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
 6 Months Ended
Jun. 30, 2013
Jun. 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 36,500
Shares, Exercised (43,000) (52,136)
Shares, Forfeited 0  
Shares, Outstanding at end of year 798,500 1,058,164
Shares, Ending Exercisable 447,995 434,706
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 $ 11.00
Weighted Average Exercise Price, Forfeited $ 0  
Weighted Average Exercise Price, Outstanding at end of year $ 21.60 $ 19.11
Weighted Average Exercise Price, Ending Exercisable $ 14.10 $ 13.31
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 8 months 12 days 9 years 8 months 12 days
Weighted Average Remaining Contractual Term (years), Exercised 3 years 1 month 6 days 3 years 7 months 6 days
Weighted Average Remaining Contractual Term (years), Forfeited 0 years  
Weighted Average Remaining Contractual Term (years), Outstanding at end of year 5 years 7 months 6 days 5 years 9 months 18 days
Weighted Average Remaining Contractual Term (years), Ending Exercisable 3 years 2 months 12 days 3 years 10 months 24 days
Aggregate Intrinsic Value, Outstanding at beginning of year $ 9,905 $ 12,508
Aggregate Intrinsic Value, Granted 0 0
Aggregate Intrinsic Value, Exercised 1,054 991
Aggregate Intrinsic Value, Forfeited 0  
Aggregate Intrinsic Value, Outstanding at end of year 15,893 11,527
Aggregate Intrinsic Value, Ending Exercisable $ 12,277 $ 7,257