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Fair Value (Tables)
3 Months Ended
Mar. 31, 2013
Fair Value [Abstract]  
Fair Value and Carrying Value of Long-term Debt
At March 31, 2013 and December 31, 2012, the aggregate fair value and the carrying value of the Company's fixed rate long-term debt were as follows:

 
March 31, 2013
 
 
December 31, 2012
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fair Value
 
 
Carrying Value
 
 
Fair Value
 
 
Carrying Value
 
 
 
 
 
 
 
 
 
 
 
 
 
Fixed rate long-term debt
 
$
20,155,000
 
 
$
20,324,000
 
 
$
22,425,000
 
 
$
22,608,000