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Unsecured Senior Notes Unsecured Senior Notes (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2015
Debt Instrument [Line Items] |
Maximum Secured Debt Leverage Ratio | 55.00%
Senior Notes [Member] |
Debt Instrument [Line Items] |
Maximum Leverage Ratio | 60.00%
Maximum Secured Debt Leverage Ratio | 50.00%
Minimum Interest Coverage Ratio | 1.50
Minimum Unencumbered Asset Value Percentage Of Unsecured Debt | 150.00%

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- Definition Maximum Leverage Ratio + References No definition available. + Details
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- Definition Maximum Secured Debt Leverage Ratio + References No definition available. + Details
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- Definition Minimum Interest Coverage Ratio + References No definition available. + Details
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- Definition Minimum Unencumbered Asset Value Percentage Of Unsecured Debt + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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