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Tenant Leases (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended |
|---|---|
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Mar. 31, 2013
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| Property Subject to or Available for Operating Lease [Line Items] | |
| April 1 through December 31, 2013 | 416,730 |
| 2014 | 507,435 |
| 2015 | 445,201 |
| 2016 | 395,707 |
| 2017 | 339,828 |
| 2018 and thereafter | 1,230,461 |
| Total | 3,335,362 |
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Tenant Leases [Member]
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| Property Subject to or Available for Operating Lease [Line Items] | |
| Operating leases with various expiration dates through year | Mar. 31, 2033 |
| X | ||||||||||
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- Definition
Date which lease or group of leases is set to expire, in CCYY-MM-DD format. No definition available.
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| X | ||||||||||
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- Definition
Future minimum rental payments in aggregate as of the balance sheet date under operating leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Future rental payments receivable within one year of the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Future rental payments receivable within the fifth year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Future rental payments receivable within the fourth year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Future rental payments receivable within the third year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Future rental payments receivable within the second year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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