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Mortgage and Other Indebtedness, Net (Summary of Compliance With Key Covenant Ratios of Credit Facilities and Term Loans) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Jun. 30, 2017
--- | --- | ---
Unsecured term loans |  |
Debt Instrument [Line Items] |  |
Total unsecured debt rate | 60.00% | 62.50%
Unsecured Term Loan 2 |  |
Debt Instrument [Line Items] |  |
Line of credit facility, remaining borrowing capacity | $ 329,190 |
Line of credit, current borrowing capacity | $ 690,840 |
Required | Unsecured Credit Facility and Term Loan |  |
Debt Instrument [Line Items] |  |
Debt to total asset value | 60.00% |
Unsecured indebtedness to unencumbered asset value | 60.00% |
Unencumbered NOI to unsecured interest expense | 175.00% |
EBITDA to fixed charges (debt service) | 150.00% |
Actual | Unsecured Credit Facility and Term Loan |  |
Debt Instrument [Line Items] |  |
Debt to total asset value | 49.00% |
Unsecured indebtedness to unencumbered asset value | 46.00% |
Unencumbered NOI to unsecured interest expense | 330.00% |
EBITDA to fixed charges (debt service) | 250.00% |

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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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