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Summary of Significant Accounting Policies (Details) | 12 Months Ended
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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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