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
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares, Outstanding at beginning of year 776,300 816,500
Shares, Granted 38,000 25,000
Shares, Exercised (174,800) (9,000)
Shares, Forfeited 0 0
Shares, Outstanding at end of year 639,500 832,500
Shares, Exercisable 243,744 458,995
Weighted Average Exercise Price, Outstanding at beginning of year $ 23.08 $ 20.87
Weighted Average Exercise Price, Granted $ 41.50 $ 33.00
Weighted Average Exercise Price, Exercised $ 15.62 $ 10.00
Weighted Average Exercise Price, Forfeited $ 0 $ 0
Weighted Average Exercise Price, Outstanding at end of year $ 26.21 $ 21.35
Weighted Average Exercise Price, Exercisable $ 15.99 $ 14.37
Weighted Average Remaining Contractual Term (years), Outstanding at beginning of year 5 years 6 months 5 years 9 months 18 days
Weighted Average Remaining Contractual Term (years), Granted 9 years 10 months 24 days 10 years
Weighted Average Remaining Contractual Term (years), Exercised 2 years 9 months 18 days 2 years 2 months 12 days
Weighted Average Remaining Contractual Term (years), Forfeited 0 years 0 years
Weighted Average Remaining Contractual Term (years), Outstanding at end of year 6 years 1 month 6 days 5 years 8 months 12 days
Weighted Average Remaining Contractual Term (years), Exercisable 3 years 4 months 24 days 3 years 6 months
Aggregate Intrinsic Value, Outstanding at beginning of year $ 14,300 $ 9,905
Aggregate Intrinsic Value, Granted 0 0
Aggregate Intrinsic Value, Exercised 4,523 207
Aggregate Intrinsic Value, Forfeited 0 0
Aggregate Intrinsic Value, Outstanding at end of year 9,777 9,698
Aggregate Intrinsic Value, Exercisable $ 6,217 $ 8,550