Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

v2.4.0.6
Commitments and Contingencies (Details Textual) (Ground Leases [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Leases
Mar. 31, 2012
Ground Leases [Member]
   
Commitments and Contingencies (Textual) [Abstract]    
Number of leases 3  
Expenses incurred for the properties listed $ 107 $ 106