XML 24 R52.htm IDEA: XBRL DOCUMENT v2.4.0.6
Deferred Charges and Other Assets, net: (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Dec. 31, 2011
Deferred Charges and Other Assets, net:      
Leasing $ 206,116   $ 281,340
Financing 37,044   40,638
Intangible assets:      
In-place lease values 114,265   121,320
Leasing commissions and legal costs 32,742   32,242
Other assets 200,723   198,596
Deferred charges and other assets, gross 590,890   674,136
Less accumulated amortization (181,323)   (190,373)
Deferred charges and other assets, net 409,567   483,763
Accumulated amortization for intangible assets 53,624   56,946
Amortization expense for intangible assets $ 9,652 $ 3,658