ServisFirst Bancshares, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Note 12 - Employee and Director Benefits (Details Textual)

v3.25.4

Note 12 - Employee and Director Benefits (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2014	Mar. 23, 2009
Share-Based Payment Arrangement, Expense	$ 3.0	$ 3.5	$ 3.6
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross	0	0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares	0
Postemployment Benefits, Period Expense	$ 2.5	$ 2.3	$ 2.1
Restricted Stock [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 5.4
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years 4 months 24 days
Performance Shares [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 1.5
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	3 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	3 years
Performance Shares [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life	0.00%
Performance Shares [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life	150.00%
The 2009 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized				5,550,000	2,550,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant	2,950,298

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The percentage of shares vested upon certain performance metrics under the share based payment arrangement.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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