Operating Leases (Tables)

12 Months Ended

Dec. 31, 2011

Operating Leases [Abstract]

Minimum future annual rents

At December 31, 2011, minimum future annual rents to be received on the operating leases for the next five years and thereafter are as follows (dollars in thousands):

2012	$	454,695
2013		439,836
2014		422,577
2015		407,459
2016		392,067
Thereafter		3,105,365
Total	$	5,221,999