	3
Buildings and improvements
Real Estate Properties
Estimated useful lives (in years)	40
Personal property
Real Estate Properties
Estimated useful lives (in years)	12

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- Definition

Represents the maximum original maturity period of highly liquid debt instruments to be considered as cash equivalents.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of ownership held in the subsidiary either directly or indirectly.

+ References

No definition available.

+ Details

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- Definition

The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

+ References

No definition available.

+ Details

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