ServisFirst Bancshares, Inc. Quarterly report pursuant to Section 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
	Mar. 31, 2024	Mar. 31, 2023
Percentage of total loans	0.15%	0.35%
Extended Maturity [Member]
Modified Amortized Cost	$ 18,379	$ 39,827
Payment Deferral [Member]
Modified Amortized Cost	0	1,060
Extended Maturity and Payment Deferral [Member]
Modified Amortized Cost	$ 18,379	$ 40,886
Commercial Real Estate Portfolio Segment [Member]
Percentage of total loans	0.05%	0.24%
Total payment deferral	$ 0	$ 0
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity [Member]
Modified Amortized Cost	5,568	28,335
Commercial Real Estate Portfolio Segment [Member] \| Payment Deferral [Member]
Modified Amortized Cost	0	0
Commercial Real Estate Portfolio Segment [Member] \| Extended Maturity and Payment Deferral [Member]
Modified Amortized Cost	$ 5,568	$ 28,335
Commercial Real Estate Portfolio Segment [Member] \| Minimum [Member]
Term extension (Year)	1 year	3 years
Commercial Real Estate Portfolio Segment [Member] \| Maximum [Member]
Term extension (Year)	6 years	12 years
Real Estate Portfolio Segment[Member] \| Construction Loans [Member]
Percentage of total loans	0.01%
Term extension (Year)	12 years	6 years
Total payment deferral	$ 0	$ 0
Real Estate Portfolio Segment[Member] \| Owner Occupied Commercial [Member]
Percentage of total loans	0.01%	0.01%
Term extension (Year)	12 years
Total payment deferral	$ 0	$ 49
Real Estate Portfolio Segment[Member] \| One to Four Family [Member]
Percentage of total loans	0.00%	0.00%
Term extension (Year)	12 years	3 years
Total payment deferral	$ 0	$ 0
Real Estate Portfolio Segment[Member] \| Other Mortgages [Member]
Percentage of total loans	0.08%	0.10%
Term extension (Year)	11 years
Total payment deferral	$ 0	$ 59
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Construction Loans [Member]
Modified Amortized Cost	973
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost	1,501	23
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| One to Four Family [Member]
Modified Amortized Cost	424	214
Real Estate Portfolio Segment[Member] \| Extended Maturity [Member] \| Other Mortgages [Member]
Modified Amortized Cost	9,913	11,254
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Construction Loans [Member]
Modified Amortized Cost	0
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost	0	701
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| One to Four Family [Member]
Modified Amortized Cost	0	0
Real Estate Portfolio Segment[Member] \| Payment Deferral [Member] \| Other Mortgages [Member]
Modified Amortized Cost	0	359
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Construction Loans [Member]
Modified Amortized Cost	973
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Owner Occupied Commercial [Member]
Modified Amortized Cost	1,501	724
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| One to Four Family [Member]
Modified Amortized Cost	424	214
Real Estate Portfolio Segment[Member] \| Extended Maturity and Payment Deferral [Member] \| Other Mortgages [Member]
Modified Amortized Cost	$ 9,913	$ 11,613
Real Estate Portfolio Segment[Member] \| Minimum [Member] \| Owner Occupied Commercial [Member]
Term extension (Year)		3 years
Real Estate Portfolio Segment[Member] \| Minimum [Member] \| Other Mortgages [Member]
Term extension (Year)		3 years
Real Estate Portfolio Segment[Member] \| Maximum [Member] \| Owner Occupied Commercial [Member]
Term extension (Year)		18 years
Real Estate Portfolio Segment[Member] \| Maximum [Member] \| Other Mortgages [Member]
Term extension (Year)		36 years