XML 41 R81.htm IDEA: XBRL DOCUMENT v2.4.0.6
FAIR VALUE OF FINANCIAL INSTRUMENTS (Nonrecurring) (Detail) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Fair Value, Adjustment Disclosure [Abstract]      
Assets Held And Used FairValue Disclosure Nonrecurring $ 4,800,000    
Impairment of assets $ 4,988,000 $ 0 $ 0