XML 39 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivative Financial Instruments (Tables)
 6 Months Ended
Jun. 30, 2012
Derivatives, Fair Value [Line Items]  
Interest Rate Derivatives Designated and Non Designated
                                                 

Maturity

   Strike Rate     Notional
Amount
of Hedge		     Cost of
Hedge		     Estimated Fair
Value of Cap in
Other
Comprehensive
Income		     Unrealized Gain
on Settled Cap in
Other
Comprehensive
Income		     Change in Cap
Valuations Included
in Other
Comprehensive
Income for the Six
Months Ended
June 30, 2012		  

Oct 2014

     1.00 %    $ 21,000     $ 174     $ (149 )    $ —       $ (60 ) 
                                                 
                             

Maturity

   Strike Rate   Notional
Amount of
Hedge		     Cost of Hedge     Estimated Fair
Value		  

May 2013

   1.25%   $ 51,982     $ 196     $ —    

May 2014

   1.75%     51,982       434       6