Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements used to Value Assets (Detail)

v2.4.0.8
Fair Value Measurements used to Value Assets (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Property, Plant and Equipment [Line Items]    
Long-Lived Asset Held for Sale, fair value $ 1,700 $ 1,700
Long-Lived Asset Held for Sale, Total Gains (Losses) 6,808 6,808
Significant Unobservable Inputs (Level 3)
   
Property, Plant and Equipment [Line Items]    
Long-Lived Asset Held for Sale, fair value $ 1,700 $ 1,700