XML 39 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Assets:    
Available-for-sale securities $ 250 $ 226
Liabilities:    
Derivative financial instruments 203 197
Fair Value Measurements, Level 1
   
Assets:    
Available-for-sale securities 250 226
Fair Value Measurements, Level 2
   
Liabilities:    
Derivative financial instruments $ 203 $ 197