ServisFirst Bancshares, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Notes Tables
Notes Details

Note 7 - Employee and Director Benefits (Details Textual)

v3.25.3

Note 7 - Employee and Director Benefits (Details Textual) - USD ($)		3 Months Ended		9 Months Ended
	Dec. 31, 2014	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share-Based Payment Arrangement, Expense		$ 629,000	$ 1,000,000	$ 2,300,000	$ 2,800,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares		0		0
Restricted Stock [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 5,600,000		$ 5,600,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				2 years 4 months 24 days
Performance Shares [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 971,000,000,000		$ 971,000,000,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 6 months
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)				3 years
Performance Shares [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Vested Upon Certain Performance Metrics, Percentage				0.00%
Performance Shares [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Shares Vested Upon Certain Performance Metrics, Percentage				150.00%
The 2009 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized	5,550,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period	10 years

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