Future Rental Revenues (Tables)

12 Months Ended

Dec. 31, 2013

Operating Leases, Future Minimum Payments Receivable [Abstract]

Minimum Lease Payments Receivable, Excluding Tenant Reimbursements of Expenses, under Non-cancelable Operating Leases

Minimum lease payments receivable, excluding tenant reimbursements of expenses, under non-cancelable operating leases in effect as of December 31, 2013 are approximately as follows:

2014	$	212,995
2015	186,527
2016	150,716
2017	121,437
2018	92,209
Thereafter	254,896
Total	$	1,018,780