Annual report pursuant to section 13 and 15(d)

Deferred Compensation Plan (Detail)

v2.4.0.8
Deferred Compensation Plan (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Deferred Compensation Plans Disclosure [Abstract]    
Minimum period of participation before distributions are made 5 years  
Cash surrender value due policyholders, amount $ 12,370 $ 11,207
Deferred compensation liability $ 19,056 $ 17,955