XML 40 R22.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivatives (Tables)
6 Months Ended
Jun. 30, 2012
Derivatives [Abstract]  
Summary of interest rate swap contracts
                         
   

Beginning of Term

 

End of Term

  Weighted-Average
Notional Amount
Over Term
    Fixed Rate  

2012 Swap

  March 13, 2012   March 13, 2013   $ 78,000       1.085

2013 Swap

  March 13, 2013   March 13, 2014     51,000       2.181