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Future Minimum Lease Receipts (Tables)

3 Months Ended

Mar. 31, 2013

Operating Leases, Future Minimum Payments Receivable [Abstract]

Schedule Of Future Minimum Base Rentals On Non-Cancelable Office And Ground Operating Leases

Future minimum base rentals on our non-cancelable office and ground operating leases at March 31, 2013 were as follows (in thousands):

Three months ending March 31:
2014	$	356,059
2015	311,422
2016	261,774
2017	211,515
2018	167,815
Thereafter	428,541
Total future minimum base rentals	$	1,737,126

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Schedule of Future Minimum Base Rentals on Non Cancelable Office and Ground Operating Leases [Table Text Block].

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