Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details 1)

v2.4.0.8
Fair Value Measurements (Details 1) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
9.0% Notes [Member]
   
Fair value and carrying value of fixed rate long-term debt    
Long-term Debt, Fair Value    $ 231,525
Long-term Debt, Carrying Value    208,923
7.0% Notes [Member]
   
Fair value and carrying value of fixed rate long-term debt    
Long-term Debt, Fair Value 222,000 222,000
Long-term Debt, Carrying Value 198,347 198,282
5.0% Notes [Member]
   
Fair value and carrying value of fixed rate long-term debt    
Long-term Debt, Fair Value 268,142  
Long-term Debt, Carrying Value 300,000  
Mortgage Notes [Member]
   
Fair value and carrying value of fixed rate long-term debt    
Long-term Debt, Fair Value 151,174 148,244
Long-term Debt, Carrying Value 141,373 137,791
Assumed Notes [Member]
   
Fair value and carrying value of fixed rate long-term debt    
Long-term Debt, Fair Value 9,150 10,592
Long-term Debt, Carrying Value 9,643 11,289
Other [Member]
   
Fair value and carrying value of fixed rate long-term debt    
Long-term Debt, Fair Value 4,875 4,971
Long-term Debt, Carrying Value $ 5,227 $ 5,341