Commitments and Contingencies Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Operating Leases Future Minimum Payments Due [Table Text Block]

Ground Rent

Future minimum rental payments under the terms of all non-cancelable ground leases under which the Company is the lessee are expensed on a straight-line basis regardless of when payments are due. The Company’s ground leases have remaining lease terms ranging from 16 to 90 years. Minimum future rental payments on non-cancelable leases at March 31, 2013 are as follows (in thousands):

2013 (nine months remaining)	$	1,364
2014	1,818
2015	1,818
2016	1,909
2017	1,909
Thereafter	288,297