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

Note 5 - Loans - Loans Modified During Period (Details)

Note 5 - Loans - Loans Modified During Period (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Modifications, amount	$ 17,440	$ 11,705	$ 28,554	$ 16,643
Modifications, percentage of total loans	0.13%	0.09%	0.21%	0.13%
Extended Maturity [Member]
Modifications, amount	$ 151	$ 350	$ 151	$ 2,852
Payment Deferral and Extended Maturity [Member]
Modifications, amount	16,794	11,355	27,908	13,690
New Loan [Member]
Modifications, amount	495	0	495	101
Commercial Real Estate Portfolio Segment [Member] \| Commercial, Financial, and Agricultural Loans [Member]
Modifications, amount	8,882	11,590	8,882	15,100
Total Payment Deferral	$ 466	$ 1,278	$ 466	$ 1,403
Modifications, percentage of total loans	0.07%	0.09%	0.07%	0.12%
Commercial Real Estate Portfolio Segment [Member] \| Commercial, Financial, and Agricultural Loans [Member] \| Minimum [Member]
Term Extensions (Month)	3 months	3 months	3 months	3 months
Commercial Real Estate Portfolio Segment [Member] \| Commercial, Financial, and Agricultural Loans [Member] \| Maximum [Member]
Term Extensions (Month)	5 months	95 months	5 months	95 months
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity [Member] \| Commercial, Financial, and Agricultural Loans [Member]
Modifications, amount	$ 151	$ 235	$ 151	$ 2,737
Commercial Real Estate Portfolio Segment [Member] \| Payment Deferral and Extended Maturity [Member] \| Commercial, Financial, and Agricultural Loans [Member]
Modifications, amount	8,236	11,355	8,236	12,363
Commercial Real Estate Portfolio Segment [Member] \| New Loan [Member] \| Commercial, Financial, and Agricultural Loans [Member]
Modifications, amount	495	0	495	0
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Modifications, amount	5,945	0	5,945	$ 0
Term Extensions (Month)				12 months
Total Payment Deferral	$ 339	$ 0	$ 339	$ 0
Modifications, percentage of total loans	0.04%	0.00%	0.04%	0.00%
Real Estate Portfolio Segment[Member] \| Construction Loans [Member] \| Minimum [Member]
Term Extensions (Month)	4 months		4 months
Real Estate Portfolio Segment[Member] \| Construction Loans [Member] \| Maximum [Member]
Term Extensions (Month)	5 months		5 months
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Modifications, amount	$ 2,211	$ 0	$ 13,325	$ 1,155
Term Extensions (Month)	4 months
Total Payment Deferral	$ 100	$ 0	$ 232	$ 16
Modifications, percentage of total loans	0.02%	0.00%	0.10%	0.01%
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member] \| Minimum [Member]
Term Extensions (Month)		4 months	4 months	60 months
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member] \| Maximum [Member]
Term Extensions (Month)		5 months	8 months	60 months
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Modifications, amount	$ 402	$ 115	$ 402	$ 388
Term Extensions (Month)	4 months	6 months	4 months
Total Payment Deferral	$ 17	$ 0	$ 17	$ 2
Modifications, percentage of total loans	0.00%	0.00%	0.00%	0.00%
Real Estate Portfolio Segment[Member] \| One to Four Family [Member] \| Minimum [Member]
Term Extensions (Month)				3 months
Real Estate Portfolio Segment[Member] \| One to Four Family [Member] \| Maximum [Member]
Term Extensions (Month)				121 months
Real Estate Portfolio Segment[Member] \| Non-owner Occupied Commercial [Member]
Modifications, amount	$ 0	$ 0	$ 0	$ 0
Term Extensions (Month)				11 months
Total Payment Deferral	$ 0	$ 0	$ 0	$ 0
Modifications, percentage of total loans	0.00%	0.00%	0.00%	0.00%
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Construction Loans [Member]
Modifications, amount	$ 0	$ 0	$ 0	$ 0
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Owner Occupied Commercial [Member]
Modifications, amount	0	0	0	0
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| One to Four Family [Member]
Modifications, amount	0	115	0	115
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Non-owner Occupied Commercial [Member]
Modifications, amount	0	0	0	0
Real Estate Portfolio Segment[Member] \| Payment Deferral and Extended Maturity [Member] \| Owner Occupied Commercial [Member] \| Maximum [Member]
Modifications, amount	2,211	0	13,325	1,155
Real Estate Portfolio Segment[Member] \| Payment Deferral and Extended Maturity [Member] \| One to Four Family [Member]
Modifications, amount	402	0	402	172
Real Estate Portfolio Segment[Member] \| Payment Deferral and Extended Maturity [Member] \| Non-owner Occupied Commercial [Member]
Modifications, amount	0	0	0	0
Real Estate Portfolio Segment[Member] \| New Loan [Member] \| Owner Occupied Commercial [Member]
Modifications, amount	0	0	0	0
Real Estate Portfolio Segment[Member] \| New Loan [Member] \| One to Four Family [Member]
Modifications, amount	0	0	0	101
Real Estate Portfolio Segment[Member] \| New Loan [Member] \| Non-owner Occupied Commercial [Member]
Modifications, amount	$ 0	$ 0	$ 0	$ 0