Operating Leases (Tables)

12 Months Ended

Dec. 31, 2011

Leases [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

The following table summarizes the future obligations under non-cancelable operating leases as of December 31, 2011, (in thousands):

Year Ending December 31,		Amount
2012	$	7,917
2013		7,921
2014		7,226
2015		6,841
2016		6,325
Thereafter		105,208
Total	$	141,438

Schedule of Future Minimum Rental Payments to be Received for Operating Leases [Table Text Block]

Future minimum rents under non-cancelable operating leases as of December 31, 2011, excluding both tenant reimbursements of operating expenses and additional percentage rent based on tenants' sales volume, are as follows (in thousands):

Year Ending December 31,		Amount
2012	$	348,317
2013		312,298
2014		276,791
2015		241,593
2016		208,830
Thereafter		1,079,349
Total	$	2,467,178