Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Deferred Leasing Costs (Details)

v2.4.0.6
Summary of Significant Accounting Policies - Deferred Leasing Costs (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Accounting Policies [Abstract]      
Gross Carrying Value $ 39,159 $ 33,011  
Accumulated Amortization 16,348 12,511  
Net 22,811 20,500  
Amortization of deferred leasing costs $ 4,514 $ 4,530 $ 4,357