v2.4.0.8
Long-Term Debt - Additional Information (Detail) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Schedule Of Long Term Debt [Line Items]    
Carrying value, long term debt $ 27,186,000 $ 81,965,000
Fair value of long term debt including current maturities $ 27,200,000 $ 84,900,000