XML 43 R86.htm IDEA: XBRL DOCUMENT v2.4.0.8
Impairment of Long-Lived Assets - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Indefinite-lived Intangible Assets [Line Items]  
Estimated aggregate fair value of long-lived assets impaired during current period $ 1,760