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

Note 5 - Loans - Financing Receivable, Modified (Details)

Note 5 - Loans - Financing Receivable, Modified (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Modifications, amount		$ 1,473	$ 494	$ 16,856	$ 11,599
Modifications, percentage of total loans		0.01%	0.00%	0.11%	0.08%
Extended Maturity [Member]
Modifications, amount		$ 0	$ 494	$ 3,463	$ 494
Payment Deferral [Member]
Modifications, amount		1,473	0	12,340	11,105
New Loan [Member]
Modifications, amount		0	0	1,053	0
Commercial Real Estate Portfolio Segment [Member] \| Commercial, Financial, and Agricultural Loans [Member]
Modifications, amount		$ 0	494	10,651	494
Total Payment Deferral			$ 0	$ 116	$ 0
Modifications, percentage of total loans		0.00%	0.00%	0.07%	0.00%
Term Extensions (Month)			3 months		3 months
Commercial Real Estate Portfolio Segment [Member] \| Commercial, Financial, and Agricultural Loans [Member] \| Maximum [Member]
Term Extensions (Month)				12 months
Commercial Real Estate Portfolio Segment [Member] \| Commercial, Financial, and Agricultural Loans [Member] \| Minimum [Member]
Term Extensions (Month)				4 months
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity [Member] \| Commercial, Financial, and Agricultural Loans [Member]
Modifications, amount		$ 0	$ 494	$ 3,288	$ 494
Commercial Real Estate Portfolio Segment [Member] \| Payment Deferral [Member] \| Commercial, Financial, and Agricultural Loans [Member]
Modifications, amount		0	0	7,363	0
Total Payment Deferral		0
Commercial Real Estate Portfolio Segment [Member] \| New Loan [Member] \| Commercial, Financial, and Agricultural Loans [Member]
Modifications, amount		0	0	0	0
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Modifications, amount		$ 0	0	945	0
Total Payment Deferral			$ 0	$ 25	$ 0
Modifications, percentage of total loans		0.00%	0.00%	0.01%	0.00%
Term Extensions (Month)				4 months
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Modifications, amount		$ 1,415	$ 0	$ 3,572	$ 11,105
Total Payment Deferral			$ 0	$ 168	$ 132
Modifications, percentage of total loans		0.01%	0.00%	0.02%	0.08%
Term Extensions (Month)					3 months
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member] \| Maximum [Member]
Term Extensions (Month)	6 months
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member] \| Minimum [Member]
Term Extensions (Month)				4 months
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Modifications, amount		$ 58	$ 0	$ 635	$ 0
Total Payment Deferral			$ 0	$ 17	$ 0
Modifications, percentage of total loans		0.00%	0.00%	0.00%	0.00%
Real Estate Portfolio Segment[Member] \| One to Four Family [Member] \| Maximum [Member]
Term Extensions (Month)	7 months
Real Estate Portfolio Segment[Member] \| One to Four Family [Member] \| Minimum [Member]
Term Extensions (Month)				3 months
Real Estate Portfolio Segment[Member] \| Non-owner Occupied Commercial [Member]
Modifications, amount		$ 0	$ 0	$ 1,053	$ 0
Total Payment Deferral			$ 0	$ 0	$ 0
Modifications, percentage of total loans		0.00%	0.00%	0.01%	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
Term Extensions (Month)		6 months
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| One to Four Family [Member]
Modifications, amount		$ 0	0	175	0
Term Extensions (Month)		3 months
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 [Member] \| Construction Loans [Member]
Modifications, amount			0	945	0
Total Payment Deferral		0
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Owner Occupied Commercial [Member]
Modifications, amount			0	3,572	11,105
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Owner Occupied Commercial [Member] \| Maximum [Member]
Modifications, amount		1,415
Total Payment Deferral		68
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| One to Four Family [Member]
Modifications, amount		58	0	460	0
Total Payment Deferral		0
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Non-owner Occupied Commercial [Member]
Modifications, amount		0	0	0	0
Total Payment Deferral		0
Real Estate Portfolio Segment[Member] \| New Loan [Member] \| Construction Loans [Member]
Modifications, amount			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	0
Real Estate Portfolio Segment[Member] \| New Loan [Member] \| Non-owner Occupied Commercial [Member]
Modifications, amount		$ 0	$ 0	$ 1,053	$ 0