Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Additional Information (Detail)

v2.4.0.8
Employee Benefit Plans - Additional Information (Detail) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Employee Benefit Plans (Textual) [Abstract]      
Costs incurred for administering employee plan $ 182,500 $ 204,000 $ 172,000