ServisFirst Bancshares, Inc. Annual report pursuant to Section 13 and 15(d)

EMPLOYEE AND DIRECTOR BENEFITS (Exercisable options) (Detail)

EMPLOYEE AND DIRECTOR BENEFITS (Exercisable options) (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Shares, Exercisable	591,418	1,161,732	1,238,475
Weighted Average Exercise Price, Exercisable	$ 7.75	$ 5.40	$ 4.68
Weighted Average Remaining Contractual Term (years)	4 years 1 month 6 days
Aggregate Intrinsic Value	$ 14,901	$ 9,797	$ 7,831
Exercise Price 3.33 [Member]
Shares, Exercisable	13,500
Weighted Average Exercise Price, Exercisable	$ 3.33
Weighted Average Remaining Contractual Term (years)	6 months
Aggregate Intrinsic Value	400
Exercise Price 3.67 [Member]
Shares, Exercisable	150,000
Weighted Average Exercise Price, Exercisable	$ 3.67
Weighted Average Remaining Contractual Term (years)	1 year 3 months 18 days
Aggregate Intrinsic Value	4,392
Exercise Price 5 [Member]
Shares, Exercisable	10,500
Weighted Average Exercise Price, Exercisable	$ 5.00
Weighted Average Remaining Contractual Term (years)	2 years 2 months 12 days
Aggregate Intrinsic Value	293
Exercise Price 6.67 [Member]
Shares, Exercisable	45,000
Weighted Average Exercise Price, Exercisable	$ 6.67
Weighted Average Remaining Contractual Term (years)	2 years 6 months
Aggregate Intrinsic Value	1,183
Exercise Price 8.33 [Member]
Shares, Exercisable	267,418
Weighted Average Exercise Price, Exercisable	$ 8.33
Weighted Average Remaining Contractual Term (years)	4 years 3 months 18 days
Aggregate Intrinsic Value	6,583
Exercise Price 11 [Member]
Shares, Exercisable	15,000
Weighted Average Exercise Price, Exercisable	$ 11.00
Weighted Average Remaining Contractual Term (years)	8 years 2 months 12 days
Aggregate Intrinsic Value	329
Exercise Price 13.83 [Member]
Shares, Exercisable	90,000
Weighted Average Exercise Price, Exercisable	$ 13.83
Weighted Average Remaining Contractual Term (years)	9 years
Aggregate Intrinsic Value	$ 1,721