Operating Leases (Tables)
12 Months Ended
Dec. 31, 2012
Leases [Abstract]  
Schedule of future minimum rental payments for operating leases
As of December 31, 2012, the future minimum rental income from the Company’s investment in real estate assets under non-cancelable operating leases, assuming no exercise of renewal options, as of December 31, 2012 and for the succeeding five fiscal years is as follows (in thousands):
Year ended December 31,
 
Future Minimum Rental Income
2013
 
$
252,027

2014
 
245,824

2015
 
238,691

2016
 
223,202

2017
 
206,679

Thereafter
 
1,314,685

Total
 
$
2,481,108