Annual report pursuant to Section 13 and 15(d)

Fair Value Disclosures (Details)

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Fair Value Disclosures (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Summary of long lived real estate assets      
Impairments $ 987 $ 2,009 $ 15,324
Real Estate [Member] | Level 3 [Member]
     
Summary of long lived real estate assets      
Adjusted Basis of Long-Lived Real Estate Assets 6,226 [1],[2] 12,013 [1],[2]  
Impairments 987 2,009  
Initial Basis of Long-Lived Real Estate Assets $ 7,213 $ 14,022  
[1] The carrying values for these real-estate assets may have subsequently increased or decreased from the fair value reported due to activities that have occurred since the measurement date.
[2] The fair values in the table above represent only those real estate assets whose carrying values were adjusted in the respective period.