Annual report pursuant to Section 13 and 15(d)

Employee Benefits (Details 2)

v2.4.0.6
Employee Benefits (Details 2) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Summarizes the stock option activity      
Beginning Authorization 422,750 324,776 216,180
Weighted Average Exercise Price, Outstanding beginning balance $ 17.70 $ 19.38 $ 21.03
Number of Stock Options, Exercisable, beginning balance 184,985 183,544 187,224
Weighted Average Exercise Price, Options exercisable, beginning balance $ 22.28 $ 20.90 $ 20.24
Number of Stock Options, Granted 131,657 134,046 130,000
Weighted Average Exercise Price, Granted $ 14.40 $ 12.11 $ 16.40
Number of Stock Options, Exercised (2,376) (29,625) (7,016)
Weighted Average Exercise Price, Exercised $ 12.11 $ 10.21 $ 8.66
Number of Stock Options, Forfeited (51,453) (6,447) (14,388)
Weighted Average Exercise Price, Forfeited $ 17.11 $ 17.22 $ 20.52
Remaining available for grant 500,578 422,750 324,776
Weighted Average Exercise Price, Outstanding ending balance $ 16.92 $ 17.70 $ 19.38
Number of Stock Options, Exercisable, ending balance 218,825 184,985 183,544
Weighted Average Exercise Price, Options exercisable, ending balance $ 20.59 $ 22.28 $ 20.90