Annual report pursuant to Section 13 and 15(d)

Long-Term Incentive Plans - Summary of Stock Option Activity (Detail)

v2.4.0.8
Long-Term Incentive Plans - Summary of Stock Option Activity (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Options outstanding, beginning balance 32,900
Options, granted   
Options, exercised (2,900)
Options, forfeited or expired (10,000)
Options outstanding, ending balance 20,000
Options Vested 20,000
Options Exercisable 20,000
Weighted average exercise price, outstanding beginning balance $ 19.83
Weighted average exercise price, granted   
Weighted average exercise price, exercised $ 16.69
Weighted average exercise price, forfeited or expired $ 16.69
Weighted average exercise price, outstanding ending balance $ 21.85
Weighted average exercise price, vested $ 21.85
Weighted average exercise price, exercisable $ 21.85
Weighted average remaining contractual term, outstanding 10 months 24 days
Weighted average remaining contractual term, vested 10 months 24 days
Weighted average remaining contractual term, exercisable 10 months 24 days
Aggregate intrinsic value, outstanding $ 27
Aggregate intrinsic value, vested 27
Aggregate intrinsic value, exercisable $ 27