Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Plans - Fair Value of Restricted Stock and SARs Vested (Detail)

v2.4.0.8
Stock-Based Compensation Plans - Fair Value of Restricted Stock and SARs Vested (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Restricted Stock [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fair value vested during the period $ 470 $ 961 $ 471
SARs [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fair value vested during the period $ 405 $ 818 $ 358