Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details 1)

v2.4.0.6
Fair Value Measurements (Details 1) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 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 $ 231,525
Long-term Debt, Carrying Value 208,963 208,923
7.0% Notes [Member]
   
Fair value and carrying value of fixed rate long-term debt    
Long-term Debt, Fair Value 222,500 222,000
Long-term Debt, Carrying Value 198,314 198,282
Mortgage Notes [Member]
   
Fair value and carrying value of fixed rate long-term debt    
Long-term Debt, Fair Value 148,973 148,244
Long-term Debt, Carrying Value 136,328 137,791
Assumed Notes [Member]
   
Fair value and carrying value of fixed rate long-term debt    
Long-term Debt, Fair Value 9,877 10,592
Long-term Debt, Carrying Value 10,469 11,289
Other [Member]
   
Fair value and carrying value of fixed rate long-term debt    
Long-term Debt, Fair Value 4,923 4,971
Long-term Debt, Carrying Value $ 5,284 $ 5,341