Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE AND DIRECTOR BENEFITS (Summary Of Stock Option Activity) (Detail)

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EMPLOYEE AND DIRECTOR BENEFITS (Summary Of Stock Option Activity) (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Outstanding at beginning of year 816,500 1,073,800
Shares, Granted 25,000 41,500
Shares, Exercised (43,000) (54,036)
Shares, Forfeited (3,000) (12,500)
Shares, Outstanding at end of year 795,500 1,048,764
Shares, Exercisable 517,744 443,589
Weighted Average Exercise Price, Outstanding at beginning of year $ 20.87 $ 18.33
Weighted Average Exercise Price, Granted $ 33.00 $ 30.00
Weighted Average Exercise Price, Exercised $ 14.42 $ 11.07
Weighted Average Exercise Price, Forfeited $ 20.00 $ 25.60
Weighted Average Exercise Price, Outstanding at end of year $ 21.60 $ 19.11
Weighted Average Exercise Price, Exercisable $ 15.30 $ 13.40
Weighted Average Remaining Contractual Term (years), Outstanding at beginning of year 5 years 9 months 18 days 6 years
Weighted Average Remaining Contractual Term (years), Granted 9 years 6 months 9 years 6 months
Weighted Average Remaining Contractual Term (years), Exercised 2 years 9 months 18 days 3 years 3 months 18 days
Weighted Average Remaining Contractual Term (years), Forfeited 4 years 2 months 12 days 5 years 7 months 6 days
Weighted Average Remaining Contractual Term (years), Outstanding at end of year 5 years 3 months 18 days 5 years 9 months 18 days
Weighted Average Remaining Contractual Term (years), Exercisable 3 years 1 month 6 days 3 years 8 months 12 days
Aggregate Intrinsic Value, Outstanding at beginning of year $ 9,905 $ 12,508
Aggregate Intrinsic Value, Exercised 1,054 1,023
Aggregate Intrinsic Value, Forfeited 65 55
Aggregate Intrinsic Value, Outstanding at end of year 15,828 11,440
Aggregate Intrinsic Value, Exercisable $ 13,563 $ 7,363